THE ANALYST E. RICHARDS BOLTON F.I.C. A. CHASTON CHAPMAN F.I.C. F.R.S. CECIL H. CRIBB B.Sc. F.I.C. J. C. DRUMMOND D.Sc. F.I.C. J. T. DUNN D.SC. F.I.C. BERNARD DYER D.Sc. F.I.C. E. HINKS M.B.E. B.Sc. F.I.C. THE ORGAN OF THE E. B. HUGHES M.Sc. F.I.C. H. F. E. HULTON F.I.C. P. A. ELLIS RICHARDS F.I.C. W. H. SIMMONS B.Sc. F.I.C. E. W. VOELCKER A.R.S.M. F.I.C. J. AUGUSTUS VOELCKER M.A., PH.D. F.I.C. Society of Public Analysts and other Analytical Chemists D. G. HEWER B.Sc. A MONTHLY JOURNAL DEVOTED TO THE ADVANCEMENT OF ANALYTICAL CHEMISTRY P. H. PRICE B.Sc. Ebftor C. AINSWORTH MITCHELL &LA. F.I.C. VOL. L. 1925 PUBLISHED FOR THE SOCIETY BY W. HEFFER & SONS LTD. 4 PETTY CURY CAMBRIDGE ENGLAND '92 Errata in Vol. L. P. 174 line 4 from bottom for “ 22 ” read ‘ I 9.” P.317 line 1 of the paper for I ‘ 1921 ” read “ 1923.” P. 323 line 18 for “ 73” read “ 373.” P. 404 line 13 from bottom for “ 5 0 0 ” read “351.” INDEX T O VOLUME L. INDEX TO NAMES. A Adam A. T. Adams B. A. Adkins H. d’Ainville J. V. L’Origine Tourbillionaire de 1’Atome et ses ConsCquences (Review) 204. Alexander J. Colloid Chemistry (Review) 259. Allaire H. See Javillier M. Allaire H. and Groc M. Allan J. The composition of coconut oil (Notes) 16. Allan J. See Armstrong E. F. Allan J. and Moore C. W. Almy L. H. Method for the determination of hydrogen sulphide in proteinaceous food pro-ducts 349. Amberger K. and Bauch J. The glycerides of cacao butter 77. Ambler H. R. On the absorption of carbon monoxide.Part I. A critical comparison of some methods employed in gas analysis. Part 11. Advantages of using hot reagent, 167. Anderegg L. T. and Nelson V. E. Whole and skimmed milk powders as food. Observations on a new vitamin for reproduction 351. Anderson A. P. Howard A. and Simonsen J. L. Cause of lathyrism 576. Anderson E. Sands L. and Sturgis N. Some plant gums of the South Western United States 635. Andr8 E. Simple and rapid method for the determination of acetyl values of fats 302. Andre -E. and Guichard F. Murumuru an American palm-kernel fat 513. Armstrong E. F. (Committee with as Chair-man and Editor). Chemistry in the Twentieth Century. An Account of the Achievement and the Present State of Knowledge in Chemical Science (Review) 39.Armstrong E. F. and Hilditch T. P. Con-stitution of natural unsaturated fatty acids, Part 11. Some acids present in a South Georgian whale oil 303. Armstrong E. F. Allan J. and Moore C. W. The fatty acid constituents of some natural fats. I . The oils from the coconut 191 Wire Drawing and the Cold Work-Effect of air pollution on water, ing of Steel (Review) 644. 353. See Bischof F. and Adkins H. Armstrong E. F. Allan J. and Moore C. W. The fatty acid constituen.ts of some natural fats. 11. Palm kernel oil 244. Arnaud F. W. County of Kent. Report of the County Analyst for the Fourth quarter 1924, 287. Arnaud F. W. F. County of Kent 400. Astruc A. and Canals E. Rotary dialyser 476. Atack F. W. The Chemists’ Year Book 1926 (Review) 42 1.Atkinson H. The volumetric determination of soluble sulphates by means of barium chloride and potassium stearate 590. Aub J. C. Reznikoff P. and Smith D. E. Effect of lead on blood cells 83. Austin P. C. Lithium arc spectrum for polari-metric use 476. . Azadian A. Lemon juice 626. B Bailey L. H. “ Neutralising value ” of mono-calcium phosphate in baking powders 408. Bailey L. H. See Hertwig R. and Bailey L. H. Bailly 0. Determination of adrenaline in suprarenal powders by an application of the Denigks-Grimbert-Leclhre reaction 78. Baly E. C. C. Spectroscopy. Vol. I. (Review), 157. Banham H. A. L. Haldane J S and Savage T. Post-mortem presence of nitric oxide haemo-globin. Its medico-legal significance 520. Bardach B. Unusual crystalline forms of calcium oxalate in urine deposits 468.Bardet J. and Toussaint C. Separation of celtium (hafnium) from zirconium 419. Barrows W. P. See Jordan L. and Barrows w. P. Barthe -. Identification of egg yolk stains, 522. Bartlett C. L. See Mills R. G. Bartlett C. L., and Kessel J. F. Bsssettt H. The Theory of Quantitative Analysis and its PracticalApplication (Review), 309. Bauch J. See Amberger K. and Bauch 3. Baudisch O. and Welo L. A. Ageing of natural Baudisch 0. See Welo L. A. and Baudisch 0. mineral waters 516 iv INDEX TO Bayle E. and Fabre R. Fluorescence as a criterion of purity in organic compounds 256. Bayliss W. M. The Nature of Enzyme Action. (Monographs on Biochemistry edited by Dr. R. H. A. Plimmer and Sir F. G. Hopkins), (Review) 479.Beale J. F. See Thresh J . C. and Beale J. F. Bell R. W. Effect of heat on the solubility of the calcium and phosphorus compounds in milk 466. Benedict F. G. and Fox E. L. The oxy-calorimeter for the determination of the energy values of fuels foods etc. 640. Benedict S. R. Determination of blood sugar, 414. Benedict S. R. Determination of uric acid in the blood 415. Benesch E. Determination of the copper number of cellulose 149. Benesch E. Fused bisulphate as a medium for high temperature baths 419. Bennett H. B. Modified dichromate method for the determination of glycerol 33. Bernhardt H. Determination of minute quanti-ties of lead in organs. Alteration of dilute lead nitrate solutions 574. Bertolo P. Detection of A tractylis gummifera in liquorice extract 193.Bertolo P. Reactions of glycyrrhizin 514. Bertozzi M. Bertrand G. Determination of manganese in agricultural soils 85. Bertrand G. and Macheboeuf M. Nickel and cobalt in the animal kingdom 512. Bertrand G. and Mokragnatz M. Nickel and cobalt in arable land 84. Bertrand G. and Mokragnatz M. Nickel and cobalt in vegetable products 348. Bezssonoff N. The Jendrassik reaction for water-soluble vitamin B. 517. Bills C. E. Resistance of the antirachitic sub-stance in cod liver oil to reagents 410. Biltz H. Analysis of white metal 473. Binder I(. Potassium tripyrocatechol ferrate as indicator in acidimetry and alkalimetry, 305. Birtwell C. Clibbens D. A, and Ridge B. P. Value and interpretation of tests for oxycellu-lose and for the oxidising attack of cotton 150.Bischof F. and Adkins H. Organic reactions at the surface of titania. Adsorption of certain gases by titania 253. Black A. See Steenbock H. Nelson M. T. and Black A. Boedtker E. Boeseken J. The Configuration of the Sac-charides (Review) 366. Bokorny T. Measurement of chemical action in micro-organisms especially in yeast 195. Bonnet A. See Meunier L. and Bonnet A. Bordas FranGois-Dainville and Roussel -. Elimination of benzoic acid and benzoates from the system 567. Bornet L. Colour reactions of cryogenine with the heavy metals 34. See Bozza G. and Bertozzi M. Lecithin in facts 513. VOLUME L. Borntrager A. Detection of small quantities of lactic acid in fruit juices 563. Borsook H. and Wasteneys H.Enzymatic synthesis of protein. IV. Effect of con-centration on peptic synthesis 350. Borsook H. See Wasteneys H. and Borsook, H. Biische H. Detection of traces of manganese in iron alloys 359. Bozza G. and Bertozzi M. Peroxidised lead anodes 154. Brand E. See Sandberg M. and Brand E. Brekenfeld -. Anaerobic bacteria in meat foods and their connection with gastro-intestinal disturbances 80. Bridel M. Two new enzymes present in the emulsion of almonds 628. Brinton P. H. M. P. See Stoppel A. E., Sidener R. M. and Brinton P. H. M. P. Britton H. T. S. An electrometric study of the separation of the iodide bromide and chloride of silver 601. Brown R. J. Effect of some inorganic salts on the polarisation of sugar solutions 143. Browne C.A. Spontaneous decomposition of butter fat 144. Bruere P. Rapid colorimetric testing of flour, 294. Bunbury H. M. The Destructive Distillation of Wood (Review) 159. Burgess H. E. Dyeing property of tomatoes (Notes) 131. Butironi V. C. Determination of sulphur in mixtures of raw or vulcanised rubber 87. Biittgenbach E. Electrolytic determination of Cadmium 252. C Calcott W. S. English F. L, and Wilbur 0. C. Analysis of acetic anhydride 634. Calderwood H. N. Solubility of various wood tars in water 357. Callan T. Detection and determination of small amounts of a-naphthol in p-naphthol, 250. Canals E. Candy H. C. H. See Luff A. P. and Candy, H. C. H. Canneri G. and Fernandes L. Separation of rare earths from uranium. Alkali uranyl-salicylates 35.Cantoni 0. Determination of alkalis in silicates, 581. Cmb M. H. Relation of pectose and pectin in apple tissue 464. Carrick C. W. See Hauge S. M. and Carrick c. w. Cattelain E. Constitution and chemical pro-perties of the alkaloids of the Calabar Bean 193. Caulkin H. A. Bellier’s modified test for arachis oil (Notes) 285. Cerasoli E. Copper sulphates in agriculture 84. See Astruc A. and Canals E INDEX TO VOLUME L. V Chamberlin D. S. and Newitt D. M. Apparatus for the accurate analysis of small quantities of gas 475. Chapin R. M. Test for comparing detergent efficiencies of soaps 355. Chapman A. C. Determination of hard and soft resins in hops 144. Chelle J. L. Benzoic and salicylic acids in wines 614. Chkramy P. See Maheu J.and Chkramy P. Chertmy P. Colorimetric determination of solutions of novocaine 78. Christensen L. M. and Fulmer E. I. Ad-justment of PH of culture media under sterile conditions 630. Christiansen J. A. Burette for micro analysis of gas 153. Christie G. H. and Menzies R. C. Application of thallium compounds in organic chemistry : Titrations 634. Clark E. Application of sodium hyposulphite (hydrophosphite) in organic analysis 199. Clark E. D. See Fellers C. R. Shostrom, 0. E. and Clark E. D. Clark P. B. See Dill B. D. and Clark P. B. Clibbens D. A. See Birtwell C. Clibbens D. A., and Ridge B. P. Clifford W. M. Effect of halogen salts on salivary digestion 466. Conant J. B. and Fieser L. F. Method for determining methaemoglobin in the presence of its cleavage products 196.Cook D. H. Temperature coefficients of enzymic activity and heat destruction of pancreatic and malt amylases 569. Cooksey T New South Wales Department of Public Health. Annual Report of the Government Analyst for the Year 1923 73. Cooper S. R. See Nichols M. L. and Cooper, S. R. Copeman S. M. Water-cress and body meta-bolism 568. Couch J. F. Gramt’s test for sparteine 144. Cox D. C. Differential electro-titration 58 1. Cox H. E. On certain new methods for the determination of small quantities of arsenic and its occurrence in urine and in flesh 3. Cram E. B. See Hall M. C. and Cram E. B. Cranfield H. T. A case of prussic acid poisoning with linseed cake meal (Notes). 18. Cranfield H. T. See Willcox J:-S. and Cran-field H.T. Cribb C. H. and Still A. L. Zinc in tinned and bottled peas (Notes) 286. Cribb C. H. and Still A. L. Zinc in tinned and coppered peas (Notes) 395. Croland J. Rapid methods for the analysis of paper 357. Cross R. B. Ministry of Health. Circular 553. Sale of Foods and Drugs Acts etc., 25. Crowther E. M. and Martin W. S. Volumetric determination of total carbonic acid in dilute solutions of calcium hydrogen carbonate or in hard waters 32. Curie P. Determination of radium in minerals containing tantalum niobium and titanium, 152. Curtis A. L. p t h o d of testing the I ‘ permea-bility-to-gas of sands 638. Cushny A. R. The Action and Uses in Medicine of Digitalis and its Allies (Review) 533. D Dachnowski A. P. Examination of peat by the methods of foodstuffs analysis 304.Daniels A. L. and Hutton M. K. Mineral deficiencies of milk as shown by growth and fertility of white rats 246. Davidsohn J. Determination of colophony 356. Dawe A. See Simpkins N. and Dawe A. Deneke H. See Krauss F. and Deneke H. DenigBs G. Identification of cystine by a colour reaction 567. DenigBs G. New method for the immediate detection and determination of cobalt by spectroscopy and chromoscopy 419. Denig Bs G. Rapid microchemical identification of novocaine 193. DenigBs G. The alloxantin reaction for ferric iron 199. Dennis L. M. See Johnson E. B. and Dennis, L. M. Desgrez A. and Vivario R. Determination of carbon in organic substances 249. Desvergnes L. Detection of amino-nitro-phenols in urine 197.DesveFgnes L. Detection of organic cyanides in Alliols,” 348. Desvergnes L. Gravimetric determination of picric acid in a mixture of picric acid and trinitrometacresol 250. Deuss J. J. B. Dickson W. The quantitative determination of cotton linen and wood fibres in paper pulp, 317. Dietzel R. and Taiifel K Application of ultra-violet spectroscopy to food chemistry 308. Dill D. B. and Clark P. B. Indole content of canned crustacea 413. Ditmar R. Viscometry of highly viscous fluids (rubber solutions) 527. Domogalla B. P. Juday C. and Peterson W. H. Forms of nitrogen found in certain lake waters, 301. Domogalla B. P. See Peterson W. H. Fred, E. B. and Domogalla B. P. DOW 0. D. Drakeley T. J. and Nicol H. Absorption of oxygen by alkaline pyrogallol solutions 636.Drakeley T. J. and Nicol H. The absorption of oxygen and liberation of carbon monoxide by alkaline pyrogallol solutions 578. Drost J. The chlorine-lactose ratio and deter-mination of chlorine in milk 624. Drummond J. C. The absorption of copper during the digestion of vegetables artificially coloured with copper salts 481. Quercitin in tea leaves 348. See Supplee G. C. and Dow 0. D V i INDEX TO Dubaquie J. Determination of benzoic acid in wine 295. Dunnicliff H. B. The determination of sul-phates in guncotton 543. Du Vigneaud V. See Marvel C. S. and Du Vigneaud V. E Eckstein H. C. Fatty acids in human sub-Elliott G. Iron in tragacanth 192. Ellison L. R. See Richmond H. D. and Ellison L. R. Elsdon G. D.County Borough of Salford. Annual Report of the Borough Analyst for 1924 607. Elsdon G. D. Lemon cheese 230. Elsdon G. D. The composition of lemon cheese (Notes) 499. Elsdon G. D. and Smith P. The determination of coconut oil and butter fat in margarine 53. Emich F. Mikrochemisches Praktikum (Re-view) 41. Englis D. T. and Hale C. Occurrence of Free pentoses in plants. Effect of extraction of the sugars with ammoniacal alcohol 199. English F. L. See Calcott W. S. English F. L. and Wilbur 0. C. Erdmann W. See Sabalitschka T. and Erd-mann W. Escher H. H. Isolation of natural crystallised lecithins 625. Essner J. C. See Malzevin P. and Essner, J . C. Evans B. S. A new colorimetric method for the determination of cobalt in the presence of nickel 389.Evans B. S. A new method for the separation and determination of tin in alloys 330. Evans B. S. The safeguarding of seals (Notes), 130 398. Evers N. See Maplethorpe C. W. and Evers N. Eynon L. Eyre J. W. H. Detection of pollution in shell-fish 80. cutaneous fat 517. See Lane J . H. and Eynon L. F Fabre R. Extraction of alkaloids from viscera, 247. Fabre R. Nature of the variations of aldehyde in blood 147. Fabre R. and Simonnet H. Sulphonal poison-ing. Localisation of sulphonal and haemato-porphyrin 575. Fabre R. Falk I(. G. Noyes H. M. and Sugiura K. Studies on enzyme action. XXX. Compara-tive study of characteristic lipase actions of tissues of different animals and of some human tissues 194. Determination of chlorine in benzaldehyde and cinnamic aldehyde 636.See Bayle E. and Fabre R. Faust T. H. and Spangler T. VOLUME L. Feigl F. and Ordelt H. Determination of bismuth and its separation from lead by pyrogallol 252. Fellenberg T. von. Detection of rancidity in fats and oils 245. Fellenberg T. von. Determination of lead in petrol 352. Fellers C. R. Shostrom 0. E. and Clarke E. D. Determination of hydrogen sulphide in bacterial cultures and in certain canned foods, 81. Fernandes L. Sensitive differential reaction of cerium 638. Fernandes L. Separation of thorium from zirconium and the tervalent rare earths 253. Fernandes L. See Canneri G. and Fernandes, L. Feulgen R. and Rossenbeck H. Microchemical test for nucleic acid of the thymonucleic acid Field -.See Henwood -. Garey -., Goldberg -. and Field -. Fierz-David H. E. Fieser L. F. See Conant J. B. and Fieser L. F. Fiesher L. F. New absorbent for oxygen in gas analysis 89. Figg E. F. Volumetric determination of Pb,O, in red lead 199. Findlay A. Chemistry in the Service of Man (Review) 259. Findlay A. Physical Chemistry for Students of Medicine (Review) 313. Fleysher M. H. Electrometric titration of antimony and tin by potassium dichromate 94. Fosse R. and Hieulle A. Identification of glyoxylic acid by means of hydrazine and xanthydrol 524. Fouard E. A collodion membrane ultra-filter. Physico-chemical analysis of solutions 20 1. Fourneau E. Organic Medicaments and their preparation (Review) 532. Fowler H. W. S. P. E. Tracts. No. XV. The Split Infinitive (Review) 536.Fox E. L. See Benedict F. G. and Fox E. L. Francis A. G. and Parsons A. T. The deter-mination of oxides of nitrogen (except nitrous oxide) in small concentration in the products of combustion of coal gas and in air 262. Francois-Dainville -. See Bordas -., Franqois-Dainville -. and Roussel -. Fred E. B. See Peterson W. H. Fred E. B., and Domogalla B. P. Fred E. B See also Stiles H. R. Peterson, W. H. and Fred E. B. Frederick R. C. An apparatus for the detection of air movement (Notes) 399. Frederick R. C. Preparation of Nessler’s solution (Notes) 183. Frederick R. C. The investigation of ventila-tion conditions 2 13, Frederick R. C. and Webster E. R. A simple and self-contained lighting unit 234. Frehse -. Application of Wood’s Light to the examination of olive oils and turpentine oil, 361.type 81. The rancidity of fats 244 Freundlich H. The Elements of Colloidal Chemistry (Review) 158. Fridericia L. S. Inactivating action of some fats on vitamin A in other fats 146. Friend J. N. Determination of dissolved oxygen 248. Froidevaux J. Methods for the determination of the products of the hydrolysis of proteins, 297. Frolich P. K. The carbon error in the quantita-tive deposition of nickel and iron from complex oxalate electrolytes (Notes) 444. Frolich P. I(. The carbon error in the quantita-tive deposition of nickel and iron from complex oxalate electrolytes 224. Frossard R. A case of poisoning by nitro-benzene 415. Nmer E. I. See Christensen L. M.and Fulmer E. I. G Gardiner A. D. The detection of annatto in milk (Notes) 549. Gardner W. Companion to the First Edition of Chemical Synonyms and Trade Names (Re-view) 588. Garey -. See Henwood -. Garey -. Gold-berg. and Field -. Garlock, B. See Heller. V. G. McElroy C. H., and Garlock B. Gero S. See Luning O. and Gero S. Gersdorff C. E. F. See Jones D. B. Moeller O., and Gersdorff C. E. F. Getz D. See Thornton Junr. W. M. and Getz, D. Gilbert E. C. Electrometric titration of hydra-zine and its salts 94. Gilman H. and Schulze F. Qualitative colour test for the Grignard reagent 523. Gilmour G. Van B. A new method for deter-mining butter fat 272. Gilmour G. Van B. The analytical value of the melting point of the insoluble volatile acids from fats 119.Gittleman I. See Kramer B. and Gittleman I. Glasstone S. A modified electrometric method for the determination of hydrogen ion con-centration 327. Glasstone S. The influence of hydrogen ion concentration on the colorimetric determina-tion of pyrogallol and catechol derivatives 49. Goldberg -. See Henwood -. Garey -., Goldberg -. and Field -. Goodwin W. and Martin H. Determination of polysulphide sulphur in spray materials 148. Gordon A. K. Useful stains for blood films 148. Gore H. C. Effect of hydrogen ion concentra-tion on the determination of diastatic power by the polarimetric method 143. Goris A. and Liot A. Therapeutic value of extract of ergot of rye 193. Goy S. and Kohler A. The arsenic content of baking powder 197. Gray H.L. B. See Staud C. J. and Gray, H. L. B. Greenbank G. R. and Holm G. E. Measure-ment of the susceptibility oE fats to oxidation, 463. Greenwald I. Chemistry of Jaffe’s reaction for creatinine. 11. Effect of substitution in the creatinine molecule and a possible formula for the red tautomeride 350. Greenwood C. V. See Stocks Ii. B. and Green-wood C. V. Grethe T. Determination of benzoic acid in egg-yolk 242. Grey E. C. Practical Chemistry by Micro-Methods (Review) 423. Griebel C. Occurence of acetaldehyde in the fruit and other parts of plants 295. Griebel C. Pectin liquefaction duriiig ripening of rosaceous fruit 297. Grigaut A. Determination of lecithin in blood, 195. Groc M. See Javillier M. Allaire H. and Groc M. Grollman A. The combination of phenol red and proteins 412.Gronover A. and Wohnlich E. The dextrose and fructose ratio in honey 191. Grosseron -. See Rappin -. and Grosseron, Guichard F. Guillot -Gutbier A and Payer T. tus 38. Guye C. E. view) 582. -See Andrb E. and Guichard F. See Vizern -. and Guillot -. Sublimation appara-Physico-Chemico Evolution (Re-H Hackl 0. Determination of ferric oxide in insoluble silicates 526. Hadley A. C. See Nierenstein IvI. Spiers C. W., and Hadley A. C. Haggard H. Vi7. Toxicology of hydrogen sul-phide 519. Hahn F. L. Wolf H. and Jager S. Sensitive colour reaction for magnesium 35. Haines R. T. M. See Pope W. J. and Haines, R. T. M. Haldane J. S. See Banham H. A. L. Haldane, J. S. and Savage T. Hale C. See Englis D.T. and Hale C. Hall J. A. Glucosides of the navel orange 295. Hall J. A. and Wilson C. P. Volatile con-stituents of Valencia orange juice 626. Hall M. C. and Cram E. B. Carbon trichloride as an anthelmintic 628. Hamer H. See Kolthoff I. M. and Hamer H. Hammett L. P. and Sottery C. T. New reagent for aluminium 162. Hann R. M. See Markley K. S. and Hann, R. M. Hart H. Rules for Compositors and Readers a t the University Press Oxford (Review) 535. Hartman M. See Turner W. A. and Hartman, M . Hartmann W. Determination of vanadium, 306 viii INDEX TO VOLUME L. Hartshorne N. H. Apparatus for the vis-cometric determination of transition points 38. Harvey C. 0. The reduction of chloric acid and chlorates by ferrous sulphate 538. Has-himoto T.Investigation of chaulmoogra oil 566. Hassreidter V. Determination of bismuth in lead ores 152. Hastings A. B. Sendroy J. jun. and Robson, W. Studies of acidosis. XXI. Colorimetric determination of PH of urine 628. Hatschek E. The Foundations of Collodi Chemistry. A Selection of Early Papers Bearing on the Subject. Edited on Behalf of the Colloids Committee of the British Association by Emil Hatschek (Review), 478. Hauge S. M. and Carrick C. W. Antiscorbutic properties of eggs 411. Hawken J. See McCrae J. and Hawken J. Heczko T. Determination of copper in iron pyrites 579. Heide C. Von Der. Determination of copper and zinc in wine 296. Heiduschka A. and Komm E. Relation between constitution and taste of a-amino acids 515. Helfer L. See Pictet A.Scherrer W. and Helfer L. Heller V. G. McElroy C. H. and Garlock B. Effect of bacterial flora on biological test for vitamin B. 570. Helmali F. D. See Hess A. F. Weinstock, M. and Helman F. D. Hendel J. M. Copper as a reducing agent in the determination of iron 91. Henderson J. B. Queensland. Report of the Government Analyst for the Year Ended June 30 1924 20. Henley R. R. Mechanism of the interaction of formaldehyde and serum proteins 360. Henstock H. Action of water on copper 352. Henville D. Metropolitan Borough of Stepney. Annual Report of the Borough Analyst for 1924 447. Henwood - Garey -. Goldberg - and Field -. Generation of hydrogen sulphide, 420. Hertwig R. and Bailey L. H. Rapid routine method for the determination of total solids in eggs 406.Hess A. F. and Weinstock M. Antirachitic properties imparted to inert fluids and to green vegetables by ultra-violet irradiation, 146. Hess A. F. and Weinstock M. Antirachitic value of irradiated cholesterol and phytosterol. 111. Evidence of chemical change as shown by absorption spectra 41 1. Hess A. F. and Weinstock M. Antirachitic value of irradiated cholesterol and phytosterol. 11. Further evidence of change in biological activity 412. Further report on imparting antirachitic properties to inert substances by ultra-violet irradiation 298. Hess A. F. and Weinstock C. Hess A. F. Weinstock M. and Helman F. D. Antirachitic value of irradiated phytosterol and cholesterol 299. Hevesy G. and Kimura K. Solubilities of the phosphates of zirconium and hafnium 637.Hevrosky J. Applications of the method of electrolysis with the dropping mercury cathode, 94. Hibbert E. See Knecht E. and Hibbert E. Hieulle A. See Fosse R. and Hieulle A. Hilditch T. P. See Armstrong E. F. and Hilditch T. P. Hine T. B. Continuous conductivity method of measuring small concentrations of chlorine in air 96. Hirsch E. F. The adsorption of indicator (cresol red) by serum in the spectropho-tometric determination of the PH 256. Hodgson T. R. The composition of lemon cheese (Notes) 396. Hodgson T. R. The safeguarding of seals (Notes), 236. Hoeven B. J. C. van der. See Levene P. A. and Hoeven B. J. C. van der. Holm G. E. See Greenbank G. R. and Holm, G. E. Holmes A. D. Vitamin potency of cod liver oils 80.Hooper D. Cinchonine as a tannin precipitant with special reference to the analysis of Cutch and Gambier 162. Hornemarm C. The vitamin content of Soya beans 298. Howard A. See Anderson A. P. Howard A., and Simonsen J. L. Hubay 0. Von. The purity of ice 631. Hubert E. E. The diagnosis of decay in wood, 299. Hunt R. Toxic action of synthetic methanol, 576. Hunter A. C. and Linden B. A. Micro-organisms in decomposing oysters 631. Hurst H. A contribution to the analysis of milk condensed and dessicated milk 438. Hurst H. County Borough of Bolton. Annual Report of the Public Analyst for 1924 501. Hutton M. K. See Daniels A. L. and Hutton, M. K. Hynd A. Nature of urinary protein 627. I Ishiwara F. Bactericidal power and chemical structure 518.Isnard E. Uranium cacodylate 581. Itallie L. Van and Steenhauer A. J. Two ptomaines met with in toxicological work 415. J Jacobs W. A. Saponins. I. The sapogenin obtained from soapnuts 352. Jacobs W. A. Saponins. 111. The sapogenin occurring in Sapindus saponar.ia L. and Snpindus mukorossi u f i l i s (Trabuti) 467 INDEX TO VOLUME L. ix Jaeger F. M. Le Principe de Symittrie et ses Applications (Review) 642. Jager S. See Hahn F. L. Wolf H. and Jager, S. Jamet A. New simplification in the official method of tannin analysis 87. Jiirvinen K. K. Determination of sulphur dioxide in foods 513. Jarvinen K. K. Separation of metals of the ammonia and ammonium sulphide group 359. Javillier M. Allaire H. and Groc M. New principle for analysing organo-therapeutic powders 409.Jindal S. J. Detection of cobalt occurring spearately or in presence of nickel and other salts in neutral solution 305. Johnson A. E. See Sutton W. L. and John-son A. E. Johnson E. B. and Dennis L. M. Determination of germanium 252. Jones A. J Colorimetric determination of benzoic acid in cordials etc. 563. Jones D. B. Moeller O. and Gersdorff C. E. F. Nitrogen distribution in muscle of shrimp 568. Jones D. B. See Murphy J . C. and Jones D. B. Jones D. O. and Lee H. R. Titration of aniline and its homologues 88. Jones D. 0. See Lee H. R. and Jones D. 0. Jones J. 0. See Robinson G. W. and Jones Jones T. W. Rancidity and the Kreis test 77. Jones W. and Perkins M. E. The nitrogenous Jordan .L.and Barrows W. P. Mercury Jorgensen G. Polarimetric determination of Juday C. See Domogalla B. P. Juday C., Jungkunz R. Determination of resin acids 357. Juritz C. F. The problem of Noors honey 347. J. 0. groups of plant nucleic acid 194. poisoning from electric furnaces 84. sucrose in condensed milk 143. and Peterson W. H. K Kahlenberg L. The passage of boric acid through the skin by osmosis 83. Kaiser H. Acids of whortleberries and tama-rinds 20. Kamm 0. Qualitative Organic Analysis. An Elementary Course in the Identification of Organic Compounds (Review) 44. Kao C. H. Karantassis T. Toxicity of compounds of tungsten and molybdenum 576. Kaufmann H. P. Preparation of organic thio-cyanogen substitution products 634. Kaufmann H. P. Volumetric determination of certain unsaturated constituents of oils and fats 577.Keenan G. L. The optical properties of some amino acids 88. Keister J. T. The Rupp Method for the detection of chlorine in milk 624. Kennedy W. P. Influence of blood serum and of sugars on haemolysis 467. See Lenher V. and Kao C. H. Keschan A. Elimination of oxalic acid in qualitative analysis by bismuth subnitrate, 579. Keschan A. Elimination of phosphoric acid in qualitative analysis by bismuth subnitrate, 200. Kessel J. F. See Mills R. G. Rartlett C. L., and Kessel J. F. Kiefer K. The active constituents of Cape aloes 566. Kimura K. King J. The adulteration of conserves with special reference to pectin and agar-agar 371. Kinloch G. P. Paratyphoid fever traced to ice-cream 632.Kirchhof F. Delicate test for benzoperoxide, 406. Kline B. S. Study of a haemolytic proteus bacillus 57 1. Kling A. and Lassieur A. Separation of zinc and nickel by hydrogen sulphide 200. Klingstedt F. W. Determination of pentosans, 416. Knecht E. and Hibbert E. Direct method for the determination of glucose and other carbohydrates 27. Knecht E. and Hibbert E. New Reduction Methods in Volumetric Analysis (Review) 257. Knobel M. Porous electrode for oxidations or reductions 527. Knowles F. and Urquhart J. C. The fat of goats’ butter (Notes) 180. Kobert K. Composition of fresh fried fish 142. Koch -. Determination of vanadium in f errovanadium 41 8. Koehler A. E. An apparatus for measuring the oxygen consumption of tissues 300.Kofler L. Recent research work on saponins 31. Kohler A. Kohn-Abrest E. Detection of poisonous gases in blood 81. Kolthoff I. M. Buffer mixtures prepared with-out the use of standardised acid or base 251. Kolthoff I. M. Detection and determination of p-sulphamino-benzoic acid in saccharin and crystallose 465. Kolthoff I. M. Detection of acetone in spirits, 464. Kolthoff I. M. and Hamer H. Identification of metals as double halogenides with pyridine, antipyrine pyrazole or aniline 90. Komm E. Micro method for the determination of blood sugar 568. Komm E. See Heiduschka A. and Komm E. Koppel I. Separation of molybdenum from tungsten 36. Kraemer E. O. and Stamm A. J. Method for the determination of size of particles in emulsions 95.Kramer B. and Gittleman I. Iodimetric method for the determination of sodium in small amounts of serum 147. Kraus I. Colorimetric determination of trypto-phane by the vanillin and hydrochloric acid reaction. Quantitative separation from indole and skatole 246. See Hevesy G. and Kimura K. See Goy S. and Kohler A x INDEX TO VOLUME L. Erauss F. and Deneke H. Separation of palladium from platinum 580. Kriesel F. W. Analysis of germanite (Deter-mination of germanium arsenic gallium and molybdenum) 9 1. Erueger A. P. See Proescher F. and Krueger, A. P. Em F. Rapid examination of sulphur 153. L Laar J. J. Van. L’Hydroghe et les Gaz Nobles (Review) 420. Lagerqirst J. Determination of paraffin wax in rubber goods 251. Lane J. H. and Eynon L.Preparation of Fehling’s solution for the volumetric deter-mination of reducing sugars 244. Lange N. A. and Ward L. A. Determination of small amounts of iodine as iodide or iodate 307. Lapworth A. and Mottram E. N. Determina-tion of oleic acid in dihydroxystearic acid 470. Lassieur A. Economic anode for rapid electro-lysis 96. Lassieur A. Electrolytic separation of lead and tin 35. Lassieur A. See Kling A. and Lassieur A. Lrathrop E. C. Launoy L. Lawson W. E. and Scott W. 0. Electrolytic modification of the Gutzeit method for the determination of arsenic in body tissues 414. Lazarev P. A theory of taste and its experi-mental verification 515. Leathes J. B. and Raper H. S. The Fats (Monographs on Biochemistry) 583. Lebeau P. and Marmasse P. Determination of carbon dioxide and of carbon monoxide 472.Lee H. R. and Jones D. 0. Analysis of dehydro-thiotoluidine sulphonic acid 88. Lee H. R. See Jones D. O. and Lee H. R. Leffmann H. Leffmann H. and Trumper M. Studies of tests for diethylphthalate 626. Leger L Nutritive value of the snail (Helix pomatza L.) 76. Lemarchands -. Qualitative separation of the zmc-nickel group 151. Lenher V. and Kao C. H. Separation of selen-ium and tellurium by sulphur dioxide in hydrochloric acid solution 255. Leonard,V. See Meader P. D. Robinson G. H., and Leonard V. Leone P. New process for separating aliphatic amines from ammonia 358. Leroy A. M. Modifications in the transparency of the shells of eggs on keeping 25. Lester V. Measurement of PH value of dairy products by Biilmann’s quinhydrone electrode, 37.Levene P. A. and Hoeven B. J. C. van der. Concentration of vitamin B. II. 629. See Sadtler S. S. Lathrop E. C. and Mitchell C. A. See Valeur A. and Launoy L. Lead tetraethyl poisoning 84. Levene P. A. .and Ulpts R. Condensation of monosaccharides by means of dilute mineral acid 463. Levhe V. E. Critical study of the Jendrassik reaction for water-soluble vitamin B. 79. Levine V. E. The Jendrassik reaction for vitamin B. 517. Levinson S. Detection of diethylphthalate 626. Lewis W. C. Mc. C. A System of Physical Chemistry. Vol. 111. Quantum Theory (Review) 202. Lewis W. C. M. A System of Physical Chemistry (Review) 586. . Less A. Analysis of candelilla and other vegetable waxes 355.Lindemann L. Determination of phosphorus in phosphor bronzes 94. Linden B. A. See Hunter A. C. and Linden, B. A. Ling A. R. Nanji D. R. and Paton F. J. Studies on glycogen Part I. The nature of yeast glycogen its preparation estimation, and rAle in yeast metabolism 407. Ling T. T. See Rhodes I;. H. and Ling T. T. Liot A. See Goris A. and Liot A. Litterscheid F. M. and Liiwenheim H. Ex-amination of sodium dithionate 36. Liverseege J. F. City of Birmingham. Annual Report of the City Analyst for 1924 337. Liverseege J. F. City of Birmingham. City Analyst’s Report for the First Quarter, 1925 446. Liverseege J. F. City of Birmingham. Report of the City Analyst for the Third Quarter, 1924 67. Liverseege J. F. City of Birmingham. Report of the City Analyst for the Fourth Quarter, 1924 184.Liverseege J. F. City of Birmingham. Report of the City Analyst for the Second Quarter, 1925 502. Liverseege J. F. City of Birmingham. Report of the City Analyst for the Third Quarter, 1925 606. Liverseege J. F. Dyed oranges (Notes) 183. Lochte H. L. See Wilde H. D. jun. and Lochte, Locke A. P. See Main E. R. and Locke A. P. Lomanitz S. See Waksman S. A. and Lo-manitz S. Long E. R. See Seibert F. B. and Long E. R. Loomis A. G. See Walters J. E. and Loomis, A. G. Lowe H. New splash-head for Kjeldahl ap-paratus (Notes) 605. Lowe H. The detection of annatto in milk (Notes) 335. Lowenheim H. See Litterscheid F. M. and Lowenheim H. Lucas A. Antiquities Their Restoration and Preservation (Review) 102.Luff A. P. and Candy H. C. H. Manual of Chemistry for Medical Students (Review), 643. Luff G. Gravimetric determination of cadmium as ferrocyanide 418. H. L INDEX TO VOLUME L. xi Luff G. Separation of calcium and magnesium, 252. Luning O. and Gcerii S. Ratio of gelatin-forming substance to total protein in sausages, 347. Liittge -. and Mertz -. Detection of putre-fying flesh by means of alcohol 190. M Maag 0. L. and McCollam C. H. Deter-mination of molybdenum in steel 360. Macheboeuf M. See Bertrand G. and Mache-boeuf M. MacLaurin J. C. Imitation vanilla essence (Notes) 548. Magnin G. Destruction of organic matter by “ perhydrol ” and its application to toxi-cology 300. Magnin G. Detection of hydrocyanic acid in cases of poisoning 300.Maheu J. and Chikamy P. Poisoning by Veratvum album L. through confusion with Asparagus officinalis 576. Main E. R. and Locke A. P. Determination of small amounts of protein nitrogen 413. IKairhofen-Aulepbach H. Von. See Vaubel, W. and Mairhofen-Aulenbach H. von. Malzevin P. and Essner J. C. Characterisstion and evaluation of ferric case in wines 77. Maplethorpe C. W. and Evers N. Picrates of the opium alkaloids 567. Marcille R. Acidity of the oil in olives 27. Marcusson J. Detection of methylhexaline in textile oils 524. Marcusson J. The fat of Algae in relation to petroleum 416. Mareeuw W. P. H. van den Driessen. Colour reaction of ergot 515. Marie S. U. See Raleigh J. T. and Marie S. U. Mllfkley K. S. and Hann R. M. Comparison of the Gunning-Arnold and Winkler boric acid modifications of the Kjeldahl method €or the determination of nitrogen 418.Ihrmasse P. See Lebeau P. and Marmasse P. Marsh F. W. Test of ascarite a carbon ab-sorbent as its own dryer 417. Martin G. The Modern Soap and Detergent Industry including Glycerol Manufacture. Vol. I. Theory and Practice of Soap-Making (Review) 100. M&m H. See Goodwin W. and Martin H. Martin W. S. See Crowther E. M and Martin w. s. Martindale W. H. and Westcott W. W. The Extra Pharmacopoeia of Martindale and Westcott. Vol. I (Review) 98. Martindale W. H. and Westcott W. W. The Extra Pharmacopoeia (Review) 585. Marvel C. S. and Vigneaud V. Du. New organic reagent for the detection of nitrates and perchlorates 91. Mason F.A. An Introduction to the Literature of Chemistry (Review) 42 1. Man C. Determination of metallic lead in litharge 151. McCollam C. H. See Maag 0. L. and McCol-lam C. H. McCrae J. Determination of fat in condensed milk (Notes) 236. McCrae J. and Hawken J. Loss of strength of spirit kept in open bottles (Notes) 66. McElroy C. H. See Heller V. G. McElroy, C. H. and Garlock. B. McHargue J. S. Copper manganese zinc, nickel and cobalt as vital factors in s d s , plants and animals 409. McLean W. and Robinson (3. W. Deter-mination of the ammoniacal nitrogen in soils 33. leader P. D. Robinson G. H. and Leonard, V. Pyorubin a red water-soluble pigment characteristic of B. pyocyanezts 573. Meighan M. H. See Morgan J. J. and Meighan, M. H. Mellor J.W. A Comprehensive Treatise on Inorganic and Theoretical Chemistry. Vol. V (Review) 154. Mellor J. W. Modern Inorganic Chemistry (Review) 530. Mendelsohn 0. A. Artificially aged documents (Notes) 287. Memies R. C. See Christie G. H. and Menzies, R. C. Mertz -. See Liittge -. and Mertz -. Meunier L. and Bonnet A. Fluorescence of vegetable colours 641. Meyer R J.? and Schuh W. Detection and determination of small quantities of fluorine, 637. Milejkowska F. See Sierakowski S . and Milejkowska F. Miles F. D. The Manufacture of Sulphuric (Contact Process). Vol. IV. of the Manu-facture of Acids and Alkalis. By G. Lunge (Review) 534. Miller Id. C. See Ramage W. D. and Miller, R. C. Mills R. G. Bartlett C. L. and Kessel J. F. Penetration of fruits and vegetables by bactena and other particulate matter.Resistance of bacteria protozoan cysts and Helminth ova to common disinfection methods 571. Mitchell C. A. The examination of charred documents 174. Mitchell C. A. See Sadtler S. S . Lathrop E. C. , and Mitchell C. A. Poeller 0. See Jones D. B. Moeller O. and Gersdorff C. E. F. Mohr W. Mokragnatz 1. See Bertrand G. and Mokrag-natz M. Monier-Williams Gc. W. Ministry of Health. Solubility of Glazes and Enamels used in Cooking Utensils. Reports on Public Health and Medical Subjects 133. Moore C. W. See Armstrong E. F. Allan J., and Moore C. W. Morgan J. J. and Meigh.an 1. H. Determina-tion of phenols in tar ods 471. See Rahn O. and Mohr W xii INDEX TO VOLUME L. Morse C. W. See Rhodes F.H. Nichols M. L., and Morse C. W. Morton J. K. Volatilisation method for the determination of fluorine in baking powder 29. Morton W. C. S. P. E. Tracts. No. IX. The Language of Anatomy (Review) 536. Mottram E. N. See Lapworth A. and Mottram, E. N. Mowat E. J. See Wallis T. E. and Mowat E. J. Muehlberg W. F. Explosion method for per-oxide fusions 473. Muehlberger C. W. Poisoning by shoe dyes, 468. Miiller K. Miiller M. Murphy J. C. and Jones D. B. Vitamin-A con-Murray H. D. Colour test for aniline and Musucci P. and Slothower G. A. Toxicity of See Rupp E. and Muller K. See Wenger P. and Muller M. tent of fresh eggs 298. toluidine 149. iron cacodylate 632. N Nanji D. R. See Ling A. R. Nanji D. R. and Paton F. J. Nelson E.K. Non-volatile acids of the black-berry 191. Nelson E. K. Non-Volatile acids of the straw-berry pineapple raspberry and Concord grape 295. Nelson E. M. and Steenbock H. Fat-soluble vitamins. XXI. Observations bearing on the alleged induction of growth-promoting properties in air by irradiation with ultra-violet light 194. Nelson J. M. and Sottery C. T. Influence of glucose and fructose on the rate of hydrolysis of sucrose by invertase from honey 76. Nelson M. T. See Steenbock H. Nelson M. T., and Black A. Nelson V. E. See Anderegg L. T. and Nelson, V. E. Neuhart F. Neumann B. and Steuer W. Determination of the oxygen content of commercial oxygen 472. Newberry G. Determination of arsenic in organic compounds 469. Newitt D. M. See Chamberlin D.S. and Newitt D. M. Nichols M. L. and Cooper S. R. New qualita-tive test for copper iron and cobalt 358. Nichols M. L. See Rhodes F. H. Nichols M. L., and Morse C. W. Nicloux M. Determination of carbon monoxide by the blood method. Absorption of the gas by haemoglobin in absence of oxygen 417. Nicloux M. Normal occurrence of carbon monoxide in blood 82. Nicol H. See Drakeley T. J. and Nicol H. Nierenstein M. Crystalline digallic acid as a Nierenstein M. Spiers C. W. and Hadley A. C. See Remy E. and Neuhart F. precipitant (Notes) 604. Action of yeast on gallotannin 417. Noll A. Chloramine as a substitute for iodine Nottin M. P. Determination of maltose in the Noyes H. M. See Falk K. G. Noyes H. N., Noyes W. A. Simple low-temperature ther-in analytical work 34.presence of glucose 190. and Sugiura K. mometer 526. 0 Oesterle 0. A. and Wander G. The " Hes-peridin of certain plants 627. Ordelt H. Orla-Jensen -. Osborne H. The problem of atmospheric pollution 42. See Feigl F. and Ordelt H. Turnip flavour of milk 519. P Paillot A. Parker A. J. Air made toxic by cheese (Notes), 446. Parkes J. W. The Concentration of Sulphuric Acid. Vol. 111. (Review) 99. Parri W. Colour reaction of the alcoholic hydroxyl group 86. Parri W. Differentiation of citric from tartaric acid 86. Parsons. A. T. See Francis A. G. and Parsons, A. T. Partington J. R. and Shilling W. G. The Specific Heats of gases (Review) 158. Partridge W. The increase of free fatty acids in castor oil (Notes) 284.Paton F. J. See Ling A. R. Nanji D. K. and Paton F. J. Patterson A. M. A German-English Dictionary for Chemists (Review) 260. Payer T. Pease V. A. Microscopical examination of cacao products 37. Pekarskaja G. See Rakusin M. A. and Pekarskaja 242. Perkins M. E. See Jones W. and Perkins &I. E. Peterson W. H. Fred E. B. and Domogalla, B. P. Occurrence of amino acids and other organic nitrogen compounds in lake water 301. Peterson W. H. See Domogalla B. P. Juday, C. and Peterson W. H. Peterson W. H. See also Stiles H. R. Peterson, W. H. and Fred E. B. Peyer W. Gum tragacanth 30. Pictet A. Schemer W. and Helfer L. Presence of argon in living cells 516. Pied H. Precipitation of tantalum and niobium by " cupferron " and their separation from iron 36.Pillers A. W. N. Occurrence of Li,tguatuln serrafa in bovine lymphatic glands 573. Pink L. A. Determination of cyanamide 357. Policard A. and Paillot A. Study of the secretion of silk by means of ultra-violet rays 582. See Policard A. and Paillot A. See Gutbier. A. and Payer T INDEX TO Poore H. D. Citrus pectin 347. Pope W. J. and Haines R. T. M. Properties of colloidal kaolin 349. Popenoe C. H. See Siegler E. H. and Popenoe, C. H. Popp H. Bacterial flora of preserved eggs 631. Powell A. D. The detection of arachis oil in olive oil (Notes) 395. Powell A. D. See Richmond H. D. and Powell, A. D. Powell A. R. and Schoeller W. R. Investi-gations into the Analytical Chemistry of Tantalum Niobium and their Mineral Associates. IV.A new method for the separation of tantalum from niobium. V. The detection and determination of tantalum in niobium compounds 485. Prausnitz P. H. Glass filter apparatus 441. Pregl F. Quantitative Organic Micro-Analysis (Review) 96. Proescher F. and Krueger A. P. Preparation of polychrome methylene blue and thiazine red 299. Pydci C. See Riffart H. and Pyriki C. Q Quick A. J. Quantitative determination of menthol glycuronic acid in urine 32. R Rahn O. and Mohr W. Air content of butter, 294. Rakusin M. A. and Pekarskaja G. Separation of egg-yolk into fractions by solvents 242. Rakusin M. A. and Rosenfeld A. The co-agulation of albumin 243. Raleigh J. T. and Marie S. U. Detection of ethyl phthalate in ethyl alcohol 192. Ramage W. D. and Miller R.C. Salt error of cresol red 354. Ramirez J. See Schobl O. and Ramirez J. Ramsey G. H. An epidemic of scarlet fever spread by ice cream 574. Randall W. W. Optical rotations produced by lemon oil and sweet orange oil in alcoholic solution 28. Ranson G. The green growth on oysters 145. Ranwez F. Characteristic reaction for luminal (gardenal) 465. Raper H. S. See Leathes J. B. and Raper H. S. Rappin -. and Grosseron -. Bacterial flora of salt 81. Rastelli G. New method for the determination of molecular weights 640. Raymond-Hamet -. Determination of Yohim-bine in barks and galenic preparations of ‘* yohimbehe,” 409. Read J. W. Effect of chlorinated milk on the albino rat 518. Rector T. M. The Scientific Preservation of Food (Review) 365.VOLUME L. xiii Redonnet T. A. Determination of thyroxin in thyroid glands and preparations 465. Reid E. E. Introduction to Organic Research (.Review) 314. Reif G. Reducing substances in different vinegars 19 1. Remy E. and Neuhart F. Toxic action of commercial ether 198. Reti L. New method for the rapid determination of phenols in essential oils 302. Reznikoff P. See Aub J. C. Reznikoff P., and Smith D. E. Rhead E. L. Metallurgy. An Elementary Text-Book (Review) 207. Rhodes F. H. and Ling T. T. Oxidation of Chinese wood oil 354. Rhodes F. H. Nichols M. L. and Morse C. W. The Hochst test for the determination of anthracene 525. Richard E. Colorimetric determination of the PH values of solutions 304. Richards C. E. The determination of lead (Notes) 398.Richards P. A. E. Hammersmith Borough Council. Annual Report of the Public Analyst for 1924 437. Richmond H. D. Preparation of Nessler solution (Notes) 336. Richmond H. D. Preparation of Nessler’s solution (Notes) 67. Richmond H. D. The fat of goats’ butter 62. Richmond H. D. The fat of goats’ butter (Notes) 285. Richmond H. D. The Laboratory Book of Dairy Analysis (Review) 422. Richmond H. D. and Ellison L. R. DeteF-mination of milk sugar in milk (Notes) 17. Richmond H. D. and Powell A. D. Bellier’s modified test for arachis oil (Notes) 288. Rickard T. A. Technical Writing (Review) 46. Ridge B. P. See Birtwell C. Clibbens D. A., and Ridge B. P. Ridsdale C. H. and Ridsdale N. D. Points arising from the analytical standardisation of British Chemical Standards 425.Ridsdale C. H. and Ridsdale N. D. Points arising from the analytical standardisation of British chemical standards (Notes) 500. Ridsdale N. D. See Ridsdale C. H. and Rids-dale N. D. Riffart H. and Pyriki C. Colorimetric deter-mination of sucrose in the presence of other sugars 26. Rinde H. See Svedberg T. and Rinde H. Rind M. Poisonous alkaloid from the Transvaal Homeria pnllida 85. Ritter G. J. Modified method of determining cellulose in wood 87. Robinson G. H. See Meader I?. D. Robinson, G. H. and Leonard V. Robinson G. W. and Jones J. 0. Determination of the degree of humification of soil organic matter 148. Robinson G. W. See McLean W. and Robin-son G. W xiv INDEX TO Robinson R. Qualitative test for weak bases, 304.Robson W. See Hastings A. B. Sendroy J., jun. and Robson W. &omie% M. New histological reaction for proteins 245. Rosenfeld A. See also Rakusin M. A and Rosenfeld A. ROSS J. F. See Smith G. F. and Ross J. F. Rossenbeck H. See Feulgen R. and Rosseii-beck H. Rothenfusser S. Detection of benzoyl peroxide in flour and dough and their products and in so-called I ‘ improvers,” 243. Rothwell C. S. Direct precipitation of calcium in cow’s milk 562. Roussel -. See Bordas -. Franyois-Dainville, - . and Roussel -. Rowe A. W. and Wiener B. S. Relative reducing powers of sugars 407. Rowe F. M. New azo-reaction 240. Rupp E. and Miiller .K. Volumetric deter-mination of mercury 579. S Sabalitscea T. Chemical constitution and antiseptic power 3 1.Sabalitschka T. and Erdmann W. Iodimetric determination of methylene blue 47 1. Sackett G. E. Modification of Bloor’s method for the determination of cholesterol in whole blood or blood serum 412. Allen’s Commercial Organic Analysis 5th ’edition Vol. 2. Fixed oils Fats and Waxes, !Review) 156. Sadlard E. Clerget method (Inversion co-efficients) 513. Salmon W. D. Vitamin B in excreta of rats on a diet low in this factor 628. Sandberg M. and Brand E. Papain lipase 410. Sands L. See Anderson E. Sands L. and Sturgis N. Savage T. See Banham H. A. L. Haldane, J. S. and Savage T. Savage W. G. Domesticated animals as sources of bacilli pathogenic to man 572. Scheringa I(. Determination of cane sugar in condensed milk 625.Scherrer W. See Pictet A. Scherrer W. and Helfer L. Schimpf H. W. A Systematic Course of Qualita-tive Chemical Analysis of Inorganic and Organic Substances (Review) 98. Schleicher A. and Toussaint L. Electrolytic determination of antimony 526. Schobl 0. Semi-selective antiseptic effect of vapours of vegetable oils essential oils their constituents and similar compounds 467. Schobl O. and Ramirez J. Fallacy of the test for lactose fermenters as an indicator of faecal pollution of waters 630. Schoeller W. R. Determination of cadmium in spelter and alloys (Notes) 1s. Sadtler S. S. Lathrop E. C. and Mitchell C. A. VOLUME L. Schoeller W. R. See Powell A. R. and Schoeller, W. R. Schorger A. W. The seed hairs of the milk-weed 471. Schorn E. J.Colour test for cineol 192. Schotz S. P. Synthetic Organic Compounds (Review) 258. Schulek E. Determination of chloride bromide, or thiocyanate in presence of cyanide 253. Schulz W. See Meyer R. J. and Schulz W. Schulze F. See Gilman H. and Schulze F. Scott D. A. The action of trypsin on insulin 351. Scott W. 0. See Lawson W. E. and Scott, Scott W. W. Determination of lead 473. Seaber W. M. The carbon residue test for lubri-Searle A. IB. The Chemistry and Physics of Seibert F. B. and Long E. R. Interfering effect Sendroy J. junr. See Hastings A. B. Sendroy. Sharp J. Stopcock orifice flowmeter 475. Shedd 0. M. Determination of nitrate and ammonia in nitrogenous materials 33. Shelley F. F. Bellier’s modified test for arachis oil (notes) 182. Shelley F.F. Halphen’s cotton seed oil test (Notes) 132. Shelley F. F. The detection of arachis oil in olive oil (Notes) 498. Shilling W. G. See Partington J. R. and Shilling W. G. Shostrom 0. E. See Fellers C. R. Shostrom, 0. E. and Clark E. D. Shutt F. T. Analytical notes on two samples of old butter (Notes) 64. Sidener C. F. See Stoppel A. E. Sidener C. F. and Brinton P. H. M. I?. Siegler E. H. and Popenoe C. H. Insecticidal properties of the fatty acid series 303. Sierakowski S. and Milejkowska F. Germicidal action of different H-ion concentrations on bacteria 195. Simonnet H. See Fabre R. and Simonnet H. Simonsen J. L. See Anderson A. P. Howard, A. and Simonsen J. L. Simpkins N. and Dswe A. Boiler Feed Water (Review) 367. Sjorslev N. The sulphuric acid reaction of butter fat 125.Skarnitzl E. Japanese saffron 31. Slothower G. A. See Musucci P. and Slo-thower G. A. Smith A. H. A protein in the edible portion of orange 247. Smith D. E. See Aub J. C. Reznikoff P., and Smith D. E. Smith G. F. Separation and determination of the alkali metals by the use of perchloric acid. I. Solubilities of the perchlorates of the alkali metals in mixed organic solvents, 254. w. 0. cating oils 354. Clays and Other Materials (Review) 45. of glycerol on the Biuret reaction 470. J. jun. and Robson W INDEX TO VOLUME L. xv Smith G. F. and Ross J. F. Separation and determination of the alkali metals by the use of perchloric acid. 11. Precise determination of the insoluble alkali metal perchlorates 264.Smith G. F. and ROSS J. F. Separation and determination of the alkali metals by the use of perchloric acid. 111. Normal butyl alcohol and ethyl acetate as mixed solvents in the separation and determination of potas-sium sodium and lithium 307. Smith J. C. Micro-Determination of methoxyl, 302. Smith P. See Elsdon G. D. and Smith P. Smith S. Forensic Medicine (Review), 368. Solaja? B. Gravimetric determination of alu-minium and its separation from manganese, 360. Sottery C. T. See Hammett L. P. and Sottery, C. T. Sottery C. T. See also Nelson J. M. and Sottery C. T. Souleyre M. Rapid method of preparation of silica-gel for bacteriological cultures 629. Spacu G. Sensitive tests for copper 580. Spacu G. Separation of copper from mercury, 580.Spangler T. See Faust T. H. and Spangler T. Spielman P. E. Bituminous Substances (Review), 257. Spielman P. E. The Constituents of Coal Tar (Review) 206. Spiers C. W. See Nierenstein M. Spiers C. W., and Hadley A. C. Spindler H. See Terroine E. F. and Spindler, H. Spripger J. W. Electrolytic determination of zinc in alloys 200. Stamm A. J. See Kraemer E. O. and Stamm, A. J. Staud C. J. and Gray H. L. B. Determination of the copper numbers of cellulose materials, 471. Steenbock H. Nelson M. T. and Black,. A. Fat-soluble vitamins. XX. Modified technique for the determination of vitamin A . 78. Steenbock H. See Nelson E. M. and Steen-bock 13. Steenhauer A. J. See Itallie L. Van and Steenhauer A. J. Stehle R. L. Constant-level regulating device, 362.Steuer W. Determination of oxygen and nitrogen in commercial electrolytic hydrogen, 525. Steuer W, Stevens H. P. Stevenson A. E. Discoloration of canned food, 512. Stiles H. R. Peterson W. H. and Fred, E. B. Fermentation products of certain mannitol-forming bacteria 619. Still A. L. Stillman J. M. The Story of Early Chemistry (Review) 362. Stock J. H. See Tankard A. R. and Stock, J. H. See Neumann B. and Steuer W. Rubber stopcaps (Notes) 131. See Cribb C. H. and Still A. L. Stocks H. B. and Greenwood C. V. Nature of the reaction between tannin and carbohydrates. Part I. 564. Stoppel A. E. Sidener C. F. and Brinton P. H. M. P. Separation of molybdenum from vanadium 418. Straeke C. J. Identification of tea by the phloroglucinol test 297.Sturgis N. See Anderson E. Sands L. and Sturgis N. Sugiura K. See Falk K. G. Noyes H. M. and Sugiura K. Supplee G. C. and.Dow 0. D. Reproductive potency of dry milk as affected by oxidation, 245. Sutton F. and (Sutton W. L. Johnson A. E., Editors). A Systematic Handbook of Volu-metric Analysis (Review) 42. Sutton R. W. The determination of fat in con-densed milk (Notes) 17. Sutton T. C. and Ambler H. R. On the absorp-tion of carbon monoxide. Part 11. Advan-tages of using hot reagent 167. Svhda J. Gasometric determinations by means of combustion with copper oxide 90. Svedberg T. and. Rinde H. The Ultra-Centri-fuge. A new instrument for the determina-tion of the size of particles in amicroscopic colloids 95. Swanson W.W. Effect of sodium benzoate ingestion upon the composition of the blood and urine with especial reference to the possible synthesis of glycine in the body 197. Szilard B. New method for examining the interior of pearls 202. T Tankard A. R. City and County of Kingston-upon-Hull. Annual Report of the Public Analyst and Bacteriologist for 1924 551. Tankard A. R. and Stock J. H. The occur-rence of glass particles in foodstuffs 393. Tiiufel K. and Wagner C. Determination of tartaric acid 577. Taufel K. See Dietzel R. and Taufel I(. Terroine E. F. and Spindler H. Influence of Pasteurisation on the digestibility of the proteins and mineral constituents of milk 345. Thayer F K. Butesin picrate a new type of anzithetic antiseptic 144. Theriault E.J. Determination of dissolved oxygen by the Winkler method 632. Thompson F. C. A Course of Metallurgy for Engineers (Review) 587. Thornton W. M. junr. and Getz D. Use of p-nitrobenzoic acid as an acidimetric standard, 304. Thresh J. C. Action of water upon copper pipes, 248. Thresh J. C. and Beale J. F. The Examination ot Waters and Water Supplies (Review) 310. Tillat J. J. X-Ray method of following the oxidation of unsaturated fatty acids 641 xvi INDEX TO VOLUME L. Timm J. A. Charts of the Chemical Reactions TomiEek 0. Potentiometric determination of Toussaint C. See Bardet J. and Toussaint C. Toussaint L. See Schleicher A. and Toussaint, Trumper M. See Leffmann H. and Trumper, Tucker F. H. Apparatus for determining the Turner W. A. and Hartman M.Non-volatile of the Common Elements (Review) 257. cerium 360. L. M. specific gravity of aggregates 362. organic acids of alfalfa 522. U Ulex H. Fluorine in egg yolk 625. Ulpts R. See Levene P. A. and Ulpts R. Ultee A. J. Fig tree (gondang) wax 87. Urbain G. Les Notions Fondamentales d’ ElCment Chimique et d’Atome (Review) 641. Urquhart J. C. See Knowles F. and Urquhart, J. C. V Vigi S. New reactions of nitrates and nitrites, 308. Valeur A. and Launoy L. The value of the D.M. index for arsenobenzenes 193. Valton P. A. Detection of methylamine in Van B. Gilmour G. The analytical value of the melting point of the insoluble volatile acids from fats 119. Van Der Hoeven B. J. C. See Levene P. A. and Van Der Hoeven B. J. C. Van Itallie L.and Steenhauer A. J. Two ptomaines met with in toxicological work 415. Van Laar J. J. L’Hydroghe et les Gaz Nobles (Review) 420. Vasseur A. Presence of dextran in wines and its consequences 296. Vaubel W. and Mairhofen-Aulenbach H. von. Stannous and stannic hydrides 575. Viehoever A. Continuous extraction apparatus, 153. Vigneaud V. Du. See Marvel C. S. and Vigneaud V. du. Vilbrandt F. C. Elimination of surface devitrifi-cation on laboratory silica ware 527. Vivario R. Vhern -. and Guillot -. Sunflower and safflower. Distinctive features of the seeds and cakes 408. Vl&s F. Spectrophotometric determination of P H 201. Vorce L. R. Determination of minute amounts Vortmann G. Elementary organic analysis by a - presence of excess of ammonia 149.See Desgrez A. and Vivario R. of phenols in polluted natural waters 469. wet method 469. W Wagner C. See Taufel K. and Wagner C. Waksman S. A. and Lomanitz S. Decomposi-tion of proteins and amino acids by micro-organisms 410. Walker H. Influence of different substances on the diastatic activity of saliva 466. Walker W. B. The determination of small amounts of iron by colorimetric methods 279. Wallis T. E. and Mowat E. J. True and false Santonicas 566. Walrand M. Elimination of cocaine from the system 521. Walters J. E. and Loomis A. G. A cryostat for temperatures extending to -180 “C. 582. Walther B. Analysis of ink 151. Wander G. See Oesterle 0. A. and Wander G. Ward L. A. See Lange N. A. and Ward L. A. Ware A. H. Identification by chemical methods of drugs containing tannin 564.Ware A. H. Modifications of the ferric citrate precipitation test for tannins (Notes) 335. Ware A. H. The detection of plant phenols by the use of nitrites or nitric acid 384. Ware A. H. The use of Mitchell’s ferrous tartrate reagent in qualitative analysis 127. Wasteneys H. and Borsook H. Enzymatic synthesis of protein. V. Note on the synthesising action of trypsin 351. Wasteneys H. See Borsook H. and Wasteneys, H. Webster E. R. See Frederick R. C. and Web-ster E. R. Weinstock M. See Hess A. F. and Weinstock, M. Weinstock M. See also Hess A. F. Weinstock, M. and Helman F. D. Weir A. A. Constants of Victorian beeswax: Graph for the investigation of beeswaxes (Notes) 445. Welss H. Artificial daylight spectacles for the laboratory 362.Weisz H. Daylight-Spectacles (Notes) 605. Welo L. A. and Baudisch 0. Catalytically active and inactive forms of ferric oxide; 569. Welo L. A. See Baudisch O. and Welo L. A. Wenger P. and Miiller M. Separation of zirconium from iron 637. Wesson L. G. Approximate determination of arachidonic acid 578. Westcott W. W. See Martindale W. H. and Westcott W. W. Wetzel J. New apparatus for distilling mercury, 361. Whitehorn J. C. Method for the determination of lipoid phosphorus in blood and plasma 82. Wichmann H. J. Pectin in fruits and fruit products 28. Wiener B. S. See Rowe A. W. and Wiener, B. S. Wilbur 0. C. See Calcott W. S. English, F. L. and Wilbur 0. C. Wilde H. D. jun. and. Lochte H. *L.Rapid method for determining carbon in organic compounds 198. Willcox J. S. and Cranfield H. T. The influence of palm kernel meal on the composition of bacon fat 323 INDEX TO VOLUME L. xvii Willgerodt T. M. Determination of chloroform in chloroform liniment 627. Willimoft S. G. An apparatus for the catalytic dehydrogenation of alcohols 13. Wilson C. P. See Hall J. A. and Wilson C. P. Wilson J. Detection of nitric acid and nitrates in sulphuric acid 581. Winkler L. W. Rapid determination of iodine values 523. Wohnlich E. See Gronover *4. and Wohnlich E. Wolf H. See Hahn F. L. Wolf H. and Jager,S. Woodman H. E. Methods employed in silage analysis 522. Woodroffe D. Determination of alumina in chrome leather 86. Wyss F. Biochemical determination of insulin, 570.Z Zerban F. W. Specific rotation of invert sugar sugar and the Clerget Divisor 294 xviii INDEX TO VOLUME L. INDEX TO A Absorbent Oxygen in gas analysis ; New -for. L. F. Fiesher 89. Absorption Spectra Irradiated cholesterol and phytosterol ; Antirachitic value of. 111. Evidence of chemical change as shown by -. A. F. Hess and M. Weinstock 411. Abstracts of Papers published in other Journals : 1925 25 76 142 190 242 294,347 406,462, 512 562 624. Acetaldehyde Fruit and other parts of plants ; Occurrence of - in the. C. Griebel 295. Acetic Anhydride - ; Analysis of. W. S. Calcott F. L. English and 0. C. Wilbur 634. Acetone Spirits ; Detection of - in. I. M. Kolthoff 464. Acetyl Values Fats ; Simple and rapid method for the determination of - of.E. Andr6, 302. Acid or Base Standardised - ; Buffer mixtures prepared without the use of. I. M. Kolthoff 251. Acidimetric Standard p-Nitrobenzoic acid as an -; Use of. W. M. Thornton junr. and D. Getz 304. Acidimetry Indicator in - and alkalimetry ; Potassium tripyrocatechol ferrate as. K. Binder 305. Acidity Oil in olives; - of the. R. Marcille 27. Acidosis - ; Studies of. XXI. Colori-metric determination of PH of urine A. B. Hastings J. Sendroy junr. and W. Robson, 628. Acids Natural unsaturated fatty - ; Con-stitution of Part 11. Some - present in a South Georgian whale oil. E. F. Armstrong and T. P. Hilditch 303. Acids Whortleberries and tamarinds ; - of. H. Kaiser 29. Act Merchandise Marks - ; Lysol and the (Legal Notes).448. Act Ministry of Health. Milk and Dairies (Consolidation) - 1915. [5 and 6 Geo. 5. Ch. 66.1 Milk and Dairy Orders. 612. Acts Ministry of Health. Circular 553. Sale of Food and Drugs - etc. R. B. Cross 25. Acts New Zealand Department of Health. Regulations under the Sale of Foods and Drugs - 1908. 30th June 1924. 140. the. 104. Address Retiring President ; Annual - of SUBJECTS. Adrenaline Denig&s-Grimbert-Leclhre reaction Determination of - in suprarenal powders by an application of the. Advisory Committee Fertilisers and Feeding Stuffs - ; Report of the. 557. Advisory Committee Water ; - on. Report on Measures for the Protection of Underground Water. 509. Agar-Agar Pectin and - ; The adulteration of conserves with special reference to.J. King 371. Ageing Natural mineral waters ; - of. 0. Baudisch and L. A. Welo 516. Aggregates Specific gravity of - ; Appara-tus for determining the. F. H. Tucker 362. Agricultural Analysis Abstracts 1925 33, 84 148 522. Agricultural Soils Manganese in - ; Deter-mination of. G. Bertrand 85. Agriculture Copper sulphate in -. E. Cerasoli 84. Agriculture United States Department of -. Food Inspection Decisions 196 and 197. 562. Air Cheese ; - made toxic by (Notes). A. J. Parker 446. Air Chlorine in - ; Continuons con-ductivity method of measuring small con-centrations of. Air Content Butter; - of. 0. Rahn and W. Mohr 294. Air Ministry Meteorological Office -. Advisory Committee on Atmospheric Pollution Report on Observations in the Year Ending March 31st 1924.452. Air Movement Detection of - ; An appara-tus for the (Notes). R. C. Frederick 399. Air Pollution Water ; Effect of - on. B. A. Adams 353. Air Products of combustion of coal gas and in - ; The determination of oxides of nitrogen (except nitrous oxide) in small concentration in the. A. G. Francis and A. T. Parsons 262. Albino Bat Chlorinated milk on the -; Effect of. Albumin Coagulation of - ; The. M. A. Rakusin and A. Rosenfeld 243. Alcohol Ethyl phthalate in ethyl -; Detection of. J. T. Raleigh and S. U. Marie, 192. Alcohol Free pentoses in plants ; Occurrence of. Effect of extraction of the sugars with ammoniacal -. D. T. Englis and C. Hale, 199. 0. Bailly 78. T.B. Hine 96. J. W. Read 518 INDEX TO VOLUME L. xix Alcohol Industrial - ; Sources of. 404. Alcohol Putrefying flesh by means of -; Detection of. Alcoholic Hydroxyl Group Colour reaction of the -. W. Parri 86. Alcoholic Solution Lemon oil and sweet orange oil in -; Optical rotations produced by. W. W. Randall 28. Alcohols Catalytic dehydrogenation of - ; An apparatus for the. Aldehyde Blood ; Nature of the variations of - in. Alfalfa Non-volatile organic acids of -. W. A. Turner and M. Hartman 522. Algae Fat of - in relation to petroleum ; The. J. Marcusson 416. Aliphatic Amines Ammonia New process for separating - from. P. Leone 358. Alkali Metal Perchlorates Alkali metals by the use of perchloric acid Separation and deter-mination of the.11. Precise determination of the insoluble -. G. F. Smith and J. F. Ross 254. Alkali Metals Perchloric acid 11 Separation and determination of the - by the use of. I. Solubilities of the perchlorates of the -. in mixed organic solvents. Alkali Metals Perchloric acid ; Separation and determination of the - by the use of. 11. Precise determination of the insaluble alkali metal perchlorates. G. F. Smith and J. F. Ross 254‘. Alkali Met& Perchloric acid ; Separation and determination of the - by the use of. 111. Normal butyl alcohol and ethyl acetate as mixcd solvents in the separation and deter-mination of potassium sodium and lithium. G. F. Smith and J. I;. Ross 307. Alkali Uranylsalicylates Rare earths from uranium ; Separation of.- . G. Canneri and L. Fernandes 35. Alkalimetry Indicator in acidimetry and - ; Potassium tripyrocatechol ferrate as. K. Binder 305. Alkaline Pyrogallol . Solutions Absorption of oxygen and liberation of carbon monoxide by -; The. T. J. Drakeley and H. Nicol. 578. Alkaline Pyrogallol Solutions Oxygen by - ; Absorption of. T. J. Drakely and H. Nicol, 636. Alkalis Silicates ; Determination of - in. 0. Cantoni 581. Alkaloid Transvaal ‘ Homeria pallida ’ . Poisonous - from the. M. Kindl 8$. Alkaloids Calabar bean ; Constitution and Chemical properties of the - of the. E. Cattelain 193. Alkaloids Opium - Picrates of the. C. W. Maplethorpe and N. Evers 567. Alkaloids Viscera; The extraction of -from. R. Fabre 247. b b Alliols ” Organic cyanides in - ; Detec-tion of.L. Desvergnes 348. Alloxantin Reaction Ferric iron ; The - for. G. Denigks 199. Liittge and Mertz 190. S. G. Willimott 13. R. Fabre 147. G. F. Smith 254. Alloys Manganese in iron - Dection of traces of. H. Bosche 359. Alloys Spelter and -; Determination of cadmium in (Notes). Alloys Tin in - ; A new method for the separation and determination of. B. S. Evans,. 330. Alloys Zinc in - ; Electrolytic deter-mination of. Almonds Emulsin of - . Two new enzymes present in the. Aloes Cape - ; The active constituents of H. Kiefer 566. Alumina Chrome leather ; Determination of --in. D. Woodroffe 86. Aluminium Manganese ; Gravimetric deter-inination of - and its separation from. B. Solaja 360. Aluminium Reagent for -; New.L. P. Haminett and C. T. Sottery 152. American Palm-Kernel Fat Murumuru an -. E. Andre and F. Guichard 513. Amicroscopic Colloids Ultra-centrifuge ; Tue. A new instrument for the determination of the size of particles in -. T. Svedberg and H. Rinde 95. Amines Ammonia New process for separating aliphatic - from. a-Amino Acids Constitution and taste of - . Relation between. A. Heiduschka and E: Komm 515. Amino Acids Lake water ; Occurrence of -and other organic nitrogen compounds in. W. H. Peterson E. B. Fred and B. P. Domo-galla 301. Amino Acids Micro-organisms ; Decomposition of proteins and - by. S. A. Waksman and S. Lomanitz 410. Amino Acids Optical properties of some - ; The. G. L. Keenan 88. Amino-Nitrophenols Urine ; Detection of -in.L. Desvergnes 197. Ammonia Aliphatic amines from - ; New process for separating. Ammonia and Ammonium Sulphide Group : metals of the - ; Separation of. K. K. Jarvinen 359. Ammonia Methylamine in presence of excess of - ; Detection of. P. A. Valton 149. Ammonia Nitrate and - in nitrogenous materials ; Determination of. 0. M. Shedd, 33. Ammoniacal Alcohol Free pentoses in plants ; Occurrence of. Effect of extraction of the sugars with -. D. T. Englis and C. Hale, 199. Ammoniacal Nitrogen Soils ; Determination of the - in. W. McLean and G. W. Robinson 33. Ammonium Sulphide Group Metals of the ammonia and - ; Separation of. K. K. Jarvinen 359. Amylases Enzymic activity and heat destruc-tion of pancreatic and malt - ; Tempera-ture coefficients of.W. R. Schoeller 18. J. W. Springer 200. M. Bhdel 628. P. Leone 358. P. Leone 358. D. H. Cook 569 xx INDEX TO VOLUME L. Anaerobic Bacteria Gastro-intestinal dis-turbances; - in meat foods and their connection with. Brekenfeld 80. Anaesthetic Antiseptic Butesin picrate a new type of -. Analyst County Borough of Bolton. Annual Report of the Public - for 1924. H. Hurst 501. Analytical Standardisation British Chemical Standards ; Points arising from the - of. C. H. Ridsdale and N. D. Ridsdale 425. Analytical Stand?rdisation British Chemical Standards ; Points arising from the - of (Notes). C. H. Ridsdale and N. D. Ridsdale, 500. Analytical Value Melting point of the in-soluble volatile acids from fats ; The - of the.G. Van B. Gilmour 119. Analytical Work Iodine in - ; Chloramine as a substitute for. A. Noll 34. e e Double halogenides with pyridine, antipyrine pyrazole or - ; Identification of metals as. I. M. Kolthoff and H. Hamer, 90. Aniline Homologues ; Titration of - and its D. 0. Jones and H. R. Lee 88. Aniline Toluidine ; Colour test for - and. H. D. Murray 149. Animal Kingdom Nickel and cobalt in the -. G. Bertrand and M. Macheboeuf 512. Animals Bacilli pathogenic to man ; Domesti-cated - as sources of. W. G. Savage 572. Animals Enzyme action ; Studies on. XXX. Comparative study of characteristic lipase actions of tissues of different - and of some human tissues. K. G. Falk H. M. Noyes and K. I Sugiura 194. Animals Soils plants and - ; Copper, manganese zinc nickel and cobalt as vital factors in.J. S. McHargue 409. Annatto Milk The detection of - in (Notes). A. D. Gardiner 549. Annatto Milk; The detection of - in (Notes). H. Lowe 335. Anode Rapid electrolysis ; Economic - for. A. Lassieur 96. Anodes Lead - ; Peroxidised. G. Bozza and &I. Bertozzi 154. Anthelmintic Carbon trichloride as an -. M. C. Hall and E. B. Cram 628. Anthracene Hochst test for the determination of -; The. F. H. Rhodes M. L. Nichols and C. W. Morse 525. Antimony - ; Electrolytic determination of. Antimony Potassium dichromate ; Electro-metric titration of - and tin by. M. H. Fleysher 94. Antipyrine Double halogenides with pyridine, - pyrazole or aniline ; Identification of metals as.I . M. Kolthoff and H. Hamer 90. Antirachitic Properties Ultra-violet irradiation; - imparted to inert fluids and to green vegetables by. A. F. Hess and M. Weinstock, 146. F. K. Thayer 144. A . Schleicher and L. Toussaint 526. Antirachitic Properties Ultra-voilet irradia-tion ; Further report on imparting - to inert substances by. A. F. Hess and hl. Weinstock 298. Antirachitic Substance Reagents ; Resistance of the - in cod liver oil to. C. E. Bills 410. Antirachitic Value Irradiated phytosterol and cholesterol ; - of. A. F. Hess M. Wein-stock and F. D. Helman 299. Antirachitic Value Irradiated cholesterol and phytosterol ; - of. 11. Further evidence of change in biological activity. A. F. Hess and M. Weinstock 412. Antirachitic Value Irradiated cholesterol and phytosterol ; - of.111. Evidence of chemical change as shown by absorption spectra. Antiscorbutic Properties. Eggs ; - of. S. M. Hauge and C. W. Carrick 411. Antiseptic Anaesthetic - Butesin picrate a new type of. Antiseptic Effect Vapours of vegetables oils, essential oils their constituents and similar Schobl 467. Antiseptic Power Chemical constitution and -. T. Sabalitschka 31. Apparatus Air movement ; An - for the detection of (Notes). R. C. Frederick 399. Apparatus Alcohols ; An - for the catalytic dehydrogenation of. Apparatus Continuous extractioh -. A. Viehoever 153. Apparatus Mercury ; New - for distilling. J. Wetzel 361. Apparatus Oxygen consumption of tissues ; -for measuring the.Apparatus Small quantities of gas - for the accurate analysis of. D. S. Chamberlin and I). M. Newitt 475. Apparatus Sublimation -. A. Gutbier and T. Payer 38. Apparatus Viscometric determination of transi-tion points ; - for the. N. H. Harts-horne 38. Apple Shipments Department of Scientific and Industrial Research. Food Investigation Board. Special Report No. 22. " Brown Heart in Australian -." 188. Apple Tissue Pectose and pectin in -; Relation of. M. H. Carri. 464. Apples Cider vinegar from dried -. U.S.A. Supreme Court Decision (Legal Notes). 185. Apples Department of Scientific and Industrial Research. Food Investigaion p d . Special Report No. 21. The " gas content and ventilation of refrigerated holds carrying -, 187. Approximate Determination Arichidonic acids ; - of.Arable Land Nickel and cobalt in -. G. Bertrand and M. Mokragnatz 84. Arachidonic Acid Approximate determination of -. L. G. Wesson 578. Arachis Oil Bellier's modified test for -(Notes). F. F. Shelley 182. A. F. Hess and M. Weinstock 411. F. K. Thayer 144. compounds ; Semi-selective - of. 0. S. G. Willimott 13. A. E. Koehler 300. L. G. Wesson 578 INDEX TO VOLUME L. xxi Arachis Oil Bellier’s modified test for -(Notes). H. A. Caulkin 285. Arachis Oil Bellier’s modified test for -(Notes). H. D. Richmond and A. D. Powell, 285. Arachis Oil Olive oil ; The detection of - in (Notes). A. D. Powell 395. Arachis Oil Olive oil ; The detection of - in (Notes). F. F. Shelley 498. Argon Living cells ; Presence of - in.A. Pictet W. Scherrer and L. Helfer 516. Arsenic Content Baking powder ; The - of. S . Goy and A. Kohler 197. Arsenic Germanite ; Analysis of (Determina-tion of germanium - gallium and moly-bdenum). F. W. Kriesel 91. Arsenic Gutzeit method for the determination of - in body tissues ; Electrolytic modifi-cations of the. W. E. Lawson and W. 0. Scott 414. Arsenic Organic compounds ; Determination of - in. G. Newberry 469. Arsenic Small quantities of - ; On certain new methods for the determination of and its occurrence in urine and in fish. H. E. Cox. .3. Arsenobenzenes D. M. Index for - ; The value of the. A. Valeur and L. Launoy 193. Artificial Daylight Spectacles Laboratory ; -for the. H. Weiss 362. Ascarite - a carbon dioxide absorbent as its own dryer ; Test of.F. W. Marsh 417. Asparagus officinalis Veratrum album L. through confusion with - * Poisoning by. J. Maheu and P. ChCramy 57k Atmospheric Pollution - ; The Problem of. H. Osborne 23. Atmospheric Pollution Meteorological Office, Air Ministry. Advisory Committee on -. Report on Observations in the Year Ending March 31st 1924. 452. Atractylis gummifera Liquorice extract ; Detection of - in. Australian Apple Shipments Department of Scientific and Industrial Research. Food Investigation Board. Special Report Nd. 22. ” Brown Heart in -.” Azo-Reaction - ; New. F. M. Rowe 249 P. Bertolo 193. 188. B Bacilli Sources of - pathogenic to man ; Domesticated animals as. W. G. Savage 572. Bacillus Haemolytic proteus - ; Study of a.B. S. Kline 571. B . pyocynneus Red water-soluble pigment characteristic of -; Pyorubin a. P. D. Meader G. H. Robinson and V. Leonard 573. Bacon Fat Palm kernel meal on the composition of - ; The influence of. J. S. Willcox and H. T. Cranfield 323. Bacteria Different H-ion concentrations on - ; Germicidal action of. S. Sierakowski and F. Milejkowska 195. Bacteria Fruits and vegetables by - and other particulate matter. Resistance of -, protozoan cysts and helminth ova to common disinfection methods. R. G. Mills C. L. Bartlett and J. F. Kessel 571. Bacteria Mannitol-forming - - Fermenta-tion products of certain. H. R. ktiles W. H. Peterson and E. B. Fred 519. Bacteria Meat foods ; Anaerobic - in and their connection with gastro-intestinal dis-turbances.Brekenfeld 80. Bacterial Cultures Hydrogen sulphide in -and in certain canned foods ; Determination of. C. R. Fellers 0. E. Shostrum and E. D. Clark 81. Bacterial Flora Preserved eggs ; - of. H. Popp 631. Bacterial Flora Salt ; - of. Kappin and Grosseron 81. Bacterial Flora Vitamin B. ; Effect of - on biological test for. V. G. Heller C. H. McElroy and B. Garlock 570. Bactericidal Power Chemical structure ; -and. F. Ishiwara 518. Bacteriological Cultures Silica-gel for - ; Rapid method of preparation of. M. Soul-eyre 629. Baking Powder Arsenic content of - ; The. S. Goy and A. Kohler 197. Baking Powder Fluorine in -; Volatilisa-tion method for the determination of. J. K. Morton 29. Baking Powders Monocalcium phosphate in - ; Neutralising value of.L. H. Bailey, 408. Balances National Physical Laboratory. Met-rology Department. Verification of Weights, Testing of - Determination of Densities. 291. Barium Chloride Soluble sulphates by means of - and potassium stearate ; The volu-metric determination of. H. Atkinson 590. Barks Yohimbine in - and galenic prepara-tions of “ Yohimbehe ” ; Determination of. Raymond-Hamet 409. Bases Weak -; Qualitative test for. R. Robinson 304. Baths Medium for high temperature -; Fused bisulphate as a. E. Benesch 419. Bean Alkaloids of the Calabar - ; Con-stitution and chemical properties of the. E. Cattelain 193. Beans Soya - ; The vitamin content of. C. Hornemann 298. Beeswax Victorian - ; Constants of.Graph for the investigation of beeswaxes (Notes). A. A. Weir 445. Beeswaxes Victorian beeswax ; Constants of. Graph for the investigation of - (Notes). A. A. Weir 446. Bellier’s Modified Test Arachis oil ; - for (Notes). F. F. Shelley 182. Bellier’s Modified Test Arachis oil ; - for (Notes). H. A. Caulkin 285. Bellier’s Modified Test Arachis oil; - for (Notes). H. D. Richmond and A. D. Powell, 285 xxii INDEX TO VOLUME L. Benzddehyde Chlorine in - and cinnamic aldehyde ; Determination of. T. H. Faust and T. Spangler 636. Benzoates Benzoic acid and - from the system ; Elimination of. Bordas Frangois-Dainville and Roussel 567. Benzoic Acid Cordials etc.; Colorimetric determination of - in. A. J. Jones 563. Benzoic. Acid Egg-yolk ; Determination of - in.T. Grethe 242. Benzoic Acid System ; Elimination of -and benzoates from the. Bordas Frangois-Dainville and Roussel 567. Beplloic Acid Wine ; Determination of -in. J. Dubaquie 295. Benzoic Acid Wines ; Determination of -in. 514. Benzoic and Salicylic Acids Wines ; - in, 514. Benzoperoxide Flour ; Delicate test for -: (benzoyl peroxide) in. F. Kirchhof 406. (Benzoyl Peroxide) Benzoperoxide - in flour; Delicate test for. F. Kirchhof 406. Benzoyl Peroxide Flour and dough and their products and in so-called ‘‘ Improvers ”; Detection of - in. S. Rothenfusser 243. Biilmann’s Quinhydrone Electrode Pa value of dairy products by - ; Measurement of. V. Lester 37. Bill Dangerous Drugs - 462. Biochemical Bacteriological etc.Abstracts : 1925 31 78 145 194 245 297 349 409, 466 515 567 62‘7. Biological Activity Irradiated cholesterol and phytosterol ; Antirachitic value of. 11. Fur-ther evidence of change in -. A. F. Hess and M. Weinstock 412. F. Wyss 570. Biological Test Vitamin B. ; Effect of bacterial flora on - for. V. G. Heller C. H. McElroy and 13. Garlock 570. Birmingham City of -. Annual Report of the City Analyst for 1924. J. F. Liverseege, 337. Birmingham City of -. City Analyst’s Report for the First Quarter 1925. J. F. Liverseege 446. Birmingham City of - Report of the City Analyst for the T h i h Quarter 1924. J. F. Liverseege 67. Birmingham City of -. Report of the City Analyst for the Fourth Quarter 1924. J. F. Liverseege 184. Birmingham City of -.Report of the City Analyst for the Second Quarter 1925. J. F. Idverseege 502. Birmingham City of -. Report of the City Analyst for the Third Quarter 1925. J. F. Liverseege 605. Bismuth Lead ores ; Determination of -in. V. Hassreidter 152. Bismuth Pyrogallol ; Determination of -and its separation from lead by. F. Feigl and H. Ordelt 252. Biological Determination Insulin ; - of. Bismuth Subnitrate Oxalic acid in qualitative analysis by - ; Elimination of. A. Keschan, 579. Bismuth Subnitrate Phosphoric acid in quali-tative analysis by - ; Elimination of. A. Keschan 200. Bisulphate High temperature baths ; Fused - as a medium for. E. Benesch 419. Biuret Reaction Glycerol on the - ; Inter-fering effect of. F. B. Seibert and E. R. Long 470.Blackberry Non-Volatile acids of the -. E. K. Nelson 191. Blood Aldehyde in - . Nature of the variations of. R. Fabre i47. Blood Carbon monoxide in - ; Normal occurrence of. M. Nicloux 82. Blood Cells Lead on - - Effect of. J. C. Aub P. Reznikoff and D.’E. Smith 83. Blood Cholesterol in whole - or -serum ; Modification of Bloor’s method for the determination of. G. E. Sackett 412. Blood Films Stain for -; Useful. A. K. Gordon 148. Blood Lecithin in - ; Determination of. A. Grigaut 195. Blood Lipoid phosphorus in - and -plasma ; Method for the determination of. J. C. Whitehorn 82. Blood Method Carbon monoxide by the - ; Determination of. Absorption of the gas by haemoglobin in absence of oxygen. M. Nicloux 417. Blood Poisonous gases in - ; Detection of.E. Kohn-Abrest 81. Blood Serum Bloor’s method for the deter-mination of cholesterol in whole blood or - * Modification of. G. E. Sackett 412. Blood Serum Haemolysis ; Influence of -and of sugars on. Blood Sodium benzoate ingestion upon the composition of the - and urine with especial reference to the possible synthesis of glycine in the body; Effect of. W. W. Swanson 197. Blood Sugar - ; Determination of. S. R. Benedict 414. Blood Sugar Determination of - ; Micro method for the. E. Komm 568. Blood Uric acid in the - ; Determination of. S. R. Benedict 415. Bloor’s Method Cholesterol in whole blood or for the blood serum ; Modification of -determination of. G. E. Sackett 412. Body Metabolism Water-cress and -. S. M.Copeman 568. Body Possible synthesis of glycine in the -; Effect of sodium benzoate ingestion upon the composition of the blood and urine with especial reference to the. W. W. Swanson 197. Body Tissues Arsenic in - ; Electrolytic modification of the Gutzeit method for the determination of. W. E. Lawson and W. 0. Scott 414. W. P. Kennedy 467 INDEX TO Bolton County Borough of -. Annual Report of the Public Analyst for 1924. H. Hurst 501. Bondon Cheese Cream cheese ; Sale of - as (Legal Notes). 553. Boric Acid Modifications Nitrogen ; Com-parison of the Gunning-Arnold and Winkler - of the Kjeldahl method for the deter-mination of. K. s. Markley and R. M. Hann 418. Boric Acid Osmosis ; The passage of -through the skin by. Boric Acid Shrimps ; - in (Legal Notes) 552.Borough Analyst County Borough of Salford. Annual Report of the - for 1924. G. D. Elsdon 607. Borough Analyst Stepney ; Metropolitan Borough of. Annual Report of the - for 1924. D. Henville 447. Bottled Peas Zinc in tinned and - (Notes). C. H. Cribb and A. L. Still 286. Bovine Lymphatic Glands Linguatula setrota in -; Occurrence of. A. W. N. Pillers 573. Brandy Cherry - ; Methylated spirit as (Legal Notes) 70. British Chemical Standards Analytical stand-ardisation of - . Points arising from the. C. H. Ridsdale a n i N . D. Ridsdale 425. British Chemical Standards Analytical Stand-ardisation of -; Points arising from the (Notes). C. H. Ridsdale and N. D. Ridsdale, 500. L. Kahlenberg 83. British Engineering Standards 316.Bromide and Chloride of Silver Iodide -; An electrometric study of the separation of the. H. T. S. Britton 601. Bromide Chloride - or thiocyanate in presence of cyanide ; Determination of. E. Schulek 253. Bronzes Phosphorus in phosphor - ; Deter-mination of. L. Lindemann 94. Brown Heart Department of Scientific and Industrial Research. Food Investigation Board. Special Report No. 22. “ - in Australian Apple Shipments. ” 188. Buffer Mixtures Standardised acid or base ; -prepared without the use of. 1. M. Kolthoff, 251. Burette Micro analysis of gas ; - for. J. A. Christiansen 153. Butesin Picrate Anaesthetic antiseptic ; -, a new type of. Butter Air content of -. 0. Rahn and W. Mohr 294. Butter Cacao - ; The glycerides of.K. Amberger and J. Bauch 77. Butter Fat - ; Spontaneous decomposition of. C. A. Browne 144. Butter Fat Determining - ; A new method for. G. Van B. Gilmour 272. Butter Fat Margarine ; The determination of coconut oil and - in. G. D. Elsdon and P. Smith 53. Butter Fat Sulphuric acid reaction of - ; The. N. Sjorslev 145. F. K. Thayer 144. VOLUME L. xxiii Butter Goats’ - * The fat of (Notes). F. Knowles and J. C. Urquhart 180. Butter Goats’ - ; The fat of. H. D. Rich-mond 62. Butter Goats’ - ; The fat of (Notes). H. D. Richmond 285. Butter Old -; Analytical notes on two samples of (Notes). Butyl Alcohol Alkali metals by the use of perchloric acid ; Separation and determina-tion of the. 111. Normal - and ethyl acetate as mixed solvents in the separation and determination of potassium sodium and lithium.F. T. Shutt 64. G. F. Smith and J. F. Ross 307. C Cacao Butter Glycerides of -; The. K. Amberger and J. Bauch 77. Cacao Products Microscopical examination of -. V. A. Pease 37. Cadmium Electrolytic determination of -. E. Biittgenbach 252. Cadmium Ferrocyanide ; Gravimetric deter-mination of - as. Cadmium Spelter and alloys ; Determination of - in (Notes). Cakes Sunflower and safflower. Distinctive features of the seeds and -. Vizern and Guillot 408. Calabar Bean Alkaloids of the - ; Constitu-tion and chemical properties of the. E. Cattelain 193. Calcined Magnesia (Legal Notes) 449. Calcium and Phosphorus Compounds Milk ; Effect of heat on the solubility of the - in.R. W. Bell 466. Calcium. Cows’ milk ; Direct precipitation of - in. Calcium Hydrogen Carbonate Total carbonic acid in dilute solutions of - or in hard waters ; Volumetric determination of. E. M. Crowther and W. S. Martin 32. Calcium Magnesium ; Separation of - and. G. Luff 252. Calcium Oxalate Urine deposits ; Unusual crystalline forms of - in. B. Bardach, 468. Calomel Ointment Mercurous chloride ; -deficient in (Legal Notes) 611. Calorimeter Energy values of fuels foods etc. ; The oxy- - for the determination of the. F. G. Benedict and E. L. Fox 640. Candelilla and other Vegetables Waxes - ; Analysis of. A. Leys 355. Cane Sugar Condensed milk ; Determination of - in; K. Scheringa 625. Canned Crustacea Indole content of -.D. B. Dill and P. B. Clark 413. Canned Food Discoloration of -. A. E. Stevenson 512. Canned Foods Hydrogen sulphide in bacterial cultures and in certain - ; Determination of. C. R. Fellers 0. E. Shostrum and E. D. Clark 81. G. Luff 418. W. R. Schoeller 18. C. S. Rothwell 562 xxiv INDEX TO Cape Aloes Active constituents of - ; The. H. Kiefer 566. Carbohydrates Glucose and other - ; Direct method for the determination of. E. Knecht and E. Hibbert 27. Carbohydrates Tannin and - ; Nature of the reaction between. Part I. H. B. Stocks and C. V. Greenwood 564. Carbon Dioxide Absorbent Ascarite a -, as its own dryer ; Test of. F. W. Marsh 417. Carbon Dioxide Carbon monoxide ; Deter-mination of - and of. P. Lebeau and P. Marmasse 472. Carbon Error Nickel and iron from complex oxalate electrolytes ; The - in the quanti-tative deposition of.P. K. Frolich 224. Carbon Error Nickel and iron from complex oxalate electrolytes ; The - in the quan-titative deposition of. (Notes). P. K. Froh-lich 444. Carbon Monoxide Absorption of -; On the. Part 1. A critical comparison of some methods employed in gas analysis. Part 11. Advantages oi using hot reagent. H. R. Ambler and T. C. Sutton 167. Carbon Monoxide Alkaline pyrogallol solutions : The absorption of oxygen and liberation of -by. T. J. Drakeley and H. Nicol 578. Carbon Monoxide Blood method ; Deter-mination of - by the. Absorption of the gas by haemoglobin in absence of oxygen. hl. Nicloux 417. Carbon Monoxide Blood ; Normal occurrence of - in.M. Nicloux 82. Carbon Monoxide Carbon dioxide and of -Determination of. P. Lebeau and P. Mar-masse 472. Carbon Organic compounds ; Rapid method for determining - in. H. D. Wilde junr., and H. L. Lochte 198. Carbon Organic substances ; Determination of - in. A Desgrez and R. Vivario 249. Carbon Residue Test Lubricating oils ; The - for. Carbon Trichloride Anthelmintic ; - as an. M. C. Hall and E. 13. Cram 628. Carbonic Acid Dilute solutions of calcium hydrogen carbonate or in hard waters ; Volumetric determination of total - in. E. M. Crowther and W. S. Martin 32. Castx Oil Free fatty acids in - - The increase of (Notes). Catalytic Dehydrogenation Alcohols ; An ap-paratus for the - of. S. G. Willimott 13. Catalytically Active and Inactive Forms Ferric oxide ; - of.L. A. Welo and 0. Baudisch, 569. Catechol Derivatives Pyrogallol and - : The influence of hydrogen ion concentration on the colorimetric determination of. S. Glasstone 49. Cathode Electrolysis with the dropping mer-cury - ; Applications of the method of. J. Heyrovsky 94. Cells Argon in living - ; Presence of. A. Pictet W. Scherrer and L. Helfer 516. W. M. Seaber 354. W. Partridge i84. VOLUME L. Cells Lead on blood - ; Effect of. J. C. Aub P. Reznikoff and D. E. Smith 83. Cellulose Copper number of - ; Determina-tion of the. E. Benesch 149. Cellulose Materials Copper numbers of - ; Determination of the. C J. Staud and H. L. B. Gray 471. Cellulose Wood ; Modified method of deter-mining - in.G. J. Ritter 87. Celtium Zirconium ; Separation of -(hafnium) from. J. Bardet and C. Toussaint, 419. Cerium Potentiometric determination of -. 0. TomiEek 360. Cerium Reaction of - ; Sensitive dif-ferential. L. Fernandes 638. Characteristic Reaction Luminal (Gardenal) ; - for. F. Ranwez 465. Charred Documents - ; The Examination of. C. A. Mitchell 174. Chaulmoogra Oil - ; Investigation of. T. Hashimoto 566. Cheese Air made toxic by - (Notes). A. J. Parker 446. Cheese Bondon - as cream -; Sale of (Legal Notes) 553. Cheese " Cheshire " - Dutch (Legal Notes) 290. Cheese :, " Cream Cheshire - " and '' Cream - (Legal Notes) 402. Chemical Action micro-organisms especially in yeast; Measurement of - in. T. Bokorny 195. Chemical Change Irradiated cholesterol and phytosterol ; Antirachitic value of.111. Evidence of - as shown by absorption spectra. A. F. Hess and M. Weinstock 411. Chemical Constitution Antiseptic power ; -and. T. Sabalitschka 31. Chemical Examiner Government of Madras. Report of the - for the Year 1924 449. Cheplical Standards Analytical standardisa-tion of British - ; Points arising from the. C. H. Ridsdale and N. D. Ridsdale 425. Chemical Standards Analytical Standardisation of British -; Points arising from the (Notes). C. H. Ridsdale and N. D. Ridsdale, 500. Chemical Structure Bactericidal power and -. F. Ishiwara 518. Cherry Brandy Methylated spirit as -(Legal Notes) 70. '' Cheshire '' Cheese - ; Dutch (Legal Notes) 290. Cheshire Cheese " Cream Cheese " ; " Cream - and (Legal Notes) 402.Chicory " French Coffee " with disclosure of - (Legal Notes) 290. Chinese Wood Oil Oxidation of -. F. H. Rhodes and T. T. Ling 354. Chloramine Iodine in analytical work ; -as a substitute for. A. Noll 34. Chlorates Chloric acid and - by ferrous sulphate ; The reduction of. C. 0. Harvey, 538 INDEX TO VOLUME L. xxv Chloric Acid Ferrous sulphate ; The reduction of - and chlorates by. C. 0. Harvey 538. Chloride - bromide or thiocyanate in presence of cyanide ; Determination of. E. Schulek 253. Chloride of Silver Separation of the iodide, bromide and -; An electrometric study of the. Chlorinated Milk Albino rat ; Effect of -on the. Chlorine Air ; Continuous conductivity method of measuring small concentrations of -in.T. B. Hine 96. Chlorine Benzaldehyde and cinnamic aldehyde; Determination of - in. T. H. Faust and T. Spangler 636. Chlorine-Lactose Ratio Chlorine in milk ; The - and determination of. J. Drost 624. Chlorine Milk; The - -lactose ratio and determination of - in. J. Drost 624. Chlorine Milk ; The Rupp method for the detection of - in. J. T. Keister 624. Chlorodyne - ; Sale of (Legal Notes) 133. Chloroform - in - liniment ; Deter-mination of. T. iM. Willgerodt 627. Chloroform Liniment Chloroform in - ; Determination of. T. A I . Wllgerodt 627. Chocolate Eggs Mineral matter in - (Legal Notes) 238. Cholesterol Bloor’s method for the determina-tion of - in whole blood or blood serum ; Modification of. G. E. Sackett 412.Cholesterol Irradiated phytosterol and - ; Antirachitic value of. A. F. Hess M. Wein-stock and F. D. Helman 299. Cholesterol Irradiated - and phytosterol ; Antirachitic value of. 11. Further evidence of change in biological activity. A. F. Hess and M. Weinstock 412. Cholesterol Irradiated - and phytosterol. 111. Evidence of chemical change as shown by absorption spectra. A. F. Hess and M. Weinstock 41 1. Chrome Leather Alumina in - ; Deter-rnination of. D. Woodroffe 86. Chromoscopy Cobalt by spectroscopy and - ; New method for the immediate detection and determination of. G. Denigks 419. Cider Vinegar Dried apples ; - from U.S.-4. Supreme Court Decision (Legal Notes) 185. Cinchonine Cutch and Gambier ; - as a tannin precipitant with special reference to the analysis of.D. Hooper 162. Cineol Colour test for -. E. J. Schorn 192. Cinnamic Aldehyde Benzaldehyde and - * Determination of chlorine in. T. H. Faus; and T. Spangler 636. Citric from Tartaric Acid - ; Differentiation of. W. Parri 86. Citric-Soluble Phosphate Fertilisers ; - in (Legal Notes) 401. Citrullus Vulgaris Oil; Seeds of - as a source of. 462. Citrus Pectin. H. D. Poore 347. City Analyst City of Birmingham. Annual Report of the - for 1924. J.F.Liverseege 337. H. T. S. Britton 601. J. W. Read 518. City Analyst City of Birmingham. Report of the - for the Third Quarter 1924. J. F. Liverseege 67. City Analyst City of Birmingham. Report of the - for the Fourth Quarter 1924. J. F. Liverseege 184. City Analyst City of Birmingham.Report of the - for the Second Quarter 1925. J. F. Liverseege 502. City Analyst City of Birmingham. Report of the - for the Third Quarter 1925. J. F. Liverseege 605. City and County of Kingston-upon-Hull -. Annual Report of the Public Analyst and Bacteriologist for 1924. A. R. Tankard 551. City of Birmingham - . Annual Report of the City Analyst for 1924. J.F.Liverseege 337. City of Birmingham - . City Analyst’s Report for the First Quarter 1925. J. F. Liverseege 446. Report of the City Analyst for the Third Quarter 1924. J. F. Liverseege 67. Report of the City Analyst for the Fourth Quarter 1924. J. F. Liverseege 184. Report of the City Analyst for the Second Quarter 1925. J. F. Liverseege 502. City of Birmingham - .Report of the City Analyst for the Third Quarter 1925. J. F. Liverseege 605. Cleavage Products Methaemoglobin in the presence of its - ; Method for determining. J. B. Conant and L. F. Fieser 196. Clerget Divisor Invert sugar and the -; Specific rotation of. Clerget Method - (Inversion coefficients). E. Saillard 513. Coagulation Albumin ; The - of. M. A. Kakusin and A. Rosenfeld 243. Coal Gas Oxides of nitrogen (except nitrous oxide) in small concentration in the products of combustion of - and in air ; The deter-mination of. A. G. Francis and A. T. Parsons, 262. Cobalt Animal kingdom ; Nickel and - in the G. Bertrand and M. Macheboeuf 512. Cobalt Copper iron and - ; New qualitative tests for. M. L. Nichols and S. R. Cooper 358. Cobalt Nickel ; A new colorimetric method for the determination of - in the presence of.B. S. Evans 389. Cobalt Nickel and - in arable land. G. Bertrand and M. Mokragnatz 84. Cobalt Nickel and - in vegetable products. G. Bertrand and M. Mokragnatz 348. Cobalt Nickel and other salts in neutral solution; Detection of - occurring separately or in presence of. S. J. Jindal 305. Cobalt Spectroscopy and chromoscopy ; New method for the immediate detection and deter-mination of - by. Cobalt Vital factors in soils plants and animals ; Copper manganese zinc nickel and - as. J. S. McHargue 409. City of Birmingham - . City of Birmingham - . City of Birmingham - . F. W. Zerban 294. G. Denigks 419 xsvi INDEX TO Cocaine System ; Elimination of - from the.M. Walrand 521. Coconut Fatty acid constituents of some natural fats ; The. I. The oils from the - . E. F. Armstrong j. Allan and C. W. Moore 191. Coconut Oil Composition of - ; The (Notes). J. Allan 16. Coconut Oil Margarine ; The determination of - and butter fat in. G. D. Elsdon and P. Smith 53. Cod Liver Oil Antirachitic substance in - to reagents ; Resistance of the. C. E. Bills 410. Cod Liver Oils Vitamin potency of -. A. D. Holmes 80. Coffee Chicory ; " French - " with disclosure of (Legal Notes) 290. Collodion Membrane Ultra-Filter - ; A. Physico-chemical analysis of solutions. E. Fouard 201. Colloidal Kaolin - ; Properties of. W. J. Pope and R. T. hl. Haines 349. Colloids Ultra-centrifuge ; The. A new instru-ment for the determination of the size of particles in amicroscopic -.T. Svedberg and H. Rinde 95. COlOphony - ; Determination of. J. Davidsohn 356. Colorimetric Methods Small amounts of iron by - ; The determination of. W. 13. Walker, 279. Colorimetric Testing Flour ; Rapid - of. P. Bruhre 294. Colour Reaction Alcoholic hydroxyl group ; -of the. W. Parri 86. Colour Reaction Cystine by a - ; Identifica-tion of. G. Denigks 567. Colour Reaction Ergot ; - of. W. P. H. van den Driessen Mareeuw 515. Colour Reaction Magnesium ; Sensitive - for F. L. Hahn H. Wolf and S. Jager 35. Colour Reactions Cryogenine with the heavy metals ; - of. L. Bornet 34. Colour Test Aniline and toluidine; - for. H. D. Murray 149. Colour Test Cineol ; - for. E. J. Schorn, 192.Colour Test Grignard reagent ; Quantitative - for the. H. Gilman and F. Schulze 523. Colouring Matters Italian Regulations on -. 189. Colouring Matters Ministry of Health. Use of Preservatives and - in Food 134. Colours Vegetable - ; Fluorescence of. L. Meunier and A. Bonnet 641. Complex Oxalate Electrolytes Quantitative deposition of nickel and iron from -; The carbon error in the. Complex Oxalate Electrolytes Quantitative deposition of nickel and iron from - * The carbon error in the (Notes). P. K: Frolich 444. Concentration Protoin ; Enzymatic synthesis of. 1V. Lffect of - on peptic synthesis. H. Borsook and H. Wasteneys 350. P. K. Frolich 224. VOLUME L. Concord Grape Strawberry pineapple rasp-berry and - Non-Volatile acids of the.E. K. Nelson 295. Condensed and Desiccated Milk milk - ; A contribution to the analysis of. H. Hurst, 438. Condensed Milk Cane sugar in - ; Deter-mination of. K. Scheringa 625. Condensed Milk Fat in - ; Determination of (Notes). J. McCrae 236. Condensed Milk Regulations - ; Summons under the (Legal Notes) 289. Condensed Milk Sucrose in - ; Polarimetric determination of. G. Jorgensen 143. Coqdensed Milks Fat in - ; The determina-tion of (Notes). Conductivity Method Chlorine in air ; Con-tinuous - of measuring small concentral tions of. T. B. Hine 9G. Conserves Pectin and agar-agar ; The adul-teration of - with special reference to. J. King 371. Constant-Level Regulating Device. R. L. Stehle 362. Continuous Extraction Apparatus.A. Vieho-ever 153. Convention Dangerous Drugs - 188. Cooeg Utensils Ministry of Health. Solu-bility of Glazes and Enamels Used in -. Reports on Public Health and Medical Subjects. G. W. Monier-Williams 133. Copper - iron and cobalt ; New qualitative tests for. M. L. Nichols and S. K. Cooper, 358. Copper Iron pyrites ; Determination of -in. T. Heczko 579. Copper Mercury; Separation of - from. G. Spacu 580. Copper Number Cellulose ; Determination of the - of. E. Benesch 149. Copper Numbers Cellulose materials ; Deter-mination of the - of. C. J. Staud and H. L. B. Gray 471. Copper Oxide Combustion with - ; Gaso-metric determinations by means of. J. Svkda 90. Copper Pipes Water upon - ; Action of. J. C. Thresh 248. Copper Reducing agent in the determination of iron; - as a.Copper Salts Vegetables artlficially coloured with - ; The absorption of copper during the digestion of. J. C. Drummond 481. Copper Sensitive tests for -. G. Spacu 580. Copper Sulphate Agriculture ; - in. E. Cerasoli 84. Copper Vegetables artificially coloured with - salts; The absorption of-during the digestion of. J. C. Drummond 481. Copper Vital factors in soils plants and animals ; - manganese zinc nickel and cobalt as. Copper Water on- ; Action of. H. Hen-stock 352. Copper Wine; Determination of - and zinc in. C. Von der Heide 296. R. W. Sutton 17. 3. M. Hendel 91. J. S. McHargue 409 INDEX TO VOLUME L. xxvii. Cordials Benzoic acid in - etc. ; Colori-metric determination of. Cotton Linen and Wood Fibres paper pulp ; The quanbtative determination of - in.W. DicEson 317. Cotton Seed Oil Test Halphen’s - (Notes). F. F. Shelley 132. Cotton Tests for oxycellulose and for the oxidising attack of -; Value and inter-pretation of. C. Birtwell D. A. Clibbens, and €3. P. Ridge 150. County Analyst County of Kent. Report of the - for the Fourth Quarter 1924. F. W. Arnaud 287. County Borough of Salford - . Annual Report of the Borough Analyst for 1924. G. D. Elsdon 607. County of Kent - . Report of the County Analyst for the Fourth Quarter 1924. F. W. Arnaud 287. Court Expert Witnesses in - ; The presence of 241. Cows’ Milk Calcium in - ; Direct precipita-tion of. Cream Cheese Bondon cheese as - ; Sale of (Legal Notes) 553.Cream Cheese ‘‘ Cream Cheshire cheese ” and - (Legal Notes) 402. Creatinine Jaffe’s reaction for - ; Chemistry of. 11. Mect of substitution in the -molecule and a possible formula for the red tautomeride. I. Greenwald 350. (Cresol Red) Indicator - by serum in the spectrophotometric determination of the PH ; The adsorption of. E. F. Hirsch 256. Cresol Red Salt error of -. W. D. Ramage and R. C. Miller 354. Critical Tables International - ; The 292. Crustacea Canned - ; Indole content of. D. B. Dill and P. R. Clark 413. Cryogenine Heavy metals ; Colour reactions of - with the. Cryostat Temperatures extending to - 180°C. ; A -for. J.E.Walters and A.G.Loomis 582. Crystalline Digallic Acid Precipitant ; - as a (Notes). M. Nierenstein 604.Crystalline Forms Calcium oxalate in urine deposits ; Unusual - of. B. Bardach 468. Crystallised Lecithins Katural - ; Isolation of. H. H. Escher 626. Crystallose P-sulphamino-benzoic acid in sac-charin and - ; Detection and deter-mination of. I. M. Kolthoff 465. Culture Media PH of - under sterile con-ditions ; Adjustment of. L. M. Christensen and E. I. Fulmer 630. Cultures Silica-gel for bacteriological - ; Rapid method of preparation of. M. Souleyre, 629. Cupferron Tantalum and niobium by -, and their separation from iron ; Precipitation of. H. Pied 36. Custard Lgg; - without (Legal Notes) 19. Cutcn Cinchonine as a tannin precipitant with special reference to the analysis of - and Gambier. D. HooDer. 162. A. J. Jones 563. C. S. Rothwell 562.L. Bornet 34. Cyanamide - ; Determination of. L. A. Pink 357. Cyanide Chloride bromide or thiocyanate in presence of - ; Determination of. E. Schulek 253. Cyanides “ Alliols ” ; Detection of organic -in. L. Desvergnes 348. Cystine Colour reaction Identification of -by a. G. Denighs 567. Cysts Bacteria and other particulate matter ; Penetration of fruits and vetables by. Resis-tance of bacteria protozoan - and helminth ova to common disinfection methods. R. G . Mills C. L. Bartlett and J. F. Kessel 571. D D.M. Index Arsenobenzenes ; The value of the - for. Dairy . Food Commissioner ; Minnesota State - and. Twentieth Biennial Report 1924. 511. Dairy Products Ps value of - by Biilmann’s quinhydrone electrode ; Measurement of.V. Lester 37. Dangerous Drugs Bill. 462. Daylight-Spectacles - (Notes). H. Weisz, 605. Decay Wood ; The diagnosis of - in. E. E. Hubert 299. Dehydrothio-p-Toluide Sulphonic Acid - ; Analysis of. Denig8s-Grimbert-Lecl8re Reaction Adrenaline in suprarenal powders by an application of the - Determination of. 0. Bailly 78. Densities National Physical Laboratory. Metrology Department. Verification of weights Testing of Balances Determination of -. 291. Department of Health Government of Palestine. Annual Report of the - for the Year 1923. 22. Department of Health New Zealand -. Regulations under the Sale of Foods and Drugs Acts 1908. 30th June 1924. 140. Department of Public Health New South Wales. -. Annual Report of the Government Analyst for the Year 1923.T. Cooksey 73. Department of Scientific and .Industrial Re-search - Food Investigation Board. Special Report No. 21. The I ‘ gas ” content and ventilation of refrigerated holds carrying apples. 187. Department of Scientific and Industrial R e search - . Food Investigation Board. Special Report No. 22. “Brown Heart in Australian Apple Shipments. ” 188. Department of Scientific and Industrial Re search - . Report of the Food Investiga-tion Board for the Year 1923. Desiccated Milk Milk condensed and - ; A contribution to the analysis of. H. Hurst, 438. Detergent Efficiencies Soaps ; Test for com-Daring - of. A. Valeur and L. Launoy 193. H. R. Lee and D. 0. Jones 88. 71. R. M. Chapin 355 xxviii INDEX TO VOLUME L.Device Regulating - ; Constant-Level. R. L. Stehle 362. Devitrification Laboratory silica ware Elini-ination of surface - on. F. C. Vilbrandt, 527. Dextran Wines and its consequences ; Pre-sence of - in. Dextrose and Fructose Ratio Honey ; The -in. A. Gronover and E. Wohnlich 191. Dialyser Rotary -. A. Astruc and E. Canals 476. Disstatic Activity Saliva ; Influence of different substances on the - of. H. Walker 466. Diastatic Power Polarimetic method ; Effect of hydrogen ion concentration on the determin-ation of - by the. Dichromate Method Glycerol ; Modified -for the determination of. H. R. Bennett 33. Diethylphthalate - ; Detection of. S. Levinson 626. Diethylphthalate Tests for - ; Studies of. H. Leffmann and M. Trumper 626.Differential Electro-titration. D. C. Cox 581. Differential Reaction Cerium ; Sensitive -of. L. Fernandes 638. Digallic Acid Precipitant ; Crystalline - as a (Notes). hI. Kierenstein 604. Digestibility Proteins and mineral constituents of milk Influence of Pasteurisation on the - of the. E. F. Terroine and H. Spindler, 245. Dihydroxystearic Acid Oleic acid as - ; Determination of. A. Lapworth and E. N. Mottram 470. Diligence “ Reasonable - ” ; The Question of (Legal Kotes) 337. .Dilute Mineral Acid Monosaccharides by means of - ; Condensation of. P. A. Levene and R. Ulpts 463. Dilution Whisky with notice of - ; Sale of (Legal Notes) 133. Discoloration Canned food ; - of. A. E. Stevenson 512. Disinfection Methods Fruits and vegetables by bacteria and other particulate matter ; Pene-tration of Resistance of bacteria protozoan cysts and Helminth ova to common -R.G. hIills C. L. Bartlett and J. F. Kessel; 571. Dissolved Oxygen - ; Determination of. J. N. Friend 248. Documents Artificially aged - (Notes). 0. A. Mendelsohn 287. Documents Charred - ; The examination of. C. A. Mitchell 174. Domesticated Animals Bacilli pathogenic to man; - as sources of. W. G. Savage 572. Dominion Laboratory New Zealand. Fifty-Seventh Annual Report of the -. Double Halogeedes Metals as - with pyridine antqyrine pyrazole or aniline ; Identification of. I. h1. Kolthoff and H. Hamer 90. Dough Flour and - and their products and in so-called ‘ r improvers ”; Detection of benzoyl peroxide in.S. Rothenfusser 243. A. Vasseur 296. H. C. Gore 143. 340. Dried Milk Ministry bf Health. - . Statn-tory Rules and Orders 1923 No. 1323. Public Health England 343. Dropping Mercury Cathode Electrolysis with the - ; Applications of the method of. J. Heyrovsky 94. Drugs Bill ; Dangerous -. 462. Drugs Convention ; Dangerous -. 188. Drugs Tannin ; Identification by chemical methods of - containing. A. H. Ware, 564. Drunkenness Methylated spirit ; - from (Legal Notes) 504. Dryer Carbon dioxide absorbent as its own - ; Test of As,Farite a. F. W. Marsh 417. Dutch “ Cheshire cheese (Legal Notes) 290. Dyed Oranges (Notes). J. F. Liverseege 183. Dyeing Property tomatoes; - of (Notes). Dyes Shoe -; Poisoning by. C. W. 14. E. Burgess 131. Muehlberger 468.E Earths Rare - from uranium ; Separation of. Alkali uranylsalicylates. G. Canneri and L. Fernandes 35. Earths Zirconium and the tervalent rare - ; Separation of thorium from. L. Fernandes 253. Egg Custard without - (Legal Kotes) 19. Egg-Yolk Benzoic acid in - ; Determination of. T. Grethe 242. Egg Yolk Fluorine in -. H. Ulex 626. Egg Yolk Solvents ; Separation of - into fractions by. M. A. Rakusin and G. Pekar-skaja 242. Egg Yolk Stains - ; Identification of. Barthe 522. Eggs Antiscorbutic properties of -. S . 31. Hauge and C. W. Carrick 411. Eggs Preserved - ; Bacterial flora of. H. Popp 631. Eggs Shells of - on keeping ; Modifications in the transparency of the. A. M. Leroy 25. Eggs Total solids in -; Rapid routine method for the determination of.R. Hertwig and L. H. Bailey 406. Eggs Vitaniin-A content of fresh -. J. C: Murphy and D. B. Jones 298. Electric Furnaces Mercury poisoning from -. Electro-Titration Differential -. D. C. Cox, 581. Electrode Oxidations or reductions ; Porous - for. M. Knobel 527. Electrode PI value of dairy products by Biilmann’s quinhydrone - ; Measurement of. V. Lester 37. Electrolysis Dropping mercury cathode ; Applications of the method of - with the. J. Eleyrovsky 94. Electrolysis Rapid - ; Economic anode for. A. Lassieur 96. L. Jordan and W. P. Barrows 84 INDEX TO VOLUME L. xxix Electrolytes Nickel and iron from complex oxalate - ; The carbon error in the quantitative deposition of. P. K. Frolich, 224. Electrolytes Nickel and iron from Complex oxalate - ; The carbon error in the quantitative deposition of (Notes).I?. K. F’roiich 444. Electrolytic Hydrogen Oxygen and nitrogen in commercial - ; Determination of. W. Steuer 525. Electrolytic Modification Arsenic in body tissues ; - of the Gutzeit method for the determination of. W. E. Lawson and W. 0. Scott 414. Electrolytic Separation Lead and tin ; - of. A. Lassieur 35. Electrometric Method Hydrogen ion concen-tration; A modified - for the deter-mination of. s. Glasstone 323. Electrometric Study Iodide bromide and chloride of silver ; An - of the separation of the. H. T. S. Britton 601. Electrometric Titration Antimony and tin by potassium dichromate ; - of. M. H. Fleysher 94. Electrometric Titration Hydrazine and its salts ; - of.E. C. Gilbert 94. Emmenagogue Pills Misbranding of -(Legal Notes) 238. Emulsin of Almonds Enzymes present in the -; Two new. M. Bridel 628. Emulsions Size of particles in - ; Method for the determination of the distribution of E. 0. Kraemer and A. J. Stamm 95. Enamels Ministry of Health. Solubility of Glazes and - Used in Cooking Utensils. Reports on Public Health and Medical Subjects. G. W. Monier-Williams 133. Energy Values Foods fuels etc.; The oxy-calorimeter for the determination of the - of. F. G. Benedict and E. L. Fox 640. Engineering Standards - ; British 316. Enzymatic Synthesis Protein ; - of. IV. Enzymatic Synthesis Protein ; - of. v. Effect of concentration on peptic synthesis. H.Borsook and H. Wasteneys 350. Note on the synthesising action of trypsin. H. Wasteneys and H. Borsook 351. Enzyme Action - ; Studies on. XXX. Comparative study of characteristic lipase actions of tissues of different animals and of some human tissues. K. G. Falk H. M. Noyes and K. Sugiuta 194. Enzymes Emulsin of almonds ; Two new - present in the. Enzymic Activity Pancreatic and malt amy-lases ; Temperature coefficients of - and heat destruction of. D. H. Cook 569. Epidemic Ice cream; An - of scarlet fever spread by. G. H. Ranisey 574. Ergot Colour reaction of -. W. P. H. van den Driessen Mareeuw 515. RI. Bridel 628. &got of Rye TheraDeutic value of extract Errata 1925-202 435 426 428 541 582 and 588. Error Cresol red ; Salt - of. W.D. Ramage and R. C. Miller 354. Essential Oils Phenols in - ; New method for the rapid determination of. L. Reti 302. Essential Oils Vapours of vegetable oils, - their constituents and similar com-pounds ; Semi-selective antiseptic effect of. 0. Schobl 467. Ether Commercial - ; Toxic action of. E. Remy and F. Neuhart 198. Ethyl Acetate -4lkali metals by the use of perchloric acid ; Separation and determina-tion of the. 111. Normal butyl alcohol and - as mixed solvents in the separation and determination of potassium sodium and lithium. G. F. Smith and J. F. Ross 307. Ethyl Alcohol Ethyl phthalate in --; Detection of. J. T. Raleigh and S. U. Marie, 192. Ethyl Phthalate Ethyl alcohol ; Detection of - in. J. T. Raleigh and S. U. Marie 193. Excreta Rats on a diet low in this factor ; Vitamin B in - of.W. D. Salmon 628. Expert Witnesses Court ; The Presence of - in 241. Explosion Method Peroxide fusions ; - for. W. F. Muehlberg 473. F Faecal Pollution Test for lactose fermenters &S an indicator of - of waters; Fallacy of the. 0. Schobl and J. Ramirez 630. False Santonicas True and -. T. E. Wallis and E. J. Mowat 566. Fat Condensed milk ; Determination of --in (Notes). J. McCrae 236. Fat Condensed milks ; The determination of - in (Xotes). It. W. Sutton 17. Fat Goats’ butter; The - of. H. D. Richmond 02. Fat Goats’ butter ; The - of (Notes H. D. Richmond 285. Fat Goats’ butter; The - of (Notes). F. Knowlcs and J. C. Urquhart 180. Fat Petroleum ; The - of algae in relation to.J. Marcusson 4 16. Fat-Soluble Vitamins - . XX. Modified technique for the determination of Vitamin A . H. Steenbock M. T. Kelson and A. Black, 78. Fat-Soluble Vitamins - . XXI. Observations bearing on the alleged induction of growth-promoting properties in air by irradiation with ultra-violet light. E. 31. Nelson and H. Steenbock 194. Fats Acetyl values of -; Simple and rapid method for the determination of. E.A Andrb 302. T. von Fellenberg 245. - - Fats and Oils Rancidity in - ; Detection of. A. Goris Lnd A. Liot 193. 6f -xxx INDEX TO VOLUME L. Fats Insoluble volatile acids from -; The analytical value of the melting point of the. G. Van B. Gilmour 119. Fats Lecithin in -. E. Roedtker 513. Fats Natural - ; The fatty acid con-stituents of some.11. Palm kernel oil. E. F. Armstrong J. Allan and C. W. Moore, 244. Fats Oils and - ; Volumetric determination of certain unsaturated constituents of. H. P. Kaufmann 577. Fats Oxidation ; Measurement of the sus-ceptibility of to. G. R. Greenbank and G. E. Holm 463. Fats Rancidity of -; The. H. E. Fierz-David 244. Fats Vitamin A in other - ; Inactivating action of some - on. L. S. Fridericia 146. Fatty Acid Constituents Natural fats ; The - of some. I. The oils from the coconut. E. F. Armstrong J. Allan and C. W. Moore, 191. Fatty Acid Constituents Some natural fats ; The - of. 11. Palm kernel oil. E. F. Armstrong J. Allan and C. W. Moore 244. Fatty Acid Series Insecticidal properties of the-. E. H. Siegler and C. H. Popenoe 303.Fatty Acids Caster oil ; The increase of free - in (Notes). Mi. Partridge 284. Fatty Acids Human subcutaneous fat ; -in. H. C. Eckstein 517. Fatty Acids Natural unsaturated - ; Con-stitution of Part 11. Some acids present in a South Georgian whale oil. E. F. Armstrong and T. P. Hilditch 303. Fatty Acids Unsaturated - ; X-ray method of following the oxidation of. J. J. Tillat 641. Fehling’s Solution Reducing sugars ; Prepara-tion of - for the volumetric determination of. J. H. Lane and L. Eynon 244. Fermentation Products Mannitol-forming bac-teria ; - of certain. H. R. Stiles W. €1. Peterson and E. B. Fred 519. Fermenters Faecal pollution of waters ; Fal-lacy of the test for lactose - as an indicator of. 0. Schijbl and J. Ramirez 630.Ferric Casse M-ines ; Characterisation and evaluation of - in. P. blalzevin and J. C. Essner 77. Ferric Citrate Precipitation Test Tannins ; Modifications of the - for (h-otes). A. H. Ware 335. Ferric Iron Alloxantin reaction for -; The. G. Denigh 199. Ferric Oxide Catalytically active and inactive forms of -. L. A. Welo and 0. Baudisch, 569. Ferric Oxide Insoluble silicates ; Determina-tion of - in. 0. Hackl 526. Ferrocyanide Cadmium as - ; Gravi-metric determination of. G. Luff 418. Ferrous sulphate Chloric acid and chlorates by - ; The reduction of. C. 0. Harvey 538. Ferrous Tartrate Reagent Mitchell’s - in qualitative analysis; The use of. A. H. Ware 127. Ferrovanadium Vanadium in - ; Deter-mination of. Koch 418. Fertilisers and Feeding Stuffs Advisory Com-mittee Report of the - 557.Fertilisers Citric-Soluble phosphate in -(Legal Notes) 401. Fever Ice-cream ; paratyphoid - traced to. G. P. Kinloch 632. Fig Tree (Gondang) Wax - . A. J. Ultee 87. Films Blood -; Useful stain for. A. K. Gordon 148. Filter Apparatus Glass -. P. H. Prausnitz, 440. ; Composition of. Fish Fresh fried -K. Kobert 142. ; On certain new Fish Urine and in -methods for the determination of small quantities of arsenic and its occurrence in. H. E. Cox 3. Flesh Alcohol; Detection of putrefying -by means of. Luttge and Mertz 190. Flies Food poisoning traced to -; An outbreak of 556. Flour Benzoperoxide (benzoyl peroxide) in - ; Delicate test for. F. Kirchhof 406. Flour Renzoyl peroxide in - and dough and their products and in so-called “ im-provers ” ; Detection of.S. Rothenfusser 243. Flour Colorimetric testing of - ; Rapid. P. Bruhre 294. Flowmeter Stopcock orifice -. J. Sharp, 475. Fluids Ultra-violet irradiation ; Antirachitic properties imparted to inert - and to green vegetables by. A. F. Hess and M. Weinstock 146. Fluorescence Purity in organic compounds ; - as a criterion of. E. Bayle and R. Fabre, 256. L. hleunier and A. Bonnet 641. Fluorine Baking powder ; Volatilisation method for the determination of - in. J. K. Morton 29. Fluorescence Vegetable colours ; - of Fluorine Egg yolk; - in. H. Ulex 625. Fluorine Small quantities of - ; Detection and determination of. H. J. Meyer and W. Schulz 637. Food and Drugs Analysis Abstracts 1925-25 76 142 €90 242 294 347 406 462, 512 562 624.Food Canned -; Discoloration of. A. E. Stevenson 512. Food Chemistry Ultra-violet spectroscopy to -. Application of. R. Dietzel and K. Taiufil 308. Food Commissioner’ Minnesota State Dairy and -. Twentieth Biennial Report 1924, 511. Food Inspection Decisions United States Department of Agriculture. - 196 and 197 562. Food Investigation Board Department of Scientific and Industrial Research. Report of the - for 1923 71 INDEX TO VOLUME L. xxxi Food Investigation Board Department of Scientific and Industrial Hesear:! -. Special Report No. 21. The “ gas content and ventilation of refrigerated holds carrying apples 187. Food Investigation Board Department of Scientific and Industrial Research.-Special Report No. 22. “Brown fieart in Australian Apple Shipments,” 18s. Food Ministry of Health Milk and Dairies (Consolidation Act) 1915 Circular 612 ; Preservatives etc. in - - Statutory Rules and Orders 192.5 775 ; Public Health (Preservatives etc. in -) Regulations 1925 Circular 606 453. Food Ministry of Health. Use of Preservatives and Colouring Matters in - 134. Food Poisoning Flies ; An outbreak of -traced to 556. Food Poisoning Medical Research Council ; - A Study of 100 Recent Outbreaks 341. Food Poisoning Medical Research Council. lnvestigation of the Salmonella Group with Special Reference to - 239. Food Products Hydrogen sulphide in protein-aceous - * Method for the determination of. L.H. Aimy 349. Food Whole and skimmed mill; powders as - . Observations on a new vitamin €or reproduction L. T. Anderegg and V. E. Nelson 351. Foods Bacterial cultures and certain canned - ; Determination of hydrogen sulphide in. C. R. Fellers 0. E. Shostrum and E. D. Clark 81. Foods Energy values of fuels - etc. ; The oxy-calorimeter for the determination of the. I;. G. Renedict and E. L. Fox 640. Foods Meat - ; Anaerobic bacteria in and their connection with gastro-intestinal dis-turbances. Brekenfeld 80. Foods Sulphur dioxide in -; Determination of. K. K. Jarvinen 513. Foodstuffs Analysis. Peat by the methods of -; Examination of. A. P. Dachnowski, 304. Foodstuffs Glass particles in - ; The occurrence of. Forensic Chemistry Toxicology and -.Formaldehyde Serum proteins ; Mechanism of the interaction of - and. R. R. Henley, 350. Formula Jaffe’s reaction fof creatinine ; Chem-istry of. 11. Effect of substitution in the creatinine molecule and a possible - for the red tautomeride. I. Greenwald 350. Free Fatty Acids Castor oil ; The increase of -in (Notes). W. Partridge 284. “ French Coffee ” Chicory ; - with disclosure of (Legal Notes) 290. Fried Fish Fresh - Composition of. K. A. R. Tankard 393. 74. Fruit Acetaldehyde in the - and other parts of plants ; Occurrence of. C. Griebel 295. Fruit Jelly Pectin in - (Legal Notes) 503. Fruit Juices Lactic acid in - ; Detection of small quantities of: Fruit Products Fruits and - ; Pectin in. H. J. Wichmann 28. Fruits Bacteria and other particulate matter ; Penetration of - and vegetables by.Resistance of bacteria protozoan cysts and helminth ova to common disinfection methods. R. G. Mills C. L. Bartlett and J. F. Kessel, 571. Fruits Fruit products ; Pectin in - and. H. J. Wichmann 28. Fuel Research Board - . Report for Period Ended 31st December 1924. 621. Fuels Energy values of - foods etc. ; The Oxy-Calorimeter for the determination of the. F. G. Benedict and E. L. Fox 640. Furfural Pentose metabolism ; Studies on. I. Colorimetric method for. the determination of Furnaces Electric. - ; Mercury poisoning Fused Bisulphste Medium for high temperature G A. Borntrager 563. . 34. -from. baths; - as a. E. Benesch 419. L. Jordan and W. P. Barrows 54. Galenic Preparations Yohimbine in barks and -- of Yohimhehe ; Determination of.Raymond-Hamet 409. Gallium Germanite ; Analysis of (Determina-tion of germanium arsenic - and molyb-denum). F. W. Kriescl 91. Gallotannin Yeast on - ; Action of. h4. Nierenstein C . W. Spiers and A. C. Hadley, 417. Gambier Cinchonine as a tannin precipitant with special reference to the analysis of cutch and -. D. Haoper 162. (Gardenal) Luminal - ; Characteristic re-action for. F. Ranwez 465. Gas Accurate analysis of small quantities of - ; Apparatus for the. D. S. Chamberlin and D. M. Newitt 475. Gas Analysis Carbon monoxide; On the absorption of. Paht I. A critical comparison of some methods eniployed in -. Part 11. Advantages of using hot reagent. 11. R. Ambler and T.C. Sutton 167. Gas Analysis Oxygen in - ; Xew absorbent for. I>. F. Fiesher 89. ‘’ Gas ” Content Department of Scientific and Industrial Research. Food Investigation Hoard. Special Report No. 21. The -and ventilation of refrigerated holds carrying apples. 187. Gas Micro analysis of ; - Burette for. J. A. Christiansen 153. Gas Oxides of nitrogen (except nitrous oxide) in small concentration in the products of com-bustion of coal - and in air ; The deter mination of. A. G. Francis and A. T. Parsons, Kobert 142. Fructose Hydrolysis of sucrose by invertase from honey ; Influence of glucose and - on the rate of. J . M. Nelson and C. T. Sottery, 76. 262 xxxii INDEX TO VOLUME L. Gases Blood ; Detection of poisonous - in. Gases Organic reactions at the surface of titania.Gasometric Determinations Combustion with copper oxide ; - by means of. J. Svhda, 90. Gastro - Intestinal Disturbances Anaerobic bacteria and their connection wih -. Brekenfeld SO. Gelatin-Forming Substance Total protein in sausages ; Ratio of - to. 0. Luning and S. Gero 347. Germanite - ; Analysis of. (Determination of germanium arsenic gallium and molyb-denum). F. W. Kriesel 91. Germanium Germanite ; Analysis. of (Deter-mination of - arsenic gallium and molyb-denum). F. W. Kriesel 91. Germanium - ; Determination of. E. B. Johnson and L. M. Dennis 252. Germicidal Action Bacteria ; - of different H-ion concentrations on. S. Sierakowski and I;. Milejkowska 195. Glands Linguatula serrata in bovine lymphatic - ; Occurrence of.A. W. N. Pillers 573. Glands Thyroxin in thyroid - and prepara-tions ; Determination of. T. A. Redonnet 465. Glass Filter -4pparatus. P. H. Prausnitz 440. Glass Particles Foodstuffs ; The occurrence of - in. Glazes Ministry of Health. Solubility of -and Enamels Used in Cooking Utensils. Reports on Public Health andMedicalSubjects. G. W. Monier-Williams 133. Glucose Carbohydrates ; Direct method for the determination of - and other. E. Knecht and E. Hibbert 27. Glucose Hydrolysis of sucrose by invertase from honey ; Influence of - and fructose on the rate of. J. M. Kelson and C. T. Sottery 76. Glucose Maltose in the presence of -; Determination of. Glucosides Navel orange ; - of the. J. A. Hall 295. Glycerides Cacao butter ; The - of.K. Amberger and J. Bauch 77. Glycerol Biuret reaction ; Interfering effect of - on the. F. €3. Seibert and E. K. Long, 470. Glycerol Dichromate method for the deter-mination of - ; Modified. H. B. Bennett, 33. Glycine Body ; Effect of sodium benzoate upon the composition of the blood and urine with especial reference to the possible synthesis of -in the. W. W. Swanson 197. Glycogen - ; Studes on Part I. The nature of yeast - its preparation estimation, and r61e in yeast metabolism A. R. Ling, D. R. Nanji and F. J. Paton 407. Glycuronic Acid Urine ; Quantitative deter-mination of menthol - in A. J. Quick 32. Glycyrrhizin - ; Reactions of. P. Bertolo, 514. E. Kohn-Abrest 81. titania. Adsorption of certain - by F.Bischof and H. -4dkins 253. A. R. Tankard 393. M. P. Nottin 190. Glyoxylic Acid Hydrazine and xanthydrol ; Identification of - by means of. R. Fosse and A. Hieulle 524. Goats’ Butter Fat of - ; The. H. D. Richmond 62. Goats’ Butter Fat of - * The (Notes). F. Knowles and J. C. Urquhkrt 180. Goats’ Butter Fat of - ; The (Notes). H. D. Richmond 285. (Gondang) Wax Fig tree -. A. J. Ultee 87. Government Analyst New South Wales. De-partment of Public Health. Annual Report of the -for the Year 1923. T. Cooksey 73. Government Analyst Queensland. Report of the - for the Year Ended June 30 1924. J. B. Henderson 20. Government Chemist Government Laboratory ; Report of the - upon the Work of the. For the Year Ending March 31st 1925 504. Government Laboratory Government Chemist upon the Work of the - ; Report of the.For the Year Ending March 31st. 1925 504. Government of Madras - . Report of the Chemical Examiner for the Year 1924 449. Government of Palestine - . Annual Report of the Department of Health for the Year 1923 22. Grant’s Test Sparteine ; - for. 5. F. Couch 144. Grape Strawberry pineapple raspberry and Concord - . Non-Volatile acids of the. E. K. Nelson i95. Green Growth Oysters The - on. G. Ranson 145. Green Vegetables Inert fluids and to - by ultra-violet irradiation ; Antirachitic proper-ties imparted to. A. F. Hess and M. Weinstock, 146. Grignard Reagent Colour test for the -; Quantitative. H. Gilman and F. Schulze 523 Growth-Promoting Properties Fat-Soluble vita mms.XXI. Observations bearing on the alleged induction of - in air by irradiation with ultra-violet light. E. M. Nelson and H. Steenbock 194. Gum Tragacanth. W. Peyer 30. Gums Plant - of the South Western United states; Some. E. Anderson L. Sands and N. Sturgis 635. Guncotton Sulphates in - ; The determina-tion of. H. B. Dunnicliff 543. Gunning-Arnold and Winkler Boric Acid Modi-fications Kjeldahl method for the deter-mination of nitrogen; Comparison of the - of the. K. S. Markley and R. M. Hann, 418. Gutzeit Method Arsenic in body tissues ; Electrolytic modification of the - for the determination of. W. E. Lawson and W. 0. Scott 414. H H-ion Concentrations Bacteria ; Germicidal action of different - on. S. Sierakowski and F. Mileikowska 195 INDEX TO VOLUME L.xxxiii Haematoporphyrin Sulphonal poisoning. Local-isation of sulphonal and -. R. Fabre and H. Simonnet 575. Haemoglobin Carbon monoxide by the blood method ; Determination of. Absorption of the gas by - in absence of oxygen. M.-Nicloux 417. Haemoglobin Nitric oxide - ; Post-mortem presence of. Its medico-legal significance. H. A. L. Banham J. S. Haldane and T. Savage 520. Haemolysis Blood serum and of sugars on - ; Influence of. W. P. Kennedy, 467. Haemolytic Proteus Bacillus - ; Study of a. B. S. Kline 571. (Hafnium) Celtium - from zirconium ; Separation of. J. Bardet and C. Toussaint, 419. Hafnium Phosphates of zirconium and - ; Solubilities of the. G. Hevesy and K. Kimura, 637. Halogen Salts Salivary digestion ; Effect of - on.W. M. Clifford 466. A. W. Schorger 471. Halogenides Metals as double - with pyridine antipyrine pyrazole or aniline ; Identification of. I. M. Kolthoff and H. Hamer 90. Halphen’s Cotton seed oil test (Notes) F. F. Shelley 132. Hammersmith Borough Council - . Annual Report of the Public Analyst for 1924. P. A. E. Richards 237. Hard and Soft Resins Hops ; Determination of - in. A. C. Chapman 144. Hard Waters Dilute solutions of calcium hydrogen carbonate or in -; Volumetric determination of total carbonic acid in. E. M. Crowther and W. S. Martin 32. Heat Destruction Enzymic activity and -of pancreatic and malt amylases ; Tempera-ture coefficients of. D. H. Cook 569. Heat Solubility of the calcium and phosphorus compounds in milk ; Effect of - on the.R. W. Bell 466. Heavy Metals Cryogenine with the -; Colour reactions of. L. Bornet 34. Helix Pomatia L. Snail - ; Nutritive value of the. L. Leger 76. Helminth Ova Bacteria and other particulate matter ; Penetration of fruits and vegetables by. Resistance of bacteria protozoan cysts and - to common disinfection methods. K. G. Mills C. L. Bartlett and J. F. Kessel, 571. ‘‘ Hesperidin ” Plants ; The - of certain. 0. A. Oesterle and G. Wander 627. High Temperature Baths Medium for -; Fused bisulphate as a. E. Benesch 419. Histological Reaction Proteins ; New - for. M. Romieu 245. Hochst Test:. Anthracene; The - for the determination of. F. H. Rhodes M. L. Nichols and C. W. Morse 525. Homeria Pallida Transvaal - ; Poisonous alkaloid from the.M. Rindl 85. Homologues Aniline and its - ; Titration of. D. 0. Jones and H. R. Lee 88. Honey Dextrose and fructose ratio in - ; The. A. Gronover and E. Wohnlich 191. Honey Hydrolysis of sucrose by invertase from honey ; Influence of glucose and fructose on the rate of. J. M. Nelson and C. T. Sottery, 76. Honey Noors - ; The problem of. C. F. Juritz 347. Hops Hard and soft resins in -; Deter-mination of. Human Subcutaneous Fat Fatty acids in -. H. C. Eckstein 517. Human Tissues Enzyme action ; Studies on. XXX. Comparative study of characteristic lipase actions of tissues of different animals and of some -. K. G. Falk H. M. Noyes and K. Sugiura 194. Humification Soil organic matter ; Deter-mination of the degree of - of.G. W. Robinson and J. 0. Jones 148. Hydrazine Glyoxylic acid by means of - and xanthydrol ; Identification of. R. Fosse and A. Hieulle 524. Hydrazine Salts ; Electrometric titration of - and its. E. C. Gilbert 94. Hydrochloric Acid Solution Selenium and tel-lurium by sulphur dioxide in - ; Separa-tion of. Hydrocyanic Acid Poisoning ; Detection of -in cases of. Hydrogen Ion Concentration Diastatic power by the polarimetric method ; Effect of - on the determination of. Hydrogen Ion Concentration Modified electro-metric method for the determination of - ; A. S. Glasstone 327. Hydrogen Ion Concentration Pyrogallol and catechol derivatives ; The influence of - on the colorimetric determination of. S. Glass-stone 49.Hydrogen Oxygen and nitrogen in commercial electrolytic - ; Determination of. W. Steuer, 525. Hydrogen Sulphide Bacterial cultures and in certain canned foods ; Determination of-in. C. R. Fellers 0. E. Shostrom and E. D. Clark 81. Hydrogen Sulphide Proteinaceous food products; Method for the determination of - in. L. H. Almy 349. Hydrogen Sulphide Toxicology of -. H. W. Haggard 5 19. Hydrogen Sulphide Zinc and nickel by - . Separation of. A. Kling and A. Lassieur 200: Hydrolysis Proteins ; Methods for the deter-mination of the products of the - of. J. Froidevaux 297. (Hydrosulphite) Sodium hyposulphite - in organic analysis ; Application of. E. Clark, 199. Hydroxyl Group Alcoholic - ; Colour re-action of the. W. Parri 86. A.C. Chapman 144. V. Lenher and C. H. Kao 255. G. Magnm 300. H. C. Gore 143 xxxiv INDEX TO I Ice Cream Paratyphoid fever traced to -. G. P. Kinloch 632. Ice Cream Scarlet fever spread by - ; An epidemic of. G. H. Ramsey 574. Ice Purity of - ; The. Imitation Vanilla essence (Notes). J. C. Mac-laurin 548. “Improvers ” Benzoyl peroxide in fiour and dough and their products and in so-called - ; Detection of. S. Rothenfusser 243. Inactivatirg Action Vitamin A in other fats ; - of some fats on. L. S. Fridericia 146. Index Arsenobenzenes ; The value of the D.M. - for. A. Valeur and L. Launoy 193. Indicator Acidimetry and alkalimetry ; Potass-ium tripyrocatechol ferrate as - in. K. Binder 305. Indicator (Cresol Red) Serum in the spectro-photometric determination of the PH ; The adsorption of - by.D. B. Dill and P. B. Clark 413. Indole Tryptophane by the vanillin and hydrochloric acid reaction ; Colorimetric determination of. Quantitative separation from - and skatole. Industrial Alcohol Sources of -. 404. Inert Fluids Ultra-violet irradiation ; Anti-rachitic properties imparted to - and to green vegetables by. A. F. Hess and M. Weinstock 146. Inert Substances Antirachitic properties to -by ultra-violet irradiation ; Further report on imparting. A. F. Hess and M. Weinstock 298. Ink - ; Analysis of. B. Walther 151. Inorganic Analysis Abstracts 1925 34 89 151, 199 251 304 358 417 472 525 578 636. Inorganic Salts Sugar solutions ; Effect of some - on the polarisation of. R. J. Brown 143.Insecticidal Properties Fatty acid series ; -of the. E. H. Siegler and C. H. Popenoe 303. Insoluble Alkali Metal Perchlorates Alkali metals by the use of perchloric acid ; Separation and determination of the. 11. Precise determina-tion of the -. G. F. Smith and J. F. Ross, 254. Insoluble Silicates Ferric oxide in - ; Deter-mination of. 0. Hackl 526. Insoluble Volatile Acids Fats ; The analytical value of the melting point of the - from. G. Van B. Gilmour 119. Inspector Impeding an - (Legal Notes) 70. Institute of Chemistry of Great Britain and Ire-land 1925 160. Institute of + Chemistry - . Forty-Seventh Annual General Meeting 2nd March 1925, 189. Insulin Biological determination of -. F. Wyss 570. Insulin Trypsin on - ; The action of.D. A. Scott 351. Eternational C;itical Tables - ; The. 292. Invalid Wine Sale of an - (Legal Notes). 0. V. Hubay 631. E. F. Hirsch 256. Indole Content Canned crustacea ; - of. I. Kraus 246. 403. VOLUME L. (Inversion Coefficients) Clerget method -. E. Saillard 513. Invert Sugar Clerget divisor ; Specific rotation of - and the. F. W. Zerban 294. Invertase Hydrolysis of sucrose by - from honey ; Influence of glucose and fructose on the rate of. J. M. Nelson and C. T. Sottery, 76. Iodate Iodide or - ; Determination of small amounts of iodine as. N. A. Lange and L. A. Ward 307. Iodide Bromide and Chloride of Silver Separa-tion of the - ; An electrometric study of the. Iodide Iodine as - or iodate ; Determination of small amounts of.N. A. Lange and L. A. Ward 307. Iodine Iodide or iodate ; Determination of small amounts of - as. N. A. Lange and L. A. Ward 307. Iodine Substitute for - in analytical work Chloramine as a. A Noll 34. Iodine Values - . Rapid determination of. L. W. Winkler 543. Iron Alloys Manganese in - ; Detection of traces of. H. ’ Bosche 359. Iron Cacodylate Toxicity of -. P. Musucci and G. A. Slothower 632. Iron Colorimetric methods ; The deter-mination of small acounts of - by. W. B. Walker 279. Iron Copper - and cobalt ; New quali-tative tests for. M. L. Nichols and S. R. Cooper 358. Iron Filings Tea ; - in (Legal Notes) 553. Iron Nickel and - from complex oxalate electrolytes ; The carbon error in the quantita-tive deposition of. P.K. Frolich 224 Nickel and - from complex oxalate electrolytes; The carbon error in the quan-titative deposition of (Notes). P. K. Frolich, 444. Iron Pyrites Copper in - ; Determination of. T. Heczko 579. Iron Reducing agent in the determination of -; Copper as a. J M. Hendel 91. Iron Tantalum and niobium by - ; Preci-pitation of and their separation from -. H. Pied 36. Iron Tragacanth; - in. G. Elliott 192. Iron Zirconium from - * Separation of. P. Wenger and M. Miiller k37. Irradiated Cholesterol and Phytosterol Anti-rachitic value of -. 11. Further evidence of change in biological activity. A. F. Hess and M. Weinstock 412. Irradiated Cholesterol and Physterol Antirachi-tic value of -. 111. Evidence of chemical change as shown by absorption spectra.A. F. Hess and M. Weinstock 411. Irradiated Phytosterol and Cholesterol Anti-rachitic value of -. A. F. Hess M. Wein-stock and F. D. Helman 299. Italian Regulations Colouring Matters ; -on. 189. H. T. S. Britton 601. Iron INDEX TO VOLUME L. xxxv J Jaffe's Reaction Creatinine ; Chemistry of - for. 11. Effect of substitution in the creatinine molecule and a possible formula for the red tautomeride. I. Greenwald 350. Japanese Saffron. E. Skarnitzl 31. Jelly Fruit - ; Pectin in (Legal Notes), 503. Jendrassik Reaction Water-soluble Vitamin B.; Critical study of the - for. V. E. Levine 79. Jendrassik Reaction Water-soluble Vitamin B.; The - for. N. Bezssonoff 517. Juice Lemon -. A. Azadian 626. Juice Valencia orange - ; Volatile con-stituents of.J. A. Hall and C. P. Wilson 626. Juices Lactic acid in fruit -; Detection of small quantities of. A. Borntrager 563. K Kaolin Colloidal - ; Properties of. W. J. Pope and R. T. M. Haines 349. Kent County of -. F. W. F. Arnaud 400. Kidney Pills Misbranding of - (Legal Notes) 504. Kingston-upon-Hull City and County of -. Annual Report of the Public Analyst and Bacteriologist for 1924. A. R. Tankard 551. Kjeldahl Apparatus Splash-head for - ; New (Notes) H. Lowe 605. Kjeldahl Method Gunning-Arnold and Winkler boric acid modifications of the - for the determination of nitrogen ; Comparison of the. K. S. Markley and K. M. Hann 418. Kreis Test Rancidity and the -. T. W. Jones 77. L Laboratory Artificial daylight spectacles for the -.H. Weiss 362. Lactic Acid Fruit juices; Detection of small quantities of - in. A. Borntrager 563. Lactose Fermenters Faecal pollution of waters ; Fallacy of the test for - as an indicator of. 0. Schobl and J. Ramirez 630. Lake Water Amino acids and other organic nitrogen compounds in - ; Occurrence of. W. H. Peterson E. B. Fred and B. P. Domo-galla 301. Lake Waters Nitrogen found in certain - ; Forms of. B. P. Domogalla C. Juday and W. H. Peterson 301. Land Arable - * Nickel and cobalt in. G. Bertrand and M. Mokragnatz 84. Lathyrism - ; Cause of. A. P. Anderson, A. Howard and J. L. Simonsen 576. Lead Anodes Peroxidised -. G. Bozza and M. Bertozzi 154. Lead Bismuth and its separation from -by pyrogallol ; Determination of. F.Feigl and H. Ordelt 252. Lead Blood cells ; Effect of - on. J. C. Aub P. Reznikoff and D. E. Smith 83. Lead - ; Determination of. W. W. Scott, 473. Lead - . The determination of (Notes). C. E. Ricdards 398. Lead Litharge ; Determination of metallic - in. C. Mayr 151. Lead Nitrate Solutions Lead in organs ; Deter-mination of minute quantities of. Alteration of dilute -. H. Bernhardt 574. Lead Ores Bismuth in - ; Determination of. V. Hassreidter 152. Lead Organs ; Determination of minute quantities of - in. Alteration of dilute - nitrate solutions. H. Bernhardt 574. Lead Pb,O in red - ; Volumetric deter-mination of. E. F. Figg 199. Lead Petrol ; Determination of - in. T. von Fellenberg 352. Lead Tetraethyl Poisoning ; - . H. Leff-mann 84.Lead Tin ; Electrolytic separation of - and. A. Lassieur 35. Leather Alumina in chrome - ; Deter-mination of. D. Woodroffe 86. Leaves Tea - ; Quercitin in. J. J. B. Deuss 348. Lecithin Blood ; Determination of - in. A. Grigaut 195. Lecithin Fats ; - in. E. Boedtker 513. Lecithins Natural crystalised - ; Isolation of. H. H. Escher 625. Legal Notes 1925 19 68 132 184 288, 337 401 448 503 552') 608. Lemon Cheese - ; The composition of (Notes). G. D. Elsdon 499. Lemon Cheese Composition o€ - ; The (Notes). T. R. Hodgson 396. Lemon Cheese. G. D. Elsdon 230. Lemon Juice. A. Azadian 626. Lemon Oil - and sweet orange oil in al-coholic solution ; Optical rotations produced by. W. W. Randall 28. Lighting Unit Spectroscope - A simple and self-contained.R. C. Freherick and E. R. Webster 234. Linen and Wood Fibres Cotton - in paper pulp ; The quantitative determination of. W. Dickson 317. Linguatula Serra.a Bovine lymphatic glands ; Occurrence of - in? A. W. N. Pillers 573. Liniment Chloroform in chloroform -; Determination of. Linseed Cake Meal Prussic acid poisoning with - ; A case of (Notes). H. T. Cranlield 18. Lipase Actions Enzyme action ; Studies on. XXX. Comparative study of character-istic - of tissues of different animals and of some human tissues. K. G. Falk H. M. Noyes and K. Sugiura 194. Lipase Papain -. M. Sandberg and E. Brand 410. Lipoid Phosphorus Blood and plasma Method for the determination of - in. J. C. Whitehorn 82. T. M. Willgerodt 627 xxxvi INDEX TO VOLUME L.Liquorice Extract AtractyZ;s gummifera in - ; Detection of. Litharge Metallic lead in - ; Determination of. C. Mayr 151. Lithium Alkali metals by the use of perchloric acid ; Separation and determination of the. 111. Normal butyl alcohol and ethyl acetate as mixed solvents in the separation and deter-mination of potassium sodium and -. G. F. Smith and J. F. Ross 307. Lithium Arc Spectrum Polarimetric use ; -for. P. C. Austin 476. London Milk in the City of - ; Examination of. 554. London Rat virus in - Use of. 555. Low-Temperature Thermometer - ; Simple. W. A. Noyes 526. Lubricating Oils Carbon residue test for - : The. W. M. Seaber 354. Luminal - (Gardenal) ; Characteristic re-action for. F. Ranwez 465. Lymphatic Glands Bovine - ; Occurrence of Linguatula serrata in.A. W. N. Pillers 573. Lysol Merchandise Marks Act ; - and the (Legal Notes) 448. P. Bertolo 193. M Madras Government of - Report of the Chemical Examiner for the Year 1924. 449. Magnesia Calcined - (Legal Notes) 449. Magnesium Calcium and - ; Separation of. G. Luff 252. Magnesium Colour reaction for - ; Sen-sitive. F. L. Hahn H. Wolf and S. Jager 35. Malt Amylases Pancreatic and - ; Tempera-ture coefficients of enzymic activity and heat destruction of. D. H. Cook 569. Maltose Glucose ; Determination of - in the presence of. hf. P. Nottin 190. Man Bacilli pathogenic to - ; Domesticated animals as sources of. Manganese Agricultural soils Determination of - in. Manganese Aluminium and its separation from - ; Gravimetric determination of.B. Solaja 360. Manganese Iron alloys ; Detection of traces of - in. Manganese Vital factors in soils plants and animals ; Copper - zinc nickel and cobalt as. J. S. McHargue 409. Mannitol-Forming Bacteria Fermentation pro-ducts of certain -. H. R. Stiles w . H. Peterson and E. B. Fred 519. Margarine Coconut oil and butter fat in - ; The determination of. G. D. Elsdon and P. Smith 53. Margarine Labelling of - (Legal Notes) 19. Meat Foods Anaerobic bacteria in - and their connection with gastro-intestinal dis-turbances. Brekenfeld 80. Media P H of culture - under sterile con-ditions ; Adjustment of. L. M. Christensen and E. I. Fulmer 630. W. G. Savage 572. G. Bertrand 85. H. Bosche 359.Medical Research Council - . Medical Research Council -. Food Poison-ing.-A Study of 100 Recent Outbreaks. 341. Investigation of the Salmonella Group with Special Refer-ence to Food Poisoning. (W. G. Savage and P. B. White) 239. Solubility of Glazes and Enamels Used in Cooking Utensils. Reports on Public Health and -. G. W. Monier-Williams 133. Medicine t Phosphoric acid in prescribed - ; Excess of (Legal Notes) 552. Medicine Quinine in prescribed - ; Excess of (Legal Notes) 184. Medico-Legal Significance Nitric oxide haemo-globin ; Post-mortem presence of. Its -. H. A. L. Banham J. S. Haldane and T. Savage 520. Melting Point Insoluble volatile acids from fats ; The analytical value of the - of the. G. Van B. Gilmour 119. Menthol Glycuronic Acid Urine ; Quantitative determination of - in.Merchandise Marks Act Lysol and the -(Legal Notes) 448. Mercurous Chloride Calomel ointment deficient in - (Legal Notes) 611. Mercury Copper from - ; Separation of. G. Spacu 580. Mercury Distilling - ; New apparatus for. J. Wetzel 361. Mercury - ; Volumetric determination of. E. Rupp and K. Miiller 579. Mercury Poisoning Electric furnaces ; -from. Metabolism Body - ; Water-cress and. S. M. Copeman 568. Metabolism Glycogen ; Studies on Part I . The nature of yeast glycogen its preparation, estimation and r61e in yeast -. A. R. Ling D. R. Nanji and F. J. Paton 407. Metabolism Pentose - ; Studies on. I . Colorimetric method for the determination of furfural. 34. Metal White - ; Analysis of.H. Biltz 473. Metallic Lead Litharge ; Determination of -in. C. Mayr 151. Metals Ammonia and ammonium sulphide group; Separation of - of the. K. K. Jarvinen 359. Metals Cryogenine with the heavy - ; Colour reactions of. Metals Perchloric acid ; Separation and deter-mination of the alkali - by the use of. I. Solubilities of the perchlorates of the alkali-in mixed organic solvents. G. F. Smith 254. Metals Perchloric acid; Separation and determin-ation of the alkali - by the use of. 11. Pre-cise determination of the insoluble alkali metal perchlorates. G. F. Smith and J. F. Ross 254. Metals Perchloric acid ; Separation and deter-mination of the alkali - by the use of. 111. Normal butyl alcohol and ethyl acteate as mixed solvents in the separation and determination of potassium sodium and lithium.G. F. Smith and J. F. Ross 307. Medical Subjects Ministry of Health. A. J . Quick 32. L. Jordan and W. P. Barrows 84. L. Bornet 34 INDEX TO VOLUME L. xxxvii Metals Pyridine antipyrine pyrazole or aniline ; Identification of - as double halogenides with. I. M. Kolthoff and H. Hamer 90. Meteorological Office - Air Ministry. Advisory Committee on Atmospheric Pollution. Report on Observations in the Year Ending March 31st 1924 452. Methaemoglobin Cleavage products ; Method for determining - in the presence of its. J. B. Conant and L. F. Fieser 196. Methanol Synthetic - ; Toxic action of. R. Hunt 576. Methoxyl Micro-Determination of -. J. C. Smith 302. Methylamine Ammonia ; Detection of -in presence of excess of.P. A. Valton 149. Methylated Spirit Cherry brandy ; - as (Legal Notes) 70. Methylated Spirit Drunkenness from -(Legal Notes) 504. Methylene Blue - ; Iodimetric determina-tion of. T. Sabalitschka and W. Erdmann 47 1. Methylene Blue Thiazine red ; Preparation of polychrome - and. F. Proescher and. A. P. Krueger 299. Methylhexaline Textile oils ; Detection of - in. J. Marcusson 524. Metrology Department National Physical Lab-oratory. - . Verification of Weight Testing of Balances Determination of Den-sities 291. J. A. Christiansen 153. Micro Method Blood sugar ; - for the determination of. E. Komm 568 Microchemical Identification Novocaine ; Rapid - of. G. Denigks 193. Microchemical Test Nucleic acid of the thy-monucleic acid type ; - for.R. Feulgen and H. Rossenbeck 81. J. C. Smith 302. Micro-Organisms Decomposing oysters ; -in. A. C. Hunter and B. A. Linden 631. Micro-Organisms Proteins and amino acids by - ; Decomposition of. S. A. Waksman and S. Lomanitz 410. Micro-Organisms Yeast ; Measurement of chemical action in - especially in. T. Bokorny 195. Microscopical Examination Cacao products ; - of. V. A. Pease 37. Milk Albino rat ; Effect of chlorinated -on the. J. W. Read 518. Milk and Dairies (Consolidation Act) Ministry of Health. - 1915. Circular 612 ; Preser-vatives etc. in Food-Statutory Rules and Orders 1925 775 ; Public Health (Preserva-tives etc. in Food) Regulations 1925, Circular 606 453. Milk and Dairies (Consolidation) Act Ministry of Health.- 1915. (5 and 6 Geo; 5. Ch. 66.) Milk and Dairy Orders 612. Micro Analysis Gas ; Burette for - of. Micro-Determination Methoxvl ; - of. Milk. and Dairy .Orders Ministry of Health. Milk and Dairies (Consolidation) Act 19 15. (5 and 6 Geo. 5. Ch. 66). -. 612. Milk Annatto in - ; The detection of (Notes). A. D. Gardiner 549. Milk Annatto in - -; The detection of (Notes) H. Lowe 335. Milk Calcium and phosphorus compounds in - - Effect of heat on the solubility of the. R. W. Bell 466. Milk Cane sugar in condensed - ; Deter-mination of. K. Scheringa 625. Milk Chlorine in -; The chlorine-lactose ratio and determination of. J. Drost 624. Milk Chlorine in - * The Iiupp method for the detection of. j.T. Keister 624. Milk City of London; Examination of -in the 554. Milk Cows’ - ; Direct precipitation of calcium in. C. S. Rothwell 562. Milk Fat in condensed - ; Determination of (Notes). J. McCrae 236. Milk Growth and fertility of white rats ; Mineral deficiencies of - as shown by. A. L. Daniels and M. K. Hutton 246. Milk - “ as i t came from the cow ” (Legal Notes) 20. Milk - condensed and desiccated -; A contribution to the analysis of. H. Hurst, 438. Milk - sugar in - * Determination of (Notes). H. D. Richmond and L. R. Ellison, 17. Milk Ministry of Health. Dried -. Statutory Rules and Orders 1923 No. 1323. Public Health England 343. Milk of Sulphur - (Legal Notes) 503. Milk Oxidation ; Reproductive potency of dry - as affected by.G. C. Supplee and 0. D. Dow 245. Milk Powders Food; Whole and skimmed - as. Observations on a new vitamin for reproduction. L. T. Anderegg and V. E. Nelson 351. Milk Proteins and mineral constituents of - * Influence of Pasteurisation on the digeshbility of the. E. F. Terroine and H. Spindler 245. Milk Punctured cooler ; Watered - and a (Legal Notes) 610. Milk Regulations Condensed - ; Summons under the (Legal Notes) 289. milk Sucrose in condensed - ; Polarimetric determination of. G. Jorgensen 143. Milk Sugar Milk; Determination of - in (Notes). H. D. Richmond and L. R. Ellison, 17. Milk Turnip flavour of -. Orla- Jensen 519. Milk Unstirred - (Legal Notes) 288. Milk Watered - Related cases taken Milks Fat in condensed - . The deter-Milkweed Seed hairs of the - ; The.under two Acts (Legal Notes) 608. mination of (Notes). R. W. Sitton 17. A. W. Schorger 471 xxsviii INDEX TO Mineral Acid Monosaccharides by means of dilute - ; Condensation of. P. A. Levene and R. Ulpts 463. Mineral Constituents Digestibility of the proteins and - of milk; Influence of Pasteurisation on the. E. F. Terroine and H. Spindler 245. Mineral Deficiencies Growth and fertility of white rats ; - of milk as shown by. A. L. Daniels and M. K. Hutton 246. Mineral Matter Chocolate eggs ; - in (Legal Notes) 238. Mineral Waters Natural - ; Ageing of, 0. Baudisch and L. A. Welo 516. Minerals Radium in ~ containing tantalum, niobiuiii and titanium ; Determination of. P. Curie 153. Ministry of Health - .Circular 553. Sale of Food and Drugs Acts etc. R. B. Cross, 25. Ministry of Health - . Draft Rules and Orders 1925. Public Health England, 135. Ministry of Health - . Dried Milk. Statu-tory Rules and Orders 1923 No. 1323. Public Health England 343. Ministry of Health - * Milk and Dairies (Consolidation Act) 1915 Circular 612 ; Preservatives etc. in Food-Statutory Rules and Orders 1925 775 ; Public Health (Preservatives etc. in Food) Regulations 1925 Circular 606. 453. Ministry .of Health - Milk and Dairies Consolidation Act 1915. (5 and 6 Geo. 5. Ch. 66.) Milk and Dairy Orders 612. Ministry of Health -. Sixth Annual Report, Ministry of Health -. Solubility of Glazes and Enamels Used in Cooking Utensils. Reports on Public Health and Medical Subjects G.W. Monier-Williams 133. Ministry of Health -. Use of Preservatives and Colouring Matters in Food. 134. Minnesota State Da+y Food Commissioner ; - and. Twentieth Bicnnial Report 1924. 511. Misbranding Emmenagogue pills; - of (Legal Notes) 238. Misbranding Kidney pills; - of (Legal Notes) 504. Mitchell’s Ferrous Tartrate Re?gant Qualitative Analysis; The use of - in. A. H. Ware, 127. Molecular Weights - ; Xew method for the determination of. G. Kastelli 640. Molecule Jaffe’s reaction for creatine ; Chemis-try of. 11. Effect of substitution in the creatinine - and a possible formula for the red tautomeride. I. Greenwald 350. Molybdenum Germanite ; Analysis of (Deter-mination of germanium arsenic gallium and -). F. W. Kriesel 91.Molybdenum Steel ; - Determination of - in. 0. L. Maag and C. H. R’IcCollam 300. Molybdenum Tungsten and - ; Toxicity of compounds of. T. Karantassis 576. 1924-1925. 507. VOLUME L. Molybdenum Tungsten Tungsten ; Separation of - from. I. Koppel 36. Molybdenum Vanadium ; Separation of -from. A. E. Stoppel C . F. Sidener and P. H. M. P. Rrinton 418. Monocalcium Phosphate Baking powders ; “Neutralising value of - in. L. H. Bailey 405. Monosaccharides Dilute mineral acid ; Con-densation of - by means of. P. A. 1,evene and R. Ulpts 463. Murumuru Palni-kernel fat ; -. an American E. Andrh and F. Guichard 513. Muscle Shrimp ; Nitrogen distribution in --of. D. B. Jones 0. A/Toeller and C. E. F. Gersdorff 56s. N a-Naphthol /I-naphthol ; Detection and deter-mination of small amounts of - in.T. Callan 250. ,&Naphthol a-naphthol in - ; Detection and determination of small amounts of. T . Callan 250. National Physical Laboratory - Metrology Department. Verification of Weights Test-ing of Balances Determination of Densities. 291. Natural Fats Fatty acids constituents of some -. 11. Palm kernel oil. E. F. -4rmstrong, J. Allan and C. W. Moore 244. Natural Fats Fatty acid constituents of some -; The. I. The oils from the coconut. E. F. Armstrong J. Allan and C. W. Moore, 191. Natural Mineral Waters Ageing of -. Baudisch and L. A. Welo 516. Natural Unsaturated Fatty Acids -. Consti-tution of. Part 11. Some acids present in a South Georgian whale oil. E. F. Armstrong and T.P. Hilditch 303. Natural Waters Phenols in polluted -. Determination of minute amounts of. L. R: Vorce 469. Navel Orange Glncosides of the -. J. A. Hall 295. Nessler Solution - ; Preparation of (Notes). H. D. Richmond 336. Nessler’s Solution - ; Preparation of (Notes). H. 11. Richmond 67. Nessler’s Solution - ; Preparation of (Notes). K. C. Frederick 153. Neutral Solution Nickel and other salts in - ; Detection of cobalt occurring separately or in presence of S. J. Jindal 306. “ Neutralising Value ” Monocalcium phosphate in taking powders ; - of. L. H. Bailey, 408. New South Wales -. Department of Public Health. Annual Report of the Government analyst for the Year 1923. T. Cooksey 73. INDEX TO VOLUME L. xxxix New Zealand Department of Health -.Regnlations under the Sale of Foods and Drugs Acts 1908. 30th June 1924. 140. New Zealand - . Fifty-Seventh Annual Report o€ the Dominion Laboratory. Nickel and other Salts Cobalt occurring separately or in presence of - in neutral solution ; Detection of. Nickel Animal kingdom ; - and cobalt in the G. Bertrand and M. Macheboeuf 512. Nickel Arable land ; - and cobalt in. G. Bertrand and M. Mokragnatz 84. Nickel Cobalt in the presence of - ; A new colorimetric method for the determination of. B. S. Evans 389. Nickel Complex oxalate electrolytes ; The carbon error in the quantitative deposition of. - and iron from. Nickel Quantitative deposition of - and iron from complex oxalate electrolytes ; The carbon error in the (Notes).P. K. Frolich, 444. Nickel Soils plants and animals ; Copper, manganese zinc - and cobalt as vital factors in. J. S. McHargue 409. Nickel Vegetable products ; - and cobalt in. G. Bertrsnd and M. Mokragnatz 348. Nickel Zinc and - by hydrogem sulphide ; Separation of. A. Klinn and A. Lassieur 200. Niobium Minerals contzning tantalum -and titanium ; Determination of radium in. P. Curie 152. Niobium Tantalum and - by " cupferron," and their separation from iron ; Precipitation of. H. Pied 3ti. Niobium Tantalum - and their mineral associates ; Investigations into the analytical chemistry of. IV. A new method for the separation of tantalum from -. V. The detection and determination of tantalum in - compounds. A. K. Powell and W. R.Schoeller 485. Nitrate Nitrogenous materials ; Determination of - and ammonia in. Nitrates - and nitrites ; New reactions of S. VAgi 308. Nitrates Organic reagent for the detection of - and perchlorates ; New. C. 5. Marvel and V. du Vigneaud 93. Nitrates Sulphuric acid ; Detection of nitric acid and - in. Nitric Acid Nitrites or - ; The detection of plant phenols by the use of. A. H. Ware 384. Nitric Acid Sulphuric acid ; Detection of -and nitrates in. Nitric Oxide Haemoglobin Post-mortem pre-sence of -. Its medico-legal significance. H. A. L. Banham J. S. Haldane and T. Savage 520. Nitrites Nitrates and - ; New reactions of. S. VAgi 308. Nitrites Plant phenols by the use of - or nitric acid ; The detection of. A. H. Ware, 384. Nitrobenzene Poisoning by - ; A case of.R. Frossard 415. 340. S. J. Jindal 305. P. K. Frdlich 224. 0. M. Shedd 33. J. Wilson 581. J . Wilson 581. p-Nitrobenzoic Acid Acidimetric standard ; Use of. W. M.Thornton Junr. and D.Getz 304. Nitrogen Commercial electrolytic hydrogen ; Determination of oxygen and - in. W. Steuer 525. Nitrogen Compounds Amino acids and other organic - in lake water ; Occurrence of. W. H. Peterson E. B. Fred and B. P. Domo-galla 301. Nitrogen Distribution Muscle of shrimp ; - in. D. B. Jones 0. Moeller and C. E. F. Gersdorff 568. Nitrogen Kjeldahl method for the deter-mination of - ; Comparison of the Gunning-Arnold and Winkler modifications of the. K. S. Markley and R. M. Hann 418. Nitrogen Lake waters ; Forms of - found in certain.B. P. Domogalla C. Juday and W. H. Peterson 301. Nitrogen Protein - . Determination of small amounts of. E. 'R. Main and A. P. Locke 413. Nitrogen Soils ; Determination of the am-moniacal - in. W. McLean and G. W. Robinson 33. Nitrogenous Groups Plant nucleic acid ; The - of. W. Jones and M. E. Perkins 194. Nitrogenous Materials Nitrate and ammonia in - ; Determination of. 0. M. Shedd 33. Nitrous Oxide Oxides of nitrogen (except -) in small concentration in the products of combustion of coal gas and in a i r ; The determination of. A. G. Francis and A. T. Parsons 262. Non-Volatile Acids Blackberry ; - of the. E. K. Nelson 191. Non-Volatile Acids Strawberry pineapple, raspberry and Concord grape ; - of the. E.K. Nelson 295. Non-Volatile Organic Acids Alfalfa ; - of. W. A. Turner and h1. Hartman 522. Noors Honey Problem of -; The. C. F. Juritz 347, Notes 1925 16 64 130 180 236 284 335, 395 444 498 548 604. Notes from the Reports of Public Analysts: 1925 67 184 237 287 337 400 446 501, 551 606. Novocaine Microchemical identification of -; Rapid. G. Denighs 193. Novocaine Solutions of - ; Colorimetric determination of. P. Chertmy 78. Nucleic Acid Plant -; The nitrogenous groups of. W. Jones and M. E. Perkins 194. Nucleic Acid Thymonucleic acid type ; Micro-chemical test for - of the. R. Feulgen and H. Rossenbeck 81. Nutritive Value Snail (Helix pomatia L) ; - of the. L. Leger 76. 0 Obituary Notices : Dibdin William Joseph 369. Hellon Robert 2.Oddy R. W. 589. Thorpe Sir Edward C.B. F.R.S. 210 xl INDEX TO Official Method Tannin analysis ; New sim-plification in the - of. A. Jamet 87. Oil Citrullus vulgaris as a source of -; Seeds of 462. Oil Olives ; Acidity of the - in. R. Marcille, 27. Oils Fats and - . Detection of rancidity in. T. Von Fellenbkrg 245. Oils Lubricating - ; The carbon residue test for. W. M. Seaber 354. Oils Some natural fats ; The fatty acid constituents of. I. The - from the coco-nut. E. F. Armstrong J. Allan and C. W. Moore 191. Oils Unsaturated constituents of - and fats ; Volumetric determination of certain. H. P. Kaufmann 577. Ointment Mercurous chloride ; Calomel -deficient in (Legal Notes) 611. Oleic Acid Dihydroxystearic acid ; Deter-mination of - as.A. Lapworth and E. N. Mottram 470. Olive Oil Arachis oil in - ; The detection of (Notes). A. D. Powell 395. Olive Oil Arachis oil in - ; The detection of (Notes). F. F. Shelley 498. Olive Oils Turpentine oil; Application of Wood’s Light to the examination of -and. Frehse 361. Olives Oil in - ; Acidity of the. R. Marcille, 27. Opium Alkaloids Picrates of the -. C. W. Maplethorpe and N. Evers 56’7. Opium Paregoric without - (Legal Notes), 564. some. G. L. Keenan 88. Optical Rotations Lemon oil and sweet orange oil in alcoholic solution ; - produced by. W. W. Randall 28. Orange Juice Valencia -; Volatile con-stituents of. J. A. Hall and C. P. Wilson 626. Orange Navel - ; Glucosides of the. J. A. Hall 295. Orange 011 Lemon oil and sweet - in alcoholic solution ; Optical rotations produced by.1%:. W. Randall 28. Orange Protein in the edible portion of - ; A. A. H. Smith 247. Oranges Dyed - (Notes). J. F. Liverseege, 183. Ores Bismuth in lead - ; Determination of. V. Hassreidter 152. W. A. Turner and M. Hartnian 522. Organic Analysis Abstracts 1925 33 86, 149 198 249 302 354 416 469 533 577 634. Organic Analysis Sodium hyposulphite (hy-drosulphite) in - ; Application of. E. Clark 199. Organic Analysis Wet method ; Elementary - by a. G. Vortmann 469. Organic Chemistry Thallium compounds in -. Application of Titratations. G. H. Chriske and R. C. Menzies 634. Optical Properties Amino acids ; The - of Organic Acids Alfalfa ; Non-volatile - of. VOLUME L.Organic Compounds Arsenic in - ; Deter-mination of. G. Newberry 469. Organic Compounds Carbon in -; Rapid method for determining. H. D. Wilde jun., and H. L. Lochte 198. Organic Compounds Purity in - ; Fluores-cence as a criterion of. E. Bayle and k. Fabre 250. Organic. Cyanides Alliols ” ; Detection of - in. L. Desvergnes 348. Organic Matter Humification of soil -. Determination of the degree of. G. W: Robinson and J. 0. Jones 14% Organic Matter ‘‘ perhydrol ” and its appli-cation to toxicology ; Destruction of by. G. Magnin 300. Organic Nitrogen Compounds Amino acids and other - in lake water ; Occurrence of. \V. H. Peterson E. B. Fred and B. P. Domo-galla 301. Organic Reactions Titania ; - a t the surface of. Adsorption of certain gases by titania.F. Uischof and H. Adkins 263. Organic Reagent Nitrates and perchlorates ; New - for the detection of. C. S. Marvel and V. du Vigneaud 93. Organic Solvents Alkali metals by the use of perchloric acid ; Separation and determination of the. I. Solubilities of the perchlorates of the alkali metals in mixed -. G. F. Smith, 254. Organic Substances Carbon in - Deter-mination of. A. Desgrez and R. Vivario, 249. Organic Thiocyanogen Substitution Products : - ; Preparation of. H. P. Kaufmann 634. Organo-Therapeutic Powders Analysing - ; New principle for. M. Javillier €3. Allaire and ILI. Groc 409. Organs Lead in -; Determination of minute quantities of. Alteration of dilute lead nitrate solutions. H. Bernhardt 574. Osmosis Eoric acid through the skin by - ; The passage of.L. Kahlenberg 83. Ova Fruits and vegetables by bacteria and other particulate matter ; Penetration of Resistance of bacteria protozoan cysts and helminth - to common disinfection methods. R. G. Mills C. L. Rartlett aiid J. F. Kessel 571. Oxalate Electrolytes Nickel and iron from complex - ; The carbon error in the quantitative deposition of (Notes). P. K. Frohlich 444. Oxalate Electrolytes Quantitative deposition of nickel and iron from complex -; The carbon error in the. P. K. Frolich 224. Oxalic Acid Bismuth subnitrate ; Elimination of - in qualitative analysis by. A. Keschan, 579. Oxidation Chinese wood oil ; - of. F. H. Rhodes and T. T. Ling 354. Oxidation Dry milk as affected by -; Reproductive potency of.G. C. Supplee and 0. D. Dow 245 INDEX TO Oxidation Fats to - ; Measurement of the susceptibility of. G. R. Greenbank and G. E. Holm 463. Oxidations Electrode for - or reductions ; Porous. M. Knobel 527. Oxides of Nitrogen Products of combustion of coal gas and in a i r ; The determination of - (except nitrous oxide) in small con-centration in the. A. G. Francis and A. T. Parsons 262. Oxidising Attack Tests for oxycellulose and for the - of cotton ; Value and interpre-tation of. C. Rirtwell D. A. Clibbens and B. P. Ridge 150. Oxy-Calorimeter Energy values of fuels, foods etc. ; The - for the determination of the. F. G. Benedict and E. L. Fox 640. Oxycellulose Oxidising attack of cotton ; Value and interpretation of tests for -and for the.C. Rirtwell D. A. Clibbens, and B. P. Ridge 150. Oxygen Absorbent for - in gas analysis; New. L. F. Fiesher 89. Oxygen Alkaline pyrogallol solutions ; Ab-sorption of - by. T. J. Drakely and H. Nicol 636. Oxygen Alkaline pyrogallol solutions ; The absorption of - and liberation of carbon monoxide by. T. J. Drakeley and H. Nicol, 578. Oxygen Carbon monoxide by the blood method ; Determination of. Absorption of the gas by haemoglobin in absence of -. M. Nicloux 417. Oxygen Commercial electrolytic hydrogen ; Determination of - and nitrogen in. W. Steuer 525. Oxygen Consumption Tissues ; hpparatus for measuring the - of. A. E. Koehler, 300. Oxygen Content Commercial oxygen ; Deter-mination of the - of. B. Neumann and W.Steuer 472. Oxygen Dissolved - ; Determination of. J. N. Friend 248. Oxygen - content of commercial -; Determination of the. B. Neumann and W. Steuer 472. Oxygen Winkler method ; Determination of dissolved - by the. E. J. Theriault 632. Oysters Decomposing - - Micro-organisms in. A. C . Hunter and B. ’A. Linden 631. Oysters Green growth on - ; The. G. Ranson 145. P PH Acidosis ; Studies of. XXI. Colori-metric determination of - of urine. A. B. Hastings J. Sendroy jun. and W. Robson, 628. PH Culture media under sterile conditions ; Adjustment of - of. L. M. Christensen and E. I. Fulmer 630. PH Spectrophotometric determination of -. F. Vlh 201. VOLUME L. xl i PH Spectrophotometric determination of the - ; The adsorption of indicator (cresol red) by serum in the.E. F. Hirsch 256. PH Value Dairy products by Biilmann’s quinhydrone electrode ; Measurement of -of. V. Lester 37. PH Values Solutions ; Colorimetric deter-mination of the - of. E. Richard 304. Paint White lead - ; Adulteration of (Legal Notes) 132. Palestine Government of -. Annual Report of the Department of Health for the Year 1923. 22. Palladium Platinum ; Separation of - from. F. Krauss and H. Deneke 580. Palm-Kernel Fat American - ; Murumuru, an. E. Andr6 and F. Guichard 513. Palm Kernel Meal Bacon fat ; The influence of - on the composition of. J. S. Willcox and H. T. Cranfield 323. Palm Kernel Oil Fatty acid constituents of some natural fats; The. 11. -. E. F. Armstrong J. Allan and C. W. Moore 244.Pancreatic and Malt Amylases Enzymic activity and heat destruction of -; Temperature coefficients of. D. H. Cook 569. Papain Lipase. M. Sandberg and E. Brand 410. Paper Analysis of -; Rapid methods for the. J. Croland 357. Paper Pulp Cotton linen and wood fibres in - . The quantitative determination of. W. Ikckson 317. Paraffin Wax Rubber goods ; Determination of - in. J. Lagerqirst 251. traced Paratyphoid Fever Ice-cream ; -to. G. P. Kinloch 632. Paregoric Opium; - without (Legal Notes) 554. Paris Green - ; Sale of 406. Particles Emulsions ; Method for the deter-mination of the distribution of size of - in. E. 0. Kraemer and A. J. Stamm 95. Particles Ultra-centrifuge ; The. A new instrument for the determination of the size of - in amicroscopic colloids.T. Svedberg and H. Rinde 95. Pasteurisation Proteins and mineral con-stituents of milk; Influence of - on the digestibility of the. E. F. Terroine and H. Spindler 215. Pb,O Red lead ; Volumetric determination of -in. E. F. Figg 199. Pearls Interior of -; New method for examining the. B. Szilard 202. Peas Tinned and bottled - ; Zinc in (Notes). C. H. Cribb and A. L. Still 286. Peas Tinned and coppered -; Zinc in (Notes). C. H. Cribb and A. L. Still 395. Peat Foodstuffs analysis ; Examination of - by the methods of. A. P. Dachnowski, 304. Pectin Citrus -. H. D. Poore 347. Pectin Conserves with special reference to - and agar-agar ; The adulteration of. J King 371. Pectin Fruit jelly ; - in (Legal Notes) 503 xlii INDEX TO VOLUME L.Pectin Fruits and fruit products ; - in. H. J. Wiclimann 28. Pectin Liquefaction Rosaceous fruit ; -during ripening of. C. Griebel 297. Pectin Pectose and - in apple tissue ; Relation of. M. H. Carrb 464. Pectose Apple tissue ; Relation of - and pectin in. M. H. Carrb 464. Pentosans - . Determination of. F. W. Klingstedt 416: Pentose Metabolism - ; Studies on. 1. Colorimetric method for the determination of furfural 34. Pentoses Plants ; Occurrence of free - in. Effect of extraction of the sugars with am-moniacal alcohol. D. T. Englis and C. Hale, 199. Peptic Synthesis Protein ; Enzymatic synthesis of. IV. Effect of concentration on -. H. Borsook and H. Wasteneys 350'. Perchlorates Alkali metals by the use of perchloric acid ; Separation and determination of the.11. Precise determination of the insoluble alkali metal -. G. F. Smith and J. F. Ross 254. Perchlorates Nitrates and - ; New Organic reagent for the detection of. C. S. Marvel' and V. du Vigneaud 93. Perchlorates of the Alkali Metals Alkali metals by the use of perchloric acid ; Separation and determination of the . I. Solubilities of the - in mixed organic solvents. G. F. Smith, 254. Perchloric Acid Alkali metals by the use of - . Separation and determination of the. I. Solubilities of the perchlorates of the alkali metals in mixed organic solvents. G. F. Smith 254. Perchloric Acid Alkali metals by the use of -; Separation and determination of the. 11. Precise determination of the insoluble alkali metal perchlorates.G. F. Smith and J. F. Ross 254. Perchloric Acid Alkali metals by the use of -; Separation and determination of the. 111. Normal butyl alcohol and ethyl acetate as mixed solvents in the separation and deter-mination of potassium sodium and lithium. G. F. Smith and J. F. Ross 307. " Perhydrol " Toxicology; Destruction of organic matter by - and its application to. G. Magnin 300. " Permeability-to-Gas '' Sands ; Method of testing the - of. Peroxide Fusions Explosion method for -. W. F. Muehlberg 473. Peroxidised Lead anodes. G. Bozza and M. Bertozzi 154. Petrol Lead in - ; Determination of. T. von Fellenberg 352. Petroleum Fat of algae in relation to -; The. J. Marcusson 416. Phenol Red Proteins ; The combination of -and.A. Grollman 412. Phenols Essential oils ; New methods for the rapid determination of - in. L. Reti 302. A. L. Curtis 638. Phenols Nitrftes or nitric acid ; The detection of plant - by the use of. Phenols Polluted natural waters ; Determina-tion of minute amounts of - in. L. R. Vorce 469. Phenols Tar oils ; Determination of - in. J. J. Morgan and M. H. Meighan 471. Phloroglucinol test Tea by the - ; Identifi-cation of. Phosphate Fertilisers ; Citric-soluble - in (Legal Notes) 401. Phosphates Zirconium and hafnium ; Solu-bilities of the - of. G. Hevesy and K. Kimura 637. Phosphor Bronzes Phosphorus in -; Determination of. L. Lindemann 94. Phosphoric Acid Bismuth subnitrate ; Elimina-. tion of - in qualitative analysis by.A. Keschan 200. Phosphoric Acid Prescribed medicine ; Excess of - in (Legal Notes) 552. Phosphorus Compounds Solubility of the calcium and - in milk ; Effect of heat on the. R. W. Bell 466. Phosphorus Lipoid - in blood and plasma ; Method for the determination of. J. C. Whitehorn 82. Phosphorus Phosphor bronzes ; Determination of - in. L. Lindemann 94. Physical Methods Apparatus Etc. Abstracts : 1925 37 95 153 201 256 308 361,419,475, 526 581 638. Physico-Chemical Analysis Ultra-filter ; A of solutions. E. collodion membrane. -Fouard 201. Phytosterol Irradiated - and cholesterol ; Antirachitic value of. A. F. Hess M. Weinstock and F. D. Helman 299. Phytosterol Irradiated cholesterol and - ; Antirachitic value of. 11. Further evidence of change in biological activity.A. F. Hess and M. Weinstock 412. Phytosterol Irradiated cholesterol and - * Antirachitic value of. 111. Evidence oi chemical change as shown by absorption spectra. A. F. Hess and IM. Weinstock 411. Picrates Opium alkaloids ; - of the. C. W. Maplethorpe and N. Evers 567. Picric Acid Mixture of - and trinitro-metacresol ; Gravimetric determination of - in a. L. Desvergnes 250. Pigment Red water-soluble - characteristic of €3. pyocyaneus; Pyorubin a. P. D. Meader, G. H. Robinson and V. Leonard 573. Pills Emmenagogue - ; Misbranding of (Legal Notes) 238. Pills Misbranding of kidney - (Legal Notes), 504. Pineapple Strawberry - raspberry and Concord grape ; Non-Volatile acids of the. E. K. Nelson 295. Pipes Water upon copper - ; Action of.J. C. Thresh 248. Plant Gums South Western United States ; Some - of the. E. Anderson L. Sands and N. Sturgis 635. A. H. Ware 384. C. J. Stracke 297 INDEX TO Plant Nucleic Acid Nitrogenous groups of - ; The. Plant Phenols Nitrites or nitric acid ; The detection oi - by the use of. A. H. - Ware 384. Plants Acetaldehyde in the fruit and other parts of - ; Occurrence of. C. Griebel 295. Plants Free pentoses in - ; Occurrence of Effect of extraction of the sugars with ammon-iacal alcohol. D. T. Englis and C. Hale, 199. Plants " Hesperidin " of certain - ; The. 0. A. Oesterle and G. Wander 627. Plants Vital factors in soils - and animals ; Copper manganese zinc nickel and cobalt as. J. S. McHargue 409.Plasma Lipoid phosphorus in blood and - ; Method for the determination of. J. C. Whitehorn 82. Platinum Palladium from - ; Separation of. F. Krauss and I€. Deneke 580. Veratrum album L. through confusion with J. Maheu and P. Chkramy 576. Poisomng Electric furnaces ; Mercury -from. Poisoning Flies ; An outbreak of food -traced to. 556. Poisoning Hydrocyanic acid in cases of - ; Detection of. G. Magnin 300. Poisoning Lead tetraethyl -. H. Leffmann, 84. Poisoning Linseed cake meal; A case of prussic acid - with (Notes). H. T. Cranfield 18. Poisoning Medical Research Council. Food - A Study of 100 Recent Out-breaks, 341. Investi-gation of the Salmonella Group with Special Reference to Food-. 239. Poisoning Nitrobenzene ; A case of - by.R. Frossard 415. Poisoning Sulphonal - . Localisation of sulphonal and haematoporphyrin. R. Fabre and H. Simonnet 575. Poisonous Alkaloid Transvaal Homeria pallida ; - from the. Poisonous Gases Blood ; Detection of - in. E. Kohn-Abrest 81. Poisons Schedule - ; Additions to. 291. Poisoning Shoe dyes ; - by. C. W. Muehl-berger 468. Polarimetric Method Diastatic power by the -; Effect of hydrogen ion concentration on the determination of. H. C. Gore 143. Polarimetric use Lithium arc spectrum for - . P. C. Austin 476. Polarisation Inorganic salts on the - of sugar solutions ; Effect of some. R. J. Brown, 143. Polluted Natural Waters Phenols in -; Determination of minute amounts of. L. R. Vorce 469. Pollution Atmospheric - ; The Problem of.H. Osborne 23. W. Jones and &I. E. Perkins 194. Poisoning Asparagus officinalis ; - bY L. Jordan and W. P. Barrows 84. Poisoning Medical Research Council. M. Rindl 85. VOLUME L. Xliii Pollution Meteorological Office Air Ministry. Advisory Committee on Atmospheric -. Report on Observations in the Year Ending March 31st. 1924. 452. Pollution Shell-fish ; Detection of - in. T. W. H. Eyre 80. Polychrome Methylene Blue Thiazine red ; Preparation of - and. F. Proescher and A. P. Krueger 299. Polysulphide Sulphur Spray materials ; Deter-mination of - in. W. Goodwin and H. Martin 148. Porous Electrode Oxidations or reductions ; - for. M. Knobel 527. Post-Mortem Presence Nitric oxide haemo-globin ; - of. Tts medico-legal significance.H. A. L. Banham J. S. Haldane and T. Savage 520. Potassium Alkali metals by the use of per-chloric acid ; Separation and determination of the. 111. Normal butyl alcohol and ethyl acetate as mixed solvents in the separation and determination of - sodium and lithium. G. F. Smith and J. 'F. Ross 307. Potassium Dichromate Antimony and tin by -; Electrometric titration of. hf. H. Fleysher 94. Potassium Stearate Soluble sulphates by means of barium chloride and - ; The volumetric determination of. H. Atkinson 590. Potassium Tripyrocatechol Ferrate Indicator in acidimetry and alkalimetry; - as. K. Binder 305. Potentiometric Determination Cerium ; -of. 0. Tomic'ek 360. Powders Organo-therapeutic - ; New prin-ciple for analysing. M. Javillier H.Allaire, and M. Groc 409. Powders Suprarenal - by an application of the Denigbs-Grimbert-Leclbre reaction ; Determination of adrenaline in. 0. Bailly 78. Precipitant Digallic acid as a - ; Crystalline (Notes). M. Nierenstein 604. Preservatives Ministry of Health Milk and Dairies (Consolidation Act) 1915 Circular 612; - etc. in Food-Statutory Rules and Orders 1925 775; Public Health (- etc. in Food) Regulations 1925, Circular 606. 453. Preservatives Ministry of Health. Use of -and Colouring Matters in Food 134. Preserved Eggs Bacterial flora of -. H. Popp 631. President Retiring -; Annual Address of the. 104. Protein Enzymatic synthesis of -. IV. Effect of concentration on peptic synthesis. H. Borsook and H. Wasteneys 350. Protein Enzymatic synthesis of -.V. Note 03 the synthesising action of trypsin. H. Wasteneys and H. Borsook 351. Protein Nitrogen Small amounts of - * Determination of. E. R. Main and A. P: Locke 413. Protein Orange ; A - in the edible portion of. A. H. Smith 247 xliv INDEX TO Protein Sausages ; Ratio of gelatin-forming substance to total - in. 0. Luning and S. Gero 347. Protein Urinary - ; Nature of. A. Hynd, 627. Proteinaceous Food Products Hydrogen sul-phide in - ; Method for the determination of. L. H. Almy 349. Proteins Formaldehyde and serum -Mechanism of the interaction of. R. R: Henley 350. Proteins Histological reaction for - ; New. M. Romieu 245. Proteins Hydrolysis of - ; Methods for the determination of the products of the.J. Froidevaux 297. Proteins Micro-organisms ; Decomposition of - and amino acids by. S. A. Waksman and S. Lomanitz 410. Proteins Pasteurisation on the digestibility of the - and mineral constituents of milk ; Influence of. E. F. Terroine and H. Spindler, 245. Proteins Phenol red and - ; The combina-tion of. A. Grollman 412. Proteus Bacillus Haemolytic -; Study of a. B. S. Kline 571. Protozoan Cysts Fruits and vegetables by bactena and other particulate matter ; Penetration of. Resistance of bacteria -and helminth ova to common disinfection methods. R. G. Mills C. L. Bartlett and J. F. Kessel 571. Prussic Acid Poisoning Linseed cake meal ; A case of - with (Notes). H. T. Cranfield, 18. Ptomaines Toxicological work ; Two - met with in.L. van Itallie and A. J. Steenhauer, 415. Public Analyst and Bacteriologist City and County of Kingston-upon-Hull. Annual Re-port of the-for 1924. A. R. Tankard, 551. Public Analyst County Borough of Bolton. Annual Report of the - for 1924. H. Hurst 501. Public Analyst Hammersmith Borough Coun-cil. Annual Report of the - for 1924. P. A. E. Richards 237. Public Health Ministry of Health. Dried Milk. Statutory Rules and Orders 1923. NO. 1323. - England. 343. Public Health Ministry of Health. Solubility of Glazes and Enamels Used in Cooking Utensils. Reports on - and Medical Subjects. G. W. Monier-Williams 133. Public Health Regulations Ministry of Health : Milk and Dairies (Consolidation Act) 1915, Circular 612 ; Preservatives etc. in Food-Statutory Rules and Orders 1925 775; - (Preservatives etc.in Food) 1925, Circular 606. 453. Publications Received 1925 48 160 208, 316 588. Purity Ice ; The - of. 0. v. Hubay 631. VOLUME L. Purity :. Organic compounds ; Fluorescence as a criterion of - in. E. Bayle and R. Fabre 256. Putrefying Flesh Alcohol ; Detection of -by means of. Liittge and Mertz 190. Pyorubin Red water-soluble pigment charac-teristic of B. pyocyaneus ; - a. P. D. Meader G. H. Robinson and V. Leonard 573. Pyrazole Metals as double halogenides with pyridine antipyrine - or aniline ; Identi-fication of. I. M. Kolthoff and H. Hamer 90. Pyridine Metals as double halogenides with - antipyrine pyrazole or aniline ; Identi-fiation of. I. M. Kolthoff and H. Hamer 90.Pyrites Copper in iron - ; Determination of. T. Heczko 579. Pyrogallol and Catechol Derivatives Hydrogen ion concentration on the colorimetric deter-mination of - ; The influence of. s. Glasstone 49. Bismuth and its separation from lead by - . Determination of. F. Feigl and H. Ordeli 252. Pyrogallol Solutions Absorption of oxygen and liberation of carbon monoxide by alkaline - ; The. T. J. Drakeley and H. Nicol 578. Pyrogallol Solutions Oxygen by alkaline - ; Absorption of. T. J. Drakely and H. Nicol, 636. Pyrogallol : Q Qualitative Analysis Mitchell’s ferrous tar-trate reagent in -; The use of. A. H. Ware 127. bismuth subnitrate ; Elimination of. A. Keschan 579. Qualitative Analysis Phosphoric acid in - by bismuth subnitrate ; Elimination of.A. Keschan 200. Qualitative Test Weak bases; - for. R. Robinson 304. Qualitative Tests Copper iron and cobalt ; New -for. M. L. Nichols and S. R. Cooper 358. Quantitative Colour Test Grignard reagent ; - for the. Queensland - . Report of the Government Analyst for the Year Ended June 30 1924. J. B. Henderson 20. Quercitin Tea leaves ; - in. J. J. B. Deuss 348. Quinhydrone Electrode Dairy products by Biilmann’s - ; Measurement of PH value of. V. Lester 37. Quinine Prescribed medicine ; Excess of -in (Legal Notes). 184. Qurflitative Analysis Oxalic acid in - by H. Gilman and F. Schulze 523. R Radium Tantalum niobium and titanium ; Determination of - in minerals containing P. Curie 152. Rancidity Fat and oils ; Detection of - in.T. von Fellenberg 245 INDEX TO Rancidity Fats ; The - of. H. E. Fierz-David 244. Rancidity Kreis test ; - and the. T. W. Jones 77. Rare Earths Thorium from zirconium and the tervalent - ; Separation of. L. Fernandes, 253. Rare Earths Uranium; Separation of -from. Alkali uranylsalicylates. G. Canneri and L. Fernandes 35. Raspberry Strawberry pineapple - and Concord grape ; Non-Volatile acids of the. E. K. Nelson 295. Rat Chlorinated milk on the albino -; Effect of. J . W. Read 518. Rat Virus London ; Use of - in. 555. Rats Excreta of - on a diet low in this factor ; Vitamin B in. Rats Growth and fertility of white -; Mineral deficiencies of milk as shown by. A. L. Daniels and M. K. Hutton 246. Raw or Vulcanised Rubber Sulphur in mixtures of - ; Determination of.V. C. Butironi, 87. Reactions Nitrates and nitrites ; New - of. S. VAgi 308. Reagent Aluminium; New - for. L. P. Hammett and C. T. Sottery 152. Reagent Carbon monoxide ; On the absorption of. Part I. A critical comparison of some methods employed in gas analysis. Part 11. Advantages of using hot -. H. K. Ambler and T. C. Sutton 167. Reagent. Nitrates and perchlorates ; New organic - for the detection of. C. S. Marvel and V. du Vigneaud 93. Reagent Qualitative analysis ; The use of Mitchell’s ferrous tartrate __ in. A. H. Ware 127. Reagents Antirachitic substance in cod liver oil to - ; Resistance of the. C. E. Bills 410. Red Lead Pb,O in -; Volumetric deter-mination of. E. F. Egg 199. Red Tautomeride Creatinine ; Chemistry of Jaffe’s reaction for.11. Effect of substitution in the creatinine molecule and a possible formula for the -. Red Water-Soluble Pigment Pyorubin a -characteristic of B. pyocbaneus. P. D. Meader G. H. Robinson and V. Leonard 573. Reducing Agent Iron ; Copper as a - in the determination of. Reducing Powers Sugars ; Relative - of. A. W. Rowe and B. S. Wiener 407. Reducing Substances Different vinegars ; -in. G. Reif 191. Reducing Sugars Fehling’s solution for the volu-metric determination of - ; Preparation of. J. H. Lane and L. Eynon 244. Reductions Oxidations or - ; Porous electrode for. M. Knobel 527. Refrigerated Holds Department of Scientific and Industrial Research. Food Investigation Board. Special Report No.21. The “gas” content and ventilation of - carrying apples. 187. W. D. Salmon 628. I. Greenwald 350. J . M. Hendel 91. VOLUME L. xlv Regulations Colouring Matters ; Italian __ on Report City and County of Kingston-upon-Annual - of the Public Analyst and A. R. Tankard 551. Annual - of J. F. Liverseege, City Analyst’s -189. Hull. Bacteriologist for 1924. the City Analyst for 1924. 337. Report City of Birmingham. for the First Quarter 1925. J . F. Liverseege, 446. Report City of Birmingham. - of the City Analyst for the Third Quarter 1924. J. F. Liverseege 67. Report City of Birmingham. - of the City Analyst for the Fourth Quarter 1924. J . F. Liverseege 184. Report City of Birmingham. - of the City Analyst for the Second Quarter 1925.J . F. Liverseege 502. Report City of Birmingham. - of the City Analyst for the Third Quarter 1925. J . F. Liverseege 605. Report County Borough of Bolton. Annual - of the Public Analyst for 1924. H. Hurst 501. Report County Borough of Salford. Annual - of the Borough Analyst for 1924. G. D. Elsdon 607. Report County of Kent. - of the County Analyst for the Fourth Quarter 1924. F. W. Arnaud 287. Report Department of Scientific and Industrial Research. Food Investigption Board. Special - No. 21. The “ gas content and ventila-tion of refrigerated holds carrying apples, 187. Report Department of Scientific and Industrial Research. Food Investigation Board. Special - No. 22. “Brown Heart in Australian Apple Shipments.’’ 188.Report Department of Scientific and Industrial Research. - of the Food Investigation Board for 1923. 71. Report Fertilisers and Feeding Stuffs Advisory Committee ; - of the. 557. Report Fuel Research Board. - for Period Ended 31st December 1924. 621. Report Government Chemist upon the work of the Government Laboratory ; - of the. For the Year Ending March 31st 1925, 504. Report Government of Madras. - of the Chemical Examiner for the Year 1924. 449. Report Government of Palestine. Annual -of the Department of Health for the Year 1923. 22. Report Hammersmith Borough Council. An-nual - of the Public Analyst for 1824. P. A. E. Richards 237. Report Meteorological Office Air Ministry. Advisory Commitee on Atmospheric Pollution.- on Observations in the Year Ending March 31st 1924. 452. Report Ministry of Health. Sixth Annual Report City of Birmingham. - 1924-1925. 607 xlvi INDEX TO VOLUME L. Report Minnesota State Dairy and Food Commissioner Twentieth Biennial - 1924. 511. Report New South Wales. Department of Public Health. Annual - of the Govern-ment Analyst for the Year 1923. T. Cooksey, 73. Report New Zealand. Fifty-seventh Annual - of the Dominion Laboratory. 340. Report Queensland. - of the Government Analyst for the Year Ended June 30 1924. J . B. Henderson 20. Report Stepney ; Metropolitan Borough of. Annual - of the Borough Analyst for 1924. D. Henville 447. Report Water ; Advisory Committee on. -on hleasures for the Protection of Under-ground Water 509.Reports Ministry of Health. Solubility of Glazes and Enamels Used in Cooking Utensils. - on Public Health and Medical Subjects. G. W. Monier-Williams. 133. Reproductive Potency Dry milk as affected by oxidation; - of. G. C. Supplee and 0. D. Dow 245. Research Board Fuel -. Report for Period Ended 31st December 1924. 621. Resin Acids - ; Determination of. R. Jungkunz 357. Resins Hops ; Determination of hard and soft - in. A. C. Chapman 141. Review of Books : Acids - and Alkalis; Vol. IV. of the Manufacture of. G. Lunge 534. Agricultural Chemists Association of Official -; Official and Tentative Methods of Analysis of the 529. Auralis Acids and - ; Vol. IV. of the Manufacture of. G. Lunge 534. Allen’s Commercial Organic Analysis.Vol. 2. Fixed Oils Fats and Waxes. Edited by S. S. Sadtler E. C. Lathrop and C. A. Mitchell 156. Allen’s Commercial Organic Analyses. Vol. 111 527. Analysis Quantitative - and its Practical Application; The Theory of. H. Bassett, 309. Anatomy S. P. E. Tracts. No. IX. The Language of -. W. C. Morton. No. XV. The Split Infinitive. H. W. Fowler 536. b u d Tables . Constants and Numerical Data; - of Chemical Physical and Technological. Vol. 5. 476. Antiquities - Their Restoration and Preservation. A. Lucas 102. Applied Chemistry Progress of - ; Re-ports of the. Vol. IX. 477. Atome d’E1kment Chimique et d’ -; Les Notions Fondamentales. G. Urbain, 641. 1’Atome L‘Origine Tourbillonnaire de -e t ses Conskquences. J. V. D’Ainvelle 204.Biochemistry Fats ; The (Monographs on - ). J . B. Leathes and H. S. Raper 583. Reviews of Books-continued : Bituminous Substances. P. E. Spielmau, 257. Boiler Feed Water. N. Simplcins and A. Dawe 367. Ceramic Materials Clays and Other -; The Chemistry and Physics of. A. B. Searle, 45. Chemical Age Dictionary Chemical Terms ; - of 315. Chemical Analysis Inorganic and Organic Substances; A Systematic Course of Qualitative - of. H. W. Schimpf 98. Chemical Reactions Common Elements ; Charts of the - of the. J. A. Timm, 257. Chemical Science Twentieth Century ; Chem-in the. An Account of the Achievement and the Present State of Knowledge in - E. F. Armstrong (as Chairman and Editor) 39. Chemical Synonyms Trade Names ; Com-panion to the First Edition of - and.W. Gardner 588. Chemical Terms Dictionary of -; The “ Chemical Age.” 315. Chemistry Applied - ; Reports of the Progress of. Vol. IX. 477. Chemistry Clays and Other Ceramic Materials ; The - and Physics of. A. B. Searle 45. Chemistry Colloid - ; The Foundations of. A Selection of Early Papers Bearing on the Subject. E. Hatschek 478. Chemistry Colloidal - ; The Elements of. H. Freundlich 158. Chemistry Early - ; The Story of. J. M. Stillman 362. Chemistry Inorganic - ; Modern. J. W. Mellor 530. Chemistry Literature of - ; An Intro-duction to the. F. A. Mason 421. Chemistry Man; - in the Service of. A. Findlay 259. Chemistry Medical Students ; A Manual of - for. A. P. Luff and H. C. H. Candy 643. Chemistry Micro-Methods ; Practical -by.E. C. Grey 423. Chemistry Physical - ; A System of. W. C. M. Lewis 586. in the. Chemistry Twentieth Century ; -An Account of the Achievement and the Present State of Knowledge in Chemical Science. E. F. Armstrong (as Chairman and Editor) 39. Chemists German-English Dictionary for -; A. A. M. Patterson 260. Chemists Methods of Analysis of the Asso-ciation of Official Agricultural - ; Official and Tentative 529. Chemists’ Year Book; The -. F. W. Atack 421. Clays Ceramic Materials ; The Chemistry and Physics of - and Other. A. B. Searle 45 INDEX TO VOLUME L. xlvii Reviews of Books-continued .-Coal Tar Constituents of - ; The. P. E. Spielman 206. Cold Working Steel; Wire Drawing and the - of. A. T. Adam 644.Colloid Chemistry Foundations of - * The. A Selection of Early Papers Bearing on the Subject. E. Hatschek 478. Colloid Chemistry. J . Alexander 259. Colloidal Chemistry Elements of -; The. H. Freundlich 158. Common Elements Chemical Reactions of the -; Charts of the. J. A. Timm 257. Compositors University Press Oxford ; Rules for - and Readers at the. H. Hart 535. Concentration Sulphuric Acid ; The -of. J. W. Parkes 99. Constants Annual Tables of - and Numerical Data Chemical Physical and Technological. Volume 5. 576. (Contact Process) Sulphnric - ; The Manu-facture of. F. D. Miles. Vol. IV. of the Manufacture of Acids and Alkalis. By G. Lunge. 534. Dairy Analysis Laboratory Book of - ; The H. D. Richmond 422. The - of. H.M. Bunbury 159. Detergent Industry Soap and - Including Glycerol Manufacture ; The Modern. Vol. I. Theory and Practice of Soap-making. G. Martin 100. Dictionary Chemical Terms ; The “ Chemical Age” - of. 315. Dictionary Chemists ; A German-English - for. Digitalis Allies ; The Action and Uses in Medicine of - and its. A. R. Cushny, 533. Early Chemistry - ; The Story of. J. M. Stillman 362. Element Chimique Les Notions Fonda-mentales d’-et d’Atome. G. Urbain 641. Elements Chemical Reactions of the Common - ; Charts of the. J. A. Timm 257. Engineers Metallurgy for - ; A Course of. F. C. Thompson 557. Enzyme Action Nature of - ; The. (Mono-graphs on Biochemistry edited by Dr. R. H. A. Plimmer and Sir F. G. Hopkins). W. M. Bayliss 479.Extra Pharmacopoeia ; Martindale and West-cott The - of. W. H. Martindale and W. W. Westcott 98. Fats - ; The (Monographs on Biochemistry J. €3. Leathes and H. S. Raper 583. Fixed Oils Fats and Waxes Allen’s Com-mercial Organic Analysis. Vol. 2. -Edited by S. S. Sadtler E. C. Lathrop and C. A . Mitchell 156. Food Scientific Preservation of - ; The. T. M. Rector 365. Forensic Medicine. Gases Specific Heats of -; The. J. R. Partington and W. 6. Shilling 158. Destructive Distillation Wood ; A. M. Patterson 260. S. Smith 368. Reviews of Books-continued : Gaz Nobles L’Hydroghe e t les -. J. J. Van Laar 420. German-English Dictionary Chemists ; A -for. A. M. Patterson 260. Glycerol Manufacture Soap and Detergent Industry Including - ; The Modem.Vol. 1. Theory and Practice of Soap-Making G. Martin 100. Handbook Volumetric Analysis ; A Systema-tic - of. F. Sutton 42. Heats Gases ; The Specific - of. T. R. Partington and W. G. Shilling 158. et les. J . J. L’Hydroghne Gaz Nobles ; -Van Laar 420. Inorganic and Organic Substances Qualita-tive Chemical Analysis of - ; A Systema-tic Course of. H. W. Schimpf 98. Inorganic and Theoretical Chemistry Com-prehensive Treatise on -; A. Vol. 5. J. W. Mellor 154. Inorganic Chemistry - ; Modern. J.W. IMellor 530. Laboratory Book Dairy Analysis The -of. H. D. Richmond 422. Literature Chemistry ; An Introduction to the - of. F. A. Mason 421. Man Service of - ; Chemistry in the. A. Findlay 259. Manual of Chemistry Medical Students ; A for.A. P. Luff and H. C. H. Candy, 643. Manual of. A. P. Luff and H. C. H. Candy, 643. Medicaments Organic - and Their Pre-paration. E. Fourneau 532. Medicine Digitalis and its Allies ; The Action and Uses in - of. A. R. Cushny, 533. Medicine Forensic -. Medicine Students of - ; Physical Chemis-try for. A. Findlay 313. Metallurgy Engineers ; A Course of - for. F. C. Thompson 587. Metallurgy - An Elementary Text-Book. E. L. Rhead 207. Micro-Analysis Organic - ; Quantitative. F. Pregl 96. Mikrorochemisches Praktikum. F. Emich, 41. Micro-Methods Practical Chemistry by -. E. C. Grey 423. Numerical Data Constants and - ; Chemi-cal Physical and Technological ; Annual Tables of. Vol. 5. 476. Official Agricult.ural Chemists Association of - ; Official and Tentative Methods of Analysis of the.529. Official- and Tentative Methods of Analysis : of the Official Agricultural Chemists; -Association of. 529. Organic Analysis Commercial - ; Allen’s Vol. 2. Fixed Oils Fats and Waxes. Edited by S. S. Sadtler E. C. Lathrop and C. A. Mitchell 156. Medical Students Chemistry for - ; A S. Smith 368 xlviii INDEX TO VOLUME L. Reviews of Books-continued : Organic Analysis Allen’s Commercial -. Vol. 111. 527. Organic Analysis Qualitative - An Ele-mentary Course in the Identification of Organic Compounds. 0. Kamm 44. Organic Compounds Qualitative Organic Analysis. An Elementary Course in the Identification of -. Organic Compounds Synthetic -. S. P. Schotz 258. Organic Medicaments Preparation ; - and Their.E. Fourneau 532. Organic Micro-Analysis - ; Quantitative. F. Pregl 96. Organic Research - ; Introduction to. E. E. Reid 314. Organic Substances Qualitative Chemical Analysis of Inorganic and -; A Sys-tematic Course of. 1’0rigine Tourbillonnaire 1’Atome et ses Conskquences ; - de. J. V. D’Ainville, 204. Pharmacopoeia Extra - ; The. Revised by W. H. Martindale and W. W. Westcott, 585. Pharmacopoeia Martindale and Westcott ; The Extra - of. Vol. I. W. H. Martin-dale and W. W. Westcott 98. Physical Chemistry Students of Medicine ; - for. A. Findlay 313. Physical Chemistry System of - ; A. W. C. >‘I. Lewis 586. Physico-Chemical Evolution. C. E. Guye, 582. Physics Clays and Other Ceramic Materials ; The Chemistry and-of.A. B. Searle 45. Qualitative Chemical Analysis Inorganic and Organic Substances ; A Systematic Course of - of. H. W. Schimpf 98. Qualitative Organic Analysis - . An Elementary Course in the Identification of Organic Compounds. 0. Kamm .44. Quantitative Analysis Practical Application ; The Theory of - and its. H. Bassett, 309. Quantitative Organic Micro-Analysis. F. Pregl 96. Quantum Theory System of Physical Mc. C. Lewis 202. Physical Chemistry System of - * A. Vol. 111. Quantum Theory. W. C. kkC. Lewis 202. Practical Chemistry Micro-Methods ; -. by. E. C. Grey 423. Preservation Food ; The Scientific - of. T. &I. Rector 3G5. Readers Compositors and - at the University Press Oxford ; Rules for. H.Hart 535. Reduction lethods Volumetric Analysis ; hTew - in. E. Knecht and E. Hibbert, 257. Reports Applied Chemistry ; - of the Progress of. Vol. IX. 477. 0. Kamm 44. H. W. Schimpf 98. Chemistry; ,4. Vol. 111. - . w . c. Reviews of Books-continued : Research Organic - ; Introduction to. E. E. Reid 314. Rules Compositors and Readers at the University Press Oxford ; - for. H: Hart 535. Saccharides Configuration of the - ; The. 1. Boeseken 366. Soap and Detergent Industry Modern -, Including Glycerol Manufacture ; The. Vol. 1. Theory and Practice of Soap-Making. G. Martin 100. Soap-Making Modern Soap and Detergent Industry Including Glycerol Manufacture ; The. Vol. 1. Theory and Practice of - . G. Martin 100. S.P.E. Tracts - . No.IX. The Language of Anatomy. W. C. Morton. No. XV. The Split Infinitive. H. W. Fowler 536. Specific Heats Gases ; The - of. J. R. Partington and W. G. Shilling 158. Spectroscopy -. Vol. 1. E. C. C. Baly 157. Split Infinitive S. P. E. Tracts. No. IX. The Language of Anatomy. W. C. Morton. No. XV. The -. H. W. Fowler 536. Steel Cold Working of - ; Wire Drawing and the. A. T. Adam 644. Students of Medicine Physical Chemistry for -. A. Findlay 313. Sulphuric Acid Concentration of -; The. J. W. Parkes 99. Sulphuric - (Contact Process) ; The Manufacture of. F. D. Miles. Vol. IV. of the Manufacture of Acids and Alkalis. By G. Lunge 534. Symbtrie Ses Applications ; Le Principe de - et. F. M. Jaeger 642. Synthetic Organic Compounds. S. P. Schotz, 258.Systematic Course Inorganic and Organic Substances ; A - of Qualitative Cheni-ical Analysis of. H. W. Schimpf 98. Systematic Handbook Volumetric Analysis ; A - of. F. Sutton 42. Tables Constants and Numerical Data ; Annual - of Chemical Physcial and Technological. Volume 5 476. Tar Coal - ; The Constituents of. P. E. Spielman 206. Technical Writing. T. A. Rickard 46. Text-Book Metallurgy. An Elementary -. E. L. Rhead 207. Theoretical Chemistry Inorganic and - : A Comprehensive Treatise on. Vol. 5. T. W. Mellor 154. Tracts S. P. E. -. No. IX. The Language of Anatomy W. C. Morton. No. XV. The Split Infinitive. H. W. Fowler 536. Trade Names Chemical Synonyms and - . Companion to the First Edition of. \V: Gardner 588. Twentieth Century Chemistry in the -.An Account of the Achievement and the Present State of Knowledge in Chemical Science. E. F. Armstrong (as Chairman and Editor) 39 INDEX TO VOLUME L. xlix Reviews of Books-continued : University Press Compositors and Readers a t the - Oxford Rules for. H. Hart, 535. Volumetric Analysis Reduction Methods in -; New. E. Knecht and E. Hibbert, 257. Volumetric Analysis Systematic Handbook of - ; A. F. Sutton 42. Water Boiler Feed -. N. Simpkins and A. Dawe 367. Water Supplies Waters and -; The Examination of. J. C. Thresh and J . F. Reale 310. Waters - and WTater Supplies The Examination of. J . C. Thresh and J. F. Beale 310. Wire Drawing Steel; - and the Cold Working of. A. T. Adam 644. Wood Destructive Distillation of - : The.H. M. Bunbury 159. Writing Technical -. T. A. Rickard 46. Year Book Chemists’ - ; The. F. W. Atack 421. Rosaceous Fruit Pectin liquefaction during ripening of -. C. Griebel 297. Rotary Dialyser. A. Astruc and E. Canals 476. Rotations Lemon oil and sweet orange oil in alcoholic solution ; Optical - produced by. W. W. Randall 28. Rubber Goods Parafin wax in - Deter-mination of. J. Lagerqirst 251. Rubber Raw or vulcanised - Deter-mination of sulphur in mixtures of. V. C. Rutironi 87. (Rubber Solutions) Highly viscous fluids - ; Viscometry of. R. Ditmar 527. Rubber Stopcaps (Notes). H. P. Stevens 131. Rules and Orders Ministry of Health. Draft - 1925. Public Health England 135. Rupp Method Chlorine in milk The - for the detection of.J . T. Keister 624. Rye Extract of ergot of -; Therapeutic va!ue of. A. Goris and A. Liot 103. S Saccharin p-sulphamino-benzoic acid in -and crystallose ; Detection and determination of. I. 17.1. IColthoff 465. Safflower Sunflower and -. Distinctive features of the seeds and cakes. Vizern and Guillot 408. Saffron Japanese -. Sale of Food and Drugs Acts Ministry of Health Circular 553. - etc. R. B. Cross 25. Sale of Foods and Drugs Acts New Zealand Department of Health. Regulations under the - 1908. 30th June 1924. 140. Sslford County Borough of -. Annual Report of the Borough Analyst for 1924. G. D. Elsdon 607. E. Skarnitzl 31. Salicylic and Benzoic Acids Wines ; - in. 614. Saliva Diastatic activity of - ; Influence of different substances on the.H. Walker 466. Salivary Digestion Halogen salts on - ; Effect of. W. M. Clifford 466. Salmonella Group Medical Research Council. Investigation of the - with Special Reference to Food Poisoning. 239. Salt Bacterial flora of - . Rappin and Grosseron 8 1. Salt Error Cresol red ; - of. W. D. Ramage and R. C. Miller 354. Salts Halogen - on salivary digestion ; Effect of. W. M. Clifford 466. Salts Hydrazine and its - * Electro-metric titration of. E. C. Gilbert 94. Salts Polarisation of sugar solutions ; Effect of some inorganic - on the. R. J. Brown, 143. Samples - Mixing of (Legal Notes) 71. Sands “ Permeability-to-gas ” of - ; Method of testing the. Santonicas True and false -. T. E. Wallis and E.J . Mowat 566. Sapindurr mukorossi utilis (Trabuti) Saponins. 111. The sapogenin occurring in Sapindus saponaria L. and -. Sapindus saponarin L. Saponins. 111. The sapogenin occurring in - and Sapindus muhorossi utilis (Trabuti). N7. A. Jacobs, 467. Sapogenin Saponins. I. The - obtained from soapnuts. Sapogenin Saponins. 111. The - occurring in Sapindus saponaria L. and Saoindus mukorossi utilis (Trabuti). W. A. Jacobs, 467. Saponins Research work on - ; Recent. L. Kofler 31. Saponins - . I. The sapogenin obtained from soapnuts. Saponins -. 111. The sapogenin occurring in Sapindus saponaria L. and Sapindus mukorossi utilis (Trabuti). W. A. Jacobs, 467. Sausages Total protein in - ; Ratio of gelatin-forming substance to. 0. Luning and S.Gero 347. Scarlet Fever Ice cream ; An epidemic of -spread by. Schedule Poisons - Additions to. 291. Seals Safeguarding of - ; The (Notes) B. S. Evans 130. Seals Safe-guarding of - ; The (Notes). B. S. Evans 398. Seals Safeguarding of - ; The (Notes). T. R. Hodgeson 236. Seed Hairs Milkweed The - of the. A. W. Schorger 47 1. Seeds Oil ; - of Citrullus vulgaris as a source of. 462. Seeds Sunflower and safflower. Distinctive features of the - and cakes. Vizern and Guillott 408. A. I,. Curtis 638. W. A. Jacobs 467. W. A. Jacobs 352. W. A. Jacobs 352. G. H. Ramsey 574 1 INDEX TO Selenium Sulphur dioxide in hydrochloric acid solution; Separation of - and tellurium by. V. Lenher and C. H. Kao 255. Semi-selective Antiseptic Effect Vegetable oils, essential oils their constituents and similar compounds; - of vapours of.0. Schobl, 467. Sensitive Golour Reaction Magnesium ; - for. F. L. Hahn H. Wolf and S. Jager 35. Sensitive Differential Reaction Cerium - of. L. Fernandes 638. Sensitive Tests Copper ; - for. G. Spacu, 580. Serum Blood - and of sugars on haemolysis ; Influence of. Serum Cholesterol in whole blood or blood -Modification of Bloor’s method for the dcter-mination of. Serum Indicator (cresol red) by -in the spectrophotometric determination of the PH ; The adsorption of. Serum Proteins Formaldehyde and - ; Mec-hanism of the interaction of. R. R. Henley, 350. Serum Sodium in small amounts of -: Iodimetric method for the determination of.B. Kramer and I. Gittlcman 147. Shell-Fish Pollution in - ; Detection of. J. W. H. Eyre 80. Shells Transparency of the - of eggs on keep-ing ; Modifications in the. A. M. Leroy 25. “Sherry” Term - ; Connotation of the (Legal Notes). 338. Shoe Dyes Poisoning by -. C. W. Muehl-berger 468. S$p Muscle of - Nitrogen distribution in. D. B. Jones 0. Moeller and C. E. F. Gersdorff 568. Shrimps Bad - Knowledge precludes “ prejudice ” (Legal Notes) 290. Shrimps Boric acid in - (Legal Notes) 552. Silage Analysis - . Methods employed in. H. E. Woodman 52i. Silica-Gel Bacteriological cultures ; Rapid method of preparation of - for. iM. Souleyre 629. Silica Ware Surface devitrification on laboratory - ; Elimination of. F. C. Vilbrandt 527. Silicates Alkalis in - ; Determination of.0. Cantoni 581. Silicates; Ferric oxide in insoluble - ; Deter-mination of. 0. Hackl 526. Silk Ultra-violet rays ; Study of the secretion of - by means of. A. Policard and A. Paillot 582. Silver Iodide bromide and chloride of -; Ar electrometric study of the separation of the. H. T. S. Britton 601. Skatole Tryptophane by the vanillin and hydrochloric acid reaction ; Colorimetric determination of. Quantitative separation from indole and -. I. Kraus 246. Skimmed Milk Powders Food ; Whole and - as. Observations on a new vitamin for reproduction. L. T. Anderegg and V. E. Nelson 351. W. P. Kennedy 467. G. E. Sackett 412. E. F. Hirsch 256. VOLUME L. Skin Boric acid through the - by osmosis ; The passage of.L. Kahlenberg 83. Snail Nutritive value of the - (Helix pomatia L.). L. Leger 76. Soapnuts :’ Saponins. I. The sapogenin obtained from -. W. A. Jacobs 352. Soaps Detergent efficiencies of -; Test for comparing. R. M. Chapin 355. Society of Public Analysts and other Analytical Chemists Proceedings of the 1925 1 49, 103 161 209 261 317 369 425 481. Sodium Alkali metals by the use of perchloric acid ; Separation and determination of the. 111. Normal butyl alcohol and ethyl acetate as mixed solvents in the separation and determination of potassium - and lithium. G. F. Smith and J. F. Ross 307. Sodium Benzoate Ingestion Blood and urine ; Effect of - upon the composition of the, with especial reference to the possible syn-thesis of glycine in the body.W. W. Swanson, 197. Sodium Dithionate - * Examination of. F. M. Litterscheid and H. Lijwenheim 36. Sodium Hyposulphite. - (Hydrosulphite) in organic analysis ; Application of. E. Clark 199. Sodium Serum ; Iodimetric method for the determination of - in small amounts of. B. Kramer and I. Gittleman 147. Soft Resins Hard and - in hops; Deter-mination of. A. C. Chapman 144. Soil Organic Matter Humification of - -Determination of the degree of. G. W: Robinson and J. 0. Jones 148. Soils Ammoniacal nitrogen in - ; Deter-mination of the. W. McLean and G. W. Robinson 33. Soils Manganese in agricultural - ; Deter-mination of. G. Bertrand 85. Soils Vital factors in - plants and animals ; Copper manganese zinc nickel and cobalt as. Solids Fggs.; Rapid routine method for the determination of total - in.R. Hertwig and L. H. Bailey 406. Solubilities Alkali metals by the use of per-chloric acid ; Separation and determination of the. I. - of the perchlorates of the alkali metals in mixed organic solvents. G. F. Smith 254. Solubilities Phosphates of zirconium and hafnium; - of the. G. Hevesy and K. Kimura 637. Soluble Sulphates Barium chloride and po-tassium stearate ; The volumetric deter-mination of - by means of. H. Atkinson, 590. Solutions Collodion membrane ultra-filter ; A. Physico-chemical analysis of -. E. Fouard 201. Solutions Novocaine ; Colorimetric deter-mination of - of. P. Chertmy 78. Solutions PH values of -; Colorimetric determination of the. E. Richard 304.1. S. McHargue 409 INDEX TO Solvents Alkali metals by the use of perchloric acid ; Separation and determination of the. I. Solubilities of the perchlorates of the alkali metals in mixed organic -. G. F. Smith 254. $olvents Alkali metals by the use of per-chloric acid ; Separation and determination of the. 111. Normal butyl alcohol and ethyl acetate as mixed - in the separation and determination of potassium sodium, and lithium. G. F. Smith and J. F. Ross 307. Solvents Egg-yolk into fractions by - ; Separation of. M. A. Rakusin and G. Pekar-skaja 242. South Georgian Whale Oil Natural unsaturated fatty acids ; Constitution of Part. 11. Some acids present in a -. E. F. Armstrong and T. P. Hilditch 303. South Western United States Plant gums of the - ; Some.E. Anderson L. Sands and N. Sturgis 635. Soya Beans Vitamin content of - ; The. C. Hornemann 298. Sparteine Grant’s test for -. J. F. Couch, 144. Specific Gravity Aggregates ; Apparatus for determining the - of. F. H. Tucker 362. invert sugar and the. F. W. Zerban. 294. Specific Rotation Clerget divisor ; - of Spectacles Daylight - (Notes). H.’ Weisz, 605. Spectacles Laboratory; Artificial daylight - for the. H. Weiss 362. Spectrophotometric Determination Indicator (cresol red) by serum in the - of the PH ; The adsorption of. E. F. Hirsch 256. Spectrophotometric Determination PH ; -of. F. Vlks 201. Spectroscope Lighting Unit Simple and self-contained - * A. R. C. Frederick and E. R. Webster ’234. Spectroscopy Cobalt by - and chromoscopy ; New method for the immediate detection and determination of.G. Denigh 419. Spectroscopy Food chemistry ; Application of ultra-violet - to. R. Dietzel and K. Taufel 308. Spectrum Polarimetric use ; Lithicm arc -for. P. C. Austin 476. Spelter Cadmium in - and alloys ; Deter-mination of (Notes). W. R. Schoeller 18. Spirit Strength of - kept in open bottles ; Loss of (Notes). J. McCrae and J . Hawken 66. Spirits Acetone in - ; Detection of. I. M. Kolthoff 464. Splash-Head Kjeldahl apparatus ; New -for (Notes). H. Lowe 605. Spontaneous Decomposition Butter fat ; -of. C. .4. Browne 144. Spray Materials Polysulphide sulphur in - * Determination of. W. Goodwin and H: Martin 148. Stain Blood films ; Useful - for. A. I<.Gordon 148. Stains Egg yolk - Identification of. Barthe 522. VOLUME L. li Standard P-Nitrobenzoic acid as an acidimetric -; Use of. W. M. Thornton jun. and D. Getz 304. Standardisation British Chemical Standards ; Points arising from the Analytical - of. C. H. Ridsdale and N. D. Ridsdate 425. Standardisation British Chemical Standards ; (Notes). C. H. Ridsdale and N. D. Ridsdale, 500. Standardised Acid or Base Buffer mixtures prepared without the use of -. I. RI. Kolthoff 251. Stannic Hydrides Stannous and - W. Vaubel and H. von Mairhofen-Aulenbach 575. Stannous Hydrides Stannic and -. W. Vaubel and H. von Mairhofen-Aulenbach 575. Statutory Rules and Orders Ministry of Health. Dried Milk. - 1923 No. 1323. Public Health England.343. Statutory Rules and Orders Ministry of Health : Milk and Dairies (Consolidation Act) 1915, Circular 612 ; Preservatives etc. in Food - 1925 775 ; Public Health (Preservatives, etc. in Food) Regulations 1925 Circular 606. 453. Steel Molybdenum in - * Determination of. 0. L. Maag and C. H. McCollam 360. Stepney Metropolitan Borough of -. Annual Report of the Borough Analyst for 1924. D. Henville 447. Sterile Conditions PH of culture media under -; Adjustment of. L. M. Christensen and E. I. Fulmer 630. Stopcaps Rubber - (Notes). H. P. Stevens, 131. Stopcock Orifice Flowmeter. J. Sharp 475. Strawberry - pineapple raspberry and Concord grape ; Non-Volatile acids of the. E. K. Nelson 295. Strength Spirit kept in open bottles ; Loss of - of (Notes).J. McCrae and J. Hawken, 66. Subcutaneous Fat Human - ; Fatty acids in. H. C. Eckstein 517. Sublimation Apparatus. A. Gutbier and T. Payer 38. Substances Saliva ; Influence of different -on the diastatic activity of. H. Walker 466. Substitution Products Organic thiocyanogen - ; Preparation of. H. P. Kaufmann 634. Sucrose Condensed milk ; Polarimetric deter-mination of -in. G. Jorgensen 113. Sucrose Glucose and fructose on the rate of hydrolysis of - by invertase from honey ; Influence of. J. 3%. Nelson and C. T. Sottery, 76. Sucrose Sugars ; Colorimetric determination of - in the presence of other. H. liiffart and C. Pyriki 26. Sugar Blood - ; Determination of. S. R. Benedict 414. Sugar Blood - * Micro-method for the determination of.E. Komm 568. Sugar Cane - in condensed milk; Deter-niination of. K. Scheringa 625. Points arising from the Analytical - o lii INDEX TO Sugar Invert - and the Clerget divisor; Specific rotation of. F. W. Zerban 294. Sugar Milk; Determination of milk - in (Notes). H. D. Richmond and L. R. Ellison, 17. Sugar Solutions Polarisation of - ; Effect of some inorganic salts on the. R. J. Brown, 143. Sugars Blood serum and of - on hae-molysis ; Influence of. W. P. Kennedy 467. Sugars Free pentoses in plants ; Occurrence of. Effect of extraction of the - with animoniacal alcohol. D. T. Englis and C. Hale 199. Sugars Reducing powers of - ; Relative. A. W. Row-e and B. S. Wiener 407. Sugars Reducing - ; Preparation of Feh-ling’s solution for the volumetric determina-tion of.J. H. Lane and L. Eynon 244. Sugars Sucrose in the presence of other - * Colorimetric determination of. H. Riffart and C. Pyriki 26. p-Sulphamino-Benzoic Acid Saccharin and crystallose ; Detection and determination of - in. I. 14. Klothoff 465. Sulphates Barium chloride and potassium stearate ; The volumetric determination of soluble - by means of. €3. Atkinson 590. Sulphates Guncotton ; The determination of - in. Sulphonal Poisoning ; - . Localisation of - and haematoporphyrin. R. Fabre and H. Simonnet 575. Sulphonal Poisoning - Localisation of sulphonal and haematoporphyrin. R. Fabre and H. Simonnet 575. Sulphonic Acid Dehydrothio-p-toluidine - ; Analysis of. H. R. Lee and D. 0. Jones 88. Sulphur Dioxide Foods ; Determination of -in.K. K. Jarvinen 513. Sulphur Dioxide Selenium and tellurium by -in hydrochloric acid solution ; Separation of. V. Lenher and C. H. Kao 255. Sulphur Milk of - (Legal Notes). 503. Sulphur Xixtures of raw or vulcanised rubber ; Determination of - in. V. C. Butironi 87. Sulphur Spray materials ; Determination of polysulphjde - in. 177. Goodwin and H. Martin 148. Sulphur - ; Rapid examination of. F. Kuhl 153. Sulphuric Acid Nitric acid and nitrates in - ; Detection of. J . Wilson 551. Sulphuric Acid Reaction Butter fat ; The -of. 9. Sjorslev 145. Sunflower Safflower ; - and. Distinctive features of the seeds and cakes. Vizern and Guillot 408. Suprarenal Powders Adrenaline in - by an application of the Denighs-Grimbert-Leclbre reaction ; Determination of.0. Bailly 78. Surface Devitrification Laboratory silica ware ; Elimination of - on. T. C. Vilbrandt 527. Sweet Orange Oil Lemon oil and - in alcoholic solution ; Optical rotations pro-H . B. Dunnicliff 543. VOLUME L. Synthesising Action Protein ; Enzymatic syn-thesis of. V. Note on the - of trypsin . H. Wasteneys and H. Borsook 351. Synthetic Methanol Toxic action of -. R. Hunt 576. System Benzoic acid and benzoates from the - ; Elimination of. Bordas Franqois-Dainville and Roussel 567. T Tables International Critical - ; The. 292. Tamarinds Whortleberries and - ; Acids of. H. Kaiser 20. Tannin Analysis Official method of -: New simplification in the. A. lamet 87. Tannin Carbohydrates ; Nature of the re-action between - and.Part 1. H. B. Stocks and C. V. Greenwood 564. Tannin Drugs containing - ; Identification by chemical methods of. A. H. Ware 564. Tannin Precipitant Cutch and Gambier ; Cinchonine as a - with special reference to the analysis of. D. Hooper 162. Tannins Ferric citrate precjpita tion test for -; Modifications of the (Notes) A. H. Ware 335. Tantalum Iron ; Precipitation of - and niobium by “ cupferron,” and their separation from -. H. Pied 36. Tantalum. Radium in minerals containing - niobium and titanium ; Determination of. P. Curie 152. Tantalum - niobium and their mineral associates ; Investigation into the analytical chemistry of. IV. A new method for the separation of - from niobium. V. The detection and determination of - in nio-bium compounds.A. R. Powell and W. R. Schoeller 485. Tar Oils Phenols in - ; Determination of. J. J. Morgan and M. H. Meighan 471. Tars Wood - in water; Solubility of various. H. N. Calderwood 357. Tartaric Acid Citric from - ; Differentiation of. W. Parri 86. Tartaric Acid - ; Determination of. K. Taufel and C. Wagner 577. Taste a-Amino acids ; Relation between constitution and - of. A. Heiduschka and E. Komm 515. Taste Experimental verification ; A theory of - and its. P. Lazarev 515. Tautomeride Jaffe’s reaction for creatinine ; Chemistry of. 11. Effect of substitution in the creatinine molecule and a possible formula for the red -. I. Greenwald 350. Tea Iron filings in - (Legal Notes). 653. Tea Leaves Quercitin in -.J. J . B. Deuss, 340. Tea Phloroglucinol test ; Identification of - by the. C. J. Stracke 297. Tellurium Selenium and __ by sulphur dioxide in hvdrochloric acid solution ; Separa-duced by. W. W. Ranhall 28. tion of. V. Lenher and C. H. Kao 255. INDEX TO Temperature coefficients Pancreatic and malt amylases; - of enzymic activity and heat destruction of. D. H. Cook 569. Temperatures Cryostat for - extending to -180°C.; A. J. E. Walters and A. G. Loomis 582. Tervalent Rare Earths Zirconium and the -; Separation of thorium from. L. Fernandes 253. Tests Oxycellulose and for the oxidising attack of cotton ; Value and interpretation of - for. C. Birtwell D. A. Clibbens, and B. P. Ridge 150. Textile Oils Methylhexaline in -*; Detection of J.Marcusson 524. Thallium .Compounds Organic chemistry f Application of - in Titrations. G. H. Christie and R. C. Menzies 634. extract of. A. Goris and A. Liot 193. Thermometer Low-temperature - ; Simple. W. A. Noyes 526. Thiazine Red Polychrome methylene blue and - ; Preparation of. F. Proescher and A. P. Krueger 299. Thiocyanate Chloride bromide or - in presence of cyanide ; Determination of. E. Schulek 253. Thiocyanogen Substitution Products Organic - ; Preparation of. H. P. Kaufmann 634. Thorium Zirconium and the tervalent rare earths ; Separation of - from. L. Fernandes, 253. Thymonucleic Acid Type Nucleic acid of the - ; Microchemical test for. R. Feulgen and H. Rossenbeck 81. Thyroid Glands and Preparations Thyroxin in - ; Determination of.T. A. Redonnet 465. Thyroxin Thyroid glands and preparations ; Determination of -in. T. A. Redonnet 465. Tin Alloys ; A new method for the separation and determination of - in. B. S. Evans, 330. Tin Antimony and - by potassium di-chromate ; Electrometric titration of. M. H. Fleysher 94. Tin Lead and - ; Electrolytic separation of. A. Lassieur 35. Tinned and Bottled Peas Zinc in - (Notes). C. H. Cribb and A. L. Still 286. Tinned and Coppered Peas Zinc in - (Notes). C. H. Cribb and A. L. Still 395. Tissue Pectose and pectin in apple -; Relation of. M. H. Carrk 464. Tissues Enzyme action ; Studies on. XXX. Comparative study of characteristic lipase actions of - of different animals and of some human -. F. G. Falk H.M. Noyes and K. Sugiura 194. Tissues Gutzeit method for the determination of arsenic in body - - Electrolytic modi-fication of the. W. E. ’Lawson and W. 0. Scott 414. paratus for measuring the. 300. Therapeutic Value Ergot of rye ; - of Tissues Oxygen consumption of - Ap-A. E. Koehler, VOLUME L. liii Titania Organic reactions a t the surface of - . Adsorption of certain gases by -. F. Bischof and H. Adkins 253. Titanium Radium in minerals containing tantalum niobium and - ; Determination of. P. Curie 152. Toluidine Aniline and - ; Colour test for. H. D. Murray 149. Tomatoes Dyeing property of - (Notes). H. E. Burgess 131. Total Solids .Eggs ; Rapid routine method for the determmaton of - in. R. Hertwig and L. H. Bailey 406. Toxic Action Commercial ether; - of.E. Remy and F. Neuhart 198. Toxic Action Synthetic methanol ; - of. R. Hunt 576. Toxicity Iron cacodylate ; - of. P. Musucci and G. A. Slothower 632. compounds of. T. Karantassis 576. Toxicological Forensic etc. Abstracts 1925 : 83 197 247 300 352 415 468 519 574 632. Toxicological Work Two ptomaines met with in -. L. van Itallie and A. J. Steenhauer, 415. Toxicology Forensic Chemistry ; - and, 74. Toxicology Hydrogen sulphide ; - of. H. W. Haggard 519. Toxicology Organic matter by ‘* perhydrol ” and its application to - ; Destruction of. G. Magnin 300. Trade Description False - (Legal Notes). 68. Tragacanth Gum -. W. Peyer 30. Tragacanth Iron in -. G. Elliott 192. Transition Points Viscometric determination of - ; Apparatus for the.N. H. Hart-shorne 38. Transparency Eggs on keeping ; Modifications in the - of the shells of. A. M. Leroy 25. Transvd Homeria palfida Poisonous alkaloid from the -. M. Rindl 85. Trinitrometacresol Picric acid in a mixture of picric acid and -; Gravimetric determi-nation of. L. Desvergnes 250. Trypsin Enzymatic synthesis of protein. V. Note on the synthesising action of -. H. Wasteneys and H. Borsook 351. Trypsin Insulin; The action of - on. D. A. Scott 351. Tryptophan0 Vanillin and hydrochloric acid reaction ; Colorimetric determination of -by the. Quantitative separation from indole and skatole. I. Kraus 246. Tungsten Molybdenum from - ; Separation of. I. Koppel 36. Tungsten Molybdenum ; Toxicity of com-pounds of - and.T. Karantassis 676. Turnip Flavour Milk ; - of. Orla- Jensen, 619. Turpentine Oil Olive oils and - ; Applica-tion of Wood’s Light to the examination of. Frehse 361. Turpentine Substitute (Legal Notes). 185. Toxicity Tungsten and molybdenum ; - o liv INDEX TO VOLUME L. U Ultra-Centrifuge - ; The. A. new instru-ment for the determination of the size of particles in amicroscopic colloids. T. Svedberg and H. Rinde 95. Ultra-Filter Collodion membrane - ; A. Physico-chemical analysis of solutions. E. Fouard 201. Ultra-Violet Irradiation Antirachitic properties to inert substances by - ; Further report on imparting. A. F. Hess and M. Weinstock, 298. Ultra-Violet Irradiation Inert fluids and to green vegetables by - * Antirachitic properties imparted to.A. F. Hess and M. Weinstock 146. Ultra-Violet Light Fat-Soluble vitamins. XXI. Observations bearing on the alleged induction of growth-promoting properties in air by irradiation with - . E. M. Nelson and H. Steenbock 194. Ultra-Violet Rays Secretion of silk by means of -; Study of the. A. Policard and A. Paillot 582. Ultra-Violet Spectroscopy Food chemistry ; Application of - to. R. Dietzel and K. Taufel 308. United States Department of Agriculture -. Food Inspection Decisions 196 and 197. 562. United States Plant gums of the South Western - ; Some. E. Anderson L. Sands and N. Sturgis 635. Unsaturated Constituents Oils and fats Volu-metric determination of certain - of. H. P. Kaufmann 577. Unsaturated Fatty Acids Natural - ; Con-stitution of.Part 11. Some acids present in a South Georgian whale oil. E. F. Armstrong and T. P. Hilditch 303. Unsaturated Fatty Acids Oxidation of - : X-Ray method of following the. J. J. Tillat, 641. Uranium Cacodylate. Uranium Rare earths from - ; Separation of. Alkali uranylsalicylates. G. Canneri and L. Fernandes 35. Uranylsalicylates Rare earths from uranium; Separation of. Alkali -. G. Canneri aud L. Fernandes 35. Uric Acid Blood ; Determination of - in the. S. R. Benedict 415. Urinary Protein - ; Nature of. A. Hynd, 627. Urine Acidosis ; Studies of. XXI. Colori-metric determination of PH of. -. A. B. Hastings 3. Sendroy Junr. and W. Robson, 628. Urine Amino-nitrophenols in - Detection of.L. Desvergnes 197. Urine Deposits Calcium oxalate in - ; Un-usual crystalline forms of. B. Bardach, 468. Urine Menthol glycuronic acid in - ; Quan-titative determination of. A. J. Quick, 32. E. Isnard 58 1. Urine Small quantities of arsenic and its occurrence in - and in fish ; On certain new methods for the determination of. H. E. Cox, 3. Urine Sodium benzoate ingestion upon the composition of the blood and - ; Effect of, with especial reference to the possible synthesis of glycine in the body. W. W. Swanson 197. V Valencia Orange Juice Volatile constituents of -. Vanadium Ferrovanaduim ; Determination of -in. Koch 418. Vanadium Molybdenum from - ; Separation of. A. E. Stoppel C. F. Sidener and P. H. M. P. Brinton 418. Vanadium - ; Determination of.W. Hart-mann 306. Vanilla Essence Imitation - (Notes). J. S. Maclaurin 548. Vanillin and Hydrochloric Acid Reaction : Tryptophane by the - ; Colorimetric deter-mination of. Quantitative separation from indole and skatole. Vapours Vegetable oils essential oils their con-stituents and similar compounds ; Semi-Schobl 467. Vegetable Colours Fluorescence of -. L. Meunier and A. Bonnet 641. Vegetable Oils Vapours of - essential oils, their constituents and similar compounds ; Semi-selective antiseptic effect of. 0. Schtibl 467. Vegetable Products Nickel and cobalt in -. G. Bertrand and M. Mokragnatz 348. Vegetable. Waxes Candelilla and other - ; Analysis of. A. Leys 355. Vegetables Bacteria and other particulate matter Penetration of fruits and - by.Resistance of bacteria protozoan cysts and helminth ova to common disinfection methods. K. G. Mills C. L. Bartlett and J. F. Kessel, 571. Vegetables Copper salts ; The absorption of copper during the digestion of - artificially coloured with. Vegetables Inert fluids and to green - by ultra-violet irradiation ; Antirachitic proper-ties imparted to. A. F. Hess and M. Wein-stock 146. Ventilation Conditions - ; The investigation of. R. C. Frederick 213. Ventilation Department of Scientific and Industrial Research. Food Investigation Board. Special Report No. 21. The “gas ” content and - of refrigerated holds carrying apples. 187 Asparagus officinalis; Poisoning by - through confusion with. J. Maheu and P. Chkramy 576.Victonan Beeswax Constants of -. Graph for the investigation of beeswaxes (Notes). A. A. Weir 445. J. A. Hall and C. P. Wilson 626. I. Kraus 246. selective antiseptic effect of - of. 0. J . C. Drummond 481. Veratrum album L. INDEX TO VOLUME L. lv Vinegar Dried apples ; Cider - from. U.S.A. Supreme Court Decision (Legal Notes). 185. Vipegars Different - ; Reducing substances in. G. Reif 191. Virus Rat - in London ; Use of. 555. Viscera Alkaloids from - ; Extraction of. R. Fabre 247. Viscometric Determination Transition points ; Apparatus for the - of. N. H. Hartshorne, 38. Viscometry Highly viscous fluids (rubber sol-utions) ; - of. R. Ditmar 527. Viscous Fluids Highly - (rubber solutions) ; Viscometry of. R. Ditmar 527.Vital Factors Soils plants and animals ; Copper manganese zinc nickel and cobalt as - in. J. S. McHargue 409. Vitamin A. Fat-soluble vitamins. XX. Modi-fied technique for the determination of -. H. Steenbock M. T. Nelson and A. Black, 78. Vitamin-A. Content Fresh eggs ; - of. J. C. Murphy and D. B. Jones 298. Vitamin A. Fats; Inactivating action of some fats on - in other. 1,. S. Fridericia, 146. Vitamin B. Biological test for - ; Effect of bacterial flora on. V. G. Heller C. H. McElroy and B. Garlock 570. Vitamin S. Jendrassik reaction for water-soluble -; Critical study of the. V. E. Levine 79. Vitamin B. Rats on a diet low in this factor ; - in excreta of. Vitamin B. - ; Concentration of. 11. P. A. Levene and B. J . C. van der Hoeven 629.Vitamin B. Water-soluble - ; The Jendras-sik reaction for. Vitamin Content Soya beans ; The - of. C. Hornemann 298. Vitamin Food ; Whole and skimmed milk powders as. Observations on a new - for re-production. L. T. Anderegg and v. E. Nelson 351. Vitamin Potency Cod liver oils ; - of. A. D. Holmes 80. Vitamins Fat-Soluble -. XX. Modified technique for the determination of Vitamin A . H. Steenbock M. T. Nelson and A. Black, 78. Vitamins Fat-Soluble -. XXI. Observa-tions bearing on the alleged induction of growth promoting properties in air by irradiation with ultra-violet light. E. M. Nelson and H. Steenbock 194. Volatile Acids Melting point of the insoluble -from fats ; The analytical value of the. G. Van B. Gilmour 119. Volatile Constituents Valencia orange juice ; -of.Volatilisation Method Fluorine in baking powder; - for the determination of. J. K. Morton, 29. Vulcanised Rubber Sulphur in mixtures of raw or -; Determination of. V. C. Butironi, 87. W. D. Salmon 628. N. Bezssonoff 517. J. A. Hall and C. P. Wilson 626. W Water Advisory Committee on -. Report on Measures for the Protection of Under-ground-. 509. Water Air pollution on - ; Effect of. B. A. Adams 353. Water Amino acids and other organic nitrogen compounds in lake - ; Occurrence of. W. H. Peterson E. B. Fred and B. P. Domogalla, 301. Water Analysis Abstracts 1925 32 248 301, 352 469 632. Water Copper; Action of - on. H. Henstock 352. Water Copper pipes; Action of - upon. J. C. Thresh 248.Water-cress Body metabolism ; - and. S. M. Copeman 568. Water-Soluble Pigment B. pyocyoneus ; Pyonx-bin a red - characteristic of. P. D. Meader G. H. Robinson and V. Leonard 573. Water-Soluble Vitamin B. Jendrassik reaction for - ; Critical study of the. V. E. Levine 79. Water-Soluble Vitamin B. Jendrassik reaction for - ; The. N. Bezssonoff 517. Water Wood tars in - ; Solubility of various. H. N. Calderwood 357. Watered Milk Punctured cooler ; - and a (Legal Notes). 610. Watered Milk - Related cases taken under two Acts (Legal Notes). 608. Waters Faecal pollution of - ; Fallacy of the test for lactose fermenters as an indicator of. 0. Schobl and J. Ramirez 630. Waters Natural Mineral - ; Ageing of. 0. Baudisch and L. A. Welo 516.Waters Nitrogen found in certain lake -; Forms of. B. P. Domogalla C. Juday and W. H. Peterson 301. Waters Phenols in polluted natural - ; Deter-mination of minute amounts of. L. R. Vorce, 469. Waters Total carbonic acid in dilute solutions of calcium hydrogen carbonate or in hard - ; Volumetric determination of. E. M. Crowther and W. S. Martin 32. Wax Fig tree (Gondang) -. A. J. Ultee 87. Waxes Candelilla and other vegetable - ; Analysis of. A. Leys 355. Weak Bases Qualitative test for -. R. Robinson 304. Weights Molecular - ; New method for the determination of. G. Rastelli 640. Weights National Physical Laboratory. Metro-logy Department. Verification of -* Test-ing of Balances Determination of Densities. 291. Wet Method Organic analysis by a - ; Ele-mentary.G. Vortmann 469. Whale Oil Natural unsaturated fatty acids ; Constitution of Part 11. Some acids present in a South Georgian -. E. F. Armstrong and T. P. Hilditch 303 IVi INDEX TO VOLUME L. Whiskey Dilution ; Sale of - with notice of (Legal Notes). 133. White Lead Paint - ; Adulteration of (Legal Notes). 132. White Metal -; Analysis of. H. Biltz, 473. White Rats Growth and fertility of - ; Min-eral deficiencies of milk as shown by. A. L. Daniels and M. K. Hutton 246. Whole and Skimmed Milk Powders Food ; -as. Observations on a new vitamin for reproduction. L. T. Anderegg and V. E. Nelson 35 1. Whortleberries Tamarinds ; Acids of - and. €1. Kaiser 29. Wine Benzoic acids in - ; Determination of. J.Dubaquie 295. Wme Copper and zinc in - ; Determination of. C. Von der Heide 296. Wine ‘‘ Invalid ” - ; Sale of an (Legal Notes) 403. Wines Benzoic acid in - ; Determination of. 514. Wines Benzoic and salicylic acids in -. 514. Wines Dextran in - and its consequences ; Presence of. A. Vasseur 296. Wines Ferric casse in - ; Characterisation and evaluation of. P. Malzevin and J. C. Essner 77. Winkler Boric Acid Modifications Gunning-Arnold and - of the Kjeldahl method for the determination of nitrogen ; Comparison of the K. S. Markley and R. M. Hann 418. Winkler Method Dissolved oxygen by the - ; Determination of. Witnesses Expert - in Court; The Pre-sence of. 241. Wood Cellulose in - ; Modified method of determining. G. J. Ritter 87. Wood Decay in - ; The diagnosis of. E. E. Hubert 299. Wood Fibres Cotton linen and - in paper pulp ; The qLantitati1.e determination of. W. Dickson 317. Wood Tam Water ; Solubility of various -in. H. N. Caldenvood 357. Wood’s Light Olive oils and tbrpentine oil; Application of - to the examination of. Frehse. 361. E. J. Theriault 632. X X-Ray Method Oxidation of unsaturated fatty acids; - of following the. J. J. Tillat, 641. Xanthydrol Glyoxylic acid by means of hydra-zine and- .- ; Identification of. R. Fosse and A. hieulle 524. Y Yeast Chemical action in micro-organisms, especially in - ; Measurement of. T. Bokorny 195. Yeast Gallotannin ; Action of - on. M. Nierenstein C. W. Spiers and A. C. Hadley, 417. Yeast Glycogen Glycogen ; Studies on Part I. The nature of - its preparation estimation and r81e in yeast metabolism. A. R. Ling, D. R. Nanji and F. J. Paton 407. Yeast Metabolism Glycogen ; Studies on Part I. The Nature of yeast glycogen its preparation, estimation and r81e in -. A. R. Ling, D. R. Nanji and F. J. Paton 407. “ Yohimbehe ” Yohimbine in barks and galenic preparations of - ; Determination of. Raymond-Hamet 409. Yohimbine Barks and galenic preparations .of ‘< Yohimbehe ” ; Determination of - in. Raymond-Hamet 409. Yolk Egg -; Fluorine in. H. Ulex 625. Z Zec Alloys ; Electrolytic determination of -in. J. W. Springer 200. Zinc-Nickel Group - ; Qualitative separa-tion of the. Lemarchands 151. Zinc Tinned and bottled peas ; - in (Notes). C. H. Cribb and A. L. Still 286. Zinc Tinned and coppered peas; - in (Notes). Zinc Vital factors in soils plants and animals ; Copper manganese - nickel and cobalt as. J. S. McHargue 409. Zinc Wine ; Determination of copper and -in. Zinc - and nickel by hydrogen sulphide ; Separation of. A. Kling and A. Lassieur 200. Zirconium Celtium (hafnium) from - * Separation of. J. Bardet and C. Toussaint: 419. Zirconium Iron ; Separation of - from. P. Wenger and M. Miiller 637. Zirconium Phosphates of - and hafnium ; Solubilities of the. G. Hevesy and K. Kimura, 637. Zirconium Tervalent rare earths ; Separation of thorium from - and the. L. Fernandes, 253. C. H. Cribb and A. L. Still 395. C. Von der Heide 296. PRINTED BY W. HEFFER AND SONS LTD. CAMBRIDGE ENGLAND