THE ANALYST 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 DSc. F.I.C. THE ORGAN OF THE E. B. HUGHES M.Sc. 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.1.C J. AUGUSTUS VOELCKER M.A., Ph.D. F.I.C, Society of Public Analysts and other Analytical Chemists J. GRANT MSc. A.I.C. T. H. POPE B.Sc. F.I.C. D. G. HEWER B.Sc. A MONTHLY JOURNAL DEVOTED TO T H E ADVANCEMENT OF ANALYTICAL CHEMISTRY P. H. PRICE BSc. R. F. INNES F.I.C. W. R. SCHOELLER Ph.D. Ebftor C. AINSWORTH MITCHELL M.A. F.I.C. VOLm LIm I926 PUBLISHED FOR THE SOCIETY BY W. HEFFER & SONS LTD. 1926 4 PETTY CURY CAMBRIDGE ENGLAN Earatnm in VOl. LI. P.396 11 lines from the bottom fov “ chloroiridate ” vead “ chloroiridite.” INDEX TO VOLUME LI. INDEX TO NAMES. A Adams R. Agde G. Fractional extraction of liquid fatty acids of linseed oil 364. Ahmann C. F. and Hooker C. D. Determina-tion of pectin 307. Albery H. G. See Benton A. G. and Albery, M. G. Alexander F. W. Simple portablh photometer for gauging intensity of ultra-violet rays 54. Alfend S. - See also Smith E. R. Alfend S. and Mitchell L. A. Alsberg 0. L. Scr! Dill D. B. and Alsberg C. L. Alsberg C. L. and Griffing E. P. Effects of fine grinding upon flour 199. Alsberg C L. Grifhg E. P. and Field J. Preparation of starch solution for use in iodimetric titrations 371. Anderegg F O. and Lutz R. P. Colloidal complications in the thiocyanate method of determining soil acidity 48.Anderson R. S. See Nelson J . &I. and Xndcr-son R. S. Andre E. and Canal €I. Cuttlefish oil (Todnrits Sagittatus I-k.) 473. - Squalene and spinacene 48. Andrb E. and Frantjois T. Saturated aliphatic alcohols from sperm oil and spermaceti (344. - Sperm oil and whale oil,:nd spermaceti 200. Angele -. “ Roiling off value of bleached cotton 476. Arbenz E. Detection of incipient putrefaction in meat and meat products 250. Ardagh E. G. R. and Williams J. G. Accurate general iodimetric method for the deter-inination of the carbonyl group in organic compounds 102. Arnall F. b a u d F. W. F. Kent County Analyst’s Report for Fourth Quarter 1925 347. Atack F. W. The Chemist’s Year-Book (Ke-view) 322.Atkins W. R. G. and Pantin C. F. A. Buffer mixture for the alkaline range of hydrogen ion concentration determinations 317. Atkinson €I. The volumetric determination of sulphates by means of barium chloride and potassium stearate 81. - Titration of ammonium sulphate by the stearate method 140. See Vliet E. B. and Adams R. Sec Mitchell L. C. and Alfend S. See Coleman J. B. and Arnall F. Aubert M. and Aubrh E. Extension of the method of critical solution temperatures for the analysis of petroleum spirit 269. Aubrhe E. A d e n W. Identification of urine in water, 210. Averill H. P. and King C. (3. Phytin content of foodstuffs 252. See Aubert M. and Aubrke E. B Badger C. H. and Ssle J. W. Determination of acidity of highly coloured fruit-type products 583.Bagnall D. 3. T. See Tankard A. R. and Bagnall D. J. T. Bailey C. H. The Chemistry of Wheat Flour (Review) 114. Bailey L. H. See Hertwig I<. and Bailey L. H. Baker a. W. Government Analyst’s Annual Report of the Department of Health of Palestine for the year 1924 300. Bal D. V. Determination of nitrogen in heavy clay soils 100. Balthazard - and Philippe M. Cyanmethae-globin and the determination of methaeglobin, 466. Barbour H. G. and Hamilton W. F. The falling drop method for the determination of specific gravity 696. Barnard J. E. Practical Photomicrography (Review) J. E Barnard and F. V. Welch, 486. Barthe L. and Dufilho E. Determination of sodium 479. Bates S. C. The Synthesis of Benzene Deriva-tives (Review) 430.Bauer K. H. Bawden A. T. See Foulk C. W. and Bawden, A. T. Bayliss J. R. Turbidimeter for measurement of low turbidities 270. Beard H. H. and .Jersey V. Optical rotation of glucose and m s u h solutions in contact with muscle tissue in vitvo 640. Beath 0. A. Natural occurrence of aconitic acid and its isomers 626. Becker H. Bee A. H. and Chaikoff I. L. Identification of acetaldehyde in normal blood and its quanti-tative study in blood of normal and diabetic dogs 640. Polymerised linseed oil 422. See Stern E. and Becker If iv INDEX TO VOLUME 11. Behre J. A. See Benedict S. R. Newton E. B., and Behre J. A. Behre J. A. and Benedict S. R. Colorimetric method for the determination of acetone bodies in blood and urine 639. Beister - Wood - and Wahlin -.Sweet-ness of sugars 255. Benedict S. R. Determination of sugar in blood and normal urine 467. - See also Behre J . A. and Benedict S. R. Benedict S. R. Newton E. B. and Behre J. A. New sulphur-containing compound (thiasine) in tlic blood 257. Eemztt R. R. and Middleton G. Colour of compound tincture of cardamoms 525. Benton A. G. and Albery H. G. Stability of evaporated milk during sterilisation 413. Berlin H. Occurrence of gentiobiose in the products of the commercial hydrolysis of corn starch 6 3 5 Bernette A. See Dupont G. Desalbres L. and Bernette A. Bernoulli A. L. Sliding-gauge colorimeter and the determination of small amounts of ammonia nitritcs lead and iron 645. Berry A. J. The direct titration of thallous salts by potassium iodate 137.Bezssonoff N. I<apitl preparation of mono-inolybdophosphotungstic acid as a reagent for polyphcnols and vitamins 358. Bickel V. T. and French H. E. a-Naphthyl isocyanate as a reagent for alcohols 263. Bilham P. See Lampitt L. H. Hughes E. B., Bilham P. and Fuller C. H. F. Bills C. E. and McDonald F. G. Antirachitic substances. I\'. The polymerisation of choles-terol 469. Binder F. Bischoff M. A. See Mellet R. and Bischofi, hl. A. Black J. , W. Freshly ground coffee and Blackie J. J. Alkaloid content of belladoniia root 202. Bliss. E. A. Anacrobic spore-bcaring bacteria in milk 5Y9. Bliss H. Duerden J. Roberts J. F. Blyth J., Hirst H. and King A. T. Examination of kemp fibres 473. Blom A. V. The polarising microscope as a laboratory instrument 11 1.Blunt T. P. The analysis of commercial limc 623. Blyth J. See Bliss H. Duerden J Kobcrts, J . F. Blyth J . Ilirst I-I. and King A. T. Bock A. Determination of chloride in coin-niercial cyanides 425. Bijeseken J. and Coops J. Dissociation coii-stants of various acids in the presence of boric acid 423. Bogue R. H. SLL> Larch W. and Bogue R. H. Bolton E. R. and Williams K. A. A test for Bonnet A. See Meunier L. niid Hoiinet Al. Booer J. R. Solid hydrogen peroxide 50. Boord C. E. See Vortmann G. and Binder F. blown tins 403. Chinese wood (tung) oil 333. See Church W. H. Mack E. and Uoord C. E. Booth H. S. and Schreiber N. E. Determina-tion of traces of mercury 106. Booth HS. Schreiber N. E. and Zwick K.C. Determination of traces of mercury m the presence of organic matter 477. Borntriiger A. Organic acids of tomatoes 151. Bouffard E. Boyer S. Gallium-in-quartz thermometer grad-uated t o 1000" C. 110. Bradley W. M. See Foote H. W. and Bradley w. h1. Bradt W. E. and Lyons R. E. Determination of selenium in organic compounds 643. Brady 0. L. and Elsmie G.V. The use of 2:4 dinitrophenylhydrazine as a reagent for aldehydes and ketones 77. Brauer K. Detection of resins especially in linseed oil varnishes 422. - Typical reactions of phcnols 534. Briggs D. G. Practical Glass Manipulation (Review) 60 1. Bright T. B. Microscopical examination of cotton hairs ,593. Bromley H. A. and De Waelc A. The electro-metric determination of the acidity of writing inks 567.Brown ?. J. Method for the electrolytic separation of metals 267. Brown F. E. and Snyder J. E. Vanadiuni oxytrichloride as a solvent 50. Brown H. Determination of uric acid in blood 357. Browne C. A. The life and Chemical Services of Frederick Accum (Review) 276. Browning B. L. See Schrenk W. T. and Browning B. L. Brubaker H. W. Van Blarcom H. S. and Walker N. H. Determination of iodine in natural waters 47 1. Bruce H. D. Photometric method of measuring the covering power of paints 371. Bruiire P. Stable colorimetric scales for the measurement of P values 424. Brukl A. and Maxymowicz W. Separation and determination of tellurium 369. Briining A. See Juckenack A. and Sriining A. Budel M. and Charaux C. Primeverose and rhamnicogenol the products of enzymic hydrolysis of rhamnicoside 41.Bullock K. Chemical constituents of the oleo resin and fatty matter of Indian valerian root, 323. X forerunner of The A rralyst 141. The organisation and work of the United States Bureau of Standards 319. The limits of inflammibility of firedamp and air. (Safety in Mines Research Board Report No. 16) 302. See Ventre J. and Bouffard E. Burford S. F. Burgess G. K. Burgess M. J. and Wheeler R. V. C Carnu& M. L. See Sherman H. C. and Cammack 31. I,. Campbell F. L. Quantitative toxicological investigations on mandibulate insects 313 INDEX TO VOLUME LI. V Campbell W. R. and Hanna 116. I. Determina-tion of fructose sucrose and inulin. 682. Canal H. See AndrC E. and Canal H. Candy H.C. H. Some newly-discovered Stanzas written by John Milton (Review) 222. - See also Luff A. P. and Candy H. C. H. Carlier P. See Delaville M. and Carlier P. Cabson V. See Eddy W. H. Kohman E. F. , and Carlsson V. - See aZso Kohman E. F. Eddy W. H., Carlsson V. and Halliday N. Carman G. G. See Mitchell H. H. and Carman, G. G. Carpenter T. M. and Sox E. L. Gas analysis apparatus modified for determination of methane in metabolism experiments 636. Cam F. H. Came P. H. See Emmett ,4. M. and CarrC, M. H. Carrick C. W. See Hauge S. M. and Carrick c. w. Cartledge G. H. Inorganic Physical Chemistry (Review) 217. Gasparis P. Adulteration of liquorice with masticogna 465. CaMelain E. Determination of iodine by means of hydrazine sulphate 647.- Hydrazine sulphate in iodimetry 51. - Use of hydrazine sulphate for the preparation of ammoniacal cuprous chloride 423. - Use of hydrazine sulphate for the stand-ardisation of iodine solutions 317. Celsi S. A. Fluorescence reaction of malic acid, 692. Chsikoff I. L. See Bee A. H. and Chaikoff I. L. Channon H. J. See Drummond J. C. Channon, H. J. and Coward K. H. Chanutin A. Fate of creatine when administered to man 256. Chapman A. C. On the prescence of compounds of arsemc in marine crustaceans and shell fish 548. - The detection and determination of glycerin in tobacco 382. - The Fungi Imperfecti and a further plea for an Institute of Industrial Micro-Biology 319. Chapman A. C. and Linden H. On the presence of lead and other metallic impurities in marine crustaceans and shell fish 563 Chapman R.N. Possibilities and limitations of chloropicrin as a fumigant for cereal products, 262. Charaux C. Chastellain F. Determination of ammoniacal nitrogen in manures 261. Chatter& D. N. Applicability of the mydriatic test to the detection of datura in decomposed viscera 344. - Chemical Examiner’s Report for the U.P. of Agra and Oudh for the year 1925 349 Chesny H. H. See Weatherby L. S. and Chesny H. H. Chilowsky C. and Perrin F. Distinction between natural and artificial pearls 53. Church W. H. Mack E. and Boord C. E. Anti-knock materials 365. Insulin and its manufacture 597. See Budel M. and Charaux C. clsrk A. H. The alkaloids of Ceartothrrs Clark L. E. See Ries E. D. and Clark L. E. Clark P.B. See Dill D. B. and Clark P. B. Clarke S. G. See Evans B. S. and Clarke S. G. Claus R. Clifford F. W. The care and custody of books, 597. Clifford W. M. Effect of short periods of cold storage on beef and mutton 303. Cocking T. and Price E. A. Colour reactions of vitamin A 529. Cole S. W. Practical Physiological Chemistry (Review) 273. Coleman J. B. and Arnall F. The Preparation and Analysis of Organic Compounds (Review) , 599. Collens A. E. Lime seed oil ancl oil cake 510. Colombier L. Determination of essential oil of Conrath P. See Reinitzer B. and Conrath P. Cook W. C. Effectiveness of aliphatic com-Cooke J. H. See Smith H. L. and Cooke J. H. Coops J. Copaux A. Copaux H. and Copaux A. Photo-electric determination of coloured gases 11 1.Copaux H. and Matignon C. Different states of beryllium oxide 107. Corley R. C. and Denis W. Determination of calcium in tissues faeces and milk 208. Cortner R. A. and Hoffman W. F. On the presence of amines in the distillate from Kjeldahl-Gunning nitrogen determinations, 648. Cotton A. and Descamps R. Photographic spectro-polarimeter for the ultra-violet 164 Couch J. F. Relative toxicity of the lupine alkaloids 361. Coward H. F. and Wheeler R. V. The Ignition of Firedamp. (Safety in Mines Research Board Report No. 8) 302. Coward K. H. See Drummond J. C. Channon, H. J. and Coward K. H. Cox H. E. The occurrence of arsenic in apples, 132. - The Chemical Analysis of Foods (Review), 164. Creighton M. See Dutcher R. A. Creighton, M.and Rothrock H. A. Crummett A. Standardisation of methods for testing the fastness of dyes 649. Americanus 355. See Prescher J. and Claus R. mustard in mustard flour 308. pounds in attracting flies 314. See Boeseken J. and Coops J. See Copaux H. and Copaux A. D Dale H. H. Dale H. H. and Henderson L. J. Davidson A. view) 219. Dawson E. R. E. R. Day H. A. Dean E. W. See Drummond J. C. Hill A. V., Intermediates for Dyestuffs (Re-See Platt B. S. and Dawson, See Pucher G. W. and Day H. A. See Neusbaum C. A. De Verter, P. L. and Dean E. W vi INDEX TO VOLUME LI. De Bord G. G. Effect of dehydration on the bacterial flora. of eggs 98. Dedlow C. and Smith D. T. Determination of moisture in meat extract 521. De La Pena P. See Strecker W.and de la Pena P. Delaville M. and Carlier P. Determination of small amounts of potassium 368. Denighs G. Action of concentrated hydro-bromic and hydriodic acids on the cobalt ion. - Qualitative reaction for copper 536. Denis W. De Ong E. R. See Gray G. P. and De Ong, E. R. Desalbres L. See Depont G. Desalbres L., and Bernette A. Descamps R. See Cotton A. and Descamps R. Desch C. H. De Toni G. M. Colorimetric determination of cholesterol and lecithin in blood in connection with Folin and Wu’s system of blood analysis, 639. Deuel Jr. H. J. Waddell S. S. and Mandel, J. A. Determination of glucosan 468. De Verter P. L. See Neusbaum C. A. De Verter P. L. and Dean E. W. De Waele A. See Bromley F!. A . and De Waele A. Diaz F. 0. Diem A.See Eckart H. and Diem A. Dill D. .B. and Alsberg C. L. Preparation, solubility and specific rotation of wheat gliadin 44. Dill D. B. and Clark P. B. Formaldehyde in certain marine products 304. - Tin corrosion and blackening in certain marine products 413. Dingley L. A. Carbon tetrachloride poisoning, 419. Dixon H. B. Ignition of ether at low tempera-tures 154. Dore W. H. Determination of galactonuric acid in pectin 151. Dorsey G. E. The colour of red formations 363. Dott,. D. B. Alleged deterioration in Indian opium 255. - Cotarnine hydrochloride 92. - Iodeosin indicator in alkaloidal determina-tions 255. Druce J. G. F. The discovery of eka- and dvi-manganese 482. Drummond J. C. See Rosenheim O. and Drummond J. C. Drummond J. C.Channon H. J. and Coward, K. H. Studies on the chemical nature of vitamin A 312. Drummond J. C. Hill A. V. Dale H. H. and Henderson L. J. Lectures on certain aspects of Biochemistry (Review) 431. Dnbrisay R. Application of capillarity measure-ments to fatty acid mixtures 111. Duclaux J. and Jeantet P. Transparency of natural waters to ultra-violet rays 112. Duclaux M. J. Adsorbing properties of cellu-lose compounds 481. New reaction for nickel 478. See Corley R. C. and Denis W. The Growth of Crystals 319. See Strecker W. and Diaz F. 0. Duerden J. See Bliss H. Duerden J. Roberts, J. F. Blyth J. Hirst H. and King A. T. Dufilho E. See Barthe L. and Dufilho E. Dugdale C. M. and Munro R. J. Vitamins in heat-sterilised food 359. Dupont G. Desalbres L.and Bernette A. Crystalline salts of abietic acid. Deter-mination of abietic acid 365. Dutcher R. A. Creighton M. and Rothrock, H. A. Vitamin studies. XI. Inorganic blood phosphorus and bone ash in rats fed on normal, rachitic and irradiated rachitic diets 206. Diphenylamine as an internal indicator for iron 536. Industrial chemicals from the sen, 597. Dyer F. J. and Forbes W. B. Dyson G. M. E Eagles B. A. See Hunter G. and Eagles B. A. Eckart H. Commercial apple juice and pectin products 251. - Refractometry as an aid to the investigation of fruit juices 40. Eckart H. and Diem A. Determination of starch in pectin and apple juices by a sedi-metric method 524. Edelman D. See Schroeder W. F. and Eclelman D. Eder R. and Kutter F. Acidimetric titration and composition of commercial lactic acid 633.Eddy W. H. See Kohman E. F. Eddy W. H., Carlsson V. and Halliday N. Eddy W. H. Kohman E. F. and Carlsson V. Vitamins in canned foods. IV. Green peas, 207. Efimov V. V. Colorimetric method for the determination of oxygen 213. Eggleston J. A. See Richmond H. D. and Eggleston J. A. Egloff G. and Morell J. C. Determination of unsaturated aromatic naphthene and para-ffin hydrocarbons in motor fuels 316. Ehrenstein R. Shea butter 40. Elek A. and Sobotka H. Kjeldahl-Reg1 method applied to nitro-compounds 214. Ellis D. Use of sulphur bacteria as indicators in the investigation of polluted water 530. Ellis N. R. and Hankins 0. G. Soft pork studies. I. Formation of fat in the pig on a ration moderately low in fat 163.Ellis N. R. and Isbell H. S. Soft pork studies. 11. Influence of the ration upon the composi-tion of the body fat of hogs. 111. Effect of fat in food upon individual fatty acids in the body fat 524. Ellman S. Volumetric method of assaying mercuric iodide mercuric chloride and some other mercury compounds 42. Elmore J. W. Determination of strychnine in poisoned grains 470. Elsdon G. D. Annual Report of the Borough Analyst for the County Borough of Salford for 1925 570. - Jena sintered glass crucibles 30 INDEX TO VOLUME LI. vii Elsdon G. D. and Smith P. Determination of palm kernel oil and butter fat in margarine, 72. Elsmie G. V. See Brady 0. L. and Elmsie, G. V. Elvehjem C. A. and Ed E. B. Quantitative methods for the determination of iron in biological materials 258.Emmett A. M. and Carre 116. H. Modification of the calcium pectate method for the deter-mination of pectin 307. England E. H. See Richmond H. D. and England E. H. Enna F. G. A. Analysis of Prussian blue 479. Ephraim F. A Textbook of Inorganic Chemis-try (Review) 651. Erskine A. M. Aromatic hydrocarbon content of natural gas petroleum 476. - Determination of aromatic hydrocarbons in light petroleum 475. Estill H. W. and Nugent R. L. Sew con-firmatory test for aluminium 161. Etzel G. and e g C. G. Seed and oil of Johannesaa Prznceps 365. Evans B. S. A wet method for the determina-tion of silver in lead 79. - An apparatus for continuous percolation and for filtration in neutral atmospheres 229.Evans B. S. and Clarke S. G. An accurate method for the determination of mercury in solution 224. Evers N. Determination of arsenic in chemicals by the electrolytic method 526. - The Chemistry of Drugs (Review) 272. F Fachini S. Detection of olive oil obtained by extraction with solvents 416. - Reagent for oil extracted by carbon di-sulphide and identification of olive oil extracted by solvents 636. Pihraeus R. See Svedberg T. and FAhraeus, R. Fearon W. R. Colour reactions associated with vitamin A 3 11. Feigl F. and Sucharipa A. Interaction of ammonia and mercurous salts 51. Feliciano R. T. Illicit beverages 415. Ferreri G. Determination of lead tetra-ethyl Ferrey G. J. W. Analysis and composition of Ferris S. W. See Hill J. B. and Fems S.W. - See also Peterkin A. G. and Ferris S. W. in motor fuels 104. commercial glycerophosphates 526. Field J. See Alsberg C. L. Griffing E. P. and Field J . Eilandeau G. Fresh and preserved eggs 197. Fislre C. H. and Subbarow Y. Colorimetric determination of phosphorus 205. E’itch J. B. See Titus R. W. Hughes J. S., Hinshaw W. R. and Fitch J. B. Flanzy -. See Semichon L. and Flanzy -. Fleury P. Action of salts of mercury on the veronals 92. Florentin D. Determination of soluble silica in cement mortar and concrete 480. Fodor A. and Reifenberg A. Researches on the fermentation of dried tobacco. I. Methods for separating nicotine and ammonia 98. Fogg H. C. See Rice A. C . Fogg H. C. and James C. Folin 0. Determination of sugar in blood and in normal urine 309.Foote H. W. and Bradley W. M. Determina-tion of calcium by conversion of the oxalate into the carbonate 269. Forbes E. B. and Swift R. W. The iron content of meats 303. Forbes W. B. Examination of commercial tannic acid 200. - See also l)yer F. J. and Forbes W. B. Fosse R. Formation of urea and of a substance giving the same colour reaction as formalde-hyde with hydrazine on heating vegetable juices 153. Foster R. H. K. Use of methyl salicylate in a flowmeter 216. Foulk C. W. and Bawden .A. T. New type of end-point in electrometric titration and its application to iodimetry 539. Fourneau E. See Girard A. and Fourneau E. Fowweather F. S. Determination of iron in blood tissues and urine 309. Fox E. L. See Carpenter T.M. and Fox E. L. Francis A. W. Determination of unsaturated compounds in petroleum products 534.-Fran~ois T. See Andre E. and Francois T. Fred E. B. See Pederson C. S. Peterson, W. H. and Fred E. B. Frederick R. C. - See also Shaw T. B. and Frederick R. C. French H. E. See Bickel V. T. and French, H. E. French H. E. and Wirtel A. F. a-Naphthyl isocyanate as a reagent for phenols and aliphatic amines 472. Freundlich H. Colloid and Capillary Chemistry (Review) 598. Frey R. W. See Veitch F. P. Frey R. W. and Leinbach L. R. Fry H. S. and Grote I. W. Standardisation of the Sandmeyer reaction with special applica-tions 264. Fuller C. H. F. See Lampitt L. H. Hughes, E. B. Bilham P. and Fuller C. H. F. Funck A. D. Colorimetric determination cf molybdenum 537.The air tester 397. G Gaehtgens W. Methoden der Bakteriologischen Untersuchungen von Nahrungsmitteln (Re-view) 377. Gcarby C. D. Determination of biguanide 533. Gardner -. See Richet - Gardner -. and Gardner W. Chemical Synonyms and Trade Goodbody -. Names (Review) 654 Geniesse J. C. and Soop E. J. Determination of the heating value of coals in monel metal bombs 110. Georgia F. R. and Morales R. Detection of methyl alcohol in alcoholic beverages 252. Gettler A. 0. See Norris C. and Gettler A. 0. Gilman H. Organic Syntheses. Vol. VI. (Re-view) 653. Gilmour G. van B. Invert sugar as a reagent for boric acid determinations 404. Gimingham C. T. See Warren R. G. Giming-ham C. T. and Page H. J. Girard A, and Fourneau E. Sensitive method for the detection separation and determina-tion of bismuth 51 159.Gnadinger C. B. Piperonal in vanilla extract, 417. Goodbody -. See Richet -. Gardner -., and Goodbody -. Gorini C. Action of the typhoid bacillus on milk 641. - Stimulation of bacterial activity in milk 530. Gray G. P. and De One E. R. Relation between effectiveness and composition of petroleum insecticides 211. mebel C. Determination of the essential oil in spice 584. O W g E. P. See Alsberg C. L. and Griffing, E. P. - See also Alsberg C. L. Griffing E. P. and Field J. GrWth W. H. Determination of hippuric acid and elimination of benzoic acid as hippuric acid in rabbits 528. Griffiths E. and Heron C. The handling and transport of fish. (Food Investigation Board Report No.25) 350. Qriffiths-Jones E. Lead and arsenic in tartar emetic 201. Grimmett R. E. R. Mechanical analysis of New Zealand soils 420. Grisgli A. Oxygen and carbon dioxide limits in respiratory air 256. Orossfeld J. ?termination of milk fat by means of the butyric acid value,” 416. - See also Kuhlmann J. and Grossfeld J. Grote I. W. See Fry H. S. and Grote I. W. Gcms J. Investigation of hydrogenase 530. Quichard M. Weighing by hydrostatic com-Guillot -. See Vizern -. and Guillot -. pensation 596. H Haase L. W. Quantitative colorimetric deter-mination of nitrates 426. Hackspill L. Rollet A. P. and Nicloux 1. Argon in blood 357. Halliday N. See Kohman E. F. Eddy W. H., Carlsson V. and Halliday N. Hamid M. A. The determination of potassium in the presence and absence of sulphates 450.Hamilton W. F. See Barbour H. G. and Hamilton W. F. Handovsky H. and Others. Poisoning by manganese compounds 362. Hanika F. Hanke M. T. Histidine and tyrosine content of a number of proteins 204. - Quantitative determination of tyrosine and histidine in protein. A method for determin-ing tyramine in protein-containing mixtures, 204. Hankins 0. G. See Ellis N. R. and Hankins, 0. G. Hanna M. I. See Campbell W. R. and Hanna, M. I. Hanus J. Jilek A. and Lukas J. Benzoyl-methylglyoxime as a precipitant for palladium, 109. Harris C. R. See Wheeler A. S. and Harris, C. R. Harris J. A. Yntema L. F. and Hopkins? B. S. The element of atomic number 61 Illinium, 372. Harris L. J. Combination of proteins amino-acids etc.(in milk) with acids and alkalis, and their combining weights 39. Harrison J. W. E. Official titles of the silver proteins 585. Hart E. B. See Elvehjem C. A. and Hart, E. B. - See also Lepkovsky S. and Hart E. B. Hart E. B. Steenbock H. and Lepkovsky S. See Moser L. and Hanika F. Effect of storage on the antirachtic factor of cod liver oil when mixed with ground grains 94. Hartmann B. Gc. Catawba grape juice 151. Hartmann W. Determination of molybdenum in ores 108. Harvey C. 0. Determination of the strength of glacial acetic acid 238. Hatschek E. An Introduction to the Physics and Chemistry of Colloids (Review) 112. - Laboratory Manual of Elementary Colloid Chemistry (Review) 112. Hauge 8. M. and Carrick C. W. A differentia-tion between the water-soluble growth-promoting and anti-neuritic substances 586.Hausbrand E. Principles and Practice of Industrial Distillation (Review) 58. Hawley F. G. Determination of fluorine 426. Hearn J. E. See Lyttle J. D. and Hearn J. E. Hecht 0. Heilbron I. M. Kamm E. D. and Owens,.WM. Contribution to the study of the conshtution of squalene (spinacene) 535. Henderson L. J. See Drummond J. C. Hill, A. V. Dale H. H. and Henderson L. J. Henville D. Report of the Borough Analyst for Stepney for 1925 513. Hepburn J. R. I. A new and simple method for the determination of carbon dioxide in car-bonates 622. Heron C. Hertwig R. and Bailey L. H. Determination of the total solids of bread 38. - Determination of unsaponiiiable matter in wheat flour alimentary pastes and eggs, 306.See Vortmann G. and Hecht 0. See Griffiths E. and Heron C INDEX TO VOLUME LI. ix Hefl;4ef R. and Mann 0. Detection of incipient putrefaction of meat 634. Hewog W. Gravimetric method for the deter-mination of the bases of the diphenyl series and a new complex salt of these bases 592. Has A. F. Weinstock M. and Sherman E. htirachitic value of irradiated cholesterol. 11. Separation into an active and inactive fraction 638. Hibbard P. L. Iodimetric determination of the halogens 538. Hickethier C. F. and Jacobucci A. Interference of iodate in the nitrite test 48. Hicks J. A. The Laboratory Book of Mineral Oil Testing (Review) 217. Hicks J. 5. See Rising M. M. and Hicks J. S. Hill A. V. See Drummond J .C. Hill A. V., Dale H. H. and Henderson L. J. Hill C. A. Determination of small quantities of bismuth in urine 97. Hill,.!. B. and Ferris S. W. Relation between boding point and soiiie other properties of petroleum products 105. Hind H. L. Determination of reducing sugars by means of Fehling’s solution 352. Hinshaw W. R. Ser Titus R. W. Hughes, J. S. Hinshaw W. R . and Fitch J. B. Hirst H. See Bliss H. Duerden J. Roberts, J. F. Blyth J. Hirst TI. and King A. T. Hirst H. R. and King A. T. Determination of alkali and acid in wool 212. Hoagland R. and Powick W. C. Chemical study of the flesh of emaciated cattle 249. H$gland R,., and Snider G. G. Vitamin A in Hoffman W. F. An alcohol-soluble protein isolated from polished rice 205. - See also Cortner R.-4. and Hoffman, W. F. Hogstad A. Junr. American wormseed oil, 356. Holbil S. A. See Lundsgaard I. C. and Holbil, S. A. Holden H. F. Presence of glutathione in the corpuscles of mammalian blood 95. Holleman A. F. A Textbook of Organic Chemistry (Review) 650. Holmes A. D. and Pigott Y. c). Effect of vitamin potency of cold-pressed cod-liver oils 207. Honegger . P. Polarimetric determination of sucrose in sweetened condensed milk 496. Honig P. Measurement and significance of the surface tension of sugar solutions 427. Homeyman W. Flax wax 535. Hooker H. D. Hopkhs B. S. Horny R. Hoskhg J. R. and Short W. F. New melting-point apparatus 270. Houston B. and Johnson T. B. Nitrogen tetroxide as a reagent for diazotisation 102. oleo oil and oleostearine 311.See Ahmann C. F. and Hooker, See Harris J. A. Yntema L. F., H. D. and Hopkins B. S. See Swoboda K. and Horny R. Houston J. The miscometer An apparatus for obtaining composite samples 453. Howarth W. J. Report of the Medical Officer of Health for the City of London for the year 1926 412. Howe H. E. Chemistry in Industry (Review), 489. Howe J. L. and Mercer F. N. Study of ruthenium. IX. Solubility of ruthenium in hypochlorite solutions and an attempt to utilise the reaction for the determination of the metal 109. Hoyt L. F. and Verwiebe .A. Determination of the concentration of liquid soaps by the immersion refractometer 427. Hubner J. and Venkataraman I(. Behaviour of different starches towards dyestuffs and iodine 351.Huerre R. Cade oil 417. Huff W. J. Determination of traces of carbon disulphide in small volumes of gas 156. Huffman C. F. See Robinson C . S. and Huffman C. F. Hughes E. B. See Lampitt L. H. Hughes, E. B. Bilham P. and Fuller C. H. F. Hughes J. 8. See Titus R. W. Hughes J. S., Hinshaw W. R. and Fitch J. B. Hughes J. S. Payne L. F. Titus R. W. and Moore J. M. Relation between the amount of ultra-violet light received by hens and the amount of antirachitic vitamin in the eggs produced 207. Humphrey G. J Preservation of vitamin C in dried orange juice 586. Hunter G. and Eagles B. A. Isolation of a new substance from blood and its bearing on present methods for the determination of uric acid 95. I Ingeberg H. C. 1. Inkster J. A case of aniline poisoning 641.Isbell H. S. See Ellis N. R. and Isbell H. S. Isnard -. Analysis of sodium bicarbonate, Analysis of materials con-taining a mixture of metallic iron and iron oxides 107. 357. J Jackson R. F. Silsbee C. a. and Proffitt M. J. Preparation of laevulose. Analysis of Jerusa-lem artichokes and dahlia tubers 304. Jacobucci A. See Hickethier C. F. and Jacobucci A. Jahn C. Jakowenko W. A. James C. Jamet A, See Schoeller W. R. and Jahn C. Gasometric calcium carbide method for the determination of moisture 106. See Rice A. C. Fogg H. C. and James C. See Meunier L. and Jamet A x INDEX TO VOLUME LI. Jamieson G. S. Chemical composition of rice oil 583. - Volumetric iodate methods (Review) 542. Jaramillo G. Rapid method for determination of organic nitrogen 590.Jihinen K. K. Determination of sulphur in iron 595. - Solubility of cooking vessel metals and determination of the dissolved metals 43. Jeantet P. See Duclaux J. and Jeantet P. Jersey V. See Beard H. H. and Jersey V. Jilek A. See Hanus J. Jilek A. and Lukas J . Jodidi S. L. Formaldehyde titration of certain amino-acids 263. Johnson J. W. H. Method for the combined determination of oxygen absorbed and album-inoid ammonia in sewages and effluents, - Modification of the Kjeldahl method for determining organic nitrogen in sewage effluents etc. 405. Johnson T. B. See Houston B. and Johnson, T. B. Jones G. W. and Yant W. P. Detection of petroleum vapour with the Burrell methane indicator 104. Jordan Lloyd D.The Chemistry of Proteins and its Economic Applications (Review) 429. Jorgensen G. Determination of phosphoric acid as magnesium ammonium phosphate, 61. Juckenack A. and Briining A. “ Gulf sickness ” and the arsenic theory 531. Jnngkunz R. See Pritzker J. and Jungkunz, R. 345. K Wenberg L. See Steinle J . V. and Kahlenberg L. Kahn G. and Stokes J. Jupr. Comparison of the electrometric and colorimetric methods for determination of the P value of gastric contents 528. Kamm E. D. See Heilbron I. M. Kamm E. D., and Owens W. M. Kamm 0. Organic Syntheses. Vol. IV. (Re-view) 55. K m s G. M. Detection of cadmium in pre-sence of copper 646. Karr W. G. See Oser g. L. and Karr W. G. Kaufmann H. P. Determination of the com-position of tung (Chinese wood) oil by means of thiocyanogen absorption 473.- The thiocyanogen value a new constant for oils and fats 157. - Thiocyanogen absorption of oils and fats, 264. Kawakibi S. See Kohn-Abrest E. and Kawa-kibi S. Eeesom W. H. Solidification of helium 429. IXemmerer G. and Schrenk H. H. Mercuric bromide paper for use in the Gutzeit test for arsenic 478. Kendall J. and West W. Attempted separa-tion of hafnium and zirconium by ionic migra-tion 647. Kenneth J. H. Odours and the sense of smell, 372. Khalil M. Toxicity of carbon tetrachloride, 260. Kickton A, and Maser F. Behaviour of gelatin towards colouring matters in wines 353. King A. T. See Bliss H. Duerden J Roberts, J. F. Blyth J. Hirst. H. and King A. T. - See also Hirst H.R. and King A. T. Icing C. G. See Averill H. P. and King C. G. - See also Etzel G. and King C. G. Khgman W. A. Determination of the water content of liquid glue 212. m e a d R. W. mar M. Technology of wood distillation (Review) 59. Knowles H. B. See Lundell G. E. F. and Knowles H. B. Kohman E. F. See Eddy W. H. Kohman, E. F. and Carlsson V. Kohman E. F. Eddy W. H. Carlsson V. and Halliday N. Vitamins in canned peaches, 260. Kohn-Abrest E. and Kawakibb 6. Nitrates in animal and vegetable tissues 685. Eolthoff 1. M. Determination of formaldehyde in formalin tablets 254. - Iodimetric titration of acids 477. - L’Emploi des Indicateurs ColorCs. La DCter-mination colorimktrique de la Concentration des Ions Hydrogkne (Review) 218. - Methyl orange error in the determination of P values by comparison with Clark’s buffer solutions 423.- Volumetric determination of hypophosphites, 595. Kolthoff I. M. and Kuylman H. A. Gravi-metric determination of copper as cuprous iodide 367 424. Kolthoff I. M. and Robinson C. Determination of nitro-compounds by reduction with titan-ous chloride 263. Kopaczewski W. Introduction A 1’Etude des Colloides (Etat colloidal et ses applications) (Review) 323. Koszegi D. Volumetric determination of hypo-phosphites 426. Krause H. Kriss M. Computation of the net energy values of feeding stuffs 156. Kruse H. D. See McCollum E. V. and Kruse, H. D. Kruse T. K. Oxygen absorption by anthra-quinone-8-sulphonic acid in alkaline solution, 214. Euhlmann J. and Grossfeld J.New distin-guishing value for milk fat 305. Kutter F. Kuylman H. A. See Kolthoff. I. M. and Kuylman H. A. Test for mercerisation 366. Secretion of nitrates with milk 255. See Eder R. and Kutter F ISDEX TO VOLUME LI. xi L Lambert A. Lampitt L. H. Hughes E. B. Bilham P. and Fuller C. H. F. The determination of copper in food-stuffs 327. Langton H. M. Blacks and Pitches (Review), 168. Larch W. and Bogue R. H. Determination of uncombined lime in Portland cement 480. Lasausse E. Composition of preserved peas in relation to their diameter 199. Lasselle B. A. See Williams R. J. and Lasselle, P. A. Lassieur A. Co-precipitation of magnesium with aluminium precipitates 368. - Electrolytic separations by graded potentials, 597. Leavenworth C.S. See Vickery H. B. and Leavenworth C. S. Lebeau P. and Marmasse P. Determination of small quantities of hydrogen in gaseous mixtures 366. Lecocq R. See Randoin L. and Lecocq R. Leete C. S. Relation between the bacterial count of whole milk and that of the cream and skim milk separated from it 208. Le Guyon R. F. Centrifuging in volumetric analysis 536. Le Guyon R. F. and May,.R. M. Rapid method for the determination of phosphates 48. Lehner S. Ink Manufacture (Review) 544. Lehrman L. See Taylor T. C. and Lehrman L. Leinbach L. R. See Veitch F. P. Frey R. W., and Leinbach L. K. Lejeune A. Differentiation of cotton and kapok 265. Lepkovsky S. See Hart E. B. Steenbock H., and Lepkovsky S. Lepkovsky .S. and Hart E. B. Effect of fermentation with specific micro-organisms on the vitamin C content of orange and tomato juice 155.Lepper W. Lerrigo A. F. Rapid sorting test for small quantities of tartaric acid in self-raising flour, 180. - The volatility of salicylic acid 79. - Volatility of benzoic acid 405. Lessing R. Separation of zirconium from iron and aluminium 161. Levallois F. Tannins for use in wine making, 200. Levene P. A. Hexosamines and Mucoproteins (Review) 57. L e a H. B. and Wilson R. H. Determination of cystine in urine 589. Lewis W. L. Vose R. S. and Lowry C. D. Use of sodium nitrite in curing meats 90. Linden H. See Chapman A. C. and Linden H. Line J. Aluminium and acid soils 532. Liverseege J. F. Birmingham City Analyst's Annual Report for 1925 294; Quarterly Reports Fourth quarter 1925 182 ; First quarter 1926 346; Second quarter 1926, 512.See Poirot G. and Lambert A. See Mach F. and Lepper W. Liverseege J. F. Examination of drug tablets 182. - Gregory's Powder 295. - The composition of milk in " Appeal to the Cow " cases 295. Lochte H. L. New micro method for deter-mining carbon in organic compounds 364. Loebich 0. Determination of perchloric acid, 371. Lomholt S. Electrolytic method for investigat-ing the circulation of gold in the animal organism 97. Looney J. 1. Colorimetric determination of tyrosine tryptophane and cystine in proteins. II. 588. Lowry C. D. See Lewis W. L. Vose R. S. and Lowry C. D. Lucas A. Problems in connection with ancient Egyptian materials 435. Lucius F.Determination of sugars in honey, 581. Liiers H. and Weinfurtner F. Relative effec-tiveness of disinfectants 259. Luff A. P. and Candy H. C. H. A Manual of Chemistry (Review) 166. Liihrig -. Cases of poisoning by sodium silicofluoride 99. Lukas J. See Hanus J. Jilek A. and Lukas J. Lundell G. E. F. and Knowles H. B. Deter-mination of uranium 52. - Rapid detection of small amounts of alumin-ium in certain non-ferrous materials 214. Lundsgaard I. C. and Holbil S. A. Investiga-tions into the standardisation and calibration of collodion membranes 428. Lutz R. P. See Anderegg F. O. and Lutz, R. P. Lyons R. E. See Bradt W. E. and Lyons R. E. Lyttle J. D. and Hearn J. E. Comparison of the Folin-Wu and the new Benedict method for sugar in blood and cerebrospinal fluid 466.M Mach F. and Lepper W. Determination of thallium 367. Mack E. See Church W. H. Mack E. and Boord C. E. MacLean H. Carbohydrate metabolism in health and disease 429. Magnette M. Changes undergone by alkaloids of the tropine group in putrefying organic media, 419. Malaprade M. L. Potentiometric titration of some oxidising acids 271. - See also Travers A. and Malaprade M. L. Mallinson G. A. Toxic action of sassafras oil and safrol on animals 46. Mandel J. A. See Deuel Junr. H. J. Waddell, S. S. and Mandel J. A. Bhm 0. Manning J. Preparation of nickel membranes for ultra-filtration 428. Manville I. A. Variations in fat-soluble vitamin content of eggs preserved by different methods, 369. See Herzner R. and Mann 0 xii INDEX TO VOLUME LI.Marasco 1. Determination of acetone by means of hydroxylamine hydrochloride 472. Marcan A. Report of the Government Labora-tory of Siam at Bangkok for the two years April 1922 to March 1924 463. Marcelet H. Head oils of the dolphin (Del-phinus Delphis Lin.) 473. Marcovitch S. The fluosilicates as insecticides, 420. Mareeuw W. v. d. D. Colour reaction dis-tinguishing between aniseed oil and star anise oil 254. Marmasse P. See Lebeau P. and Marmasse, P. Marsh L. G. See Wyant L. D. and Marsh, L. G. __ - . Marshall S. C. and Salamon M. S. Lime pip oil 237. Martin C. J. See Walker M. and Martin C. J. Martini A. New metallic pyrocatechol com-pounds and their use in microchemical analysis, 646. Marvel C. S. Organic Syntheses.Vol. V. (Review) 378. Masson I. Three Centuries of Chemistry. Phases in the growth of a Science (Review), 326. Massy R. Polarimetric examination of oil of cade 466. Masters H. See Tinkler C. H. and Masters H. Matignon C. See Copaux H. and Matignon C. Mattick A. T R. “ Apparent ropiness ” (thread formation) in milk due to surface influence 527. - See also Proctor I . F . and Mattick A. T. R. Mattikow 1. See Thomas A. W. and Mattikow, M. Mattingley F. See Wilson H. F. and Matting-ley F. Maxymowicz W. See Brukl A. and Maxy-mowicz W. - See also Moser L. and Maxymowicz W. May P. Determination of moisture in cloves, 253. Nay R. M. See Le Guyon R. F. and May, R. M. Mayer F. McArdle D. W. The Use of Solvents in Syn-thetic Organic Chemistry (Review) 274.McCollum E. V, and Kruse H. D. Observations on the extraction of vitamin B from wheat germ 360. McCrae J. A modification of the Gillespie approximate method of determining hydrogen ion concentration 287. McDonald F. G. See Rills C. E. and McDonald, F. G. McLang J. Aseptosol A new antiseptic phenol from betel leaves 356. Mellet R. and Bischoff 1. A. Chemical re-actions and volumetric titrations in Wood’s light 480. - Deciphering chemically hleached writing by means of dyes 100. Melling S. E. Lemon Cheese A defective certificate (Legal Notes) 243. See Kickton A. and Mayer F. Mellor J. W. A Comprehensive Treatise on Inorganic and Theoretical Chemistry. Vol. VI. (Review) 113. Mennell H. Test for mercerised cotton 422.Mercer F. N. See Howe J. L. and Mercer F. N. Meunier L. and Bonnet A. Fluorescence of fisetin 54. Meunier L. and Jamet A. Fluorescence of acetone extracts of tanning materials 481. Meurice R. Detection of cadmium in presence of copper 367. - Volumetric determination of potassium 368. Meyer J. and Pawletta A. Colorimetric deter-mination of vanadium 595. Meyerfeld J. Detection of sodium in presence of potassium 52. Michaelis L. Practical Physical and Colloid Chemistry for Students of Medicine and Biology (Review) 22 1. Middleton A. R. Reaction of ‘‘ aluminon ” with hydroxides of beryllium rare earths, zirconium and thorium 537. Middleton G. See Bennett R. R. and Middleton, G. Millar H. E. See Withey W. H. and Millar, H. E. Miller E. R. See Salmon W.D. and Miller, E. R. Missenden J. Odour intensity and odour quality 203. Mitchell C. A. A colour reaction of saponin with nitrates 181. - Mercuric iodide ointment (Editor’s Note) 293. - Some aspects of the new regulations on food preservatives 372. Mitchell H. H. and Carman G. G. Biological value of the nitrogen of mixtures of patent white flour and animal foods 358. Mitchell L. A. See Smith E. R. Alfend S. and Mitchell L. A. Mitchell L. C. and Mend S. Preparation of butter samples for analysis 40. Mitchell S. Method for determining the solu-bility of sparingly soluble substances 539. Mohorcic H. Occurrence of iodine in water-gas, 51. Monier-Williams G. W. “ Blowing ” of canned fruit due to chemical action 402. Moore J. M. See Hughes J.S. Payne L. F., . Titus R. W. and Moore J. M. Morales R. See Georgia F. R. and Morales K. Moran T. Effect of low temperatures on hens’ eggs 39. Morell J. C. See Egloff G. and Morell J. C. Morrell R. S. The Chemistry of Drying Oils (Review) 432. Morton J. E. and Spencer G. C. Separation of formic acid in food products by distillation with xylene 415. Moser L. and Hanika F. Absorption of carbon monoxide by cuprous chloride solution 266. Moser L. and Maxymowicz W. Alleged determination of nickel as dioxide 52. - Separation and determination of bismuth by hydrolysis 161 . INDEX TO VOLUME LI. XI12 Mount V. Proof of fatal dose of strychnine, 531. M d o r d P. B. Dermatitis due to the external use of methylated spirit 47. Mummery W. R.The colorimetric determina-tion of iron by the ferrocyanide method 511. Much J. C. - Refractometric determination of alcohols and esters in aqueous and in cottonseed oil solution, 314. MunSrati 0. Age of wheat determined from temperature of germination 261. Munro B. J. See Dugdale C. M. and Munro, R. J . Murray J. A. The Science of Soils and Manures (Review) 115. Muschter F. J. F. and Smid R. Influence of fatty acids on Bijmer’s melting-point method, 464. Muschter F. J. F. and Visser G. Identification of a-palmitodistearin in presence of B-palmi-todistearin 353. M w o L. Fatal poisoning by sodium nitrite, 641. Muttelet C. F. Differentiation of “ regenerated ” preserved peas and preserved green peas 150. Bio-assay of drugs 42. N Nakano I.See Nakaseko R. and Nakano I. Nakaseko R. and Nakano I. Determination of small amounts of lead in animal tissues 46. Neale S. M. Determination of deliquescent substances in sized cotton materials 645. Nelson E. K. Detection and determination of lactic acid in the presence of other organic acids 591. - Pectic acids 582. Nelson J. M. and Anderson R. S. Glucose and fructose retardation of invertase action 588. Nemec A. Colorimetric determination of phos-phoric acid in soils 532. Neusbaum C. A. De Verter P. L. and Dean, E. W. Portable combustion apparatus for the detection and measurement of small quantities of petrol vapour 211. Newcomb C. Determination of alcohol and ethyl chloride in chloroform 19. - Report of Chemical Examiner for Govern-ment of Madras for year 1925 409.Newton E. B. See Benedict S. R. Newton, E. B. and Behre J . A. Nichols 1. L. and Thies 0. J. Junr. Influence of citrates on the precipitation of barium sul-phate 216. Nicloux M. See Hackspill L. Rollet A. P., and Nicloux M. Nicloux IK. and Roche J. Reaction of potass-ium ferricyanide with the blood pigment 95. Nicol H. Nierenstein M. A flask for the recovery of volatile liquids 569. - The use of acetic anhydride in Zeisel’s method for the determination of methoxy groups 456. The perceptior of odour 373. N o d C. and settler A. 0. Poisoning by lead Nugent R. L. See Estill H. W. and Nugent, tetra-ethyl 209. R. L. 0 Ogbm S. C. Qualitative separation of the Ormont B. Iodimetric determination of arsenic Oser B.L. and Km W. G. Correction of Otkensooser F. Serological differentiation of Otto C. Improvement of the cobalt aluminate Owens J. S. Measuring the smoke pollution Owens W. M. See Heilbron I. M. Kamm E. D. platinuni metals 647. acid 269. Folin-Wu blood sugar values 258. yeasts 638. test for aluminium 478. of city air 2. and Owens W. M. P Page H. J. See Warren R. G. Gimingham C. T. and Page H. J. Page R. P. Annual Report of Public Analyst for Borough of Portsmouth for 1924 32 ; for 1925 457. Paget H. The determination of ascaridole in chenopodium oil 170. Palmer W. W. Titration of organic acids in urine 418. Pantin C. F. A. See Atkins W. R. G. and Pantin C. F. A. Park B. The bismuthate method for the deter-mination of manganese 425.Pwkes A. E. A simple method of testing fbr the presence of sulphites in foodstufi 620. Parry E. J. Parry’s Cyclopaedia of Perfumery (Review) 117. Partridge W. The detection of apple pulp in jam 346. Pawletta A. See Meyer J. and Pawletta A. Payne L. F. See Hughes J. S. Payne L. F., Titus R. W. and Moore J. M. Pederson C. S. Peterson W. H. and Fred E. B. Forms of lactic acid produced by pure and mixed cultures of bacteria 361. Pegurier M. G. Standard alkaline copper solution (Fehling reagent) 91. Peper J. P. Determination of the age of bread, 251. Perkins G. A. Oxidation of chaulmoogric acid by permanganate 465. Perrin F. Perrot E. and Rouhier A. Yocco a new caffeine-containing drug 465. Peterkin A. G. and Ferris S. W. Vacuum distillation test for heavy petroleum oils 104.Peterson J. B. Test to show the absence of citrate or tartrate in mixtures 49. Peterson W. H. See Pederson C. S. Peterson, W. H. and Fred E. B. See Chilowsky C. and Pemn F xiv INDEX TO VOLUME LI. PebaFi V. Phelps E. P. and Rowe A. W. of aldehyde in ether 308. Philippe 1. M. Pickworth F. A. of iodine in thyroid gland 92. Pierlot G. Adulteration of saffron 41. Pieke M. Preparation of myoalbumin by the t acetone method ; its principal properties 45. Pigo& M. G. See Holmes A. D. and Pigott, M. G. Platt B. S. and Dawson E. R. Factors influ-encing the action of pancreatic lipase 96 Plimmer R. H. A. and Rosedale J. H. -4nalysis of Proteins. VII. Direct determination of arginine 309. Poirot G. and Lambert A.Detection of blood in urine 642. Popp -. Use of ultra-violet light in the exam-ination of foods 540. Porter L. E. Colorimetric method for the deter-mination of free chlorine in air 476. Poucher W. A. Perfumes Cosmetics and Soaps with especial reference to Synthetics (Review) 275. Pomck W. C. Inactivation of vitamin -4 by rancid fat 259. - See also Hoagland I<. and Powick W. C. Prescher J. and Claus R. Examination of cacao butter for alkali and alkaline earth 199. Price E. A. Prideaux E. B. R. See Roper E. C. and Ritzker J. and Jungkunz R. Deterioration of - Natural and caffeine-free coffees 355. Proctor F. Proctor I. F. and Mattick A. T. R. Proffitt 1. J. Pucher G. W. and Day,. H. .A. psriki C. Avgotarachon 198. Haemolysins of fungi 260.Determination See Balthazard -. and Philippe, Method for the determination See Cocking T. and Price E. -\. Prideaux E. B. I<. fats and oils and its detection 635. Chamomile (mayweed) and a taint in milk 527. Alkaline milk and its deteection by the brom-cresol purple test 197. See Jackson li. F. Silsbee C. G., and F’roffitt M. J. Colorimetric method for the determination of hydroxyl-amine 266. R Rae+ W. R. See Reilly J. Rae W. X. and Wheeler T. S. Rakshit J. N. The determination of total alkaloids sugar and oily substances in opium, 491. Randoin L. and Lecocq R. Differences in water-soluble vitamins of yeast extracts of varied origin 469. - Use of commercial dextrin in artificial diets, 638. Ranwez F. Characteristic reactions of luminal, 203.R h e i A. Micro-analytical determination of sulphur and halogens 647. Reichstein T. Anthraquinone-Bcarboxylic acid chloride as a reagent for alcohols etc. 643. Reif G. Detection of tannin in fermentation vinegar 41. Reifenberg A. See Fodor A. and Reifenberg, A. Reilly J. Rae W. N. and Wheeler T. S. Phy-sico-Chemical Methods (Review) 487. Reinitzer B. and Conrath P. Volumetric determination of chromium 367. Reinitzer F. The coniferyl reaction of resins, 644. Rice A. C. Fogg H. C. and James C. Phenyl-arsonic acid as a precipitant for zirconium and thorium 318. Rice F. 0. Catalytic activity of dust particles, 539. Richard F. Solubility of corrosive sublimate in ether 636. Richards A. N. See Wearn J . T. and Richards, A.N. Richet -. Gardner -. and Goodbody. -. Effect of zirconium titanium and manganese salts on nutrition 98. Richmond H. D. and Eggleston J. A. Analysis of ace tic anhydride 2 8 1. Richmond H. D. and England E. H. The analysis of glacial acetic acid 283. Rideal E. K. Surface Chemistry (Review) 598. Ries E. D. and Clark L. E. Determination of sulphur dioxide in the presence of excess of air, 477. Rising M. M. and Hicks J. S. Determination of small quantities of water in methyl alcohol, 472. Ritter G. J. Distribution of lignin in woods, 50. Roberts J. F. See Bliss H. Duerden J., Roberts J . F. Blyth J. Hirst H. and King, A. T. Robinson 0. See Kolthoff I. M. and Robinson, C. Robinson C. S. and Huffman C. F. Concentra-tions of certain constituents in normal beef plasma 257.Roche J. Rogers A. Industrial Chemistry (Review) 601. Rolleston H. An address on the medical aspect of tobacco 319. Rollet A. P. Colorimetric determination of nickel 537. - See also Hackspill L. Rollet A. P. and Nicloux M. Roper E. C. and Prideaux IF. B. R. Analysis of bifluorides 370. Rose R. E. Growth of the dyestuffs industry, 597. Rosedale J. L. See Plimmer R. H. A. and Rosedale J. L. Rosenheim O. and Drummond J. C. Delicate colour reaction for the presence of vitamin A , 93. Rothrock H. A. See Dutcher R. A. Creighton, M. and Rothrock H. A. Rottinge A. C. Determination of total solids. A new micro method 363. See Nicloux M. and Roche J INDEX TO VOLUME LI. XV Rouhier A. See Perrot E. and Rouhier A.Bonppert C. Benzidine as a reagent for living plants 258. Rowe A. W. See Phelps E. P. and Rowe A. W. Rnndshagep H Determination of citric acid and mahc acid in tobacco 645. - Determination of nicotine in tobacco 153. Russell A. S. Air oxidation of titanous sulphate solution. Vanadous sulphate a new and powerful reducing agent 267. - Volumetric determination of uranium vana-dium copper and iron in uranium ores 268. S Saccardi P. Sensitive reactioii for carbon Salamon M. S. Data used in graph for beeswax, - See also Marshall S. C. and Salamon &I. S. Sale J. W. See Badger C. A. and Sale J . W. - See also Wilson J . B. and Sale J. W. Salmon W. D. and Miller E. R. Water-soluble vitamin content of the velvet bean 260 Sandiiands J. Analysis of mercuric iodides 255.Sawland A. Examination of plated articles, 109. Sayers R. R. and Yant W. P. Pyrotannic acid method for the determination of carbon monoxide in blood and in air 99. Scharrer K. Determination of chlorates and perchlorates 370. Schlutz F. W. and Ziegler M. R. Spectro-scopic observations on cod liver oil. 11. Absorption bands of cholesterol 586. Schmidt J. A Text-book of Organic Chemistry (Review) 485. Schoeller W. R. The separation of iridium from iron 392 455. Schoeller W. R. and Jahn C. Investigations into the analytical chemistry of tantalum, niobium and their mineral associates. VI. The precipitation of the earth acids by sodium compounds 613. Schotz S. P. Schreiber N. E. See Booth H. S. and Schreiber, N. E. - See nlso Booth H.S. Schreiber N. E. and Zwick K. C. Schrenk H. H. See Kemmerer G. and Schrenk, H. H. Schrenk W. T. and Browning B. L. Electro-metric determination of tellurium 162. - Volumetric determination of selenium and tellurium 647. Schroeder W. F. and Edelman D. Composition of fresh and cured hams 249. Schweizer Gc. Scott D. A. Further investigation of the Sears Gc. W. Separation of tantalum and Seidenberg A. Chlorine in bleached flour 150. Seil a. E. Determination of hydrocyanic acid disulphide 636. 293. Synthetic Rubber (Review) 653. Reaction for xanthin 466. chemical properties of insulin 96. niobium 215. in gaseous mixtures 4’71. Semichon L. and Flaney -. Grape pectins and their influence on wines 523. - The clearing of sugar solutions (wines) by mercuric salts 352.Serger H. Chlorinated drinking water and its use in the preparation of canned foods 362. Shaw T. B. and Federick R. C. Freshly-ground coffee and Sherman E. See Hess A. F. Weinstock M., and Sherman E. Sherman H. C. and Cammack M. L. Quantita-tive study of storage of vitamin A 360. Sherman H. C. and Woods E. Determination of cystine by means of feeding experiments, 154. Short W. F. See Hosking J . li. and Short, W. F. Shrewsbury H. Report of the Government Analyst for Trinidad and Tobago for the year 1925 462. Shrewsbury H. S. Sources of albumin in ancient Egypt 624. Shutt F. T. Report of the Dominion Chemist for Canada for the year ending March 31st, 1925 519. - The examination of Canadian sprayed apples for arsenic 291.Silsbee C. G. See Jackson K. F. Silsbee C. G., and Proffitt M. J . Smid R. See Muschter F. J . l?. and Smid R. Smith D. T. See Dedlow C. and Smith D. T. Smith E. F. Forgotten chemists 319. Smith E. R. Wend S. and Mitchell L. C. Detection of added pepper shells in pepper, 684. Smith Gc. Detection and determination of glycerol in cotton cloth and sized yarns 265. Smith H. L. and Cooke J. H. The determination of very small quantities of iron 503. Smith P. See Elsdon G. D. and Smith P. Snider Gc. G. See Hoagland R. and Snider, G. G. Snyder C. F. Temperature corrections of Baum6 hydrometer readings 427. Snyder J. E. See Brown F. E. and Snyder, J. E. Sobotka H. Oxidation of methylated glucoses, 522. - See a h Elek A. and Sobotka H.Soop E. J. See Geniesse J. C. and Soop E. J. Southgate H. W. A chemical test for alcoholic intoxication 208. - Effect of high temperatures on the accessory food factor content of cod liver oil 94. Spacu G. Separation of mercury from iron, 51. Spencer G. C. See Morton J . I<. and Spencer, G. C. Sproxton F. Cellulose Ester Varnishes (Review) , 166. Stamm J. Evidence of decomposition of oils and fats 416. Stathopoulo T. Yogurt as a dietetic food and medicine 414. Staudinger H. Introduction t o Qualitative Organic Analysis (Review) 488. blown ” tins 308 xvi INDEX TO VOLUME LI. Steenbock H. Stei.de J. V. and Kahlenberg L. See Hart E. B. Steenbock H., and hpkovsky S. Identification and determination of cholesterol and certain other compounds (Identification of hydro-genated oils) 310.Stern E. and Becker H. Foods made from yeast 250. Stern H. T. Colorimetric P test of water or unbuffered solutions 100. Stevens H. P. Rubber and its uses in Building Works (Review) 434. Stewart A. W. Recent Advances in Physical and Inorganic Chemistry (Review) 541. Stock C. J. The use of glazed earthenware con-tainers. (Durham Public Analyst’s Report), 82. Stokes J. Junr. See Kahn G. and Stokes J., J unr . Strecker W. and De la Pena P. Determination of thallium 160. Strecker W. and Diaz F. 0. Analytical chemistry of rubidium and caesium 162. Stnbbs J. R. Sweet potato starch in cornflour and arrowroot 400. Subbarow Y. See Fiske C. H. and Subbarow Y . Sucharipa A. See Feigl F. and Sucharipa.A. Sumner J. B. A more specific reagent for deter-- Isolation and crystallisation of the enzyme - Recrystallisation of urease 637. Surun -. Svedberg T. and Fllhraeus R. Swift R. W. Swoboda .K. and Horny R. cerium in alloy steel 215. Seilard P. mination of sugar in urine 45. urease 587. Determination of absorptive powers of charcoals 481. New method for the determination of the molecular weight of proteins 216. See Forbes E. B. and Swift R. W. Determination of Detection of artificial pearls 53. T Tammann G. The States of Aggregation The Changes in the State of Matter in their Depend-ence upon Pressure and Temperature (Review), 489. Tankard A. R. Annual Report of the Public Analyst for Kingston-upon-Hull for 1925 625. - Note on the filtration method of measuring the sediment in milk 31.Tankard A. R. and Bagnall D. J. T. The examination of fish for formaldehyde 565. Tanner H. G. Identification of “ Norit ” and other wood charcoals 50. Taylor T. C. and Lehrman L. Unsaturated fatty acids associated with corn (maize) starch, 464. Tcshischewski N. Analysis of boron alloys 424. Ter Yeulen H. Determination of arsenic in - Determination of mercury in organic and Thies 0. J. Junr. See Nichols M. L. and organic compounds 42 1. inorganic compounds 422. Thies 0. L. Junr. Thomas A. W. and Mattikow 1. Method for the direct identification of rapeseed oil by isolation of erucic acid 315. Thompson G. R. Annual address of the Pre-sident 120. Thompson R. C. On the Chemistry of the Ancient Assyrians (Keview) 11 2.Thomson C. H. On the effect of “ blowing ” on the composition of certain fatty oils 177. Thorpe E. Dictionary of Applied Chemistry. Vol. VI. S-Acid to Tetryl (Review) 374. Thorpe J. F. and Whiteley M. A. A Student’s Manual of Organic Chemical Analysis Quali-tative and Quantitative (Review) 55. Tingey H. Tinkler C. K. and Masters H. Applied Chemistry (Review) 543. Titus R. W. See Hughes J. S. Payne L. F., Titus R. W. and Moore J . M. Titus R. W. Hughes J. S. Hinshaw W. R. and Fitch J. B. Destruction of vitamin A in milk by ultra-violet light 530. Tocher J. F. Notes on variations in the com-position of milk 606. - Variations in the composition of milk 146. Toms H. Further notes on the crystalline bromides of linseed and some other drying oils 387.Travers A. and Malaprade -. Constitution of dissolved molybdic acid 538. Trease G. E. and Tingey H. Use of carbon tetrachloride as a reagent for phenols 634. Trotman E. R. Determination of dissolved oxygen in effluents 362. Tso E. Effect of chemical preservation of eggs upon the stability of their vitamin contents, 312. Fatty acids of shark liver oil 49. See Trcase G. E. and Tingey H. Tsujimoto M. U Ullh E. A. Plantain (banana) flour 634. V Van Blarcom H. S. See Brubaker H. W. Van Blarcom H. S. and Walker N. H. Van Duin C. F. Determination of halogen in organic compounds 431. Van Liempt J. A. M. Invert sugar as a reagent for boric acid determinations 293. Vanstone E. New method of evaluating basic slags and mineral phosphates 47.Van Urk H. W. Colorimetric determination of ferric iron by means of pyramidon 594. Veitch F. P. Frey R. W. and Leinbach L. R. Polluted atmosphere a factor in the deteriora-tion of bookbinding leather 373. Venkataraman I(. See Hubner J. and Ven-kataraman K. Ventre J. and Bouffard E. Influence of sugar on the determination of ammonia in grape must 352 353. Verwiebe A. See Hoyt L. F. and Verwiebe A. Vickery H. B. Simpler nitrogenous constituents of yeast. I . Choline and nicotinic acid 468 xvii INDEX TO VOLUME LI. Vickery H. B. Some nitrogenous constituents of the juice of the alfalfa plant. VI. Asparagine and amino acids in alfalfa 100. Viukery H. B. and Leavenworth C. S. Separa-tion of histidine and arginine 418.Visscher M. B. Determination of glucose in the presence of phosphate buffers 521. Visser G. See Muschter F. J. F. and Visser G. Vizern -. and Guillot -. Differentiation of ravison rape seed and black mustard seed 262. Vliet E. B. and Adams R. Relationship between hydrogen ion concentration and chemical constitution in certain local anaes-thetics 527. Vortmann G. The absence of mirror formation in Vortmann’s method of separating silver and lead 456. Vortmann G. and Binder F. Use of uranous sulphate in volumetric analysis 158. Vohann G. and Hecht 0. Separation of silver from lead 158. Vose R. S. See Lewis W. L. Vose R. S. and Lowry C. D. W Waddell 6. S. See Deuel Junr. H. J. Waddell, Wade J. Introduction to the Study of Organic Wagner A.Natural musk 593. Wahlin -. See Beister -. Wood -. and Walker E. Colour reaction for disulphides 317. Walker M. and Martin C. J. Determination of the strength of liquid hydrocyanic acid by specific gravity 202. Walker N. H. See Brubaker H. W. Van Blarcom H. S. and Walker N. H. Wallis T. E. Practical Pharmacognosy (Re-view) 56. Ward T. J. Effect‘ of cellulose on arsenic determinations 457. Warren R. G. Gimingham C. T. and Page, H. J.Determination of fluorine in basic slag 101. Waterman R. E. See Williams R. R. and Waterman R. E. Wearn J. T. and Richards A. N. Quantitative determination of minute amounts of urea 154. Weatherby L. S, and Chesny H. H. Use of glucose syrup in the titration of borax 538. Weber L. E. The Chemistry of Rubber Manufacture (Review) 433.U7einfurtner F. See Luers H. and Weinfurtner F. Weinstock M. See Hess -4. F. Weinstock M., and Sherman E. Weir A. A. Data used in graph for beeswax, 181. West W. Wheeler A. S. and C. R. Harris Borneo1 in Wheeler R. V. See Burgess M. J. and Wheeler, - See also Coward. H. F and Wheeler. R. V. S. S. and Mandel J . A. Chemistry (Review) 376. Wahlin -. See Kendall J. and West W. spruce turpentine 49. R. V. White R. G. Effect of Pasteurisation on the infectivity of the milk of tuberculous cows, 156. Whiteley M. A. See Thorpe J. F. and Whiteley, M. A. Whitford E. L. Gasometric method for the determination of acetic anhydride 103. Wiechomki -. Physiological action of hash-ish 643. Willcox W. The Dangerous Drugs Act 319.Williams J. F. Rapid determination of alcohol in distilled spirits and of colour in whiskey, 583. Williams J. G. See Ardagh E. G. R. and Williams J . G. Williams K. A. See Rolton E. R. and Williams, K. A. Williams R. J. and Lasselle P. A. Identifica-tion of creatine 198. Williams R. R. and Waterman R. E. Soln-bility of vitamin B in benzene 470. Willimott S. G. and Wokes F. Vitamin con-tent of Tinct. Limonis Fortis B.P.C. 530. Wilson H. F. and Mattingley F. The use of the potassium iodide and iodate method for the titration of Kjeldahl distillates 569. Wilson J. B. and Sale J. W. Analysis of commercial vanilla oleoresins 253. Wilson R. H. See Lewis H. B. and Wilson, R. H. Windhausen 0. Toxicology of methyl alcohol, 590. Wirtel A. F. See French H.E. and Wirtel, A. F. Wirth A. Analytical balance without rider, 482. Withey W. H. and F a r ? H. E. Determina-tion of aluminium oxide in aluminium 425. Wokes F. See Willimott S. G. and Wokes F. Wolff J. Presence in various fungi of an un-known oxydase 206. Wood -. See Beister -. Wood -. and TVahlin -. Woods E. Wright C. H. 235. Wyant L. D. and Marsh L. G. 105. See Sherman H. C. and Woods E. The hot springs a t Nasavusavu, Paraffin wax, Y Yant W. P. - See also Sayers R. R. and Yant W. P. Yntema L. F. See Jones G. W. and Yant W. P. See Harris J. A. Yntema L. F., and Hopkins B. S. Z Zander H. Refractometric determination of Ziegler 1. R. See Schlutz F. W. and Ziegler, fat in oilseeds and oil cake 592. M. R. Zorkendorfer Prof.Zwick. K. C. Observations on the phar-See Booth. H. S Schreiber. N. E macology of springs and peats 482. Wheeler T. S. See Reilly J. Rae W.‘ N. and Wheeler T. S. and-Zwick K. C. xviii INDEX TO VOLUME LI. INDEX TO A Abietic Acid Crystalline salts of - Deter-mination of -. G. Dupont L. Desalbres and A. Bernette 365. Absorption bands of cholesterol. Spectroscopic observations on cod liver oil. 11. -. F. W. Schlutz and M. R. Ziegler 586. Absorptive power of charcoals ; Determination of -. Surun 481. Abstracts of Papers published in other Journals : 38 90 150 197 249 303 351 413 464, 521 581 634. Accnm F’rederick Life and Chemical Services of -. Acetaldehyde in normal blood and its quantita-tive study in blood of normal and diabetic dogs.Acetic Acid glacial ; Analysis of -. H. D. Richmond and E. H. England 283. glacial; Determination of the strength of - . glacial ; Effect of propionic acid on -. 284. Acetic Anhydride Analysis of - H. D. Richmond and J. A. Eggleston 281. Gasometric method for determining -. E. L. Whitford 103. Use of - in Zeisel’s method for determin-ing methoxy groups. M. Nierenstein 466. Amtone bodies in blood and urine ; Colori-metric method for determining -. J . A. Behre and S. R. Benedict 639. Determination of - by means of hydroxyl-amine hydrochloride. M. Marasco 472. extracts of tanning materials ; Fluorescence of -. L. Meunier and A. Jamet 481. in chloroform. 19. method of preparing myoalbumin ; its principal properties. M. Piettre 45.Acid in wool; Determination of alkali and -. H. R. Hirst and A. T. King 212. soils ; Aluminium and -. J . Line 532. (Review) C. A. Browne 276. A. H. Bee and I. L. Chaikoff 640. C. 0. Harvey 238. Acidimetric titration and composition of com-mercial lactic acid. R. Eder and F. Kutter, 533. Acidity of highly coloured fruit-type products ; Determination of -. C. H. Badger and J . W. Sale 583. of soil; Colloidal complications in the thiocyanate method of determining the -. F. 0. Anderegg and R. P. Lutz 48. of writing inks Electrometric determination of the -. H. A. Bromley and A. de Waele 567. Revision of words denoting -. 193 195. SUBJECTS. Acids Amino -. See Amho=Aci+. Combination of proteins amino-acids etc. (in milk) with - and alkalis and their combining weights.Dissociation constants of various - in presence of boric acid. J. Bceseken and J . Coops 423. earth- ; Precipitation of - by sodium com-pounds. (Investigations into the analytical chemistry of tantalum niobium and their mineral associates. VI.) W. R. Schoeller and C. Jahn 613. Fatty -. See Fatty Acids. Iodimetric titration of -. I. M. Kolthoff, 477. organic ; Detection and determination of lactic acid in presence of other -. E. K. Nelson 591. organic - in urine ; Titration of. W. W. Palmer 418. organic - of tomatoes. A. Bomtrager, 151. oxidising - ; Potentiometric titration of some. M. L. Malaprade 271. oxygenated - derived from non-metals or metals of a similar character ; Names of. 192 195. Aconitic Acid and its isomers ; Natural occurr-ence of -.Aconitine Methyl red as indicator for -. 316. Adsorbing properties of cellulose compounds. Adulterated food in restaurants. (Legal Notes.) &=-Agar Boron compound in -. Aggregation Stages of -; Changes in the state of matter in their dependence upon Pressure and Temperature. (Review) G. Tammann 489. Agricultural analysis Abstracts. 47 100. 156, 211 261 314 363 419 532. Education Association Sub-Committee’s Re-port and recommendations on mechanical analysis of soils 211. Re-port on Food Products and Drug Products for 1924. 87. Agriculture United States Department of -. Food Inspection Decisions. No. 198 Wine vinegar grape vinegar and malt vinegar, 579; No. 199 Gluteft flour self-raising “ Diabetic food and Canned Pea grades 580; No.200 Milk and its Products 580 ; No. 201 Glucose mixing glucose Confectioner’s glucose 581. L. J. Harris 39. 0. A. Beath 525. M. J . Duclaux 481. 630. 564. Experiment Station ; Connecticut -INDEX TO VOLUME LI. XiX Agriot Cherries Kefractometric investigation of juice of -. 41. Air carbon monoxide in blood and -; Pyrotannic acid method for determining. R. R. Sayers and W. P. Yant 99. chlorine in - ; Colorimetric method for determining free. L. E. Porter 476. currents ; Influence of cooling power and of variability of - on sensations of air movements. 191. currents ; Measurement of variations in the velocity and temperatures of -. 190. inflammability of firedamp and - ; Limits of. (Safety in Mines Research Board Report No.15.) M. J. Burgess and R. V. Wheeler 302. oxidation of titanous sulphate solution. Vanadous sulphate a new and powerful reducing agent. Oxygen and carbon dioxide limits in respira-tory -. A. Grogli 256. smoke pollution of city - ; Measuring the. J. S. Owens 2. sulphur dioxide in presence of excess of - ; Determination of. E. D. Ries and L. E. Clark 477. tester. R. C. Frederick 397. Alabaster in ancient Egypt. 446. Albumin in ancient Egypt; Sources of -. H. S. Shrewsbury 624. Albuminoid Ammonia in sewages and effluents ; Method for the combined determination of oxygen absorbed and -. J W. Haigh Johnson 345. Alcohol in chloroform ; Determination of ethyl chloride and -. C. Newcomb 19. in distilled spirits ; Rapid determination of - and of colour in whiskey.J. F. Williams 583. Methyl -. See Methyl Alcohol. Power - production from sugar beet. (Report to Minister of Agriculture) 463. -soluble protein isolated from polished rice. W. F. Hoffman 205. Alcoholic beverages ; Detection of methyl alcohol in -. F. R. Georgia and R. Morales 252. intoxication ; A chemical test for -. H. W. Southgate 208. Alcohols Anthraquinone-8-carboxylic acid chlo-ride as a reagent for -. T. Reichstein, 643. in aqueous and cottonseed oil solutions; Refractometric determination of esters and -. J. .C. Munch 314. a-Naphthyl isocyanate as a reagent for -. V. T. Bickel and H. E. French 263. Saturated aliphatic - from sperm oil and spermaceti. E. And& and T. Frangois 644.Aldehyde in ether; Determination of -. E. P. Phelps and A. W. Rowe 308. Aldehydes 2:4 dinitrophenylhydrazine as a reagent for ketones and - ; Use of. 0. L. Brady and G. V. Elsmie 77. A. S. Russell 267. in glacial acetic acid. 285. Alfalfa nitrogenous constituents of the juice of the - plant; Some. VI. Asparagine and amino acids in -. H. B. Vickery, 100. Algae Arsenic in marine -. Alimentary pastes ; Determination of unsaponi-fiable matter in wheat flour - and eggs. R. Hertwig and L. H. Bailey 306. Aliphatic alcohols ; Saturated - from sperm oil and spermaceti. E.Andr6 and T. Franqois, 644. amines ; o-Naphthyl isocyanate as a reagent for phenols and -. H. E. French and A. F. Wirtel 472. compounds ; Effectiveness of - in attract-ing flies.Alkali Examination of cacao butter for -and alkaline earth. J. Prescher and R. Claus 199. in wool; Determination of acid and -. H. R. Hirst and A. T. King 212. Alkaline copper solution (Fehling reagent) ; Standard -. range of hydrogen ion concentration deter-minations; Buffer mixture for -. W. R. G. Atkins and C. F. A. Pantin 317. Alkaline Earth Examination of cacao butter for alkali and -. J. Prescher and R. Claus, 199. Alkalis Combination of proteins amino-acids, etc. (in milk) with acids and - and their combining weights. L. J. Harris 39. Alkaloid content of belladonna root. J. J . Blackie 202. Alkaloidal determinations ; Iodeosin indicator in -. D. B. Dott 255. titrations ; Indicators for -. H. Wales, 316. Determination of sugar, oily substances and total - J.N. Rakshit 491. of Ceanothus Americanus. A. H. Clark 366. of the tropine group ; Changes undergone by - in putrefying organic media. M. Magnette 419. lupine - ; Relative toxicity of. J. F. Couch, 361. Allen’s Commercial Organic Analysis. Vol. IV. (Review) 320. Alloy Steel cerium in - ; Determination of. K. Swoboda and R. Horny 215. Alloys boron - ; Analysis of. N. Tschis-chewski 424. Almonds Ground - and the Merchandise Marks Act. (Legal Notes) 187. Aluminium aluminium oxide in - ; Deter-mination of. W. H. Withey and H. E. Millar 425. and acid soils. J. Line 532. cobalt aluminate test for - ; Improvement of the. C. Otto 478. in certain non-ferrous materials Rapid detection of small amounts of -.G. E. F. Lundell and H. B. Knowles 214. new confirmatory test for -. H. W. Estill and R. L. Nugent 161. 548. W. C. Cook 314. M. G. Pegurier 91. Alkaloids in opium xx INDEX TO VOLUME LI. Aluminium-Continued. precipitates ; Co-precipitation of magnesium With - . A. Lassieur 368. Separation of zirconium from iron and -. R. Lessing 161. Aluminium Oxide in aluminium ; Determination of -. W. H. Withey and H. E. W a r , 425. 6 6 m m o n ’ 9 . . Reaction of - with hydr-oxides of beryllium rare earths zirconium and thorium. American wormseed oil. A. Hogstad Junr., 356. Amines aliphatic- ; a-Naphthyl isocyanate as a reagent for phenols and -. H. E. French and A. F. Wirtel 472. in the distillate from Kjeldahl-Gunning nitrogen determinations ; On the presence of -.R. A. Cortner and W. F. Hoffman, 648. Amino Acids Formaldehyde titration of certain - S. L. Jodidi 263. in alfkfa; Asparagine and -. H. B. Viekery 100. in milk ; Combination of proteins and -, with acids and alkalis and their combining weights. L. J . Harris 39. Ammonia albuminoid- ; Method for the com-bined determination of oxygen absorbed and - in sewages and effluents. J. W. Haigh Johnson 345. and mercurous salts; Interaction of -. F. Feigl and A. Sucharipa 51. in grape must; Influence of sugar on the determination of -. J . Ventre and E. Bouffard 352 353. separation of nicotine and - ; Methods for the. (Researches on the fermentation of dried tobacco. I.) A. Fodor and A. Reifenberg 98. Sliding-gauge colorimeter and determination of small amounts of nitrites lead iron and -.A. L. Bernoulli 649. Ammonium Sulphate Titration of - by the stearate method. H. Atkinson 140. Anaerobic spore-bearing bacteria in milk. E. A. Bliss 589. Anaesthetics local- ; Relationship between hydrogen ion concentration and chemical constitution in certain -. E. B. W e t and R. Adams 527. Analysis Errors of judgment in chemical -. J. F. Tocher 338. Inorganic -. See Inorganic analysis. microchemical ; New metallic pyrocatechol compounds and their use in -. A. Martini 646. Organic -. See Organic analysis. Preparation of butter samples for -. L. C. Mitchell and S. Alfend 40. Qualitative organic - Introduction to. (Review) H. Staudinger 488. Volumetric -. See Volumetric Analysis.Analyst The - ; A forerunner of. S. F. Burford 141. A. R. Middleton 537. Analyst’s certificate ; Alleged insufficiency of -. (Legal Notes Arsenic in apples), 408. Analytical balance without rider. A. Wirth, 482. Aniline poisoning ; A case of -. J . lnkster, 641. Animal foods ; Biological value of the nitrogen of mixtures of patent white flour and -. H. H. Mitchell and G. G. Carman 368. organism ; Electrolytic method for investigat-ing the circulation of gold in the -. S. Lomholt 97. organs or excreta ; Determination of bismuth in -. 159. poisoning cases. 410. tissues ; Determination of small amounts of lead in -. R. Nakaseko and I. Nakano, 46. tissues ; Nitrates in vegetable and -. E. Kohn-Abrest and S. Kawakibi 685. Animals arsenic in - ; Occurrence of.649. Toxic action of sassafras oil and safrol on -. G. A. Mallinson 46. Aniseed Oil Colour reaction distinguishing be-tween - and star anise oil. W. v. d. D. Mareeuw 254. Ankylostoma duodenale Carbon tetrachloride for treating -. 260. Anthraquinone-S-Carboxylic Acid Chloride as a reagent for alcohols etc. T. Reichstein, 643. Anthraquhone-B-Sulphonic Acid Oxygen ab-sorption by - in alkaline solution. T. K. Kruse 214. Antineuritic substances ; Differentiation be-tween the water-soluble growth-promoting and -. S. M. Hauge and C. W. Carrick 686. Anti-Knock materials. W. H. Church E. Mack and C. E. Boord 365. Anthachitic factor of cod liver oil ; Effect’ of storage on the - when mixed with ground grains. E. B. Hart H.Steenbock and S. Lepkovsky 94. substances. IV. The polymerisation of chol-esterol. C. E. Bills and F. G. McDonald, 469. 11. Separation into an active and inactive fraction. A. F. Hess M. Weinstock and E. Sherman 638. vitamin ; Relation between amount of ultra? violet light received by hens and amount of - in eggs produced. J . S. Hughes, L. F. Payne R. W. Titus and J. M. Moore, 207. Antiseptic phenol from betel leaves ; Aseptosol : a new -. J. McLang 356. Apparatus Abstracts. 53 110 164 216 318, 371 427 480 539 596 649. Apple juice and pectin products; Commercial - . H. Eckart 251. juices; Determination of starch in pectin and - by a sedimetric method. H. Eckart and A. Diem 524. pulp in jam; Detection of -. W. Part-ridge 346. value of irradiated cholesterol INDEX TO VOLUME LI.xxi Apples Arsenic in - ; Alleged insufficiency (Legal Notes) 408. arsenic in Canadian sprayed-. Examina-arsenic in - ; Occurrence of. H. E. Cox, arsenic in -. (Parliamentary Notes) 244. arsenic in - ; Prosecutions for. (Legal Notes) 83. arsenical - ; Inspector’s right of selection. (Legal Notes) 242. Arsenical -. (Legal Notes) 574. Contamination of - by arsenic. (Ministry of Health Circular No. 659) 38. in cold storage ; Functional diseases of -. (Food Investigation Board Report No. 23), 86. Preservation of - in storage. Applied Chemistry (Review) C. K. Tinkler and H. Masters 543. Dictionary of -. Vol. VI. S-Acid to Tetryl. (Review) E. Thorpe 374. Society of Chemical Industry Reports on the Progress of -.(Review) Vol. X. 603. Arachis Oil Thiocyanogen absorption of -. 264. Arecoline Methyl red as indicator for -. 316. Arginine Direct determination of - in the analysis of proteins. VII. R. H. A. Plimmer and J . L. Rosedale 309. Separation of histidine and -. H. B. Vickery and C. S. Leavenworth 418. Argon in blood. L. Hackspill A. P. Rollet and M. Nicloux 357. Armenian bole ; Arsenious oxide in -. 413. Aromatic hydrocarbons. See Hydrocarbons. Arrowroot Sweet potato starch in cornflour and - . Arsenic compounds in marine crustaceans and shell fish ; On the presence of -. A. C. Chapman 548. Contamination of apples by -. (Ministry of Health Circular No. 659) 38. determinations ; Effect of cellulose on -. T. J . Ward 457. “ Gulf sickness” and the - theory.A. Juckenack and A. Bruning 531. in animals. 549. in apples. (Parliamentary Notes) 244. in apples ; Alleged insufficiency of analyst’s certificate. (Legal Notes.) 408. in apples ; Occurrence of -. H. E. Cox, 132. in apples ; Prosecutions for -. (Legal Notes) 83. in Canadian sprayed apples ; Examination for in chemicals ; Determination of - by the in fish. 549 556. in marine algae. 548. in organic compounds ; Determination of in plants. 549. in sea-water. 555. of analyst’s certificate. tion for. 132. F. T. Shutt 291. 143. J . R. Stubbs 400. -. F. T. Shutt 291. electrolytic method. hT. Evers 526. - . H. Ter Meulen 421. heniecontiraued. in tartar emetic ; Lead and -. E. Grifliths Jones 201. Mercuric bromide paper for use in the Gutzeit test for -.G. Kemmerer and H. H. Schrenk 478, Arsenic Acid Iodimetric determination of -. B. Onnont 269. Arsenical apples ; Inspector’s right of selection. (Legal Notes) 242. Artichokes Analysis of Jerusalem - R. F. Jackson C. G. Silsbee and M. J . ‘Proffitt, 304. Artificial daylight shades ; Dyes for -. 697. diets ; Use of commercial dextrin in -. L. Randoin and R. Lecocq 638. $k ; Miscellaneous reactions fdr -. 213. wools ” Misuse of terms. 244. Ascaridole in chenopodium oil ; Determination of -. H. Paget 170. Aseptosol A new antiseptic phenol from betel leaves. J . McLang 356. Asparagine in alfalfa; Amino acids and -. H. B. Vickery 100. Aspirin tablets; Examination of -. 183. Associazone Italiana Di Chimica Address of the Society of Public Analysts to the -.280. Assyrians Chemistry of the Ancient -* (Re-view) R. C. Thompson 112. Atmosphere Polluted - a factor in the detenoration of bookbinding leather. F. P. Veitch R. W. Frey and L. R. Leinbach, 373. Atmospheres Apparatus for continuous per-colation and for filtration in neutral -. B. S. Evans 229. Atmospheric dusts ; Comparative tests of instruments for determining -. (U.S.A. Public Health Bulletin No. 144) 36. pollution; Advisory Committee on -. (Meteorological Office Air Ministry). Report on Observations in the year ending March 31st 1926. 86. Atomic number 61 Illinium ; The element of -. J . A. Harris L. F. Yntema and B. S. Hopkins 372. 316. apples. (Legal Notes) 574. pollution in London.412. Atropine Methyl red as indicator for -. Australia Dugong oil from -. 160. Avgotarachon C. Pyriki 198. B Bacillus typhoid ; Action of - on milk. C. Gorini 641. Bacteria in milk ; Anaerobic spore-bearing -. E. A. Bliss 589. lactic acid produced by pure and mixed cultures of - ; Forms of C. S. Pederson W. H. Peterson and E. B. Fred 361. sulphur - as indicators in the investigation of Dolluted water Use of. D. Ellis. 630 xxii INDEX TO VOLUME LI. Bacterial activity in milk ; Stimulation of -. C. Gorini 530. contamination of milk. 245. count of whole milk in relation to that of cream and skim milk separated from it. C. S. Leete 208. flora of eggs ; Effect of dehydration on the -. G. G. De Bord 98. Bacteriological abstracts ; 44 93 153 203 256, 309 357 418 466 527 585 636.Examination of Foods; Methods of -. (Review) W. Gaehtgens 377. Baker’s Itch (Parliamentary Notes) 244. Baking Powder Impurity in -. Bakteriologischen Untersuchungen von Nahrung-smkteln ; Methoden der -. (Review), W. Gaehtgens 377. Balance Analytical - without rider. A. Wirth. 482. Guichard’s hydrostatic compensation -. 596. Banana flour. E. A. Ullan 634. Barbitone group ; Scheduling of veronal and the -. (Dangerous Drugs Act) 218. Barium Chloride Volumetric determination of sulphates by means of potassium stearate and - H. Atkinson 81. Barium Sulphate Influence of citrates on the precipitation of -. M. 1,. Nichols and 0. J. Thies Junr 216. Bases of the diphenyl series ; Gravimetric method for determining the - and a new complex salt of these -.W. Herzog 592. Basic Slag fluorine in - ; Determination of. R. G. Warren C. T. Gimingham and H. J. Page 101. New method of evaluating - and mineral phosphates. E. Vanstone 47. Basicity Revision of words denoting -. 193 195. Baumb hydrometer readings ; Temperature corrections of -. B.D.H. Book of Standards. (Review) 373. Bean velvet - ; Water-soluble vitamin content of. W. D. Salmon and E. R. Miller 260. Beef Effect of short periods of cold storage on mutton and -. plasma ; Concentrations of certain con-stituents in normal -. C. S. Robinson and C. F. Huffman 257. Beeswax Data used in graph for -. A. A. Weir 181 ; M. S. Salamon 293. Beet sugar - ; Power alcohol production from.(Report to Minister of Agriculture), 463. Belladonna root; Alkaloid content of -. J. J . Blackie 202. Benedict method for sugar in blood and cerebro-spinal fluid ; Comparison of the Folin-Wu and the new -. J . D. Lyttle and J. E. Hearn 466. Bmene Derivatives ; Synthesis of -. (Re-view) S. C. Bates 430. Solubility of vitamin B in - R. R. Williams and R. E. Waterman 470. 626. C. F. Snyder 427. W. M. Clifford 303. B d d i n e as a reagent for living plants. C. Rouppert 259. Benzoic Acid Elimination of - as hippuric acid in rabbits. W. H. Griffith 528. Volatility of -. A. F. Lerrigo 405. Benzoylmethylglyoxime as a precipitant for palladium. J. Hanus A. Jilek and J. Lukas 109. Beryllium Reaction of “ alurninon ” with hydroxides of rare earths zirconium, thorium and -.A. R. Middleton 537. Beryllium Oxide Different states of -. H. Copaux and C. Matignon 107. Betel leaves ; Aseptosol A new antiseptic phenol from -. J . McLang 356. Beverages Illicit -. methyl alcohol in alcoholic - ; Detection of. F. R. Georgia and R. Morales 252. Bifluorides Analysis of -. E. C. Roper and E. B. R. Prideaux 370. Biguanide Determination of - . C. D. Garby 533. Bilberries Refractonietric investigation of juice Bio-Assay of drugs. Biochemical abstracts ; 44 93 153 203 255, Biochemistry Lectures on certain aspects J. C. Drummond A. V. Hill H. H, (Review) 431. Biological materials ; Quantitative methods for C. A. Elvehjem tcsting of therapeutic substances. 196. value of the nitrogen of mixtures of patent white flour and animal foods.H. H. Mitchell and G. G. Carman 358. Biology Students of Medicine and - * Practical Physical and Colloid Chemistri for. (Review) L. Michaelis 221. Birmingham City of - Annual Report of the City Analyst for 1925 294. Quarterly Reports Fourth quarter 1925 182 ; First quarter 1926 346; Second quarter 1926, 512. Bismuth detection and determination of - * Sensitive reaction for. A. Girard and E: Fourneau 51 169. in urine ; Determination of small quantities of -. C. A. Hill 97. iron in - ; Determination of small quantities of. 506. Sensitive method for the detection separation and determination of -. A. Girard and E. Fourneau. 51 169. hydrolysis L. Moser and W. Maxymowicz, 161. Bismuthate method for determining manganese.Bitumen Use of - in ancient Egypt 446. Blackberries Refractometric investigation of Blacks and Pitches. (Review) H. M. Langton, R. T. Feliciano 415. Of -. 41. J . C. Munch 42. 309 357 418 466 527 585 636. of -. Dale and L. J . Henderson. determining iron in -. and E. B. Hart 258. Separation and determination of - by Separation of tellurium from -. 369. B. Park 425. juice of -. 41. 168 INDEX TO VOLUME LI. xxiii Bided cotton ; “ Boiling off ” value of -. Angele 476. means of dyes. R. Mellet and A. Bischoff, 100. Blood Acetaldehyde in normal - and its quantitative study in - of normal and diabetic dogs. A. H. Bee and I . L. Chaikoff, 640. acetone bodies in urine and -; Colori-metric method for determining.J. A. Behre and S. R. Benedict 639. analysis ; Colorimetric determination of chol-esterol and lecithin in blood in connection with Folin and Wu’s system of -. G. M. De Toni 639. Argon in -. L. Hackspill A. P. Rollet and M. Nicloux 357. carbon monoxide in air and - ; Pyrotannic acid method for determining. R. R. Sayers and W. P. Yant 99. glutathione in the corpuscles of mammalian -; Presence of. H. F. Holden 95. in urine ; Detection of -. G. Poirot and A. Lambed 642. iron in tissues urine and - ; Determination of. F. S. Fowweather 309. Isolation of a new substance from - and its bearing on present methods for determining uric acid. G. Hunter and B. A. Eagles 95. phosphorus ; Inorganic - in rats fed on normal rachitic and irradiated rachitic diets.R. A. Dutcher M. Creighton and H. A. Rothrock 206. pigment ; Reaction of potassium ferricyanide with the -. 31. Nicloux and J . Roche, 95. stains ; Detection of - . 411. sugar in - and cerebrospinal fluid ; Cbm-parison of the Folin-Wu and the new Benedict method for. J . D. Lyttle and J. E. Hearn 466. sugar in __ and in normal urine; Deter-mination of. 0. Folin 309; s. R. Benedict, 467. Thiasine (new sulphur-containing compound) in the - S. 13. Benedict E. B. Newton and J . A. Behre 257. uric acid in - ; Determination of. H. Brown 357. Blood Sugar values ; Correction of Folin-Wu - . ‘‘ Blowing )) Effect of - on the composition of certain fatty oils. C. H. Thomson 177. G. W. Monier-Williams 402. “Blown )) tins; Freshly ground coffee and - J.W. Black 403. Blubber Oil from the dugong. 150. Body fat of hogs ; Influence of the ration upon the composition of the -. Effect of fat in food upon individual fatty acids in the -. “ Boiling Off ” value of bleached cotton. Angele. 476. writing ; Deciphering chemically - by B. L. Oser and W. G. Karr 258. of canned fruit due to chemical action. N. R. Ellis and H. S. Isbell 524. Boiling Point of petroleum products ; Relation between some other properties and the -. J . B. Hill and S. W. Ferris 105. Bole Arsenious oxide in Armenian -. 413. Bombs Determination of the heating value of coals in monel metal -. J. C. Geniesse and E. J . Soop 110. Bomer’s melting-point method ; Influence of fatty acids on -. F. J . F. Muschter and R.Smid 464. Bone Ash in rats fed on normal rachitic and irradiated rachitic diets. R. A. Dutcher, M. Creighton and H. A. Rothrock 206. Bookbinding leather ; Polluted atmosphere a factor in the deterioration of -. F. P. Veitch R . W. Frey and L. R. Leinbach, 373. Books Care and custody of -. F. W. Clifford, 597. Borax titration of - ; Use of glucose s p p in the. I-. S. Weatherby and H. H. Chesny, 538. Boric Acid determinations ; Invert sugar as a reagent for -. J. A. &I. Van Liempt, 293; G . van B. Gilmour 404. Dissociation constants of various acids in presence of -. J . Roeseken and J . Coops 423. in potted meat. in sausages ; Label an insufficient declaration. (Legal Notes) 408. Borneo1 in spruce turpentine. A. S. Wheeler and C.R. Harris 49. Boron alloys ; Analysis of -. N. Tcshis-chewski 424. Bread age of - ; Determination of. J. P Peper 251. total solids of - ; Determination of. R. Hertwig and L. H. Bailey 38. Brom-cresol Purple Test for detecting alkaline milk. I. F. Proctor and A. T. R. Mattick, 197. Bromides of linseed and some other drying oils ; Further notes on the crystalline -. H. Toms 387. Bromophenol Blue as indicator for alkaloidal titrations. 316. Bronze used in ancient Egypt. Brown Heart in apples in cold storage. Brucine Methyl red as indicator for -. 316. Buffer mixture for the alkaline range of hydrogen ion concentration determinations. W. R. G . Atkins and C. F. A. Pantin 317. solutions ; Methyl orange error in the deter-mination of P values by comparison with Clark’s -.I . M. Kolthoff 423. Buffers glucose in presence of phosphate - ; Determination of. Building Works Rubber and its uses in -. (Review) H. P. Stevens 434. Burrell methane indicator ; Detection of petro-leum vapour with the -. G. W. Jones and W. P. Yant 104. (Legal Notes) 299. 439. 85. M. B. Visscher 621 xxiv INDEX TO VOLUME LI. Byper Cacy -. See Cacao Butter. cooking - in Trinidad. 462. Excess water in - . A legal defence. (Legal Notes) 574. Excess water in - and a label warranty. (Legal Notes) 348. Excess water in - . Case dismissed on legal grounds. (Legal Notes) 629. fat in margarine; Determination of palm kernel oil and -. G. D. Elsdon and P. Smith 72. fat in milk ; Relationship between casein and - .609. fat in milk ; Relationship between non-fatty solids and -. 611. fat in milk ; Relationship between yield solids not-fat total solids and -. samples; Preparation of - for analysis. L. C. Mitchell and S. Alfend 40. Shea - R. Ehrenstein 40. Bntyric Acid Value Determination of milk fat by means of the -. 608. J. Grossfeld 416. C Cacao butter; Examination of - for alkali and alkaline earth. J. Prescher and R. Claus 199. butter ; Thiocyanogen absorption of -. 264. Cade Oil. R. Huerre 417. Polarimetric examination of -. R. Massy, 466. Cadmium in presence of copper ; Detection of -. R. Meurice 367; G. M. Karns 646. Caesium Analytical chemistry of rubidium and -. Caffeine-free and natural cofkees. J . Pritzker and R. Jungkunz 355.E. Perrot and A. Rouhier 465. Cake oil- ; Refractometric determination of fat in oil seeds and -. Calcium Determination of - by conversion of the oxalate into the carbonate. 13. W. Foote and W. M. Bradley 269. in tissues faeces and milk ; Determination of -. K. C. Corley and W. Denis 208. Calcium Carbide method for determining moisture; Gasometric -. Calcium Carbonate Determination of calcium by conversion of the oxalate into -. H. W. Foote and TV. M. Bradley 269. Calcium Lactate tablets ; Examination of -. 184. Calcium Oxalate Determination of calcium by conversion of the - into the carbonate. H. W. Foote and W. M. Bradley 269. Calcium Pectate method for determining pectin ; Modification of -. A. R I . Emmett and M. H. Carre 307. Calibration of collodion membranes ; Investi-gations into the standardisation and -.I. C. Lundsgaard and S. A. Holbil 428. W. Strecker and F. 0. Diaz 162. Yocco a new drug containing -. H. Zander 592. W. A. Jakowenko 106. of the kata thermometer. 191. Canada Report of the Dominion Chemist for the year ending March 31st 1925. Canadian sprayed apples ; Examination of -for arsenic. Candlenut Oil Crystalline bromides of -. 389. Canned foods ; Chlorinated drinking water and its use in the preparation of -. H. Serger 362. foods; Vitamins in -. IV. Green Peas. W. H. Eddy E. F. Kohman and V. Carlsson, 207. fruit ; " Blowing " of - due to chemical action. G. W. Monier-Williams 402. tomatoes ; Adulteration and misbranding of - United States v. A.J. Lewis. (Legal Notes) 34. peaches ; Vitamins in -. E. F. Kohman, W. H. Eddy V. Carlsson and N. Halliday, 260. Capillarity measurements ; Application of -to fatty acid mixtures. R. Dubrisay 111. Capillary Chemistry ; Colloid and -. (Ke-view) H. Freundlich 598. Carbohydrate metabolism in health and disease. H. MacLean 429. Carbolic Acid lysol " free from - ; '' Sale of. (Legal Notes) 571. Carbon Assimilation of - by green plants. Photosynthesis. (Review) W. Stiles 326. in organic compounds ; New micro method for determining -. Carbon Dioxide in carbonates ; New and simple method for determining -. J. R. I. Hepburn 622. limits in respiratory air ; Oxygen and -. A. Griigli 256. Carbon Disulphide in gas (small volumes) ; Determination of traces of -.W. J. Huff 156. Reagent for oil extracted by - and identi-fication of olive oil extracted by solvents. S. Fachini 636. Sensitive reaction for -. P. Saccardi 636. cuprous chloride solution. L. Moser and F. Hanikd 266. in blood and air ; Pyrotannic acid method for determining -. K. R. Sayers and W. P. Yant 99. Carbon Tetrachloride as a reagent for phenols ; Use of -. G. E. Trease and H. Tingey, 534. 619. F. T. Shutt 291. H. L. Lochte 364. Carbon Monoxide Absorption of - by poisoning. L. A . Dingley. 419. Toxicity of -. M. Khalil 260. Carbonates carbon dioxide in - ; New and simple method of determining. J . R. I. Hepburn 622. Carbonyl Group in organic compounds ; Accurate general iodimetric method for determining the -. E.G. R. Ardagh and J. G. Williams 102. Cardamoms Colour of compound tincture of - . R. R. Bennett and G. Middleton 525 INDEX TO VOLUME LI. xxv Catsgin in milk ; Relation between butter fat in milk ; Relation between lactation period Iron in - determined by the ferro-cyanide F. 0. Rice and -. 609. and -. 610. method. 511. 539. Catalytic activity of dust particles. Cstawba grape juice. Cattle flesh of emaciated - ; Chemical study of. Ceanothus Americanus Alkaloids of -. A. H. Clark 355. Cellulose compounds ; Adsorbing properties of - . M. J . Duclaux 481. Effect of - on arsenic determinations. T. J. Ward 457. Ester Varnishes. (Review) F. Sproxton 166. Cement Portland - ; Determination of uncombined lime in. W. Larch and R. H. Bogue 480.silica in - mortar and concrete ; Deter-mination of soluble. D. Florentin 480. Centrifuging in volumetric analysis. R. F. Le Guyon 536. Cephaeline Methyl red as indicator for -. 316. Cerbera Odallum poisoning. 410. Cereal products ; Possibilities and limitations of chloropicrin as a fumigant for -. R. X. Chapman 262. Cerebrospinal Fluid sugar in blood and - ; Comparison of the Folin-Wu and the new Benedict method for. J . D. Lyttle and J. E. Hearn 466. Cerium in alloy steel ; Determination of -. K. Swoboda and R. Horny 215. Chalk French -. 182. Chamomile (mayweed) and a taint in milk. F. Procter 527. Charcoals absorptive powers of -; Deter-mination of. Surun 481. -. H. G. Tanner 50. Chaulmoogra Group Oils of the -. Chaulmoogric Acid Oxidation of - by per-manganate.G. A. Perkins 465. Chemical analysis ; Errors of judgment in -. J. F. Tocher 338. constitution of certain local anaesthetics ; Relationship between hydrogen ion con-centration and -. E. B. Vliet and R. Adams 527. nomenclature ; Revision of inorganic -. M. DelCpine 192 194. reactions and volumetric titrations in Wood’s light. Services and Life of Frederick Accum. (Re-view) C. A. Browne 276. Synonyms and Trade Names. (Review) W. Gardner 654. Chemicals Arsenic in - determined by the electrolytic method. N. Evers 526. from the sea; Industrial - . G. M. Dyson 597. See Applied Chemis-B. G. Hartmann 151. R. Hoagland and W. C. Powick 249. Identification of ‘‘ Norit ” and other wood 90. R. Mellet and M. A. Bischoff 480.Chemistry Applied -. e. Chemistr y-c o n ti y1 ue d . Colloid - . See Colloid Chemistry. Dairy -. See Dairy Chemistry. in Industry. Industrial -. (Review) A. Rogers 601. Inorganic -. See Inorganic Chemistry. International critical tables of numerical data Manual of -. (Review) A. P. Luff and of the Ancient Assyrians. (Review) H. of Wheat Flour. The -. (Review) C. H. Organic -. See Organic Chemistry. Physical -. See Physical Chemistry. Physiological. See Physiological Chemislxy. Surface -. Theoretical - ; A Comprehensive Treatise in Inorganic and. Vol. VI. (Review), J . W. Mellor 113. Three centuries of - . Phases in the growth of a Science. (Review) I. Masson, 325. E. F. Smith 319. (Review) H. E. Howe 489. of -. (Review) 482.H. C. H. Candy 166. Campbell Thompson 112. Bailey 114. (Review) E. K. Rideal 598. Chemists Forgotten -. Chenopodium Oil ascaridole in - ; Deter-mination of. H. Paget 170. Cherries liefractometric investigation of juice of agriot -. 41. Chicken and ham roll. (Legal Notes) 514. Chinese wood (tung) oil ; A test for -. E. R. Bolton and K. A. Williams 335. wood (tung) oil ; Thiocyanogen absorption method of determining the composition of -. H. P. Kaufmann 473. Chlorates Determination of perchlorates and -. K. Scharrer 370. Chloride in commercial cyanides ; Determina-tion of - A. Bock 425. Chlorinated drinking water and its use in the preparation of canned foods. H. Serger 362. free -. L. E. Porter 476. Year-Book. (Review) F. W. Atack 322.in air ; Colorimetric method for determining in bleached flour. A. Seidenberg 150. Water sterilisation by gaseous -. (Review), Chloroform Acetone in -. 22. alcohol and ethyl chloride in -; Deter-mination of. C. Newcomb 19. Ethyl carbonate in -. 23. Chloropicrin as a fumigant for cereal products ; Possibilities and limitations of -. R. N. Chapman 262. Cholesterol Absorption bands of -. Spect-roscopic observations on cod liver oil. 11. -. F. W. Schlutz and M. R. Ziegler, 586. Antirachitic value of irradiated - . 11. Separation into an active and inactive fraction. A. I?. Hess M. Weinstock and E. Sherman 638. Identification and determination of - and certain other compounds. (Identification of hydrogenated oils.) J. V. Steinle and L. Kahlenberg 310.545 xxvi INDEX TO VOLUME LI. C holesterol-con t znued . in blood ; Colorimetric determination of lecithin and - in connection with Folin and Wu’s system of blood analysis. G. M. De Toni 639. Polymerisation of -. (Antirachitic sub-stances. IV.) C. E. Bills and F. G. McDonald 469. (lholine and nicotinic acid. (Simpler constitu-ents of yeast.) H. B. Vickery 468. Chromium Volumetric determination of -. B. Reinitzer and P. Conrath 367. Cinchonidine Bromocresol purple as indicator for -. 316. Cinchonbe Bromocresol purple as indicator for -. 316. atrate in mixtures ; Test to show the absence of tartrate or -. Citrates Influence of - on the precipitation of barium sulphate. M. L. Nichols and 0. J . Thies Junr. 216. Citric Acid in tobacco ; Determination of malic acid and -.Clark’s Buffer Solutions Methyl orange error in the determination of P volues by com-parison with -. Clay soils ; Determination of nitrogen in heavy -. D. V. Bal 101. used in ancient Egypt. 441. Cleaning Fluid Liability for damage by a secret - . (Legal Notes) 185. Cloth Glycerin in yarn or -. glycerol in cotton - and sized yams; Detection and determination of. G. Smith, 265. Clothing Influence of - on the rate of cooling of the human body 191. Cloves moisture in - ; Determination of. P. May 253. Coals Heating value of - determined in monel metal bombs. J . C. Geniesse and E. J. Soop 110. Cobalt ion; Action of concentrated hydro-bromic and hydriodic acids on the -. New reaction for nickel.G. Denigks 478. Cobalt Aluminate test for aluminium ; Improve-ment of the -. C. Otto 478. Cobalt Chloride as indicator for water. 412. Cobaltinitrite method of determining potassium, Cocaine Methyl red as indicator for - 316. Coconut Oil Thiocyanogen absorption of -. Cockles Arsenic in -. 552. Cod Liver Oil accessory food factor content of - ; Effect of high temperatures on the. H. W. Southgate 94. Effect of storage on the antirachitic factor of - when mixed with ground grains, E. B. Hart H. Steenbock and S. Lepkovsky, 94. Influence of feeding with - on the deposi-tion of lime compounds in the shell of hens’ J . B. Peterson 49. H. Rundshagen 645. I. M. Kolthoff 423. 646. water in ~ ; Determination of. 152. 451. 264. Lead in -. 564.Cod Liver Oil-contiinred. Spectroscopic observations on - 11. Absorption bands of cholesterol. F. W. Schlutz and M. R. Ziegler 686. vitamin potency of cold-pressed - ; Effect of. Codeine Methyl red as indicator for -. 316. Coffee Freshly-ground - and “ blown ” tins. T. U . Shaw and R. C. Frederick 308; J . W. Black 403. Pritzker and R. Jungkunz 355. Cold Storage and food preservatives. (Parlia-mentary Notes) 189. Effect of short periods of - on beef and mutton. W. M. Clifford 303. Functional diseases of apples in -. (Food Investigation Board Report No. 23) 86. Collodion membranes ; Investigation into the standardisation and calibration of -. I. C. Lundsgaard and S. A. Holbil 428. Colloid Chemistry Capillary and -. (Review) H. Freundlich 598.Laboratory Manual of Elementary -. (Review) E. Hatschek 112. Practical Physical and - for Students of Medicine and Biology. (Review) L. Mich-aeles 221. Colloidal complications in the thiocyanate method of determining soil acidity. F. 0. Anderegg and R. P. Lutz 48. Colloides Introduction A 1’Etude des -. (Etat colloidal et ses applications). (Review)‘ W. Kopaczewski 323. Colloids Introduction to the study of -. (Review) W. Kopaczewski 323. Physics and Chemistry of - An Intro-duction to the. (Review) E. Hatschek, 112. A. D. Holmes and M. G. Pigott 207. Coffees Natural and caffeine-free - * J* Calorimeter Eastman universal -. 540. Sliding-gauge - and determination of small amounts of ammonia nitrites lead and iron. A. L. Bernoulli 649.Colorimetric scales for measuring P values ; Stable -. P. Brubre 424. Colour in whiskey; Rapid determination of alcohol in distilled spirits and of -. J. F. Williams 583. Colouring Matters in wines ; Behaviour of gelatin .towards -. A. Kickton and F. Mayer 353. Combustion apparatus for detecting and measur-ing small quantities of petrol vapour ; Portable - . C. A. Neusbaum P. L. De Verter and E. W. Dean 211. Compounds Inorganic - . See Inorganic Compounds. Organic -. See Organic Compounds. revised nomenclature for complex - and water in -. 193 195. Concentration of liquid soaps ; Determination of the - by the immersion refractometer. L. F. Hoyt and A. Venviebe 427. Concrete silica in - cement and mortar ; Determination of soluble. D. Florentin.eggs. 520. 480 INDEX TO VOLUME LI. xxvii Condensed Milk Hegulations; Case under the -. (Legal Notes) 459. sucrose in sweetened - ; Polarimetric determination of. P. Honegger 496. Conifers1 reaction of resins. F. Reinitzer 644. Connecticut Agricultural Experiment Station : Report on Food Products and Drug Products for 1924 87. Constant for oils and fats; The thiocyanogen value- a new -. H. P. Kaufmann 157. Constants Dissociation - of various acids in the presence of boric acid. J. Boeseken and J . Coops 423. Containers glazed earthenware - ; Use of. C. J. Stock 82. Continuous percolation ; An apparatus for -and for filtration in neutral atmospheres. B. S. Evans 229. Cooking Vessel metals ; Solubility of - and determination of the dissolved metals.K. K. JWinen 43. Cooling of the human body; Influence of temperature air velocity and clothing on -. 191. Copper cadmium in presence of - ; Detec-tion of. R. Meurice 367; G. M. Karns, 646. Gravimetric determination of - as cuprous iodide. I. M. Kolthoff and H. A. Kuylmann, 367 424. in foodstuffs ; Determination of -. L. H. Lampitt E. B. Hughes P. Bilham and C. H. F. Fuller 327. in uranium ores ; Volumetric determination of uranium vanadium iron and -. A. S. Russell 268. Qualitative reaction for -. G. Denigks 536. Separation of tellurium from -. 369. solution ; Standard alkaline - (Fehling reagent.) M. G. Pegurier 91. used in ancient Egypt 439. Corn (Maize) Relation of protein content to specific gravity 519. starch (Maize) ; Unsaturated fatty acids associated with -.T. C. Taylor and L. Lehrman 464. starch ; Occurrence of gentiobiose in the pro-ducts of the commercial hydrolysis of -H. Berlin 635. Cornflour Sweet potato starch in arrowroot and -. J . R. Stubbs 400. Corpuscles of mammalian blood ; Presence of glutathione in the -. H. F. Holden 95. Correlation of variables ; Methods of measuring - . 608. Corrosive Sublimate Solubility of - in ether. F. Richard 636. Cosmetic from Tutankhamen tomb. 448. Cosmetics Perfumes - and Soaps with especial reference to Synthetics. (Review), W. A. Poucher 275. Cotarnine Bromocresol purple as indicator for Cotarnin!' Hydrochloride D. B. Dott 92. Cotton Boiling off value of bleached -. -. 316. Angele 476. Cotton-corhnued.cloth ; Detection and determination of G. Smith, Differentiation of kapok and - . A. hairs ; Microscopical examination of -. materials ; Determination of deliquescent mercerised - ; Test for. H. Mennell 422. Cottonseed Oil Changes in - on blowing. 177. solutions ; Refractometric determination of alcohols and esters in aqueous and -. J. C. Munch 314. Conmarin content of sweet clover; Nutri-tive value and -. 519. Cow " appeal to the - " cases ; Composition of milk in. COWS tuberculous ; Effect of Pasteurisation on the infectivity of the milk of -. R. G. White 156. glycerol in sized yarns and -, 265. Lejeune 265. T. B. Bright 593. substances in sized -. S. M. Neale 646. J. F. Liverseege 295. Crabs Arsenic in -. 554. Lead and copper in -Cranberries RefractomeGic investigation of juice of -.41. Crawfish Arsenic in -. 555. Cream Rate of rising of -. 564. 406. Relation between bacterial count of whole milk and that of - and skim milk separated from it. Creatine Fate of - when administered to man. A. Chanutin 256. Identification of -. R. J. Williams and P. A. Lasselle 198. Critical tables ; InternationalNf numerical, date of physics chemistry and technology (Review) 482. temperature of solution for the analysis of petroleum spirit ; Extension of the method of -. Crucibles Jena sintered glass -. G. D. Elsdon 30. Crustaceans arsenic compounds in marine -and shell fish ; On the presence of. A. C. Chapman 548. lead and other metallic impurities in marine - and shell fish ; On the presence of.A. C. Chapman and H. Linden 563. Crypfostigia Grandiflora poisoning. 410. Crystalline bromides of linseed and some other drying oils ; Further notes on the -. H. Toms 387. salts of abietic acid. G. Dupont L. Desalbres and A. Bernette 365. Crystallisation of the enzyme urease ; Isolation and -. Crystals Growth of -. Cultures of bacteria; Forms of lactic acid produced by pure and mixed -. C. S. Pederson W. H. Peterson and E. B. Fred, 361. Cuprous Chloride hydrazine sulphate for pre-paring ammoniacal - ; Use of. E. Cattelain 423. C. S. Leete 208. M. Aubert and E. AubrBe 269. J. B. Sumner 587 637. C. H. Desch 319 xxviii INDEX TO VOLUME LI. Cuprous Chloridecontinued solution ; Absorption of carbon monoxide by -.Cnprons Iodide Gravimetric determination of copper as -. I. M. Kolthoff and H. A. Kuylman 367 424. Curing of meats ; Use of sodium nitrite in -. W. L. Lewis R. S. Vose and C. D. Lowry, 90. Currants Refractometric investigation of juice of -. 41. Curing of meats ; Use of sodium nitrite in -W. L. Lewis R. S. Vose and C. D. Lowry, 1926. 90. Cuttlefish Oil (Todarzts Sagittatus Lk.) E. AndrC and H. Canal 473. Cyanides chloride in commercial - ; Deter-mination of. A. Bock 425. Cyanmethaemoglobin and the determination of methaemoglobin. Balthazard and M. Philippe 466. Cyclopaedia of Perfumery; Parry’s -. (Review) E. J. Parry 117. Cystine Feeding experiments as means of determining -. H. C. Sherman and E. Woods 154. in proteins ; Colorimetric determination of tyrosine tryptophane and -.11. J. M. Looney 588. in urine ; Determination of - . H. B. Lewis and R. H. Wilson 589. L. Moser and F. Hanika 266. D Dahlia tubers ; Analysis of - and prepara-tion of laevulose. R. F. Jackson C. G. Silsbee and M. J . Proffitt 304. Dairy chemistry ; Tests on volumetric glassware used in -. (National Physical Labora-tory Report) 249. Dangerous Drugs Act. Drugs Act 1920 ; Scheduling of veronal and the barbitone group. 248. Datura in decomposed viscera ; Applicability of the mydriatic test to the detection of -. D. N. Chatterji 344. Daylight artificial - shades ; Dyes for. 597. Deciphering chemically bleached writing by means of dyes. R. Mellet and A. Bischoff, 100. Dehydration Effect of - on the bacterial flora of eggs.Delcosine Bromophenol blue as indicator for - . 316. Deliquescent substances in sized cotton materials; Determination of -. Delphinus Delphis Lin. Head oils of the dolphin (-). H. Marcelet 473. Dermatitis due to the external use of methylated spirit. P. B. Mumford 47. Deville and Stas method of separating iridium from iron. 392. Dextrin in artificial diets; Use of commercial - . W. Willcox 319. G. G. De Bord 98. S. M. Neale 645. L. Randoin and R. Lecocq 638. Diabetic dogs ; Quantitative study of acetalde-hyde in blood of normal and -. A. H. Bee and I. L. Chaikoff 640. U. S. Food Inspection Decision No. 199. 580. Diacetyl Morphine Methyl red as indicator for Diallylbarbituric Acid Action of salts of mercury on -.P. Fleury 92. Diazobation Nitrogen tetroxide as a reagent for -. B. Houston and T. B. Johnson, 102. Dictionary of Applied Chemistry. Vol. VI. S-Acid to Tetryl. (Review) E. Thorpe 374 Dietetic food ; Yogurt as a medicine and -. T. Stathopoulo 414. Diets artificial- ; Use of commercial dextrin in -. L. Randoin and R. Lecocq 638. rachitic irradiated rachitic and normal - ; Inorganic blood phosphorus and bone ash in rats fed on. R. A. Dutcher M. Creighton and H. A. Rothrock 206. Digitalis Suggested standard for -. Dihydroxyacetone test for detecting glycerin in tobacco. 385. 2:4 Dinitrophenylhydrazine as a reagent for aldehydes and ketones ; Use of -. 0. L. Brady and G. V. Elsmie 77. 2:4 Dinitrophenylhydrazones Preparation of Diphenyl series ; Gravimetric method for deter-mining the bases of the - and a new complex salt of these bases.W. Herzog, 592. Diphenylamine as internal indicator for iron. F. J . Dyer and W. B. Forbes 536. Disinfectants Relative effectiveness of -. H. Luers and F. Weinfurtner 259. Dissociation Constants of various acids in presence of boric acid. J . Bdeseken and J . Coops 423. Distillates titration of Kjeldahl - ; Use of the potassium iodide and iodate method for -. H. F. Wilson and F. Mattingley 669. Distillation Industrial - . Principles and Practice of. (Review). E. Hausbrand 58. test for heavy petroleum oils ; Vacuum -. A. G. Peterkin and S. W. Ferris 104. Wood - ; Technology of. (Review) M. Klar 59. Distilled spirits ; Rapid determination of alcohol in - and of colour in whiskey.J . F. Williams 583. Disulphides Colour reaction for - . E. Walker 317. Dogs acetaldehyde in blood of normal and diabetic - * Quantitative study of. A. H. Bee and ’I. L. Chaikoff 640. Dolphin Head oils of the - (Delphinus Delphis Lin.) H. Marcelet 473. Drinking Water See Water. Drug containing caffeine ; Yocco a new -. E. Perrot and A. Rouhier 465. products ; Report of Connecticut Agricultural Experiment Station on Food Products and - for 1924. 87. food. -. 316. 196. -. 78 INDEX TO VOLUME LI. xsix Drug-contintled. tablets ; Examination of -. J. F. Liver-Drugs Bio-assay of -. J C. Munch 42. Chemlstry of - (Review) N. Evers 272. Dangerous - Act. See Dangerous Drugs Act. Drying Oils ; Chemistry of -.(Review), R. S. Morrell 432. oils ; Further notes on the crystalline bromides of linseed and some other -. H. Toms, 387. 553. seege 182. Dublin Bay Prawns Arsenic in -. Dugong Oil from Australia. 150. Durham Report of Public Analyst for -. (Use of glazed earthernware containers.) C. J . Stock 82. Dust atmospheric - ; Comparative tests of instruments for determining. (U.S.A. Public Health Bulletin No. 144) 36. counter; Aitken’s -. 4. counter; Owens’ jet -. 13. Electrical precipitation as a means of measur-ing suspended -. 4. particles ; Catalytic activity of -. F. 0. Rice 539. Dvi-Manganese Discovery of eka- and -. J. G. F. Druce 482. Dyes Deciphering chemically bleached writing by means of -. R. Mellet and A. Bischoff 100.fastness of - ; Standardisation methods for testing. A. Crummett 649. for artificial daylight shades 597. towards iodine and -. K. Venkataraman 351. 597. son 219. Dyestuffs Behaviour of different starches J . Hubner and industry ; Growth of the -. R. E. Rose, Intermediates for -. (Review) A. David-E Earth acids ; Precipitation of - by sodium compounds. (Investigations into the analy-tical chemistry of tantalum niobium and their mineral associates. VI.) W. R. Schoeller and C. Jahn 613. -4lkalin -. See Alkaline Erfrth. from salt licks ” ; Examination of -. 411. Earthenware containers ; Use of glazed -. C. J. Stock 82. Eastman universal colorimeter. 540. Effluents dissolved oxygen in - * Deter-mination of. E. R. Trotman 36i. organic nitrogen in sewage - etc.; Modifi-cation of Kjeldahl method for determining. J. W. H. Johnson 405. oxygen absorbed and albuminoid ammonia d sewages and -; Method for the com-bined determination of. J. W. H. John-son 346. Egg custard. (Legal Notes) 188. powder. (Legal Notes) 299. shells ; Influence of feeding with cod liver oil on the deposition of lime compounds in . 520. Eggs bacterial flora of - ; Effect of dehydra-tion on the. Effect of low temperatures on hens’ -. T. Moran 39. fat-soluble vitamin content of - preserved by different methods ; Variations in. I. A. Manville 359. Fresh and preserved -. G. Filandeau 197. imported ; Sale of - as new-laid -. (Legal Notes) 298. in cold storage ; Preservation of -. 143. new laid - ; Sale of imported - as.(Legal Notes) 298. Not of the nature substance and quality. (Legal Notes) 141. Relation between amount of ultra-violet light received by hens and amount of antirachitic vitamin in - produced. J. S. Hughes, L. F. Payne R. W. Titus and J . M. Moore, 207. Storage of -. (Food Investigation Board Report No. 26) 247. unsaponifiable matter in - wheat flour and alimentary pastes ; Determination of. R. Hertwig and L. H. Bailey 306, Unsound -. A Magistrate’s powers. (Legal Notes) 572. vitamin contents of - Effect of chemical -G. G. De Bord 98. preservation upon the stability of the. E. Tso. 312. Egypt albumin in ancient - ; Sources of. H. S. Shrewsbury 624. Egyptian materials ; Problems in connection with ancient -. A. Lucas 435.Eka-Manganese Discovery of dvi- and -. J . G. F. Druce 482. Elseostearin Thiocyanogen absorption of -265. Electrical precipitation as a means of measuring suspended dust. 4. Electrolytic method of determining arsenic in chemicals. N. Evers 526. method of determining copper in foodstuffs, following quinosol separation. 332. method of investigating the circulation of gold in the animal organism. S. Lomholt 97. separation of metals ; Method for -. D. J . Brown 267. separations by graded potentials. A. Lassieur, 597. Electrometric determination of tellurium. W. T. Schrenk and B. L. Browning 162. determination of the acidity of writing inks. H. A. Bromley and A. de Waele 667. method for determining the P value of gastric contents ; Comparison of the colorimetric and -.G. Kahn and J . Stokes Junr. 528. titration ; New type of end-point in - and its application to iodimetry. C. W. Foulk and A. T. Bawden. 539 sxx INDEX TO VOLUME LI. Emehe Methyl red as indicator for -. 316. Fad-Point New type of - in electrometric titration and its application to iodimetry. C. W. Foulk and A. T. Bawden 539. Energy Values of feeding stuffs Computation of the net -. M. Kriss 156. Engineering prob!ems in refrigeration. 144. Enzyme urease ; Isolation and crystallisation of -. J . B. Sumner 587. Enzymic hydrolysis of rhamnicoside ; Prim-everose and rhamnicogenol the products of -. Ergot Biological testing of -. Erucic Acid Direct identification of rapeseed oil by isolation of -. A. TT:. Thomas and M.Mattikow 316. Escallops Arsenic in -. 551. Essential Oil in spice ; Determination of the -. C. Griebel 584. of mustard in mustard flour ; Determination of -. L. Colombier 308. Ester Cellulose - Varnishes. (Review) F. Sproxton 166. Esters in aqueous and cottonseed oil solutions ; Refractometric determination of alcohols and -. Ether aldehyde in - ; Determination of. E. P. Phelps.and A. W. Rowe 308. H. B. Dixon 154. F. Richard 636. M. Budel and C. Charaux 41. 196. J . C. Munch 314. Ignition of - at low temperatures. Solubility of corrosive sublimate in -. Ethyl Carbonate in chloroform. 24. Ethyl Chloride in chloroform ; Determination Ethyl Hexabromostearate Preparation of -Ethyl Hydrocupreine Rroniocresol purple as Ethyl Morphine Methyl red as indicator for Evaporated Milk See Milk.Exposed €or Sale Meaning of the words ‘ I - . ’ ’ (Legal Notes) 348. Extract meat- ; Determination of moisture in - . Extraction of liquid fatty acids of linseed oil ; Fractional -. G. Agde 364. of alcohol and -from linseed oil. 388. indicator for -. 316. C. Newcomb 19. -. 316. C. Dedlow and D. T. Smith 521. F Fabrics Textile - of ancient Egypt. 446. Faeces calcium in - tissues and milk; Determination of. R. G. Corley and W. Denis 208. Faience used in ancient Egypt. Falling Drop method for determining specific gravity. H. G. Barbour and W. F. Hamil-ton 596. Fastness of dyes ; Standardisation of methods for testing the -. Fat in food ; Effect of - upon individual fatty acids in the body -.N. R. Ellis and H. S. Isbell 524. 436. A. Crummett 649. Fat-cont inued. in oil seeds and oil cake ; Refractometric determination of -. H. Zander 592. in the pig on a ration moderately low in - * Formation of. N. R. Ellis and 0. G: Hankins 1.53. milk -; New distinguishing value for. J . Kuhlmann and J. Grossfeld 305. of hogs; Influence of the ration upon the composition of the body -. N. R. Ellis and 1-1. S. Isbell 524. rancid -; Inactivation of vitamin A by. W. C. Powick 259. Fat-Soluble Vitamin See Vitamin. Fatal Dose of strychnine; Proof of -. V. Fats Chemistry of oils and -. Fats decomposition of oils and - ; Evidence Deterioration of oils and - and its detection Thiocyanogen absorption of oils and -. Thiocyanogen value-a new constant for oils used in ancient Egypt.442 447 448. Fatty Acid mixtures ; Application of capillarity measurements to -. R. Dubrisay 111. Fatty Acids in the body fat of hogs ; Effect of fat in food upon individual -. N. R. Ellis and H. S. Isbell 524. Influence of - on Bomer’s melting-point method. F. J. F. Muschter and R. Smid, 464. of linseed oil ; Fractional extraction of liquid - G. Agde 364. of shark liver oil. M. Tsujimoto 49. Unsaturated - associated with corn (maize) starch. T. C. Taylor and L. Lehr-man 464. Mount 531. 143. of. J . Stamm 416. J. Pritzker and R. Jungkunz 635. H. P. Kaufmann 264. and -. H. P. Kaufmann 157. Fatty Oils See Oils fatty. Feeding experiments ; Determination of cystine by means of -. H.C. Sherman and E. Woods 154. with cod liver oil ; Influence of - on the deposition of lime compounds in the shell of hens’ eggs 520. Feeding Stuffs energy values of - ; Compu-tation of the net. M. Kriss 156. Fehling’s Solution Determination of reducing sugars by means of -. 13. L. Hind 352. Standard alkaline copper solution (-). M. G. Pegurier 91. Fermentation of dried tobacco ; Researches on -. I. Methods for separating nicotine and ammonia. A. Fodor and A. Reifen-berg 98. vinegar; Detection of tannin in -. G. Reif 41. with specific micro-organisms ; Effect of - on the vitamin C content of orange and tomato juice. S. Lepkovsky and E. B. Hart 155. Ferric Iron Colorimetric determination of -by means of pyramidon. H. W. van Urk, 594 INDEX TO VOLUME LI.xxxi Ferrocyanide method of determining copper in foodstuffs 328. method of determining iron colorimetrically. W. R. Mummery 511. Fibres kemp-; Examination of - . H. Bliss J . Duerden J. F. Roberts J . Blyth, H. Hirst and A. T. King 475. Filtration in neutral atmospheres ; Apparatus for continuous percolation and -. B. S. Evans 229. Firedamp Ignition of -. (Safety in Mines Research Board Report No. 8) H. F. Coward and R. V. Wheeler 302. inflammability of air and - ; Limits of. (Safety in Mines Research Board Report No. 15) M. J . Burgess and 13. V. Wheeler, 302. L. iMeunier and A. Bonnet 54. 549. formaldehyde in - * Examination for. A. R. Tankard and D. J . T. Bagnall 565. Handling and transport of -. E. Griffiths and C.Heron (Food Investigation Board Report No. 25) 350. Preservation of - . 143. Fish Pastes Starch in -. Flask for recovering volatile liquids. Flax wax. W. Honneyman 535. Flesh of emaciated cattle ; Chemical study of -. R. Hoagland and W. C. Powick, 249. Flies Effectiveness of aliphatic compounds in attracting -. W. C. Cook 314. Flint implements in ancient Egypt. 436 447, 448. Flour Biological value of the nitrogen of mixtures of patent white - and animal foods. H. H. Mitchell and G. G. Carman, 358. Chlorine in bleached -. A. Seidenberg, 150. Effects of fine grinding upon -. C. L. Alsberg and E. P. Griffing 199. Gluten - self-raising. (U.S. Food Inspec-tion Decision KO. 199) 580. mustard - ; Determination of essential oil of mustard in.Plantain (banana) -. self-raising Rapid sorting test for small A. F. unsaponifiable matter in wheat - aliment-Determination of. Wheat- ; The Chemistry of -. (Review), Fisetin Fluorescence of -. Fish Arsenic in -. 671. M. Nier-enstein 569. L. Colombier 308. E. A. UllBn 634. quantities of tartaric acid in -. Lerrigo 180. ary pastes and eggs ; R. Hertwig and L. H. Bailey 306. C. H. Bailey 114. Flowers of Sulphur (Legal Notes) 239. Flowmeter Use of methyl salicylate in a -. Fluorescence of acetone extracts of tanning L. Meunier and A. Jamet 481. R. H. K. Foster 216. materials. of fisetin. reaction of malic acid. L. Meunier and A. Bonnet 54. S. A. Celsi 592. Fluorides and fluosilicates as scheduled poisons. 313. Fluorine Determination of -.F. G. Hawley, 426. in basig slag ; Determination of -. R. G. Warren C. T. Gimingham and H. J. Page, 101. Fluosilicates and fluorides as scheduled poisons. 313. Foam meter ; A -. H. E. Williams 318. Folin-Wu blood sugar values ; Correction of -. B. L. Oser and W. G. Karr 268. method for sugar in blood and cerebro-spinal fluid Comparison of the new Benedict and -. J . D. Lyttle and J . E. Hearn, 466. method of blood analysis ; Colorimetric deter-mination of cholesterol and lecithin in blood in connection with -. G. ILI. De Toni, 639. (Legal Notes) 630. dietetic- ; Yogurt as a medicine and -. T. Stathopoulo 414. factor content of cod liver oil ; Effect of high temperatures on the accessory -. H. 141. Southgate 94.Inspection Decisions of U.S. Dept. of Agri-culture. See United States. of hogs ; Effect of fat in - upon individual fatty acids in the body fat. N. R . Ellis and H. S. Isbell 524. preservatives ; Cold storage and -. (Par-liamentary Notes) 189. Preservatives in -. Public Health Regu-lations. Draft Rules and Orders. 578. Preservatives Regulations ; Postponement of -. preservatives; Some aspects of the new regulations on -. products ; Report of Connecticut Agricultural Experiment Station on Drug products and -for 1924. 87. products ; Separation of formic acid in -by distillation with xylene. J. K. Morton and G. C. Spencer 415. Vitamins in heat-sterilised - . c. 11. Dugdale and R. J. Munro 359. Food and Drugs Analysis Abstracts. 38 90, 150 197 249 303 351 413 464 521 581, 634.Food Investigation Board Reports Annual Report for the year 1924. 142. On functional diseases of apples in cold storage (No. 23). 85. On the handling and transport of fish (No. 25). E. Griffiths and C. Heron 350. On the measurement of humidity in closed spaces (No. 8). 35. On the storage of eggs (No. 26). Bacterial Examination of - ; Methods for. as insecticides. S. Marcovitch 420. Food Adulterated - in restaurants. (Ministry of Health Notice) 351. C. A. Mitchell 372. 247. Foods Animal -. See Animal Foods. (Review) W. Gaehtgens 377 xxxii INDEX TO VOLUME LI. Foods-continued. canned - ; Chlorinated drinking water and its use in the preparation of. H. Serger 362. canned - ; Vitamins in. IV. Green peas.W. H. Eddy E. F. Kohmann and V. Carlsson 207. Chemical Analysis of - ; The. (Review), H. E. Cox 164. Glass fragments in -. 626. made from yeast. E. Stern and H. Becker, Use of ultra-voilet light in the examination of Foodstuffs copper in - ; Determination of. L. H. Lampitt E. B. Hughes P. Bilham and C. H. F. Fuller 327. Phytin content of -. H. P. Averill and C. G. King 252. sulphites in - ; Simple method of testing for. A. E. Parkes 620. Forensic abstracts. 46 99 208 260 313 361, 419 470 531 590. Formaldehyde Formation of urea and of a sub-stance giving the same colour reaction as - with hydrazine on heating vegetable juices. R. Fosse 153. in certain marine products. D. B. Dill and P. B. Clark 304. in fish; Examination for - . A.R. Tankard and D. J. T. Bagnall 565. in formalin tablets ; Determination of -. I. M. Kolthoff 254. in sausages. (Legal Notes) 630. titration of certain amino-acids. 250. -. POPP 540. S. L. Jodidi, 263. Formalin tablets ; Determination of formalde-hyde in -. I. M. Kolthoff 254. Formic Acid in food products ; Separation of - by distillation with xylene. J. K. Morton and G. C. Spencer 415. Formulae Writing and indexing of chemical Fractional extraction of liquid fatty acids of Freezing Theory of -. 143. French chalk. 182. Fresh-Water crustaceans and fish ; Arsenic in Frost injury to apples in cold storage. Fructose Determination of sucrose inulin and -. W. R. Campbell and M. I. Hanna, 582. retardation of invertase action ; Glucose and -.J. M. Nelson and R. S. Anderson, 588. Fruit canned- ; " Blowing " of - due to chemical action. G. W. Monier-Williams, 402. juices ; Refractometry as an aid to the investi-gation of -. Preservation of -. 143. Fruit-Type Products acidity of highly coloured - * Determination of. C. H. Badger and j. W. Sale 583. Fruits Ripeness of - estimated by deter-minations of their specific gravities. 520. -. 192 194 195. linseed oil. G. Agde 364. -. 558. 85. H. Eckart 40. Fuels motor- ; Determination of lead tetra-ethyl in -. motor- ; Determination of unsaturated aroma-tic naphthene and paraffin hydrocarbons in -. G. Egloff and J. C. Morell 316. Fumigant for cereal products ; Possibilities and limitations of chloropicrin as a -. R. N. Chapman 262.Fungi Edible and Poisonous -. (Review), Ministry of Agriculture and Fisheries Pub-lication No. 54. 604. Haemolysins of -. imperfecti and a further plea for an Institute of Industrial Micro-Biology. A. C. Chap-man 319. oxidase in various - ; Presence of an un-known. J. Wolff 206. G. Ferreri 104. V. Pettinari 260. G Galactonuric Acid in pectin ; Determination of -. W. H. Dore 151. Gallium-in-Quartz thermometer graduated to 1000 "C. S. Boyer 110. Gardens1 Action of salts of mercury on -. P. Fleury 92. Gas analysis apparatus modified for detefmina-tion of methane in metabolism experiments. T. M. Carpenter and E. L. Fox 636. carbon disulphide in small volumes of -. Determination of traces of. W. J. Huff, 156. petroleum ; -4romatic hydrocarbon content of natural -.Water- - . See Water-Gas. Gaseous mixtures ; Determination of hydro-cyanic acid in -. mixtures ; Determination of small quantities of hydrogen in -. P. Lebeau and P. Marmasse 366. Gases Photo-electric determination of coloured - H. and A. Copaux 111. Gasometnc calcium carbide method for deter-mining moisture. W. A. Jakowenko 106. method for determining acetic anhydride. E. L. IVhitford 103. Gastric contents ; Comparison of the electro-metric and colorimetric methods of deter-mining the P value of -. G. Kahn and J. Stokes Junr. 528. Gelatin Behaviour of - towards colouring matters in wines. A. Kickton and F. Mayer 353. Gentiobiose in the products of the commercial hydrolysis of corn starch. Germination Age of wheat determined from temperature of -.Gesellschaft Deutscher Metallhiitten und Berg-leute Mitteilungen des Chemiker-Fachaus-schusses der - . Vols. I. and 11. (Review) 324. Gilchrist fusion process of determining iron in iridium. 392. Gillespie approximate method of determining hydrogen ion concentration ; Modification of -. J. McCrae 287. A. M. Erskine 476. G. E. Seil 471. H. Berlin 635. 0. Munerati 261 xxxiii INDEX TO VOLUME L1. Glacial Acetic Acid Analysis of -. H. D. Richmond and E. H. England 283. Effect of propionic acid on -. strength of - ; Determination of the. C. 0. Harvey 238. Gland pituitary- ; Aqueous extract of the posterior lobe of the -. thy-roid- ; Method for determining iodine in -. F. A. Pickworth 92. Glass crucibles; Jena sintered -.G. D. Elsdon 30. fragments in foods. 626. Manipulation ; Practical - . (Review), D. G. Briggs 601. used in ancient Egypt. 437 447. Glassware used for dairy chemistry; Tests on volumetric -. (National Physical Lab-oratory Report) 249. Glmed earthenware containers; Use of -. C. J . Stock 82. Gliadin Preparation solubility and specific rotation of wheat -. D. B. Dill and C. L. Alsberg 44. Qlucosan Determination of -. H. J. Deuel, Junr. S. S. Waddell and J . A. Mandel 468. Glucose in presence of phosphate buffers ; Determination of -. M. B. Visscher, 521. retardation of invertase action ; Fructose and -. J . hi. Nelson and R. S. Anderson, 588. solutions ; Optical rotation of insulin and - in contact with muscle tissue in vitro.H. H. Beard and V. Jersey 640. syrup ; Use of - in the titration of borax. L. S. Weatherby and H. H. Chesny 538. U.S. Food Inspection Decision No. 201. 581. Qlucoses Oxidation of methylated -. H. Sobotka 522. Glue water content of liquid - ; Determina-tion of. W. A. Kingman 212. Glutathione in the corpuscles of mammalian blood Presence of -. H. F. Holden, 95. Glycerin in tobacco ; Detection and determina-tion of -. A. C. Chapman 382. Glycerol in cotton cloth and sized yarns ; Detec-tion and determination of -. G. Smith, 265. C3lycerophosphates Analysis and composition of commercial -. Glycogen Experimental work on -. 143. Goitre ‘‘ cure ” ; Sulphuric acid as -. (Legal Notes) 460. Gold in the animal organism; Electrolytic method for investigating the circulation of -.S. Lomholt 97. Separation of tellurium from -. 369. used in ancient Egypt. 440. Government Chemists’ Reports See Agra and Oudh Canada Federated Malay States, Madras Palestine Queensland Sism Trini-dad and Tobago. 284. 196. in yarn or cloth. 646. G. J . W. Ferrey 526. See also Government Laboratory. Government Laboratory Report of the Govern-ment Chemist upon the work of the -for the year ending March 31st 1926 517. Grain strychnine in poisoned - ; Determina-tion of. J. W. Elmore 470. Grains Effect of storage on the antirachitic factor of cod liver oil when mixed with ground - E. B. Hart H. Steenbock and S. Lepkovsky 94. Grape juice ; Catawba - B. G. Hartmann, 161. must ; Influence of sugar on the determination of ammonia in -.J. Ventre and E. Bouffard 352 353. pectins and their influence on wines. L. Semichon and Flanzy 523. Grape Fruit Artificially coloured -. (Legal Notes) 186. Gregory’s Powder. Grinding Effects of fine - upon flour. C. L. Alsberg and E. P. Griffing 199. Ground Almonds See Almonds. Growth-promoting and anti-neuritic sub-stances ; Differentiation between the water-soluble -. s. M. Hauge and C. W. Carrick, 586. ‘‘ Gulf Sickness y y and the arsenic theory. A. Juckenack and A. Briining 531. Gutzeit Test for arsenic ; Mercuric bromide paper for use in -. G. Kemmerer and H. H. Schrenk 478. Gypsum used in ancient Egypt. J . F. Liverseege 295. 441. H Haemolysins of fungi. Hafnium Attempted separation of - and J .Kendall Hair Colour of mummy -. Hairs cotton - ; Microscopical examination of. T. B. Bright 593. Halogen in organic compounds ; Determination of -. Halogens Iodimetric determination of the -. P. L. Hibbard 538. Micro-analytical determination of sulphur and -. A. RCcsei 647. roll. (Legal Notes) Ham Chicken and -515. Hams marrow of fresh and cured - ; Com-position of. W. F. Schroeder and D. Edelman 249. Hashish Physiological action of -. Wie-chowski 643. Head Oils of the dolphin (Delphinus DeZphis Lin .) H. Marcelet 473. Heating value of coals in monel metal bombs ; Determination of the -. J. C. Geniesse and E. J. Soop 110. Helium Solidification of -. W. H. Keesom, 429. Hemp Indian - poisoning. 410. V. Pettinari 260.zirconium by ionic migration. and W. West 647. 446. C. F. van Duin 421 xxxiv INDEX TO VOLUME LI. Hem eggs of - ; Effect of low temperatures on. T. Moran 39. Relation between amount of ultra-violet light received by - and amount of antirachitic vitamin in eggs produced. J . S. Hughes, L. F. Payne R. W. Titus and J. M. Moore, 207. Hexosamines and mucoproteins. (Review) P. A. Levene 57. Hippuric Acid Determination of - and elimination of benzoic acid as - in rabbits. 'CV. H. Griffith 528. Histidine content of a number of proteins. M. T. Hankc 204. in protein ; Quantitative determination of tyrosine and -. Separation of arginine and -. H. B. Vickery and C. S. Leavenworth 418. Hogs body fat of - ; Influence of the ration upon the composition of.S. R. Ellis and H. S. Isbell 524. Homatropine Methyl red as indicator for -. 310. Honey sugars in -. Determination of. F. Lucius 581. Hull See Kmgston-upon-Hull. Human body; Influence of temperature air velocity and clothing on the rate of cooling of the -. 191. poisoning cases. 409. Humidity in closed spaces; Measurement of -. (Food Investigation Board Report) 35. Hydrazine Formation of urea and of a substance giving the same colour reaction as formalde-hyde with - on heating vegetable juices. R. Fosse 153. Hydrazine Sulphate Determination of iodine by means of -. E. Cattelain 647. for preparing ammoniacal cuprous chloride ; Use of -for the standardisation of iodine solutions ; Use of -. E. Cattelain 317. in iodimetry.E. Cattelain 51. M. T. Hanke 204. E. Cattelain 423. Hydriodic Acid Action of concentrated hydro-bromic and - on the cobalt ion. New reaction for nickel. G. Denighs 478. Hydrobromic Acid Action of concentrated hydriodic and - on the cobalt ion. New reaction for nickel. G. DenigAs 478. Hydrocarbons Aromatic - content of natural gas petroleum. aromatic - in light petroleum ; Determina-tion of. A. M. Erskine 475. in motor fuels ; Determination of unsaturated, aromatic naphthene and paraffin -. G. Egloff and J . C. Morell 316. Hydrochloric Acid Note on -. Hydrocyanic Acid Determination of strength of liquid - by specific gravity. M. Walker and C. J. Martin 202. in gaseous mixtures ; Determination of -. G. E. Seil 471. A. iM. Erskine 476. 506.Hydrofluoric Acid Note on -. Hydrogen in gaseous mixtures ; of small quantities of -. P. Marmasse 306. 506. Determination P. Lebeau and HydrogenIon Concentration Colorimetric Deter -mination of -. Use of Colour Indicators. (Review) I. M. Kolthoff 218. determinations ; Buffer mixture for the alkaline range of - W. R. G. Atkins and C. F. A. Pantin 3i7. Modification of the Gillespie approximate method of determining -. J . McCrae, 287. of certain local anaesthetics ; Kelationship between the chemical constitution and -. E. B. Vliet and R. Adams 527. Hydrogen Peroxide Solid -. J . R. Booer SO. Hydrogenase Investigation of -. J. Gruss, 531. Hydrogenated Oils ldentification of -. Identification and determination of choles-terol and certain other compounds.J. V. Steinle and L. Kahlenberg 310. Hydrolysis of corn starch; Occurrence of gentiobiose in the products of the commer-cial -. H. Berlin 635. of rhamnicoside ; Primeverose and rhamni-cogenol the products of enzymic -. M. Sudel and C. Charaux 41. Separation and determination of bismuth by -. L. Moser and W. Maxymowicz 161. Hydrometer readings ; Temperature corrections of Baumi -. Hydrostatic Compensation Weighing by -. M. Guichard 596. Hydroxides of beryllium rare earths zirconium and thorium ; Reaction of " aluminon " with -. A. K. Middleton 537. Hydroxylamine Colorimetric method for deter-mining -. G. W. Pucher and H. A. Day, 266. Hydroxylamine Hydrochloride Determination of acetone by means of -. 472. Hygrometers for measuring humidity in closed spaces.35. Hyoscyamine Methyl red as indicator for -, 316. Hypochlorite solutions ; Solubility of ruthenium in - and an attempt to utilise the reaction for determining the metal. J . L. Howe and F. N. Mercer 109. Hypophosphites Volumetric determination of -. D. Koszegi 426; I. 34. Kolthoff, 595. C. F. Snyder 427. M. Marasco, I Ice Cream Adulteration and misbranding of -. (Legal Notes) 516. W u m The element of atomic number 61. J. A. Harris L. F.Yntema and B. S.Hopkins, 372. Immersion Refractometer Determination of the concentration of liquid soaps by the -. L. I;. Hoyt and A. Verwiebe 427. W. C . Powick 269. Salford Analyst's Report on -. 569. Inactivation of vitamin A by rancid fat INDEX TO VOLUME LI.xxxv Indian hemp poisoning. 410. opium ; Alleged deterioration of -. D. B. Dott 255. valerian root; Chemical constituents of the oleo resin and fatty matter of -. K. Bullock 525. Indiarubber Allen’s Commercial Organic Analy-sis Vol. IV. 320. Indicateus ColorCs ; L’ emploi des -. DCter-mination colorimktrique de la Concentration des Ions Hydroghe. (Review) I. M. Kolthoff 218. Indicator Burrell methane - ; Detection of petroleum vapour with the. G. W. Jones and W. P. Yant 104. Cobalt chloride as - for water. Diphenylamine as an internal - for iron. F. J . Dyer and W. B. Forbes 536. Iodeosin - in alkaloidal determinations. D. B. Dott 255. Indicators for alkaloidal titrations. H. Wales 316. in the investigation of polluted water ; Use of sulphur bacteria as -.D. Ellis 530. The Use of Coloured - . Colorimetric Determination of Hydrogen Ion Concentra-tions. (Review) I. M. Kolthoff 218. IndusMal Chemistry. (Review) A. Rogers 601. Distillation ; Principles and Practice of -. (Review) E. Hausbrand 58. Industry Chemistry in -. (Review) H. Howe 489. Infectivity of the milk of tuberculous cows; Effect of Pasteurisation on the -. R. G. White 156. Ink Manufacture. Inks writing- ; Electrometric determination of the acidity of -. H. A. Bromley and A. de Waele 567. Inorganic analysis; Abstracts. 50 106 158, 213 266 317 366 423 476 536 594 646. blood phosphorous and bone ash in rats fed on normal rachitic and irradiated rachitic diets. R. A. Dutcher M. Creighton and H. A.Rothrock 206. chemical nomenclature ; Revision of -. M. DelCpine 192 194. Chemistry ; A Comprehensive Treatise on Theoretical and -. Vol. VI. (Review), J . W. Mellor 113. Chemistry ; A Textbook of -. (Review), F. Ephraim 651. Chemistry ; Recent advances in Physical and -. Chemistry; Report of the Committee on Nomenclature in --. Washington Meet-ing 634. compounds ; Determination of mercury in organic and -. Physical Chemistry. (Review) G. H. Cart-ledge 217. Insecticides Arsenical - and contamination of apples 134. Fluosilicates as -. petroleum - ; Relation between effective-ness and composition of. G. P. Gray and E. R. de Ong 211. 412. (Review) S. Lehner 544. (Review) A. U‘. Stewart 541. H. Ter Meulen 422. S. Rlarcovitch 420. Insects Quantitative toxicological investiga-tions on mandibulate -.F. L. Campbell, 313. Inspector’s right of selection ; Arsenical apples. (Legal Notes) &2. Insulin and its manufacture. F. H. Carr 697. chemical properties of - ; Further investi-gation of. solutions ; Optical rotation of glucose and - in contact with muscle tissue in vitro. H. H. Beard and V. Jersey 640. Intermediates for Dyestuffs. (Review) A. Davidson 219. International critical tables of numerical data of physics chemistry and technology. (Review) 482. Intoxication alcoholic ; A chemical test for -. H. W. Southgate 208. hulin Determination of fructose sucrose and -. W. R. Campbell and M. I. Hanna, 582. Invert Sugar See Sugar invert. Invertase action ; Glucose and fructose retarda-tion of -.J . M. Kelson and R. S. Anderson 588. Iodate Interference of - in the nitrite test. C. F. Hickethier and A. Jacobucci 48. methods ; Volumetric -. (Review) G. S. Jamieson 542. Iodeosin indicator in alkaloidal determinations. D. B. Dott 255. IodimeMc determination of arsenic acid. B. Ormont 269. determination of the halogens. P. L. Hibbard, 538. method for determining the carbonyl group in organic compounds ; Accurate general -. E. G. R. Ardagh and J . G. Williams, 102. titration of acids. 1. 31. Kolthoff 477. titrations ; Preparation of starch solution for use in -. C. L. Alsberg E. P. Griffing and J. Field 371. Iodimetry Hydrazine sulphate in -. E. Cattelain 51. New type of end-point in electrometric titration and its application to -.C. W. Foulk and A. T.-Bawden 539. Iodine Behaviour of different starches towards dyestuffs and -. J . Hiibner and K. Venkataraman. 351. Determination of - by means of hydrazine sulphate. E. Cattelain 647. in natural waters; Determination of -. H. W. Brubaker H. S. Van Blarcom and N. H. Walker 471. in thyroid gland ; Method for determining -. F. A. Pickworth 92. in water-gas; Occurrence of - . H. MohorEiE 51. solutions ; Use of hydrazine sulphate for the standardisation of -. E. Cattelain 317. Ionic -ation Attempted separation of D. A. Scott 96. hafnium and zirconium by - - J -Kendall and W. West 647 xxxvi INDEX TO VOLUME LI. Ions Hydroghes ; DCtermination colorimktrique de la concentration des -. L’emploi des indicateurs color&s.(Review) I. M. Kolt-hoff 218. Iridium Separation of - from iron. W. R. Schoeller 392 455. Iron and iron oxides ; Analysis of materials con-taining a mixture of metallic -. H. C. M. Ingeberg 107. Colorimetric determination of - by the ferrocyanide method. W. R. Mummery, 611. content of meats. E. B. Forbes and R. W. Swift 303. Determination of very small quantities of -. H. L. Smith and J. H. Cooke 503. Diphenylamine as an internal indicator for -. F. J. Dyer and W. B. Forbes 536. ferric- ; Colorimetric determination of - by means of pyramidon. H. W. van Urk, 594. in biological materials ; Quantitative methods for determining -. C. A. Elvehjem and E. B. Hart 258. in blood tissues and urine ; Determination of -.F. S. Fowweather 309. in tea iMetallic -. (Legal Notes) 573. in uranium ores ; Volumetric determination of uranium vanadium copper and - A. S. Russell 268. Separation of iridium from -. W. R. Schoeller 392 455. Separation of mercury from -. G. Spacu, 51. Separation of zirconium from - and alum-inium. R. Lessing 161. Sliding-gauge colorimeter and determination of small amounts of ammonia nitrites lead and -. sulphur in -; Determination of. K. K. Jiirvinen 595. Jron Oxides Analysis of materials containing a mixture of metallic iron and -. H. C. M. Ingeberg 107. Irradiated rachitic diets ; See Diets. Isomers aconitic acid and its - . Natural occurrence of. Isopropylallyl Acid Action of salts of mercury on -. P. Fleury 92. A. L. Bernoulli 649.0. A. Beath 526. J Jam apple pulp in - ; Detection of. W. Availability of warranty. Forster o . Star containing glucose. 570. Jena sintered glass crucibles. G. D. Elsdon, 30. Jerusalem Artichokes Analysis of - and preparation of laevulose. R. F. Jackson, C. G. Silsbee and M. J. Proffitt 304. Johannesia Ptinceps Seed and oil of -. G. Etzel and C. G. King 365. Partridge 346. Tea Co. (Legal Notes) 628. Juice apple - and pectin products ; Com-mercial. H. Eckart 251. Catawba grape -. B. G. Hartman 161. of the alfalfa plant; Some nitrogenous con-stituents of the -. VI. Asparagine and amino acids in alfalfa. H. B. Vickery 100. marking nut - . Experiments on the detection of. 410. orange - ; Preservation of vitamin C in dried. G. J .Humphrey 586. orange and tomato - ; Effect of fer-mentation with specific micro-organisms on the vitamin C content of. S. Lepkovsky and E. B. Hart 155. Determination of starch in pectin and - by a sedimetric method. H. Eckart and A. Diem 524. Fruit -. See Fruit. vegetable- ; Formation of urea and of a sub-stance giving the same colour reaction as formaldehyde with hydrazine on heating -. R. Fosse 153. Juices apple- ; 11: Kapok Differentiation of cotton and -. Kata thermometer ; Calibration of -. 191. Kemp fibres; Examination of -. H. Bliss, J Duerden J. F. Roberts J . Blyth H. Hirst and A. T. King 475. Kent County of -. Report of County Analyst for Fourth Quarter 1925 347; for First Quarter 1926 406. Ketones 2:4 dinitrophenylhydrazine as a reagent for aldehydes and -; Use of.0. L. Brady and G. V. Elsmie 77. Kingston-upon-Hull City and County of -. Annual Report of the Public Analyst for 1925. A. N. Tankard 625. Kjeldahl distillates ; Use of potassium iodide and iodate method for titration -. H. F. Wilson and F. Mattingley 569. method for determining organic nitrogen in sewage effluents etc. ; Modification of -. J . W. H. Johnson 405. Kjeldahl-Gunning nitrogen determinations ; On the presence of amines in the distillate from -. R. A. Cortner and W. F. Hoffman, 648. Ejeldahl-Pregl Method applied to nitro-com-pounds. A. Lejeune 265. Eapok Oil. 465. in glacial acetic acid 285. A. Elek and H. Sobotka 214. L Laboratory Book of Mineral Oil Testing. (Review) , instrument ; The polarising microscope as a Manual of Elementary Colloid Chemistry.Lactahon Relationship between casein and J . A. Hicks 217. - A. V. Blom 111. (Review) E. Hatschek 112. period of -. 610 INDEX TO VOLUME LI. xxxvii Lsotic Acid Acidimetric titration and com-position of commercial -. R. Eder and F. Kutter 533. in presence of other organic acids ; Detection and determination of -. E. K. Nelson, 591. produced by pure and mixed cultures of bacteria ; Forms of -. C. S. Pederson, W. H. Peterson and E. B. Fred 361. Laemlose Preparation of -. Analysis of Jerusalem artichokes and dahlia tubers. R. F. Jackson C.,G. Silsbbee and &I. J . Roffitt 304. Lead Absence of mirror formation in Vort-mann’s method of separating silver and -. G.Vortmann 456. in animal tissues; Determination of small amounts of -. R. Nakaseko and I. Nakano 46. in marine crustaceans and shell fish ; On the presence of - and other metallic impuri-ties. in tartar emetic; Arsenic and -. E. Griffiths- Jones 201. Separation of silver from -. G. Vortmann and 0. Hecht 158. Separation of tellurium from -. 369. silver in - ; Wet method for determination of. B. S. Evans 79. Sliding-gauge colorimeter and determination of small amounts of ammonia nitrites iron and -Lead Tetra-Ethyl in motor fuels ; Determination of -. G. Ferreri 104. Poisoning by -. C . Norris and A. 0. Gettler 209. Proposed regulations for the manufacture and use of -. 313. Report of Committee on -. 210. Leather Polluted atmosphere a factor in the deterioration of bookbinding -.F. P. Veitch R. W. Frey and L. R. Leinbach 373. Lecithin in blood ; Colorimetric determination of cholesterol and - in connection with Folin and Wu’s system of blood analysis. G. M. De Toni 639. Legal Cases Anglo-Celtic Shipping Co. ZI. Elliott and Jeffery and Others. (Liability for damage by a secret cleaning fluid) 185. Forster v. Star Tea Co. (Jam Availability of warranty) 628. Rex Y . Hale U.D.C. (ex parle Wright) (Rohi-bition of milk supply by Local Authority), 241. Rex v . Robinson Brothers Ltd. (Flowers of Sulphur) 239. Sharp u. Sparkes. without a licence) 627. United States v. At J. Lewis. (Adulteration and misbranding of canned tomatoes) 34. Legal Notes 32 83 140 185 239 298 348 408, 458 514 571 627.Lemon Cheese A defective certificate. (Legal Notes). 84; S. E. Melling 243. Lignin in woods; Distribution of -. G. J. Ritter SO. A. C. Chapman and H. Linden 563. A. L. Bernoulli 649. (Sale of Medicated Wine Lime Analysis of commercial -. T. P. Blunt 625. compounds in the shell of hens’ eggs ; Influ-ence of feeding with cod liver oil on the deposition of -. 520. in Portland cement; Determination of un-combined -. W. Larch and R. H. Bogue 480. Lime Pip Oil S. C. Marshall and M. S. Salamon, 237. Lime Seed Oil and oil cake. A. E. Collens 510. Linseed Oil crystalline bromides of - ; Further notes on the. H. Toms 387. Fractional extraction of liquid fatty acids of -. G. Agde 364. Polymerised -. varnishes ; Detection of resins in -.I< Brauer 422. Lipase pancreatic - . Factors influencing the action of. B. ’s. Platt and E. R. Dawson 96. Liquids volatile - ; Flask for recovery of. M. Nierenstein 569. Liquorice Adulteration of - with masticopa. P. Casparis 465. Lobsters Arsenic in - 562. 564. London City of -. Report of the Medical Officer of Health for the year 1925. W. J. Howarth 412. Lucinal Action of salts of mercury on -. P. Fleury 92. Luminal Characteristic reactions of -. F. Ranwez 203. Lupine alkaloids ; Relative toxicity of the -. J. F. Couch 361. Lysol “ free from carbolic acid ; ” Sale of -. (Legal Notes) 571. K. H. Bauer 422. Lead and copper in -. M Madras Government of -. Report of the Chemical Examiner for the year 1925. C. Newcomb 409.Magnesia calcined ; Action of - in prevent-ing solution of soluble matter in rhubarb. 295. Magnesium Co-precipitation of - with aluminium precipitates. A. Lassieur 368. Magnesium Ammonium Phosphate Determina-Jorgensen 6 1. Maize Relation of protein content to specific gravity 5 19. starch (corn) ; Unsaturated fatty acids associated with -. T. C. Taylor and L. Lehrman 464. Malic Acid Fluorescence reaction of -. S. A. Celsi 592. in tobacco ; Determination of citric acid and - . H. Rundshagen 645. Malt meat and - wine ; Non-alcoholic. (Legal notes) 514. Mammaiian blood ; Presence of glutathione in the corpuscles of -. H. F. Holden 95. tion of phosphoric acid as - . G xxxviii INDEX TO VOLUME LI. Mandibulate Insects Quantitative toxicological investigations on -.F. L. Campbell, 313. Manganese Bismuthate method for determining -. B. Park 425. compounds ; Poisoning by -. H. Hand-ovsky and others 362. Discovery of eka- and dvi- - . J . G. F. Druce 482. Manganese Salts Effect of zirconium titanium and - on nutrition. Iiichet Garner and Goodbody 98. Manures ammoniacal nitrogen in - ; Deter-mination of. F. Chastellain 261. and Soils ; The Science of -. (Review), J. A. Murray 115. Margarine butter fat and palm kernel oil in - * Determination of. G. D. Elsdon and 6. Smith 72. Mineral oil in -. An invoice warra ty. (Legal Notes) 459. palm kernel oil and butter fat in - ; Deter-mination of. G. D. Elsdon and P. Smith, 72. Marine crustaceans and shell fish; On the presence of compounds of arsenic in -.A. C. Chapman 548. crustaceans and shell fish ; On the presence of lead and other metallic impurities in -. A. C. Chapman and H. Linden 563. products ; Formaldehyde in certain -. D. B. Dill and P. B. Clark 304. products ; Tin corrosion and blackening in certain -. D. B. Dill and P. B. Clark, 413. Marking Nut juice ; Experiments on the detec-tion of -. 410. Marrow of fresh and cured hams ; Composition of -. W. I?. Schroeder and D. Edelman, 249. Masticogna Adulteration of liquorice with -. P. Casparis 465. Matches White phosphorus in -. Mauritius Tobacco from Palestine Nigeria and Mayweed (chamomile) and a taint in milk. F. Procter 527. Meat extract; Meat wine deficient in -. (Legal Notes) 460. extracts ; Determination of moisture in -.C. Dedlow and D. T. Smith 521. incipient putrefaction in - ; Detection of. E. Arbenz 250 ; R. Herzner and 0. Mann, 634. potted ; Boric acid in -. (Legal Notes), 299. Preservation of - 143. products ; Detection of incipient putrefaction in meat and -. E. Arbenz 250. wine deficient in meat extract. (Legal Notes), 460. Meat and Malt Wine Non-alcoholic -. (Legal Notes) 514. Meat Pastes Starch in -. 671. Meats Iron content of -. E. B. Forbes and R. W. Swift 303. 412. . 482. -Meats-comtiraued. sodium nitrite for curing - ; Use of. W. L. Lewis R. S. Vose and C. D. Lowry 90. Mechanical analysis of New Zealand soils. R. E. R. Grimmett 420. Report and recommenda-tions of Argicultural Education Association Sub-committee 211.Medical aspect of tobacco ; An address on the -. H. Rolleston 319. Medical Officer of Health for the City of London ; Report of - for the year 1925. W. J. Howarth 412. Medical Research Council’s Reports Further studies of the salmonella group. No. 103. 632. Methods of investigating ventilation and its effects. 190. Medicated Wine Sale of - without a license. (Legal Notes) 186; Sharp v . Sparkes. (Legal Notes) 627. Medicine Students of Biology and - * Practical Physical and Colloid ChernisG for. (Review) L. Michaelis 221. Yogurt as a dietetic food and -. T. Stathopoulo 414. Melting-Point apparatus ; New - . J. R. Hosking and W. F. Short 270. method ; Influence of fatty acids on Bomer’s -. F. J. F. Muschter and R. Smid 464.Membranes collodion- ; Investigations into the standardisation and calibration of -. I. C. Lundsgaard and S. A. Holbil 428. nickel - for ultra-filtration ; Preparation of. J . Manning 428. Mental Efficiency The smoking habit and -. J. K. Earp 319. Mercerisation Test for -. R. W. Kinkead, 366. Mercerised cotton ; Test for -. H. MeMell, 422. Merchandise Marks Act Ground almonds and the -. (Legal Notes) 187. Mercuric Bromide paper for use in the Gutzeit test for arsenic. G. Kemmerer and H. H. Schrenk 478. Mercuric Chloride Volumetric method of assay-ing mercuric.iodide - and some other mercury compounds. S. Ellman 42. Mercuric Iodide Addendum on the determina-tion of -. 234. analysis of soils. Analysis of -. ointment; Analysis of red -.Volumetric method of assaying - mercuric chloride and some other mercury compounds. S. Ellman 42. Mercuric Salts Clearing of sugar solutions (wines) by -. L. Semichon and Flanzy, 352. Mercurous Salts and ammonia; Interaction of -. Mercury compounds ; Volumetric method of assaying mercuric iodide mercuric chloride and some other -. J. Sandilands 255. 293. F. Feigl and A. Sucharipa 61. S. Ellman 42 INDEX TO VOLUME LI. xxxix Mmury-continued. Determination of traces of -. H. S . Booth and N. E. Schreiber 106. in organic and inorganic compounds ; Deter-mination of -. in presence of organic matter ; Determina-tion of traces of -. H. S. Booth N. E. Schreiber and K. C. Zwick 477. in solution ; Accurate method for determin-ing -. B. S.Evans and S. G. Clarke, 224. Separation of - from iron. G. Spacu 51. Separation of tellurium from -. 369. Mercury Salts Action of - on the veronals. P. Fleury 92. lbletabolism Carbohydrate - in health and disease. H. MacLean 429. experiments ; Gas analysis apparatus modi-fied for determination of methane in -. T. M. Carpenter and E. L. Fox 636. Metallic impurities in marine crustaceans and shell fish; On the presence of lead and other -. A. C. Chapman and H. Linden, 563. pyrocatechol compounds; New - and their use in microchemical analysis. A. Martini 646. Hefals electrolytic separation of - ; Method for. D. J . Brown 267. in use in ancient Egypt. non-ferrous; Methods for analyses of -. G.D.M.B. Committee’s Report. (Review), 324. of cooking vessels ; Solubility of - and determination of the dissolved -.K. K. Jarvinen 43. platinum - ; Qualitative separation of. S. C. Ogburn 647. Meter Foam -. Methaemoglobin Cyanmethaemoglobin and the determination of - . Balthazard and M. Philippe 466. Methane Gas analysis apparatus for determina-tion of - in metabolism experiments. T. M. Carpenter and E. L. Fox 6S6. indicator ; Detection of petroleum vapour with the Burrell -. G. W. Jones and W. P. Yant 104. Methoxy Group Use of acetic anhydride in Zeisel’s inethod for determining -. M. Nierenstein 456. Methyl Alcohol in alcoholic beverages ; Detection of -. F. R. Georgia and R. Morales 252. Toxicology of -. water in - ; Determination of small quantities of. M. M. Rising and J. S.Hicks, 472. Methyl Orange error in the determination of PH values by comparison with Clark’s buffer solutions. I. M. Kolthoff 423. Methyl Red as indicator for alkaloidal titrations, 316. Methyl Salicylate Use of - in a flowmeter. R. H. K. Foster 216. Methylated glucoses; Oxidation of -. H. Sobotka 522. H. Ter Meulen 422. 438 447. H. E. Williams 318. 0. Windhausen 590. Methylated Spirit Dermatitis due to the external use of -. P. B. Mumford 47. Regulations (1926) 89. Micro-Analytical determination of sulphur and halogens. A. Rkcsei 647. Micro-Biology Institute of Industrial - ; The Fungi Imperfecti and a further plea for an. A. C. Chapman 319. Micro-Method for determining carbon in organic compounds; A new -. H. L. Lochte, 364. for determining total solids; A new -.A. C. Rottinge 363. Micro-Organisms Effect of fermentation with specific - on the vitamin C content of orange and tomato juice. S. Lepkovsky and E. B. Hart 155. Microchemical analysis ; New metallic pyro-catechol compounds and their use in -. A. Martini 646. Microscope Polarising - as a laboratory instrument. A. V. Blom 111. Microscopical examination of cotton hairs. T. B. Bright 593. Milk Action of typhoid bacillus on -. C. Gorini 641. Alkaline - and its detection by the brom-cresol purple test. I . F. Proctor and A. T. R. Mattick 197. Anaerobic spore-bearing bacteria in --. E. A. Bliss 589. and its Products. U S . Food Inspection Decision No. 200. 580. “ Apparent ropiness ” (thread formation) in - due to surface influence.A. T. R. Mattick 527. bacterial activity in - ; Stimulation of. C. Gorini 530. Bacterial contamination of -. 245. Bacterial count of whole - in relation t o that of cream and skim - separated from it. C. S. Leete 208. calcium in - tissues and faeces; Deter-mination of. R. C. Corley and W. Denis, 208. Certified -. (Parliamentary Notes). 189. Combination of proteins amino-acids etc. (in -) with acids and alkalis and their combining weights. Composition of - in “ Appeal to the Cow ” cases. J. I?. Liverseege 295. composition of - ; Notes on variations in the. J. F. Tocher 606. Condensed - . See Condensed Milk, Destruction of vitamin A in - by ultra-violet light. R. W. Titus J. S. Hughes, W. R. Hinshaw and J. B. Fitch 530.evaporated ; Stability of - during sterilisa-tion. A. G. Benton and H. G. Albery 413. -fat ; Determination of - by means of the “ butyric acid value.” J. Grossfeld 416. -fat ; New distinguishing value for -. J. Kuhlmann and J. Grossfeld 305. Imported -. Public Health Regulations. No. 820. 576. L. J. Harris 39 Xl INDEX TO Milk-continued. of tuberculous cows ; Effect of Pasteurisation on the infectivity of -. R. G. White 156 Pasteurised - . (Parliamentary Notes), 189. Secretion of nitrates with -. H. Krause, 255. sediment in -; Note on the filtration method of measuring. A. R. Tankard 31. Stale - and the reductase test. (Legal Notes) 458. supply ; Prohibition of - by Local Author-ity. (Legal Notes) 241. taint in - ; Chamomile (mayweed) and a.F. Procter 527. Tuberculin tested -. (Parliamentary Notes), 244. Variations in the composition of -. J. F. Tocher 146. Milk and Dairies Order 1920 197. Statutory Rules and Orders 1926 S o . 821. Ministry of Health. 577. Milk Sugar Influence of - on polarimetric values. 497. Milton John Some newly-discovered Stanzas written by - . (Review) H. C. H. Candy 222. Mineral oil in margarine An invoice warranty. (Legal Notes) 459. oil testing ; Laboratory book of -. (Re-view) J. A. Hicks 217. phosphates ; New method of evaluating basic slags and -. E. Vanstone 47. Mines Department See Safety in Mines Research Board. Ministry of Health Orders Reporb Etc. Con-tamination of apples by arsenic. Circular 659. 38. Imported Milk. Public Health Statutory Rules and Orders 1926 No.820. 576. Milk and Dairies Order 1926. Circular No. 821. 577. Postponement of food preservatives regula-tions. 351. Preservatives in Food. Public Health Regu-lations. Draft Rules and Orders 1926. 578. Annual Keport of - for 1925-1926 and Abstract of Reports of Public Analysts for 1925. 575. Mirror formation in Vortmann's method of separating silver and lead ; Absence of -. G. Vortmann 456. lldiscometer An apparatus for obtaining com-posite samples. J. Houston 453. Mitrogynine A new alkaloid from M . Speciosa. 463. Mitiroversine A new alkaloid from 131. diversi-folia. 463. Mjxhes citrate or tartrate in -; Test to show the absence of. J. B. Peterson 49. containing protein ; Method for determining tyramine in -.M. T. Hanke 204. gaseous- ; Determination of hydrocyanic acid in -. G. E. Sea. 471. Sale of Food and Drugs Act. VOLUME Lr. Mixtures-cotzztinued. gaseous- ; Determination of small quantities of hydrogen in -. P. Lebeau and P. Marmasse 366. Moisture Gasometric calcium carbide method for determining -. W. A. Jakowenko, 106. in cloves ; Determination of -. P. May, 253. in meat extract ; Determination of -. C. Dedlow and D. T. Smith 521. Molecular weight of proteins ; New method for determining the -. T. Svedberg and R. FAhraeus 2 16. Molybdenum Colorimetric determination of -. A. D. Funck 537. in ores ; Determination of -. W. Hart-mann 108. Molybdic Acid Constitution of dissolved -. A. Travers and Malaprade 538. Monel metal bombs ; Determination of the heating value of coals in - .J . C. Geniesse and E. J. Soop 110. Monomolybdophosphotungstic Acid as a reagent for polyphenols and vitamins ; Rapid pre-paration of -. N. Bezssonoff 358. Morphine Methyl red as indicator for -. 316. Mortar silica in - cement and concrete ; Determination o f soluble. D. Florentin, 480. used in ancient Egypt. 441. Motor fuels ; Determination of lead tetra-ethyl in -. fuels ; Determination of unsaturated aroma-tic naphthene and paraffin hydrocarbons in -. Mucoproteins Hexosamines and -. (Re-view-) P. -4. Levene 57. Mummy hair ; Colour of -. 446. Muscle tissue ijt vitro ; Optical rotation of glucose and insulin solutions in contact with -. H. H. Beard and 1'. Jersey, 640.G. Ferreri 104. G. Egloff and J. C. Morell 316. Musk Xatural -. Mussels Arsenic in -. Lead in -. 564. Mustard essential oil of - in mustard flour ; Determination of. L. Colombier 308. flour; Determination of essential oil of mustard in -. L. Colombier 308. Mustard Seed Differentiation of ravison rape seed and black -. Vizern and Guillot, 262. Mutton Effect of short periods of cold storage on beef and -. Mydristic test; Applicability of - to the detection of datura in decomposed viscera. D. N. Chatterji 344. Myoalbumin Acetone method of preparing - ; its principal properties. -4. Wagner 593. 552. W. M. Clifford 303. M. Piettre 45. N NiihrFgsmitteln Methoden der Bakteriolo-mschen Untersuchunaen von -. (Review). W. Gaehtgens 377.INDEX TO VOLUME LI. xli Naphthene hydrocarbons in motor fuels ; Deter-mination of unsaturated aromatic paraffin and -. G. Egloff and J. C. Morrell 316. a-Naphthyl Isocyanate as a reagent for alcohols. V. T. Bickel and H. E. French 263. as a reagent for phenols and aliphatic amines. H. E. French and A. F. Wirtel 472. a-Naphthylurethane test for detecting glycerin in tobacco. 385. Narceine Bromophenol blue as indicator for Narcotine Bromophenol blue as indicator for Nasavusavu The hot springs of -. C. H. Wright 235. National ’ Physical Laboratory Tests on volu-metric glassware used in dairy chemistry. 249. New Zealand Annual Report of the Dominion Analyst for 1924. soils ; Mechanical analysis of -. R. E. R. Grimmett 420. Nickel Alleged determination of - as dioxide.L. Moser and W. Maxymowicz 52. Colorimetric determination of -. A. P. Rollet 537. membranes for ultra-filtration ; Preparation of -. J . Manning 428. New reaction for -. Action of concentrated hydrobromic and hydriodic acids on the cobalt ion. G. Denighs 478. Nicotine in tobacco ; Determination of -. H. Rundshagen 153. Methyl red as indicator for -. separation of ammonia and -; Methods for the. (Researches on the fermentation of dried tobacco. I.) A. Fodor and A. Reifenberg 98. Nicotinic Acid and choline. (Simpler con-stituents of yeast.) Nigeria Tobacco from Palestine Mauritius and Niobium analytical chemistry of tantalum -and their mineral associates ; Investigations into the. VI. The precipitation of the earth acids by sodium compounds.W. R. Schoeller and C. Jahn 613. Separation of tantalum and -. G. W. Sears 215. Nitrates Colour reaction of saponin with -. C. A. Mitchell 181. in animal and vegetable tissues. E. Kohn-Abrest and S. Kawakibi 585. Quantitative colorimetric determination of -. L. W. Haase 426. Secretion of - with milk. H. Krause 255. Nitric Acid free from iron ; Preparation of -. 505. Nitrite method of separation of iron from the platinum metals. 392. test ; Interference of iodate in the -. C. F. Hickethier and A. Jacobucci 48. Nitrites Sliding-gauge colorimeter and deter-mination of small amounts of ammonia, lead iron and -. A. L. Bernoulli, 649. -. 316. -. 316. J . S. Maclaurin 630. 316. H. B. Vickery 468. -. 483.Nitro-Compounds Determination of - by reduction with titanous chloride. I. M. Kolthoff and C. Robinson 263. Kjeldahl-Reg1 method applied to -. A. Elek and H. Sobotka 214. Nitrogen ammoniacal- in manures ; Deter-mination of. F. Chastellain 261. compounds in rain and snow. determinations ; On the presence of amines in the distillate from Kjeldahl-Gunning -. R. A. Cortner and W. F. Hoffman, 648. in heavy clay soils ; Determination of -. D. V. Bal 101. of mixtures of patent white flour and animal foods ; Biological value of -. H. H. Mitchell and G. G. Carrnan 358. organic - in sewage effluents etc. ; Modi-fication of Kjeldahl method for determining. J. \V. H. Johnson 405. organic - Rapid method for determining. G. Jaramillo 590. Nitrogen Tetroxide as a reagent for diazotisa-tion.B. Houston and T. B. Johnson 102. Nitrogenous constituents of the juice of the alfalfa plant ; Some -. VI. Asparagine and amino acids in alfalfa. H. B. Vickery, 100. constituents of yeast; Simpler -. I. Choline and nicotinic acid. H. B. Vickery, 468. Nomenclature in inorganic chemistry ; Report of the Committee on -. Washington Meeting. 634. Non-Alcoholic meat and malt wine. (Legal Notes) 514. Non-Fatty Solids in milk ; Relationship between butter fat and -. 611. Non-Ferrous materials ; Rapid detection of small amounts of aluminium in certain -. G. E. F. Lundell and H. €3. Knowles 214. metals; Methods for analyses of -. G.D.M.B. Committee Report. (Review), 324. Norit and other wood charcoals ; Identification of -.H. G. Tanner 50. Notes 31 79 140 180 237 293 345 402 456, 510 569 624. Nutrition Effect of zirconium titanium and manganese salts on -. Richet Gardner and Goodbody 98. 520. 0 Obituary Notices : Bodmer Richard. 38 1. Broadbent J . J . 547. Harrison Sir John Burchmore. Reed Lester. 435. 120 223. Odour intensity and - quality. Odours and the sense of smell. J. Missenden. J . H. Kenneth, 203. Perception of -. H. Nicol 373. 372 xlii INDEX TO VOLUME LI. Oil cake ; Refractometric determination of fat in oil seeds and -. extracted by carbon disulphide ; Reagent for - and identification of olive oil extracted by solvents. S. Fachini 636. Mineral - in margarine An invoice warranty. (Legal Notes) 459. Mineral - Testing ; Laboratory book of.(Review) J . A. Hicks 217. of Johannesia Princeps ; Seed and -. G. Etzel and C. G. King 365. Oils Chemistry of fats and -. 143. decomposition of fats and - ; Evidence of. J. Stamm 416. Detenoration of fats and - and its detection J. Pritzker and R. Jungkunz 635. Drying- ; Chemistry of -. (Review) R. S. Morrell 432. drying- ; Further notes on the crystalline bromides of linseed and some other -. WH. Toms 387. Essential -. See Essentir)! Oils. fatty-; Effect of " blowing on the com-C. H. Thomson, heavy petroleum - ; Vacuum distillation A. G. Peterkin and S. W. Ferris, Hydrogenated -. See Hydrogenated Oils. of the Chaulmoogra group. 90. Thiocyanogen absorption of fats and -. Thiocyanogen value-a new constant of fats used in ancient Egypt.442. Oilseeds fat in oil cake and - Refracto-metric determination of. H. iander 592. 0% Substances in opium ; Determination of total alkaloids sugar and -. J . N. Rakshit 491. Ointment red mercuric iodide - ; Analysis of. 293. Oleo Oil Vitamin A in oleostearine and -. R. Hoagland and G. G. Snider 311. Oleo Resin of Indian valerian root; Chemical constituents of the fatty matter and -. K. Bullock 525. Oleoresins vanilla - ; Analysis of commercial J. B. Wilson and J . W. Sale 253. Oleostearine Vitamin A in oleo oil and -. R. Hoagland and G. G. Snider 311. Olive Oil extracted by solvents ; Reagent for oil extracted by carbon disulphide and identi-fication of -. S. Fachini 636. obtained by extraction with solvents ; Detec-tion of -.Opium Alleged deterioration in Indian -D. B. Dott 255. total alkaloids sugar and oily substances in - ; Determination of. J. N. Rakshit, 491. wax in - ; Determination of. 494. in contact with muscle tissue in uitro. Beard and V. Jersey 640. H. Zander 592. position of certain -. 177. test for. 104. H. P. Kaufmann 264. and -. H. P. Kaufmann 157. S. Fachini 416. Optical Rotation of glucose and insulin solutions H. H. Orange juice; Effect of fermentation with specific micro-organisms on the vitamin C content of tomato and -. S . Lepkovsky and E. B. Hart 166. juice ; Preservation of vitamin C in dried -. G. J . Humphrey 586. Ores molybdenum in - ; Determination of. W. Hartmann 108. Organic acids ; Detection and determination of lactic acids in presence of other -.E. K. Nelson 591. acids in urine; Titration of -. W. V7. Palmer 418. analysis abstracts. 48 102 166 211 263, 314 363 421 471 533 690 643. Analysis ; Allen's Commercial -. Vol. IV. (Review) 320. Analysis ; Introduction to Qualitative -. (Review) H. Staudinger 488. Chemical Analysis Qualitative and Quanti-tative ; A Student's Manual of -. (Re-view) J . F. Thorpe and M. A. Whiteley. Chemistry ; A Text-Book of -. (Review), J . Schmidt 485; A. F. Holleman 660. Chemistry; Introduction to the Study of -. (Review) J. Wade 376. Chemistry ; Use of Solvents in Synthetic -. (Review) D. W. McArdle 274. compounds ; Accurate general iodimetric method for determining the carbonyl group in -. E. G. R. Ardagh and J.G. William 102. compounds ; Determination of arsenic in -. H. Ter Meulen 421. compounds ; Determination of halogen in -. C. F. Van Duin 421. compounds ; Determination of mercury in inorganic and -. H. Ter Meulen 422. compounds ; Determination of selenium in - . W. E. Bradt and R. E. Lyons 643. compounds ; New micro method for deter-mining carbon in -. H. L. Lochte 364. Compounds ; Preparation and Analysis of -. (Review) J . B. Coleman and F. Amall 599. matter ; Determination of traces of mercury in presence of -. H. S. Booth N. E. Schreiber- and K. C. Zwick 477. media ; Changes undergone by alkaloids of the tropine group in putrefying -. M. Magnette 419. nitrogen in sewage effluents ; Modification of Kjeldahl method for determining -.J . W. H. Johnson 405. nitrogen; Rapid method for determining -. G. Jaramillo 690. syntheses. Vol. IV. (Review) 0. Kamm, 55 ; Vol. V. C. S. Marvel 378 ; Vol. VI., H. Gilman 653. Organism circulation of gold in the animal - ; Electrolytic method for investigat-ing the. S. Lomholt 97. Oxidase in various fungi; Presence of an unknown -. J. N701ff 205 INDEX TO VOLUME LI. xliii Oxidation Air - of titanous sulphate solution. Vanadous sulphate a new and powerful reducing agent. A. S. Russell, of chaulmoogric acid by permanganate. of methylated glucoses. G. A. Oxidising acids ; Potentiometric titration of some -. Oxygen absorbed in sewages and effluents; Method for the combined determination of albuminoid ammonia and - . J . W. H. Johnson 345.absorption by anthraquinone-B-sulphonic acid in alkaline solution. Colorimetric method for determining -. V. V. Efimov 213. dissolved - in effluents ; Determination of. E. R. Trotman 362. limits in respiratory air ; Carbon dioxide and -. A. Grogli 256. Oxygenated acids derived from non-metals ; Names of -. 192 195. Oysters Arsenic in -. 551. Perkins 465. H. Sobotka 522. M. L. Malaprade 271. T. K. Kruse 214. P Paints covering power of - ; Photometric method of measuring the. H. D. Bruce, 371. Palestine Government of -. Annual Report of the Dept. of Health for the year 1924. G. W. Baker 300. Tobacco from Nigeria Mauritius and -. 482. Palladium Adsorption of - in platinum ore analysis. 394. Benzoylmethylglyoxime as a precipitant for - .J. Hanus A. Jilek and J . Lukas, 109. Pslmitodistearin Identification of U- - in presence of B- -. F. J . F. Muschter and G. Visser 353. Palm Kernel oil in margarine ; Determination of butter fat and -. G. D. Elsdon and P. Smith 72. Pancreatic lipase ; Factors influencing the action of -. B. S. Platt and E. R. Dawson 96. Para Rubber seed oil ; Crystalline bromides of Paraffin hydrocarbons in motor fuels ; Determin-ation of unsaturated aromatic naphthene a d - G. Egloff and J. C. Morell 316. Parliamentary Notes 189 245 300. Pastes unsaponifiable matter in alimentary - wheat flour and eggs ; Determination of. Pastewisation Effect of - on the infectivity of the milk of tuberculous cows. R. G. White 156. Pasburbed Milk See Milk Pasteurised.Peaches Vitamins in canned - . E. F. Kohmann W. H. Eddy V. Carlsson and N. Halliday. 260. -. 390. wax. L. D. Wyant and L. G. Marsh 105. R. Hertwig and L. H. Bailey 306. Pearls Detection of artificial -. P. Szilard, 53. Distinction between natural and artificial -. Peas preserved ; Composition of -in relation to their diameter. ‘ I Regenerated ” preserved - and preserved green - * Differentiation of. C. F. Muftelet 15b. Vitamins in canned foods. IV. Green -. W. H. Eddy E. F. Kohman and V. Carlsson, 207. Pests pharmacology of springs and -; Observations on. Prof. Zorkendbrfer 482. Pectic Acids E. K. Nelson 582. Pectin calcium pectate method of determining - ; Modification of. A. M. Emmett and M. HCarrk 307. Determination of -.C. F. Ahmann and H. D. Hooker 307. galactonuric acid in - ; Determination of. W. H. Dore 151. products ; Commercial apple juice and -. H. Eckart 251. Starch in - and apple juice determined by a sedimetric method. H. Eckart and A. Diem 524. Pectins Grape - and their influence on wines. L. Semichon and Flanzy 523. Pepper added pepper shells in - ; Detection of. E. R. Smith S. Alfend and L. C. Mitchell 584. Percolation Apparatus for continuous - and for filtration in neutral atmospheres. B. S. Evans 229. Perchlorates Determination of chlorates and -. K. Scharrer 370. Perchloric Acid Determination of -. 0. Loebich 371. Perfumery Parry’s Cyclopaedia of -. (Re-view) E. J. Parry 117. Perhmes Cosmetics Soaps and - with especial reference to Synthetics.(Review), W. A. Poucher 275. Perilla oil; Crystalline bromides of -. 389. Periwinkles Arsenic in -. Permanganate Oxidation of chaulmoogric acid by -. Petrol vapour ; Portable combustion apparatus for detecting and measuring small quantities of - . C. A. Neusbaum P. L. De Verter and E. W. Dean 211. Petroleum Aromatic hydrocarbon content of natural gas -. aromatic hydrocarbons in light - ; Deter-mination of. insecticides ; Relation between effectiveness and composition of -. G. P. Gray and E. R. de Ong 211. oils ; Vacuum distillation test for heavy -. A. G. Peterkin and S . W. Ferris 104, products ; Determination of unsaturated compounds in -. A. W. Francis 534. C. Chilowsky and F. Perrin 53. E. Lasausse 199. method of determining potassium.451. seed and oil. 593. Lead in -. 564. 552. G. A. Perkins 465. A. M. Erskine 476. A. M. Erskine 475 XliV INDEX TO VOLUME LI. Petroleum-continued. products ; Relation between boiling point and some other properties of -. J. B. Hill and S. W. Ferris 105. spirit; Extension of the method of critical solution temperatures for the analysis of -. M. Aubert and E. AubrCe 269. vapour ; Detection of - with the Burrell methane indicator. G. W. Jones and W. P. Yant 104. Pa test of water or unbuffered solutions ; Colori-metric -. value of gastric contents ; Comparison of the electrometric and colorimetric methods of determining -. G . Kahn and J . Stokes, Junr. 528. values ; Methyl orange error in the determina-tion of - by comparison with Clark's buffer solutions.I. M. Kolthoff 423. values ; Stable colorimetric scales for measur-ing -. P. Brukre 424. Pharmacognosy Practical -. (Review) T. E. Wallis 56. Pharmacology of springs and peats; Observa-tions on -. Prof. Zorkendorfer 482. Phenol Aseptosol A new antiseptic - from betel leaves. J . McLang 356. Phenols carbon tetrachloride as a reagent for -; Use of. G. E. Trease and H. Tingey 534. a-Naphthyl isocyanate as a reagent for aliphatic amines and -. H. E. French and A. F. Wirtel 472. Typical reactions of -. H. T. Stern 100. K. Brauer 534. Phenylarsonic Acid as a precipitant for zirconium A. C. Rice H. C. Fogg and Phosphate buffers ; Determination of glucose in RI. B. Visscher 521. Phosphates determination of - ; Rapid R.F. Le Guyon and R. M. New method of evaluating basic E. Vanstone 47. Phosphoric Acid Determination of - as magnesium ammonium phosphate. G. Jorgensen 6 1. in soils ; Colorimetric determination of -. A. Nemec 532. in Thomas phosphates. 70. Phosphorus Colorimetric determination of -. C. H. Fiske and Y . Subbarow 205. Inorganic blood - in rats fed on normal, rachitic and irradiated rachitic diets. R. A. Dutcher M. Creighton and H. A. Rothrock, 206. Photo-Electric determination of coloured gases. H. and A. Copaux 111. Photographic spectro-polarimeter for the ultra-violet. A. Cotton and R. Descamps 164. Photometer for gauging intensity of ultra-violet rays ; Simple portable - . F. W. Alexander 54. and thorium. C. James 318.presence of -. method for. May 48. slags and -. mineral- ; Thomas - ; Phosphoric acid in. 70. White - in matches. 412. Photometric method for measuring the covering power of paints. Photomicrography Practical -. (Review), J. E. Barnard and F. V. Welch 486. Photosynthesis The Assimilation of Carbon by Green Plants. Physical Chemistry Inorganic -. (Review), G. H. Cartledge 217. Practical - and Colloid Chemistry for Students of Medicine and Biology. (Re-view) L. Michaelis 221. Recent advances in Inorganic and -. Physical Methods Abstracts. 53 110 164 216, 269 318 371 427 480 539 596 649. Physico-Chemical methods. (Review) J. Reilly, W. N. Rae and T. S. Wheeler 487. Physics International critical tables of numeri-cal data of -.Physiological action of hashish. Wiechowski, 643. Chemistry ; Practical -. (Review) S. W. Cole 273. Physostigmine Methyl red as indicator for -. 316. Phytin content of foodstuffs. H. P. Averill and C. G. King 252. Picrotoxin Poisoning by -. 410. Pig fat in the - on a ration moderately low in f a t ; Formation of. N. R. Ellis and 0. G. Hankins 153. Pigment blood- ; Reaction of potassium fem-cyanide with the -. M. Nicloux and J. Roche 95. Pigments Ancient Egyptian -. 442. Pilocarpine Bromophenol blue as indicator for Piperonal in vanilla extract. C. B. Gnadinger, 417. Pips of limes; Oil from -. S. C. Marshall and M. S. Salamon 237. Pitches Blacks and -. (Review) H. M. Langton 168. Pituitary Gland. Aqueous extract of the posterior lobe of the -.Suggested standard. 196. Plantain (banana) flour. E. A. UllBn 634. Plants arsenic in - ; Occurrence of. 549. Assimilation of carbon by green -. Photo-synthesis. (Review) W. Stiles 326. Benzidine as a reagent for living -. C. Rouppert 259. Plasma beef- ; Concentrations of certain con-stituents in normal -. C. s. Robinson and C. F. Huffman 257. H. D. Bruce 371. (Review) W. Stiles 326. (Review) A. W. Stewart 541. (Review) 482. -. 316. Plaster used in ancient Egypt. 441. Plated Articles Examination of - . A. Platinum Metals Adsorption of - by ferric Qualitative separation of the -. S. C. Separation of iron from -. Sauerland 109. hydroxide. 394. Ogburn 647. 392. '' Plu-Perfect '' Cleaning Fluid 185. Poison and Pharmacy Acts Committee on -.464 INDEX TO VOLUME LI. XlV Poisoned grains ; Determination of strychnine in- . J . W. Elmore 470. Poisoning aniline - ; A case of. J. Inkster, 641. Animal - cases. 410. by lead tetra-ethyl. C. Norris and A. 0. Gettler 209. by manganese compounds. H. Handovsky and others. 362. by picrotoxin. 410. by sodium nitrite ; Fatal -. J,. Musso, by sodium silicofluoride; Cases of -. Carbon tetrachloride -. L. A. Dingley, Human - cases. 409. Poisonous Fungi ; Edible and -. (Review), Ministry of Agriculture and Fisheries Publication No. 54. 604. Poisons Fluorides and fluosilicates as scheduled Polarimetric determination of sucrosc in sweet-ened condensed milk. P. Honegger 496. examination of oil of cade. R. Massy 466. Polarising microscope as a laboratory instru-ment.A. V. Blom 111. Polluted atmosphere a factor in the deterioration of bookbinding leather. F. P. Veitch, R. W. Frey and L. R. Leinbach 373. See Atmospheric Pollution. smoke - of city air ; Measuring the. J . S. Owens 2. Polymerisation of cholesterol. (Antirachitic sub-stances. IV.) C. E. Hills and F. G. McDonald 469. Polymerised linseed oil. P o ly p hen o 1s mono-molybdophosphotungstic acid as a reagent for vitamins and -; Rapid preparation of. N. Bezssonoff 358. Poppyseed Oil Thiocyanogen absorption of -. 264. Pork Soft - studies. I. Formation of fat in the pig on a ration moderately low in fat. N. R. Ellis and 0. G. Hankins 153; 11. Influence of the ration upon the composition of the body fat of hogs ; 111.Effect of fat in food upon individual fatty acids in the body fat. N. R. Ellis and H. S. Isbell 524. ‘‘ Port ” and ‘‘ Sherry ; ” Uses of the terms -. (Legal Notes) 32 Portland Cement. See Cement. Portsmouth Borough of - ; Annual Report of Public Analyst for 1924. R. P. Page 32 ; for 1925 457. Portuguese oysters ; Arsenic in -. 551. Potassium Determination of - by the cobaltinitrite method. 451. Determination of - by the perchloric acid method. 451. Determination of small amounts of -. M. Delaville and P. Carlier 368. in presence and absence of sulphates ; Deter-mination of -. 641. Liihrig 99. 419. -. 313. water. See Water. Pollution -4tmospheric -. K. 13. Bauer 423. M. A. Hamid 450. Potassium-coat inued. J. Meyerfeld 52.368. sodium in presence of -; Detection of. Volumetric determination of -. K. Meurice, Potassium Bifluoride Analysis of -. Potassium Ferricyanide Reaction of - with the blood pigment. M. Nicloux and J. Roche 95. Potassium Iodate Direct titration of thallous salts by -. potassium iodide and - method for the titration of Kjeldahl distillates ; Use of. H. F. Wilson and F. Mattingley 569. Potassium Iodide and iodate method for titrating Kjeldahl distillates; Use of -. H. F. Wilson and F. Mattingley 569. Potassium Stearate Volumetric determination of sulphates by means of barium chloride and -. H. Atkinson 81. Potato Sweet -. Potatoes specific gravity total solids and starch content of - ; Correlation between, 520. Potentials Electrolytic separations by graded -.A. Lassieur 597. Potentiometric titration of some oxidising acids. M. L. Malaprade 271. Potted Meat Boric acid in -. (Legal Notes), 290. Pottery Ancient Egyptian -. 444. Powder Egg -. Power alcohol production from sugar beet-Prawns Arsenic in -. 553 554. Lead in -. 564. Preservation of eggs; Effect of chemical -upon the stability of their vitamin contents. E. Tso 312. of vitamin C in dried orange juice. G. J . Humphrey 586. Preservatives food - ; Cold storage and. (Parliamentary Notes) 189. Food - ; Some aspects of the new regula-tions on. C. A. Mitchell 372. in food. Public Health Regulations. Draft Rules and Orders 1926. 578. in Food Regulations ; Postponement of -. (Ministry of Health Notice) 351. Preserved eggs ; Fresh and -.G. Filandeau, 197. peas ; Composition of - in relation to their diameter. E. Lasausse 199. peas ; Differentiation of “ regenerated ” -and green -. President Annual address of the -. (G. Rudd Thompson) 120. Pressure Changes in the state of Matter in their dependence upon Temperature and -. The States of Aggregation. (Review) G. Tammann 489. Primeverose and rhamnicogenol the products of enzymic hydrolysis of rhamnicoside. M. Budel and C. Charaux 41. 370. A. J . Berry 137. See Sweet Potato. (Legal Notes) 299. (Report to Minister of Agriculture) 463. C. F. Muttelet 150 xlvi INDEX TO VOLUME LI. Propionic Acid Effect of - on glacial acetic acid. 284. Protein Alcohol-soluble - isolated from polished rice. -containing mixtures ; Method for determining tyramine in -.content of corn (maize) ; Relation of - to specific gravity 519. histidine in - ; Quantitative determination of. M. T. Hanke 204. tyrosine in - ; Quantitative determination of. Ivi. T. Hanke 204. Proteins Analysis of -. VIi. Direct deter-mination of arginine. R. H. A. Plimmer and J . L. Rosedale 309. Chemistry of - and its Economic Applica-tions. Histidine content of a number of -. M. T. Hanke 204. in milk ; Combination of amino-acids and - with acids and alkalis and their com-bining weights. molecular weight of -; New method of determining the. T. Svedberg and R. Fahraeus 216. silver - ; Ol’ficial titles of. J . W. E. Harrison 585. Tyrosine content of a number of -. M. T. Hanke 204.Prnssian Blue Analysis of -. F. G. A. Enna 479. Public Analysts Notes from the reports of -. See Birmingham Durham Kent Kingston-upon-Hull Ministry of Health Portsmouth, Salford and Stepney. Society of - . See Society of Public Analysts. Public Health Bulletins (USA.) No. 144. Comparative tests of instruments for determining atmospheric dusts. 36. (Imported Milk) Regulations 1926. 197. (Imported Milk) Regulations No. 820. Minis-(Preservatives in Food) Regulations. Draft W. F. Hoffman 205. M. T. Hanke 204. (Review) D. Jordan Lloyd 429. L. J . Harris 39. try of Health. 576. Rules and Orders 1926. 578. Publications Received 60 118. Pulp apple - in jam; Detection of. W. Partridge 346. Putrefaction in meat and meat products ; Detection of incipient -.E. Arbenz 250. in meat; Detection of incipient -. R. Herzner and 0. Mann 634. Putrefying organic media ; Changes undergone by alkaloids of the tropine group in -. M. Magnette 419. Pyramidon Colorimetric determination of ferric iron by means of -. H. W. van Urk. 594. Pyrocatechol compounds ; New metallic -and their use in microchemical analysis. A. Martini 646. Pyrotannic Acid method for determining carbon monoxide in blood and in air. R. R. Sayers and W. P. Yant 99. Q Qualitative Organic Analysis ; Introduction to -. (Review) H. Staudinger 488. Organic Chemical Analysis ; A Student’s Manual of Quantitative and -. (Review), J . F. Thorpe and Ivl. A. Whiteley 55. Quantitative Chemical Analysis A Student’s Manual of Qualitative and -.(Review), J . F. Thorpe and M. A. Whiteley 55. Queensland Government Analyst’s Report for 1925. 245. Quinidine Bromocresol purple as indicator for Quinine Bromocresol purple as indicator for Quinosol method of determining copper in food--. 316. -. 316. stuffs; Gravimetric -. 330. R Rabbits Determination of hippuric acid and elimination of benzoic acid as hippuric acid in -. Rachitic and irradiated rachitic diets ; Inorganic blood phosphorus and bone ash in rats fed on normal - . R. A. Dutcher M. Creighton and H. A. Rothrock 206. Rain Nitrogen compounds in snow and -.-520. Rapeseed Oil direct identification of - by isolation of erucic acid ; Method for. A. W. Thomas and M Mattikow 315. Rare Earths Reaction of “ aluminon ” with hydroxides of beryllium zirconium thorium and -.A. R. Middleton 537. Raspberries Refractometric investigation of juice of -. 41. Rats fed on normal rachitic and irradiated rachitic diets ; Inorganic blood phosphorus and bone ash in -. R. A. Dutcher 111. Creighton and H. A. Rothrock 206. Ravison Rape Seed Differentiation of - and black mustard seed. Vizern and Guillot, 262. Rays Ultra-violet -. Reactions Chemical - and volumetric titrations in Wood’s light. R. Mellet and M. A. Bischoff 480. Reagent for alcohols ; Anthraquinone-B-car-boxylic acid chloride as a -. T. Reich-stein 643. for alcohols ; a-Naphthyl isocyanate as a -for aldehydes and ketones; Use of 2:4 dinitrophenylhydrazine as a. 0. L. Brady and G. V. Elsmie 77.for boric acid determinations ; Invert sugar as a -. J. A. M. Van Liempt 293 ; G. van B. Gilmour 404. for diazotisation ; Nitrogen tetroxide as a -B. Houston and T. B. Johnson 102. for living plants; Benzidine as a -. C. Rouppert 259. W. H. Griffith 528. See Ultra-Violet. T. Bickel and H. E. French 263 INDEX TO VOLUME LI. xlvii Reagent-cod inued . for oil extracted by carbon disulphide and identification of olive oil extracted by solvents. S. Fachini 636. for phenols and aliphatic amines ; a-Naphthyl isocyanate as a -. H. E. French and -4. I;. Wirtel 472. for polyphenols and vitamins ; Rapid pre-paration of mono-molybdophosphotungstic acid a s a -. Red formations; The colour of -. G. E. Dorsey 363. Reducing agent ; Vanadous sulphate a new and powerful -.A. S. Russell 267. Reductase test; Stale milk and the -. (Legal Notes) 458. Refractometer immersion- ; Determination of the concentration of liquid soaps by the -. Refractometric determination of alcohols and esters in aqueous and in cottonseed oil solutions. J. C. Munch 314. determination of fat in oil seeds and oil cake. H. Zander 592. Refractometry as an aid to the investigation of fruit juices. H. Eckart 40. Bebigeration Engineering problems in -. 144. Research Department of Scientific and Indus-trial -. See Food Investigation Board. Resin oleo - of Indian valerian root; Chemical constituents of the fatty matter and. K. Bullock 525. Resinous materials Ancient Egyptian -. 444. Resins -4llen’s Commercial Organic Analysis F.Reinitzer 644. N. Bezssonoff 358. sugars ; See Sugars reducing. L. F. Hoyt and A. Verwiebe 427. Vol. IV. 320. Coniferyl reaction of -. Detection of - especially in linseed oil varnishes. K. Brauer 422. Respiratory air ; Oxygen and carbon dioxide limits in -. Restaurants -4dulterated food in -. (Legal Notes) 630. Reviews of Books The titles of books have been treated in the same way as the titles of papers and abstracts and will be found in the General Subject Index and Authors’ Index. 55 112 164 217 272 320 373, 429 482 541 598 650. Revis and Payne method of determining sucrose in sweetened condensed milk; Modification Rhamnicogenol and primeverose the products of enzymic hydrolysis of rharnnicoside. M. Budel and C. Charaux 41.Rhamnicoside Primeverose and rhamnicogenol, the products of enzymic hydrolysis of -. M. Budel and C. Charaux 41. Rhodium Adsorption of - in platinum ore analysis. 394. Rhubarb Action of calcined magnesia in preventing solution of soluble matter in - . 295. Rice Alcohol-soluble protein isolated from polished -. W. F. Hoffman 205. A. Grogli 256. of -. 496. Rice Oil Chemical composition of -. G. S. Rider Analytical balance without -. A. Ropiness “ Apparent - ” (thread formation) A. T. R. Rubber and its uses in Building Works. (Review), Manufacture ; Chemistry of -. (Review), seed oil ; Crystalline bromides of Para -. 390. Synthetic -. (Review) S. P. Schotz 653. Rubidium Analytical chemistry of caesium and -. Ruthenium Study of -. IX.Solubility of - in hypochlorite solutions and an attempt to utilise the reaction for the deter-mination of the metal. J. L. Howe and F. N. Mercer 109. Jamieson 583. Wirth 482. in milk due to surface influence. Mattick 527. H. P. Stevens 434. L. E. Weber 433. W. Strecker and F. 0. Diaz 162. S Safety in Mines Research Board Reports. On the ignition of fire damp. (Paper No. 8). H. F. Coward and R. V. Wheeler 302. On the limits of inflammability of fire-damp and air. (Paper No. 15). M. J. Burgess and R. V. Wheeler 302. Saffron Adulteration of -. G. Pierlot 41. Safrol Toxic action of sassafras oil and - on animals. G. A. Mallinson 46. Sale of Food and Drugs Act Extracts from Annual Report of Ministry of Health for 1925-1926 and abstract of Reports of Public Analysts for 1925.575. Salford County Borough of -. Annual Report of the Borough Analyst for 1925. G. D. Elsdon 570. Lerrigo 79. Saliva stains ; Detection of -. 411. Salmonella Group Further studies of the -. Medical Research Council Report No. 103. 632. Salt complex - of the bases of the diphenyl series ; A new. W. Herzog 592. ‘‘ Salt Licks ’’ Examination of earth from -. 411. Salts Revised nomenclature of -. 193 195. Salts of Mercury Action of - on the veronals. P. Fleury 92. Samples An apparatus for obtaining composite - The miscometer. J Houston 453. Sandmeyer Reaction Standardisation of the - with special applications. H. S. Fry and I. W. Grote 264. Saponin Colour reaction of - with nitrates. C. A. Mitchell 181.Sassafras Oil Toxic action of - and safrol on animals. Sausages Boric acid in -. Label an insuffi-cient declaration. (Legal Notes) 408. Formaldehyde in -. (Legal Notes) 630. Sulphurous acid in -. (Legal Notes) 409. Salicylic Acid Volatility of - . -4. F. G. A. Mallinson 46 xlviii INDEX TO Scales Stable colorimetric - for measuring PH values. P. Bruke 424. Scientific articles not abstracted ; References to Sea Industrial chemicals from the -. G. M. Sea-Water Arsenic in -. 555. Seaweeds Arsenic in -. 559. Boron compound in - 564. Sediment in milk ; Note on the filtration method of measuring -. Sedimetric method of determining starch in pectin and apple juices. H. Eckart and A. Diem 524. Seed of Johannesia Princeps ; Oil and -. G. Etzel and C.G. King 365. Seidlitz Powders Strength of -. Selenium in organic compounds ; Determination W. E. Bradt and R. E. Lyons 643. Separation of tellurium from -. Volumetric determination of tellurium and W. T. Schrenk and B. L. Browning, -. 319 372 429 482 597. Dyson 597. A. R. Tankard 31. 571. of -. 370. -. 647. Self-Raising Flour See Flour. Semen stains ; Detection of -. 411. Serological differentiation of yeasts. F. Otten-sooser 638. variation in the salmonella group. 632. Sewage organic nitrogen in effluents - etc. ; Modification of Kjeldahl method of deter-mining. J . W. H. Johnson 405. oxygen absorbed and albuminoid ammonia in effluents and - ; Method for the combined determination of. J. W. H. Johnson 345. Tsujimoto 49.Shark Liver Oil Fatty acids of -. M. Shaxk Oil Changes in - on blowing. 177. Shes Butter R. Ehrenstein 40. Shell-Fish arsenic compounds in marine crust-aceans and - ; On the presence of. A. C. Chapman 548. lead and other metallic impurities in marine crustaceans and - ; On the presence of. A. C. Chapman and H. Linden 563. '' Sherry " and " Port I' ; Use of the terms -. (Legal Notes) 32. Shrimps Arsenic in -. 554. Sam Report of the Government Laboratory, Bangkok for the two years April 1922 to March 1924. A. Marcan 463. Sickness " Gulf - " and the arsenic theory. A. Juckenack and A. Briining 531. Silica in cement mortar and concrete ; Deter-mination of soluble - . D. Florentin, 480. iron in - ; Determination of small quanti-ties of.606. Silicate deposits in aerated waters in Jerusalem. 301. Silicates iron in - ; Determination of small quantities of. 606. Silk artificial- ; Miscellaneous reactions for VOLUME LI. Silver Absence of mirror formation in Vortmann's method of separating lead and -. G. Vortmann 456. in lead; Wet method for determination of - . B. S. Evans 79. proteins ; Official titles of -. 3. W. E. Harrison 585. Separation of - from lead. G. Vortmann and 0. Hecht 158. used in ancient Egypt. 441. Shed cotton materials ; Determination of deliquescent substances in -. S. M. Neale 645. Skim Milk See Milk. Slag basic. See Basic Slag. Sliding-Gauge colorirneter and determination of small amounts of ammonia nitrites lead and iron. A. L. Bernoulli 649. Smell Odours and the sense of -.J. H. Kenneth 372. Smoke pollution of city air. Smoking habit ; The - and mental efficiency. Snails Arsenic in -. 558. Snow Nitrogen compounds in rain and -. 520. Soaps liquid- ; Determination of the concen-tration of - by the immersion refracts meter. L. F. Hoyt and A. Venviebe 427. Perfumes Cosmetics and - with especial reference to Synthetics. (Review) W. A. Poucher 275. Society of Public Analysts and other Analytical Chemists Address sent by - to the Associazone Italiana di Chimica. 280. 1 169, 605. J. S. Owens 2. 319. North of England Section of the -. Papers read before the - 121. Proceedings of the -. 1 119 169 223, 279 337 547 605. Sodium compounds ; Precipitation of the earth acids by -. (Investigations into the analytical chemistry of tantalum niobium and their mineral associates.VI.) W. R. Schoeller and C. J a b 613. Determination of -. L. Barthe and E. Dufilho 479. in presence of potassium ; Detection of -. J. Meyerfeld 52. Sodium Bicarbonate Analysis of -. Isnard, 357. Sodium Bifluoride Analysis of -Sodium Citrate tablets ; Examination of -. Sodium Cobaltinitrite reagent ; Preparation of 7:6 Sodium Niobate 617. 63odium Nitrite Fatal poisoning by -. L. Musso 641. W. H. Lewis, R. S. Vose and C. D. Lowry 90. Sodium Salicylate tablets ; Examination of -. 183. Sodium Silicofluoride poisoning by -; Cases of. Liihrirr. 99. 370. 184. -. 451. Use of - in curing meats. -. 213. 4:3 Sodium Tantslater. 616 INDEX TO VOLUME LI.xlix Soil acidity ; Colloidal complications in the thiocyanate method of determining -. F. 0. Anderegg and R. P. Lutz 48. Soils acid- ; Aluminium and -. J Line 532. and Manures ; The Science of -. (Re-view) J . A. Murray 115. clay- ; Determination of nitrogen in heavy -. D. V. Bal 101. Mechanical analysis of -. Report and recommendations of Agricultural Education Association Sub-committee. 21 1. Mechanical analysis of New Zealand -. R. E. R. Grimmett 420. phosphoric acid in - ; Colorimetric deter-mination of. A. Nemec 532. Solids Determination of total -. A new . micro-method. A. C. Rottinge 363. non-fatty- ; Relationship between butter fat and-. 611. Total -. Sec Total Solids. Solids-net-Fat in milk ; Relationship between yield butter fat total solids and -.608. Solubility of sparingly soluble substances ; Mitchell 639. Solution critical - temperatures for the analysis of petroleum spirit ; Extension of the method of. M.Aubert and E. Aubrke 269. Solutions aqueous and cottonseed oil -; Refractometric determination of alcohols and esters in. unbuffered Colorimetric P test of water or -. H. T. Stern 100. Solvent Vanadium oxytrichloride as a -. F. E. Brown and J. E. Snyder 50. Solvents in Synthetic Organic Chemistry ; Use of -. Reagent for oil extracted by carbon disulphide and identification of olive oil extracted by -. S. Fachini 636. Soneryl Action of salts of mercury on -. P. Fleury 92. Specific Gravity Determination of the strength of liquid hydrocyanic acid by -.M. Walker and C. J. Martin 202. Falling drop method for determining -. H. G. Barbour and W. F. Hamilton 596. of corn (maize) ; Relation of protein content to -. 519. of fruits ; Correlation between ripeness and -. 520. of potatoes ; Correlation between total solids, starch content and -. 520. Specific Rotation of wheat gliadin. D. B. Dill and C. L. Alsberg 44. Spectro-Polarimeter for the ultra-violet ; Photo-graphic -. A. Cotton and R. Descamps, 164. Spectroscopic observations on cod liver oil. 11. Absorption bands of cholesterol. F. W. Schlutz and M. R. Ziegler 586. 8- Oil and whale oil and spermaceti. E. And& and T. Franpois 200. 179. and -. Method for determining the - . s. J. C. Munch 314. (Review) D. W. McArdle 274. Changes in - on blowing.Saturated aliphatic alcohols from spermaceti E. Andr6 and T. Franvois 644. Spermaceti and sperm oil and whale oil. E. AndrC and T. Frangois 200. Saturated aliphatic alcohols from sperm oil and -. E. AndrC and T. Frangois 644. Spice essential oil in - ; Determination of. C. Griebel 584. Spinacene Contribution to the study of the constitution of squalene (-). I. M. Heilbron E. D. Kamm and W. M. Owens, 535. E. Andri and H. Canal, 48. Squalene and -. Spiney Lobster Arsenic in -. Spirits distilled- ; Rapid determination of alcohol in - and of colour in whiskey. J. F. Williams 583. Spore-bearing bacteria in milk ; Anaerobic -. E. A. Bliss 589. Springs Hot - a t Nasavusavu. C. H. Wright 235. pharmacology of peats and -. Observa-tions on.Prof. Zorkendorfer '482. Spruce turpentine; Borneo1 in -. A. S. Wheeler and C. R. Harris 49. Squdene Spinacene and -. E. Andrk and H. Canal 48. (spinacene);. Contribution to the study of the constitution of - . I. M. Heilbron, E. D. Kamm and W. M. Owens 535. 555. Sqnlil Biological test for -. 196. Stains blood,.saliva and semen - in Indian criminal cases ; Detection of 41 1. Standardisation of collodion membranes ; In-vestigations into the calibration and -. I. C. Lundsgaard and S. A. Holbil 428. of iodine solutions ; Use of hydrazine sulphate for the -. of methods for testing the fastness of dyes. A. Crummett 649. of the Sandmeyer reaction with special applications. H. S. Fry and I. W. Grote, 264. Standards B.D.H. Book of -.(Review), 373. United States Bureau of - ; Organisation and work of. Star Anise Oil Colour reaction distinguishing between aniseed oil and -. W. v. d. D. Mareeuw 254. Starch content of potatoes ; Correlation between specific gravity total solids and -. 620. corn- ; Occurrence of gentiobiose in the pro-ducts of the commercial hydrolysis of -. H. Berlin 635. in pectin and apple juices ; Determination of - by a sedimetric method. H. Eckart and A. Diem 524. solution for use in iodimetric titrations ; Preparation of -. C. L. Alsberg E. P. Griffing and J . Field 371. Sweet potato - in cornflour and arrowroot. J . R. Stubbs 400. Unsaturated fatty acids associated with corn (maize) -. T. C. Taylor and L. Lehrman, 464. E. Csttelain 317. G.K. Burgess 319 1 INDEX TO VOLUME LI. Starches Behaviour of different - towards dyestuffs and iodine. J . Hubner and K. Venkataraman 351. Stearate method of titrating ammonium sulphate. H. Atkinson 140. Steel alloy- ; Determination of cerium in -. K. Swoboda and R. Horny 215. Stepney Metropolitan Borough of -. Annual Report of the Borough Analyst for 1925. 513. Sterilisation of Water by Gaseous Chlorine. (Review) 545. Stabllity of evaporated milk during -. A. G. Benton and 13. G. Albery 413. Stone used in ancient Egypt. Storage Effect of - on the antirachitic factor of cod liver oil when mixed with ground grains. ’ E. B. Hart H. Steenbock and S. Lepkovsky 94. of eggs. (Food Investigation Board Report, No. 26) 247. of vitamin A ; Quantitative study of -.H. C. Sherman and M. L. Cammack 360. Strophanthus Suggested standard for -. 196. Strychnine in poisoned grains ; Determinination 446. of -. J. W. Elmore 470. Methyl red as indicator for -. Proof of fatal dose of -. 316. V. Mount 531. Students Manual of organic chemical analysis, qualitative and quantitative for -. (Review) J . F. Thorpe and M. A. Whiteley, 55. of Medicine and Biology ; Practical Physical and Colloid Chemistry for -. (Review), L. Michaelis 221. Sucrose Determination of fructose inulin and - . W. R. Campbell and M. I. Hanna 582. in sweetened condensed milk ; Polarimetric determination of -. P. Honegger 496. Sugar-beet ; Power alcohol production from -. (Report to Minister of Agriculture), 463. blood - values ; Correction of Folin-Wu.B. L. Oser and W. G. Karr 258. in blood and cerebrospinal fluid; Com-parison of the Folin-Wu and the new Benedict method for -. J. D. Lytttle and J. E. Hearn 466. in blood and in normal urine ; Determination of -. 0. Folin 309. in blood and normal urine ; Determination of -. S. R. Benedict 467. Influence of - on the determination of ammonia in grape must. J . Ventre and E. Bouffard 352 353. in opium ; Determination of total alkaloids, oily substances and -. J . N. Rakshit, 491. in sweetened condensed milk ; Calculation of -. 498. in urine ; A more specific reagent for deter-mination of -. Invert - as a reagent for boric acid deter-minations. J. A. &I. van Liempt 293; G. van B. Gilmour 404. J. B.Sumner 45. Sugar-continued. solutions ; Measurement and significance of the surface tension of -. P. Honig 427. mercuric salts. L. Semichon and Flanzy, 352. Sugars in honey ; Determination of -. F. Lucius 581. Oxidation products of - in their order of degree of oxidation. 522. reducing- ; Determination of - by means of Fehling’s solution. Sweetness of - . Beister Wood and Wahlin 255. Sulphates potassium in presence and absence cf -; Determination of. M. A. Hamid, 450. Volumetric determination of - by means of barium chloride and potassium stearate. H. Atkinson 81. Sulphites in foodstuffs ; Simple method of test-ing for -. Sulphur bacteria as indicators in the investiga-tion of polluted water ; Use of -. D. Ellis 530. compounds ; Revised nomenclature for in-organic - .194 195. -containing compound (thiasine) in the blood ; Xew -. S. R. Benedict E. B. Newton, and J. A. Behre 257. Flowers of -. in iron; Determination of -. K. K. Jarvinen 595. Micro-analytical determination of halogens and -. A. RCcsei 647. Sulphur Dioxide in presence of excess of air; Determination of -. E. D. Ries and L. E. Clark 477. Sulphuric Acid as “ goitre cure.” (Legal Notes) 460. Sulphurous Acid in sausages. (Legal Notes), 409. surface Chemistry. (Review) E. K. Rideal 598. influence “ Apparent ropiness ” (thread formation) in milk due to -. A. T. R. Mattick 527. tension of sugar solutions ; illeasurement and significance of the -. P. Honig 427. Sweet Clover Coumarin content and nutritive value of -.519. Sweet Potato starch in cornflour and arrowroot. J. R. Stubbs 400. Sweetness of sugars. Beister Wood and Wahlin, 255. sweets Sulphur dioxide as bleaching agent in Synonyms Chemical - and Trade Names. (Review) W. Gardner 654. Syntheses Organic -. Vol. IV. (Review), 0. Kamm 55 ; Vol. V. C. S. Marvel 378 ; Vol. VI. H. Gilman 663. Synthesis of benzene derivatives. (Review), S. C. Bates 430. Synthetic Organic Chemistry ; Use of Solvents in -. solutions (wines) ; Clearing of - bY H. L. Hind 352. A. E. Parkes 620. (Legal Notes) 239. -. 571. (Review) D. W. McArdle 274. Rubber. (Review) S. P. Schotz 653 INDEX TO VOLUME LI. li Synthetics Perfumes Cosmetics and Soaps, with especial reference to the -. (Re-view) W. A. Poucher 275.Syrup glucose- ; Use of - in the titration of borax. L. S. Weatherby and H. H. Chesny 538. T Tableb drug - ; Examination of. J . F. formalin - . Determination of formalde-I. 'A$. Kolthoff 254. Liverseege 182. hyde in. Talc Purified -. 182. Tannic Acid Examination of commercial -. W. B. Forbes 200. Tannin in fermentation vinegar ; Detection of -. G. Reif 41. in Kaw Nun oak. 463. Tanning materials ; Fluorescence of acetone extracts of -. T,. Meunier and A. Jamet 481. TIlnnins for wine making. Tantalum analytical chemistry of niobium, - and their mineral associates ; Inves-tigations into the. VI. The precipitation of the earth acids by sodium compounds. W. R. Schoeller and C. Jahn 613. G. W. Sears, 215. 'Tartar Emetic Lead and arsenic in -.E. Griffiths- Jones 201. Tartaric Acid in self-raising flour ; Rapid sorting test for small quantities of -. A. F. Lerrigo 180. Tartrate in mixtures ; Test to show the absence of citrate or -. Tea Metallic iron in -. (Legal Notes) 573. Technology International critical tables of numerical data of -. Tellurium Electrometric determination of -. W. T. Schrenk and B. L. Browning 162. Separation and determination of -. A. Brukl and W. Maxymowicz 369. Volumetric determination of selenium and -. W. T. Schrenk and H. L. Browning, 647. Temperature Changes in the state of matter in their dependence upon Pressure and -. The States of Aggregation. (Review) G. Tammann 480. corrections of BaumC hydrometer readings. C. F. Snyder 427.of air currents; Measurement of variations in - . 190. Temperatures critical of solutions for the analysis of petroleurn spirit ; Extension of the method of. M. Aubert and E. Aubrbe, 269. Effect of high - on the accessory food factor content of cod liver oil. H. 1%'. Southgate, 94. Effect of low - on hens' eggs. T. Moran, 39. Ignition of ether a t low -. H. B. Dixon 153. F. Levallois 200. Separation of niobium and -. J. B. Peterson 49. (Review) 482. Textile fabrics of ancient Egypt. 446. Thallium Determination of -. W. Strecker and P. de la Pena 160 ; F. Mach and W. Lepper 367. Thallous Salts Direct titration of - by potassium iodate. A. J. Berry 137. Thebaine Methyl red as indicator for -. 316. Therapeutic substances ; Biological testing of Thermometer Calibration of kata -.191. Gallium-in-quartz - graduated to 1000°C. S. Boyer 110. Thiasine in the blood ; New sulphur-containing compound (-). S . R. Benedict E. B. Newton and J . A. Behre 257. Thiocyanate method of determining soil acidity ; Colloidal complications in the -. F. 0. Anderegg and R. P. Lutz 48. Thiocyanates free from iron ; Preparation of Thiocyanogen absorption of oils and fats. H. P. Kaufmann 264. value ; The -. A new constant of oils and fats. H. P. Kaufmann 157. Thomas Phosphates Phosphoric acid in -. 70. Thorium Phenylarsonic acid as a precipitant for zirconium and -. A. C. Rice H. C. Fogg and C. James 318. Reaction of " aluminon " with hydroxides of beryllium rare earths zirconium and -. A. R.Middleton 537. Thyroid Gland iodine in - . Method for determining. F. A. Pickwokh 92. Tin corrosion and blackening in certain marine products. D. B. Dill and P. B. Clark 413. Tinct. Limonis Fortis B.P.C. Vitamin content of -. S. G. Willimott and F. Wokes 530. Tincture of cardamonis ; Colour of compound - . R. R. Bennett and G. Middleton, 525. Tins " blown " - ; Freshly-ground mifee and. T. R. Shaw and R. C. Frederick 308 ; J . W. Black 403. Tissue Muscle -. Tissues animal- ; Determination of small amounts of lead in - . R. Nakaseko and I. Nakano 46. animal- ; Nitrates in vegetable and -. E Kohn-Abrest and S. Kawakini 585. calcium in - faeces and milk ; Determina-tion of. iron in blood - and urine; Determina-tion of. vegetable- ; Nitrates in animal and -.E. Kohn-Abrest and S. Kawakibi 585. Titanium Salts Effect of zirconium manganese and - on nutrition. Richet Gardner and Goodbody 98. Titanous Chloride Determination of nitro-compounds by reduction with -. I. M, Kolthoff and C. Robinson 263. Titanous Sulphate solution ; Air oxidation of -. Vanadous sulphate a new and powerful reducing agent. A. S. Russell, 267. -. 196. -. 506. See Muscle. R. C. Corley and W. Denis 208. F. S. Fowweather 309 V U L U l V l L L I . Titration Acidimetric - and composition of commercial lactic acid. R. Eder and F. Kutter 533. electrometric- ; New type of end-point in -and its applicability to iodimetry. C. W. Foulk and A. T. Bawden 539. Formaldehyde - of certain amino-acids. S. L. Jodidi 263.of Kjeldahl distillates ; Use of the potassium iodide and iodate method for -. H. F. Wilson and F. Mattingley 569. Titrations Indicators for alkaloidal -. H. Wales 316. iodimetric ; Preparation of starch solution for use in - . C. L. Alsberg E. P. Griffing and J . Field 371. Volumetric - and chemical reactions in Wood’s light. R. Mellet and M. A. Bischoff, 480. Tobacco citric acid and malic acid in - ; Determination of. H. Rundshagen 645. fermentation of dried - ; Researches on. I. Methods for separating nicotine and ammonia. A. Fodor and A. Reifenberg, 98. from Palestine Nigeria and Mauritius. 482. glycerin in - ; Detection and determination medical aspect of -; An address on the. nicotine in - * Determination of. H. The smoking habit and mental efficiency.Todatus Sagittatus Lk. Cuttlefish oil Toffee Sulphur dioxide as bleaching agent in Tomato juice ; Effect of fermentation with specilic micro-organisms on the vitamin C content of orange and -. S. Lepkovsky and E. E. Hart 155. Tomatoes canned - ; Adulteration and mis-branding of. United States v. A. J. Lewis. (Legal Notes) 34. Organic acids of -. Total Alkaloids in opium; Determination of - J. N. Rakshit 491. Total Soids Determination of - A new micro-method. A. C. Rottinge 363. in milk ; lielationship between yield butter fat solids-not-fat and -. 608. in potatoes ; Correlation between the specific gravity starch content and -. Toxic action of sassafras oil and safrol on animals. G. -4. iMallinson 46. Toxicity of carbon tetrachloride.M. Khalil, 260. of the lupine alkaloids ; Relative -. J. F. Couch 361. Toxicological abstracts. 46 99 208 260 313, 361 419 470 531 590 641. investigations on mandibulate insects ; Quan-titative -. Toxicology of methyl alcohol. 0. Windhausen, 590. of. A. C. Chapman 382. H. Rolleston 319. Rundshagen 15i. J. K. Earp 319. (-). E. Andrk and H. Canal 473. -. 571. A. Borntrager ‘151. 520. F. L. Campbell 313. Trade Names; Chemical Synonyms and -. (Review) W. Gardner 654. Transparency of natural waters to ultra-violet rays. Trinidad and Tobago Report of the Govern-ment Analyst for the year 1926. H. Shrewsbury 462. Tropine Group of alkaloids ; Changes undergone by - in putrefying organic media M. Magnette 419. Tryptophane in proteins ; Colorimetric determin-ation of tyrosine cystine and -.11. J . M. Looney 588. Tuberculin -tested milk. (Parliamentary Notes), 244. Tuberculous cows. See Cows. Tubers Analysis of dahlia - and preparation of laevulose. R. F. Jackson C. G. Silsbee and M. J. Proffitt 304. Tuns Oil A test for Chinese wood oil (-). E. R. Bolton and K. A. Williams 335. Thiocyanogen absorption method of deter-mining the composition of Chinese wood oil (-). H. P. Kaufmann 473. Turbidimeter for measurement of low turbidities. J. R. Bayliss 270. Turbidities Turbidimeter for measurement of low -. J . R. Bayliss 270. Turpentine Borneo1 in spruce -. A. S . Wheeler and C. R. Harris 49. Tntankhamen Tomb Cosmetic from -. 448. Typhoid bacillus ; Action of - on milk.C. Gorini 641. Tyramine in protein-containing mixtures ; Method for determining - . M. T. Hanke 204. Tyrosine content of a number of proteins. M. T. Hanke 204. in protein ; Quantitative determination of histidine and -. in proteins ; Colorimetric determination of tryptophane cystine and -. 11. J. M. Looney 588. J. Duclaux and P. Jeantet 112. M. T. Hanke 204. U Ulba-Filtration nickel membranes for - ; Preparation of. J . Manning 428. Ultra-Violet light ; Destruction of vitamin A in milk by - R. W. Titus J. S . Hughes W. R. Hinshaw and J. B .Fitch, 530. light received by hens ; Relation between the amount of - and the amount of antirachi-tic vitamin in eggs produced. J. S. Hughes, L. F. Payne R. W. Titus and J. M. Moore, 207.light ; Use of - in the examination of foods. Popp 540. Photographic spectro-polarimeter for the -. A. Cotton and R. Descamps 164. rays ; Simple portable photometer for gauging intensity of -. rays ; Transparency of natural waters to -. J. Duclaux and P. Jeantet 112. F. W. Alexander 54 INDEX TO VOLUME LI. %i United Provinces of Agra and Oudh Annual Report of the Chemical Examiner for the year 1965. 349. United States of America Bureau of Standards ; Organisation and work of the -. G. K. Burgess 319. Department of Argiculture. Food Inspection Decisions. No. 198 Wine vinegar grape vinegar and malt vinegar. 679 ; No. 199 : Gluten flour self-raising " diabetic " food, and canned pea grades 580; No. 200. Milk and its Products 580 ; No.201 : Glucose Mixing glucose Confectioner's glucose. 581. Public Health Bulletin No. 144. Compara-tive tests of instruments for determining atmospheric dusts. 36. Unsaponifiable matter in wheat flour alimentary pastes and eggs; Determination of -. R. Hertwig and L. H. Bailey 306. Unsaturated compounds in petroleum products ; Determination of - . A. W. Francis, 534. fatty acids associated with corn (maize) starch. T. C. Taylor and L. Lehrman 464. hydrocarbons in motor fuels ; Determination of aromatic naphthene paraffin and -. G. Egloff and J . C. Morell 316. Uranium Determination of -. G. E. F. Lundell and H. B. Knowles 52. in uranium ores ; Volumetrie determination of vanadium copper iron and -. A. S. Russell 268. ores ; Volumetric determination of uranium, vanadium copper and iron in -.A. S. Russell 268. Uranous Sulphate in volumetric analysis ; Use of -. G. Vortmann and F. Binder 158. Urea Formation of - and of a substance giving the same colour reaction as formalde-hyde with hydrazine on heating vegetable juices. R. Fosse 153. Quantitative determination of minute amounts of -. J . T. Wearn and A. N. Richards, 154. Urease Isolation and crystallisation of the enzyme -. Recrystallisation of -. J . B. Sumner 636. Uric Acid in blood ; Determination of -. H. Brown 357. Isolation of a new substance from blood and its bearing on present methods for determining -. Urine acetone bodies in blood and - ; Colori-metric method for determining. J. A. Behre and S. R. Benedict 639.bismuth in - * Determination of small quantities of. 6. A. H~U 97. blood in - ; Detection of. G. Poirot and A. Lambert 642. cystine in - * Determination of. H. B. Lewis and R. 'H. Wilson 589. in water ; Identification of -. W. Austen, 210. iron in blood tissues and -;. Determina-tion of. J. B. Sumner 587. G. Hunter and B. A. Eagles 95. F. S. Fowweather 309. UTinecontitz ?led. Organic acids in -. sugar in - ; A more specific reagent for determining. J. B. Sumner 45. sugar in blood and in normal -; Deter-mination of. 0. Folin 309. sugar in normal - and blood ; Determins-tion of. S . R. Benedict 467. W. W. Palmer 418. V Vacuum distillation test for heavy pe troleu 111 oils. A. G. Peterkin and S. W. Ferris 104. Valerian root; Chemical constituents of the oleo resin and fatty matter of Indian -.K. Bullock 525. Vanadium Colorimetric determination of -. J . Meyer and A. Pawletta 595. in uranium ores ; Volumetric determination of uranium copper iron and -. A. S. Russell 268. Vanadium Oxytrichloride as a solvent. I;. li. Brown and J. E. Snyder 50. Vanadous. Sulphate A new and powerful reducing agent. Air oxidation of titanous sulphate solution. Vsnilla extract; Piperonal in -. C. B. Gnadinger 417. J B. Wilson and J. W. Sale 253. Vapour petrol- ; Portable combustion apparatus for detecting and measuring small quantities of -. C. A. Neusbaum P. L. D. Verter and E. W. Dean 211. with the petroleum- ; Detection of -Burrell methane indicator. G . W. Jones and W. P. Yant 104.Varnish used in ancient Egypt. Varnishes Cellulose Ester -. (Review) F. Sproxton 166. resins in linseed oil - ; Detection of. K. Brauer 422. Vegetable juices ; Formation of urea and of a substance giving the same colour reaction as formaldehyde with hydrazine on heating -. R. Fosse 153. tissues ; Nitrates in animal and -. E. Kohn-Abrest and S. Kawakibi 685. Vegetables Preservation of -. 143. Velvet Bean Water-soluble vitamin content of -. W. D. Salmon and E. R. Miller 260. Ventilation Methods of investigation - and its effects. (Medical Research Council Reports) 190. Veronal Action of salts of mercury on -. I?. Fleury 92. Scheduling of - and the barbitone group. (Dangerous Drugs Act) 248. Vessel Solubility of cooking - metals and determination of the dissolved metals.K. K. Jarvinen 43. Vinegar tannin in fermentation - ; Detection of. G . Reif 41. Wine - grape - and malt -. U.S. Food Inspection Decision No. 198. A. S. Russell 267. oleoresins ; Analysis of commercial -. 442. 679 liV INDEX TO VOLUME LI. Viscera datura in decomposed - Applica-bility of the mydriatic test to the detection of -. Vitamin antirachitic ; Relation between amount of ultra-violet light received by hens and amount of - in eggs produced. J. S. Hughes L. F. Payne R. W. Titus and J . M. Moore 207. content of Tinct. Limonis Fort. R.P.C. S . G. Willimott and F. Wokes 530. contents of eggs ; Effect of chemical preserva-tion upon the stability of the -. E. Tso 312. fat-soluble - content of eggs preserved by different methods ; Variations in -.I. A. Manville 359. potency of cold-pressed cod-liver oils ; Eifect of -. A. D. Holmes and iLI. G. Pigott, 207. studies. XI. Inorganic blood phosphorus and bone ash in rats fed on normal rachitic and irradiated rachitic diets. R. A. Dutcher &I. Creighton and H. A. Rothrock 206. IVater-soluble - content of the velvet bean. W. D. Salmon and E. R. Miller 260. Vitamin A chemical nature of - ; Studies on the. J. C. Drummond H. J . Channon and K. H. Coward 312. Colour reactions associated with -. W. R. Fearon 311. Colour reactions of -. T. Cocking and E. A. Price 529. Delicate colour reaction for the presence of -. 0. Rosenheim and J. C. Drummonti, 93. Inactivation of - by rancid fat. W. C.Powick 259. in milk ; Destruction of - by ultra-violet light. R. W. Titus J. S. Hughes W. R. Fnshaw and J. B. Fitch 530. in oleo oil ” and oleostearine. K. Hoagland and G . G. Snider 311. storage of - ; Quantitative study of. H. C. Sherman and M. L. Cammack 360. Vitamin B from wheat germ ; Observations on the extraction of -. E. V. McCollum and H. D. Kruse 360. Solubility of - in benzene. R. It. Williams and R. E. Waterman 470. Vitamin C content of orange and tomato juice ; Effect of fermentation with specific micro-organisms on the -. S. Lepkov-sky and E. B. Hart 155. in dried orange juice ; Preservation of --. G. J. Humphrey 586. Vitamins in canned food. IV. Green peas. W. H. Eddy E. F. Kohman and V. Carlsson, 207. in canned peaches.E. F. Kohman W. H. Eddy V. Carlsson and N. Halliday 260. in heat-sterilised food. C. 31. Dugdale and R. J . Munro 359. mono-molybdophosphotungstic acid as a reagent for polyphenols and - ; Rapid preparation of. N. Bezssonoff 368. D. N. Chatterji 344. Vibamins-continued . water-soluble - of yeast extracts of varied origin ; Differences in. L. Randoin and R. Lecocq 469. M. Nierenstein 569. R. F. Le Guyon 536. G. Vort-mann and F. Binder 158. Vortmann’s method of separating silver and lead ; Absence of mirror formation in -. G. Vortmann 456. Volatile liquids ; Flask for recovery of -. Volumetric Analysis Centrifuging in -. Use of uranous sulphate in -. W Water analysis ; Abstracts. 48 100 210 362, analysis ; Application of Evans’ apparatus for Cobalt chloride as indicator for -.Colorimetric PR test of - or unbuffered solutions. H. T. Stem 100. content of liquid glue ; Determination of -. W. A. Kingman 212. drinking- ; Chlorinated - and its use in the preparation of canned foods. H. Serger 362. in apples ; Excess -. A legal defence. (Legal Notes) 574. in butter; Excess - and a label warranty. (Legal Notes) 348. in butter ; Excess -. Case dismissed on legal grounds. (Legal Notes) 629. in cloves; Determmation of -. 152. in compounds ; Revision of nomenclature. 193 195. in methyl alcohol ; lletermination of small quantities of -. M. M. Rising and J. S. Hicks 472. polluted- ; Use of sulphur bacteria as indicators in the investigation of -. D. Ellis 530. Sterilisation by Gaseous Chlorine.(Review), 545. urine in - ; Identiiication of. W. Austen, 810. Water-Qas iodine in - ; Occurrence of. H. MohorEiE 51. Water-Soluble growth-promoting annd anti-neuritic substances ; Differentiation be-tween the -. S. M. Hauge and C. \Y. Carrick 586. vitamin. See Vitamin. Silicate deposits in. 301. iodine in natural ; Determination of. H. W. Brubaker H. S. Van Blarcom and S. H. Walker 471. natural- ; Transparency of - to ultra-violet rays. Wax Flax -. in opium ; Determination of -. 494. Paraffin -. 471. filtration to -. 233. 412. Waters aerated - in Jerusalem ; J. Duclaux and P. Jeantet 112. W. Honneyman 535. I,. l3. Wyant and L. G. Marsh, 106 INDEX TO VOLUME LI. lv Weighing by hydrostatic compensation. M. Guichard 596. Whale Oil and sperm oil and spermaceti. E. Andri and T. Franqois 200. Changes in - on blowing 177. Wheat Age of - determined from tempera-ture of germination. flour. See Flour. germ; Observations on the extraction of vitamin B from -. E. V. McCollum and H. D. Kruse 360. gliadin ; Preparation solubility and specific rotation of -. D. €3. Dill and C. I,. Alsberg 44. 0. Munerati 261. Whelks Arsenic in -. 552. Lead and copper in -. Whiskey colour in -; Rapid determination of alcohol in distilled spirits and of. J . F. Williams 583. White Phosphorus in matches. 412. Wincarnis Sale of - without a licence. Sharp z). Sparkes. Wine making ; Tannins for -. F. Levallois, 200. Meat - deficient in meat extract. (Legal Notes) 460. medicated- ; Sale of - without a licence. (Legal Notes) 186. medicated- ; Sale of - without a licence. Sharp ‘u. Sparkes. Non-alcoholic meat and malt -. (Legal Notes) 514. Wines Clearing of sugar solutions (-) by mercuric salts. L. Semichon and Flanzy, 352. colouring matters in - * Behaviour of gelatin towards. A. Kkkton and F. Mayer 363. Grape pectins and their influence on -. L. Semichon and Flanzy 523. Wood charcoals ; Identification of “ Norit ” and other -. Distillation ; Technology of -. (Review), M. War 59. lignin in - ; Distribution of. G. J . Ritter, 60. oil ; A test for Chinese - (tung oil). E. R. Bolton and K. A. Williams 336. oil ; Thiocyanogen absorption method of determining the composition of Chinese - . H. P. Kaufmann 473. Wood’s Light Chemical reactions and volumetric reactions in - . K. Mellet and M. A. Bischoff 480. Wool alkali and acid in - ; Determination of. H. R. Hirst and A. T. King 212. “ Artificial - ” Misuse of terms. 244. Wormseed Oil American -. A. Hogstad, Junr. 366. Worstall’s test for tung oil; Modification of - . 336. 564. (Legal Notes) 627. (Legal Notes) 627. H. G. Tanner 50. Writing Deciphering chemically bleached -by means of dyes. R. Mellet and A. Bischoff 100. Writing Inks acidity of - * Electrometric determihation of. H. A. Bromley and A. de Waele 667. X Xanthin Reaction for -. G. Schweitzer, Xylene Separation of formic acid in food J . K. 466. products by distillation with -. Morton and G. C. Spencer 415. Y Y m Glycerin in cloth or -. Yarns glycerol in cotton cloth and sized - . Detection and determination of. G. Smith; 266. Year-Book The Chemist’s - . (Review), F. W. Atack 322. Yeast extracts of varied origin ; Differences in water-soluble vitamins of -. L. Randoin and R. Lecocq 469. Foods made from -. E. Stem and H. Becker 260. nitrogenous constituents of - ; Simpler. I. Choline and nicotinic acid. H. B. Vickery, 468. Yeasts Serological differentiation of -. F. Ottensooser 638. Yocco A new caffeine-containing drug. E. Perrot and A. Rouhier 465. Yo& as a dietetic food and medicine. T. Stathopoulo 414. Yohimbine Methyl red as indicator for -. 316. 646. Z Zeisel method of determining methoxy groups ; Use of acetic anhydride in -. M. Nieren-stein 456. Zinc Oxide iron in - Determination of small quantities of. 666. Zirconium Attempted separation of hafnium and - by ionic migration. J . Kendall and W. West 647. Phenylarsonic acid as a precipitant for thorium and -. A. C. Rice H. C. Fogg and C. JamFs 318. Reaction of aluminon ” with hydroxides of beryllium rare earths thorium and -. A. R. Middleton 537. Separation of - from iron and aluminium. R. Lessing 161. Ziroonium Salts Effect of titanium manganese md - on nutrition. Richet Gardner and Goodbody 98. PRINTED BY W. HEFFER AND SONS LTD. CAMBRIDGE ENGLAND