THE ANALYST J. W. BROWN Ph.D. A.I.C. S. G. CLARKE Ph.D. BSc. F.I.C. J. GRANT Ph.D. M.Sc. F.I.C. D. G. HEWER B.Sc. R. F. INNES F.I.C. THE ORGAN OF THE T. H. POPE BSc. F.I.C. P. H. PRICE BSc. W. R. SCHOELLER Ph.D. W. P. SKERTCHLY F.I.C. Society of Public Analysts and other Analytical Chemists A MONTHLY JOURNAL DEVOTED TO THE ADI’ANCEMEN‘L’ OF ANALYTICAL CHEMISTRY I;)ubtication Committee : J. T. DUNN D.Sc. F.I.C. (President). A. L. BACHARACH B.A. F.I.C. E. RICHARDS BOLTON F.I.C. A. CHASTON CHAPMAN F.I.C. F.R.S. H. E. COX hiI.Sc. Ph.D. F.I.C. CECIL H. CRIBB B.Sc. F.I.C. BERNARD DYER D.Sc. F.1 .C. B. S. EVANS M.B.E.,M.C. PbD. F.I.C. J. T. HEWITT M.A. Ph.D. D.Sc., F.R.S. Won. Secretarp : F. W. F. ARNAUD F.I.C. E. HINKS M.B.E. BSc. F.I.C. W.G. MESSENGER B.Sc. F.I.C. G. W. MONIER-WILLIAMS O.B.E., M.C. Ph.D. F.I.C. W. PARTRIDGE F.I.C. P. A. ELLIS RICHARDS F.I.C. W. H. SIMMONS BSc. F.I.C. J. AUGUSTUS VOELCKER C.I.E., M.A. Ph.D. F.I.C. bon Greaeurer : E. B. HYGHES M.Sc. F.I.C. Zbftor C. AINSWORTH MITCHELL M.A. D.Sc. F.I.C. VOL. LVI. 1 9 3 1 PIJRLISHED FOR THE SOCIICTY RY W. HEFFER Sr SONS LTD. 4 PETTY CURY CAMBRIDGE ENGLAND 193 Errata Vol. LIV. 1929. P. 366 line 2 from the bottom for “ 1133-1141 ” read “ 181-189.” P. 367 line 6 from the bottom f o r “ 73-81 ” read “ 324-333.” P. 368 line 7 from tff” bottoni,for “ 1121-1132” read “ 169-180.” P. 370 line 13 for 975-994” read “ 23-42.” Vol. 1,V. 1930. P. iii. of Index. The last item in the list of errata (P. 607) refers to Vol.LIV 1929, and not to Vol. LV. 1930. P. 349. P. 371 line 6 from the bottom for “iron content” read “phosphorus content.” P. 747 line 18 from the bottom for “ Bromphenol” mud “ Hromthyniol.” P. 21 line 7,for,::1925” read “ 1926.” P. 134 line 15 for “ 22 ” read 20.” P. 250 line 21 for “ 2 per cent.” read ‘‘ 10 per cent.” P. 276 line 34 for “ 27-30” read “ 27-83.” P. 296 line 15 for “0.2 mgrm.” reud “0.2 grin.” P. 303. P. 334 line 4 for “ClO3’’ read “ KClO,.” P. 334 line 5 from the bottom for “determined from the data . . .” read “determined. the data. . . .” P. 397 line 4 of the Note. P 421 line 19,for “Lamy” read ‘‘Lkmy.” P. 508 line 4 for “L. Marks” read “ S. Marks.” P. 632 line 15 from the bottom for In the abstract of the paper by Wagenaar for “cystine” read “cytisine.” Vol.LVI. 1931. The legends beneath the lower block should be reversed “ C ” represents silver salicyl-ate; “ D” silver benzoate. From The reference to Lerrigo should read “ 1930 433 ’” and not “ 1931,433.” that more than traces of tannin are present” read “that not more than traces of tannin are present.” INDEX TO VOLUME LVI. INDEX TO NAMES. A Abderhalden E. Handbuch der Biologischen Arbeitsmethoden. Lieferung No. 308. Die Methoden der Ligninforschung by ‘v“. FUL~IS. Die Terpene by K. Bournot (Review) 422. Abe J. See Kobayashi K. Abeledo C. A. and Kolthoff I. lua. Iodimetric titration of iodide and nitrite 688. Abribat F. Electrometric analyses of solutions of hypochlorites 765. Ackermann W. Determination of metallic iron in ores 205.Acree S. F. See Kline G. M. Adam W. B. Hardy F. and Nierenstein M. Catechin of the cacao bean 270. Agnew W. J. A new method for determining traces of chromium in steel 24. Ahmad B. and Drummond J. C. Characterisa-tion of vitamin A . 11. Biological experiments. 545. Allport N. .L. A new method for detecting decomposition products in anaesthetic chloro-form 706. Allyn L. B. Hydrogen sulphide poisoning 330. Ambler,. H. R. The determination of small quantities of methane 635. - The direct determination of nitrogen in gases 804. Ambrose P. M. See Wiley R. C. Amelink J. F. €1. ,4 system for the micro-chemical identification of alkaloids 418. -- Microchemical identification of Harmine and Harmaline 419. Amor A. J. Pathology of some Industrial Poisons 559.Amos A. J. and Kent-Jones D. W. The “rope” spore content of flour and its sig-nificance 572. Ando N. See Tamaru S. Andrew R. H. See Fenger I;. Andrews J. T. R. and Folzenlogen R. CS. Laboratory bleaching technique for fatty olis 4‘76. Ansbacher S. Remington R. E. and Culp, F. B. Copper determination in organic matter, 684. Antoniani C. and Nicolini M. Neubauer’s chemico-physiological method for the deter-mination of phosphoric acid and potash assimilable by soil 825. Aoyana S. Volumetric determination and separation of ortho- pyro- and metaphos-plioric acids 480. Archbold H. &.and Widdowson,. E. M. Iodi-metric determination of reducing sugars in the apple 462 iv INDEX TO VOLUME LVI. Amp P. The analysis and composition of vegetable parchment used for packing dairy products 149.Ashworth J. R. Apparatus for recording the ultra-violet light of the sky 557. Atack F. W. The Chemists’ Year Book 1931 (Review) 622. Auden H. A. Sulphuric Acid and its Manu-facture (Review) 493. Bvent A. G. The freezing-point method for the examination of cocoa butter 180. Aykroyd W. R. Vitamin B content of cereals and the supposed connection between human pellagra and deficiency of this vitamin 56. Azadian A. Les Eaux d’Egypte. Vol. I 282. Vols. XI1 and XIII 698. B Bacharach A. L. Review of Atack’s The Chem-- Review of Durrans’ Solvents 2nd Ed. 695. Bachmann W E. Reduction of aromatic ketones and benzils by triphenylmagnesium bromide 683. Baernstein H. D. Gasometric determination of cysteine and cystine 124.Bagnall H. H. Report of the City Analyst for Birmingham for the Third Quarter of 1930, 30; for the Fourth Quarter of 1930 312; Annual Report for 1930 598 for the First ists’ Year Book 1931 622. Quarter of 1931 655 ; for the Second Quarter of 1931 740. Baker G. W. Report of the Government Analyst for Palestine for the year 1929 33. Bamford F. The Denigks-Oliver test for morphine 586. Banks A, and Hilditch T. P. Glyceride struc-ture of beef tallows 816. Sardef J. See Lemditi C. Bamicoat C. R. Rancidity changes and the flavour of fats 748. Barr G. A Monograph of Viscometry (Review), 496. Batchelder G. and Meloche V. W. Volumetric determination of fluorine by means of cerous nitrate 555. Batty F.See Grossfeld J. - See also Miermeister A, Baughman W. F. See Jamieson G. S. Beger Ii. Eie Arbeiisilieihikh der Trick-wasser Biologie 698. Bell F. The interaction of amines and phenols with arylsulphonyl chlorides 802. Benesch E. and Erdheim E. Rapid method for the determination of selenium 133. Bennett C. T. and Cocking T. T. The hydroxyl-amine method for the determination of ketones : Carvone in caraway and dill oils 79. Bernardini F. and Gauthier E. A. Determina-tion of the ash of bread 257. Bernhard A. and Drekter I. J. Effect of ultra-violet irradiation upon the free sterols of lanolin 756. Bersin T. New method for the detection of cobalt 763. Bertrand G. Vitamins of olive oil and effect of refining 56. Bertrand G. and Ciurea V. Tin in the animal organism 409.Bey L. Analytical applications of the reaction of ammonia on resorcinol in the presence of cations 62. Beyer 0 Formula for the determination o f saccharin by titration 606. Bhattacharya R. and Hilditch T. P. The fatty acids and component glycerides of Indian ghee 161. Bills C. E. Honeywell E. M. and Cox W. M., Jr. Influence of solvents on the activation of ergosterol 678. Birckner V. See Seidell A. Blair R. W. Poisoning by acetic acid 596. - Poisoning by ammonia 654. Blenkinsop A. Volumetric determination of Bliss,%. H. See Smith G. F. Boas Fixsen M. A. Effect of desiccation upon nutritive properties of egg-white. 11. 543. Bodansky M. Introduction to Physiological Chemistry. 2nd Ed. (Review) 139. Bodea C. See Ionescu M.V. Bodschwinna W. See Weinstein P. Boer H. W. Destruction of diastatic enzymes in honey on heating 55. Bogod . 1. Review of Johnson’s Non-inter-polating Logarithms Cologarithms and Anti-logarithms 426. - See also Lampitt L. H. Boinot G. See Lematte L. Bose P. K. A new method for the detection of the nitro-group in some organic compounds, 504. Boseley L. Obituary notice of H. Droop Richmond 700. Botcharsky S. and Foehringer A. Plioto-graphic effects of vitamins A and B 547. Bougault J. and Schuster G. Composition of karit6 butter 669. - New triglyceride obtained on oxidising cocoa butter 406. Bowers A. D. See Wiley R. C. Boycott A. E. and Cameron G. R. Manganese Boyd 3. H. See Oberseider J. L. - Rraiinndnrf - -- - - - - K Evaluation of honey on the basis of the diastase content 539.Brenneis H. J. Qualitative micro-electrolysis with a small electrode 618. Brewer C. M. and Ruehle G. L. A. Limitations of phenol coefficients of coal-tar disinfectants, 330. Bridges R. W. See Churchill H. V. Bright H. A. See Redmond J. C. Bright H. A. and Lundell G. E. F. Determina-tion of carbon in high sulphur steels by direct combustion 205. Brighton T. B. and Dice C. M. Purification of common salt (American) 408. sod‘ m 134. in foodstuffs 55 INDEX TO V VOLUME LVI. Britton H. T. S. Review of Haas’s Quantum Chemistry 275. - Review of Mellor’s Comprehensive Treatise on Inorganic and Theoretical Chemistry. Vol. XI 838. Brode W. R. and Magill M. A. Critical study of the antimony trichloride colour test for vitamin A 546.Brophy D. H. Electrolytic determination of cobalt 831. Brown J. B. Nature of the highly unsaturated fatty acids stored in the lard from pigs fed on menhaden oil 187. Brown,. J. W. Review of Emich’s Mikro-chemisches Praktikum 2nd edition 138. - Review of Feigl’s Qualitative Analyse mit Hilfe von Tupfelreaktionen 492. Browning E. The Vitamins 698. mere P. Colorimetric micro-reactions of the glutogenic protides and cellulosic gels of the wheat grain 66. Brukl A. Brunel A. Presence of allantoinase in fungi. (Test for glyoxylic acid.) 264. - See also Fosse R. Brunot F. R. Osmium tetroxide poisoning 451, Bnbb J. C. Determination of lead and copper in Bordeaux and lead arsenate mixtures 551. Bncherer H. T. and Meier F.W. Simultaneous volumetric determination of lead and bismuth, 336. Bullock F. C. Report of the City Analyst for Leicester for the year 1930 600. Burlage H. M. Burmann J. Determination of nicotine in oriental tobaccos 53. Burton D. Determination of copper in tanning extracts 335. Bnshill J. H. See Lampitt L. H. Butler A. M. and Tuthill E. Application of thb uranyl zinc acetate method of determining Ccdium in Sicbgica! rr-ateria! 764. Bitterfield C. T. and Purdy W. C. Inter-relationships of plankton and bacteria in natural purification of polluted water 330. Byrd R. M. Bywaters H. W. facture (Review) 69. Determination of gallium 832. Assay of santonin 752. See Dobbins J. T. Cocoa and Chocolate Manu-C Caines C. 1. Caley E. R.Callan T. and Strafford N. Callow R. I(. Cameron G. R. See Boycott A. E. Campbell J. R. and Gray T. Combustion of methane by means of copper oxide 59. - Influence of various catalysts in promoting the oxidation of methane by means of copper oxide 60. Assay of stramonium ieaves and tincture of stramonium 52. Rapid colorimetric estimation of potassium 273. The examination of dyed leather in cases of alleged dermatitis, 625. See Rosenheim 0. Campbell J. R. and aray T. Oxidation of various gases by means of copper oxide lead chromate and cobalt oxide 60. Cappelaere J. See Polonovski M. Capper N. S. McKibbin J. M. W. and Prentice, J. H. Conversion of carotene into vitamin A by fowls 473. Cam F. H. Review of Munch’s Bioassays A Hand-book of Quantitative Pharmacology, 490.Cattelain E. New method for the determina-tion of mercury in mercuric cyanide 132. Chamot E. M. and Mason C. W. Handbook of Chemical Microscopy. Vol. 11 2nd Ed. (Review) 559. Chandrasena J. P. C. Chemistry of the products of COCOS nucifera. Part I 48. Charonnat R. See Delaby R. Christian B. C. Christian M[. I. 411. Christlieb H. See Rewald B. Chu T. L. Church A. E. See Norris E. R. Churchill H. V. Bridges R. W. and Lee M. F. Determination of beryllium in aluminium 65. Ciurea V. See Bertrand G. Clark P. C. See Hoyt L. F. Clarke I. D. See Frey R. W. Clarke S. G. A method for the determination of small quantities of hydrogen sulphide the determination of sulphur in small samples of steel 436. - The determination of small quantities of phosphate by Pouget and Chouchak’s method : the determination of phosphorus in small samples of steel 518.- The lead reduction method for the volumetric determination of tin and the interference with it by copper and antimony 82. Claus P J Determination of santonin in “ Trochisci santonini,” 467. Clavera S. M. See Volmar Y . Clayton W. Review of Gessner’s Die Schlamm-analyse 352. Clowes F. and Coleman J. B. Elementary Analytical Chemistry-Qualitative and Quan-titative 11th Ed. 137. Cocking T. T. - Determination of arsenic and mercury in Donovan’s solution 262. - See also Bennett C. T. Cocking T. T. and Middleton G. Determination of iodine and chlorine in iodised oils 671. Cocks L. V. Christian B. C. and Harding Gc.A new method €or the determination of solid unsaturated fatty acids 368. Coe M. R. Direct determination of available carbon dioxide in baking powder 327. Coleman J. B. See Clowes F. Collin E. M. and Sand H. J. S. The electrolytic separation of lead and antimony and its application to the determination of lead in tartar emetic 90. See Cocks L. V. Thermophilic bacteria in milk, See Han J. E. S. Assay of official balsams 673. n:i A ,,I.- inin-.-- c,.,,;,,;\ OACL - vii UL auiuc?i (WOGWU~ L ) W U ( / L / Y I Y O J YWV vi INDEX TO VOLUME LVI. Collins G. W. Irregularities in sodium deter-mination by sodium sulphate method (in organic compounds) 686. Colombier L. Some applications of ultra-violet light 342. Cook R. P. Pyruvic acid in bacterial metabol-ism with an account of the methods used for the detection and determination of pyruvic acid 57.Corfield C. E. See Self P. A. W. Corfield C. E. and Rankin W. R. The resin of Ipomoea Mexican scammony root its solubility in ether and the acid value as a test for rosin 673. Corner M. See Ridge B. P. Coste J. G. M. Coste J. H. Review of Findlay’s Practical Physical Chemistry 5th Ed. 276. Couch J. F. New Alkaloids Discovered 1920-1929 inclusive 559. Coulthard C. E. The valuation of carbolic powder 251. Cowap J. C. Report of the Government Analyst for Straits Settlement for the year 1930 812. Coward I(. C. Review of Sherman and Smith’s The Vitamins 491. - See also Morgan C. E. Coward K. H. Dyer F. J. Morton R. A. and Gaddum J. H. Comparison of tests for vitamin A in cod liver oils 821.Cox H. E. Review of Plucker’s Untersuchung der Nahrungs- und Genussmittel Allgemeine Methoden and Tabellen- und Rechenbuch fur Nahrungsmittelchemiker 344. COX W. M. Jr. See Bills C. E. Craven R. Sensitive colour reaction for certain quinones 613. Cribb C. H. Review of the International Register of Spas and Medicinal Waters 776. CM J. W. and Dye M. Association of vitamin A with greenness in plant tissue. 111. Vitamin A conteni of asparagus grown i i i i d e r light of various qualities 410. Crossley F. Cruz A. O. and West A. P. Composition of Philippine kapok seed oil 816. Culp F. B. See Ansbacher S. Cunningham I. J. Some biochemical and physiological aspects of copper in animal nutrition 820.Cuny L. Volumetric determination of copper, based on Spacu’s reaction 551. See Innes R. F. See Hartung W. H. D d’AImeida A. See Geraldes C. de M. Das J. C. Annual Report of the Chemical Analyst for Rihar and Orissa for the year 1930 400. David -. See Sisley P. Davis. G. H. Holder for mercuric chloride DaDer Davis J. Gc. and Golding J. de Graeve P. See Fosse R. De Haas G. Detection of 8-naphthol 202. De Paolini I. New colour reaction of aromatic De Vries T. See Moore R. B. Delaby R. and Charonnat R. Pyrolysis of vegetable oils of pronounced acetyl value (grape seed castor Para rubber seed oils) 61. Denig es G. Micro-crystallographic identification of barbituric alkaloids 689. Derrett-Smith D. A. Determination of starch in finished goods and yarns 131.Dexter J. See Stockdale D. Dey B. B. and Sitharaman M. V. New method of estimating the activity of peroxydases 821. Dice C. M. See Brighton T. B. Dick J Rapid gravimetric determination of certain elements 203. Dickhart W. H. See Trevethick H. P. Dittmar H. See Puriki C. Dobbins J. T. and Byrd R. M. Volumetric method of determining sodium 764. Donau J. New micro-balance 342. Donovan W. Report of the Dominion Analyst for New Zealand for 1929 182. D6zss A. See Schulek E. Dragenesco A. L. and Weinberg-Sachetti E. Analytical research on protargol (determina-tion of alkalinity and silver) 131. Drekter I. J. See Bernhard A. Drew W. N. Obituary of M. Wynter Blyth 363. Drude W. See Liining 0. Drumm P. J. See Reilly J. Drummond J.C. See Ahmad B. Drummond J. C. and Hilditch T. P. The relative values of cod-liver oils irom various sources, 142 553. Duarte C. See Geraldes C. de M. Dnbskjj 3. V. Selbsttgtige I;i!tratinnsappar&e, Duguid J. B. Toxicity of vitamin D 266. Duninowski A. I. New method for the optical determination of atmospheric ozone 136. Dunn J. T. Annual Address of the President, 221. - Review of Auden’s Sulphuric Acid and its Manufacture 493. - Review of Lunge and’ Keane’s Technical Methods of Chemical Anaiysis. 2nd Ed. voi. Hi 769. Durrans T. H. Solvents. 2nd Ed. (Review) 695. Dworzak R. and Reich-Rohrwig W. Quantita-tive determination of calcium by means of picrolonic acid 832. Dye M. See Crist J. W. Dyer B. Obituary notice of E. W. Voelcker 144. Dyer B.and Taylor G. Report of the County Analysts for Essex for the Fourth Quarter, 1930 251. Question of the identity of a bacterial growth-promoting factor with vitamin B, 56. amines 129. 698. -I I Dyer F. J. See Coward K. H. in Gutzeit test 30. cell for rapid work 449. Dyer F. J. and Wokes F. Variation in colour-test value of commercial samples of cod-liver oil 49. Davis J. G. A simple inexpensive quinhydron INDEX TO VOLUME LVI. E vii F Eble K. and Pfeiffer H. Detection of heated milk 113. Eckart H. Refractometric studies on fruit juices 461. Eder R. and Haas W. Micro vacuum sublima-tion of synthetic compounds used in medicine, 135. Edwards R. S. Water permeability of leather, 828. Eliot C. .P. arid .Ford W W. Haemolytic properties of micro-organisms of the para-typhoid group 58.Ellis N. R. Rothwell C. S. and Pool W. 0. Effect of ingested cotton seed oil on the com-position of body fat 609. Ellis R. H. Appointment as Agricultural Analyst for the County of Herefordshire 398. Elmquist R. See Kolthoff I. M. Elphick G. K. See Key K. M. Elsdon G. D. Address of the Chairman of the North of England Section 284. - Annual Report of the County Analyst for Lancaster for the year 1930 455. - Review of Bell’s Sale of Food and Drugs Acts. 8th Ed. 420. Elsdon G. D. Taylor R. J. and Smith P. The Reichert Polenske and Kirschner values of rancid butters and margarines 515. Emde H. Cocaine and allylcocaine in narcotics, 606. Emich F. Mikrochemisches Praktikum. 2nd Ed. (Review) 138.E-erie A, von Eekelen M. and Wolff L. K. Vitamin-A and the antimony chloride re-action 756. Emmert E. M. Colorimetric method €or the determination of carbon dioxide 836. Em W. W. F. See Schuette H. A. Erdheim E. See Benesch E. Emen W. F. A. Iodine rnercerisation test 550. Essery R. E. An apparatus for the detection of traces of fluoride by the etching method 28. Etheridge . A. T. The determination of phos-phorus in steel alloy steels and cast iron, 14 454. Evans B. S. A new method of reduction of tin and antimony prior to titation 171. - A new process for the determination of small amounts of bromide in chloride 590. Evenson 0. L. and Nagel R. H. Use of buffers in the determination of colours (dyes) by means of titanium trichloride 11 413.Evers N. The detection of small quantities of calcium 293. - See also Haddock L. A. Ewing D. T. and Wilson M. Electrometric titration of uranium by means of ceric sulphate 552. Eynon L. and Lane J. H. Determination of small proportions of invert sugar in raw sugars 322. Eyre J. W. H. Bacteriological Technique. 3rd Ed. (Renew) 772. Fachmann W. See Nostermann M. Fairhall L. T. and Prodan L. Coloririietric determination of traces of cadmium in organic matter 412. Faitelowitx A. Importance of the acidity of tobacco for its hygienic evaluation 261. Fargher R. G. and Lecomber L. V. Determina-tion of starch in sized and finished cotton goods 825. Fearon W. R. and Thompson A. C. The uro-carmine reaction 191. Feigl F. Qualitative Analyse mit Hilfe von Tiipfelreaktionen (Review) 492.Feigl F. and Kapulitzas F. J. Detection and determination of nickel in presence of much cobalt 204. Feigl F. Krumholz P. and Rajmanm E. Detection of gold palladium and silver with dimethylamino-benzylidene rhodanine 485. - Specific test for zirconium 615. Feigl F. and Weisselberg K. Detection of carbon disulphide 271, Feldstein P. and Ward A. M. Nickel uranyl acetate as a qualitative reagent for sodium, 245. Fenger F. Andrew R. M. and Vollersten J. 3. Geographical location and iodine content of the thyroid gland 190. Fefiimore E. P. and Wagner E. C. Anhydrous distillation method for the determination of mercury in organic compounds 684. - Inaccuracy in the determination of mercury by direct precipitation as mercury sulphide from acid solution 687.Ferry G. J. W. Theophylline sodium acetate of commerce 675. Ficklen 3. B. Fiehe J. Honey diastase 540. Field A. Field J. 612. Fielding W. L. Findlay A. Chemistry in the Service of Man, - Practical Physical Chemistry (Review) 5th - The Spirit of Chemistry (Review) 140. Fink H. and Schormuller J. Separation of lead as chromate from mercury and from copper 1.13 Fischer H. Microchemical spot tests for some of the heavy metals using dithizon (diphenyl-thiocarbazone) 208. Fischer R. and Stauder F. Microchemical tests for benzoic acid salicylic acid and esters of p-hydroxybenzoic acid in food and drugs 275. Flaschentrager B. Electric heater for Pregl’s micro combustion 210. Fletcher A. E. Fletcher L.and Westwood 3. B. Suggested method for the determination of the dextrin-olytic activity of malt 747. Foehringer A. See Botcharsky S. Folzenlogen R. G. See Andrew J. T. R. See Hough A. W. See Morgan A. I?. Studies on the starch-iodine reaction, See Parkinson S. T. 4th Ed. (Review) 843. Ed. 276. See Wood I>. R viii IXDES TO VOLUME LVI. Ford W. W. See Eliot C. P. Forsee W. T. See Pierce J. S. Forster R. B. and Soyka,. C. Fur dyes their oxidation and identification on the fibre 476. Fosse R. and Others. Application of the seed of Soya hispida deprived of uricase. Qualitative and quantitative analysis 193. Fox J. J. Review of Recent Advances in Analytical Chemistry. Vol. I. Organic Chemistry 279. Vol. 11. Inorganic Chemistry s39. Foyn E.Quantitative determination of lecithin in some fats 464. Francis W. and Wheeler R. V. Studies in the composition of coal. Methods for the rational analysis of coal 333. Francois M. and Seguin L. Determination of picric acid in solution 122. - Determination of some derivatives of phenol and of salicylic acid from the weight of Lautemann’s red 829. Franquin -. See Travers A. Fred E. B. - See also Pruess L.M. Frederick R. C. Carbon monoxide poisoning, - See also Patterson T. C. French J. M. Colorimetric method for deter-mination of the preservative value of hops, 672. Fresenius L. Determination of rubidium and caesium particularly in mineral waters 834. Frey C. N. See Light R. F. Frey R. W. and Clarke I. D. Decay of book-binding leathers 762.Frey R. W. and Veitch F. P. Preservation of leather bookbindings 559. Nmer E. I. Quantitative separation of copper and cadmium by reduction with potassium formate 687. Fulmer H. L. See McFarlane W. D. Fulton C. C. Identification of alkaloids by precipitation 121. Funk H. and von Zur-Muhlen 0. Quantitative separation of lead and iron 763. Furman N. H. and Wallace J. EL Jr. Deter-mination of thiosulphate by means of ceric sulphate 416. Furter M. Micro-combustion of carbon and hydrogen in mercury compounds 341. See Marvin G. E. 561. G Gaddum J. H. Gaume G. silver 607. Gauthier E. A. See Bernardini F. Gebhardt H. T. and Sommer H. H. Residual-current measurements in control of metal solution in milk 814. Georgi C. D. V. and Teik G.L. Tonks-bean oil, 670. Geraldes C. de M. d’Almeida A. and Duarte C. Some oleaginous forest seeds of Angola. 188. See Coward K. H. Chemical characteristics of colloidal Gessner H. Die Schlammanalyse (Revien ) 352. Gibson J. The $13 value of culture media, Gilchrist R. Separation and determination of Gillam A. E. Gillam A. E. Heilbron I. M. Hilditch T. P. and Morton R. A. Spectrographic data of natural fats and their fatty acids in relation to vitamin A 47 1. Gillam A. E. and Morton R. A. Antimony trichloride colour test and the ultra-violet absorption of liver oiIs and concentrates 822 Gilman H. and Heck L. L. Influence of acid chlorides and of pyrrole on the colour test for reactive organo-metallic compounds 199. Glaister J. A Study of Hairs and Wools (Review) 696.Glasstone S. Recent A4dvances in Physical Chemistry 698. - Review of Kolthoff’s Die Massanalyse. Part 11 842. - Review of Miiller’s Laboratory Manual of Electro-Chemistry 621. Godbole N. N. and Sadgopal. Butter fat (ghee) 624. Goetz A. W. Measurement of hydroxyl and hydrosulphide ions in sodium sulphide solution 482. 312. osmium 616. See Heilbron I. &I. Goldberg S. Gdding J. Golse J. Study of Spacu’s reaction. Volu-Goodwin G. H. The analysis of ferro-silicon 21. Gorini C. Acido-proteolytic bacteria in pas-Graham J. J. C. Grant J. The titration of quinine in ultra-aray T. See Campbell J. R. Greaves R. H. Review of Smithell’s Impurities in Metais 3Bi. Greger J. Behaviour of moulds on expanded corks 267.Grettie D. P. and Newton R. C. Susceptibility of fats to oxidative rancidity 749. Griffon H. Colour reaction of colophony and abietic acid 828. Grossfeld J. and Battay F. Detection deter-mination and occurrence of butyric acid in foodstuffs 403. - Determination of butyric and caproic acids in edible fats 760. Grote I. W. New colour reaction for soluble organic sulphur compounds 760. Guerrant N. B. and Salmon W. D. Stability of vitamin G as measured by its growth-stimulating effect 126. Guha B. C. Chemistry of vitamin-& 410. - Investigation of vitamin B,. I. Sources of vitamin B,. 11. Stability of vitamin B,. 111. Chemistry of vitamin B, 680. Guild E. J. A new development in filter papers, 652. Guthrie J. D. Determination of peroxydase activitr.194. See Wallis T. E. See Davis J. G. metric determination of copper 272. teurised milk 127. See Smith C. M. violet light 653 ISDES TO VOLUSIE LVI. ix H H w A. Quantum Chemistry (Review) 142, 275. Haas P. Review of Onslow’s The Principles of Plant Biochemistry. Part I 346. Haas W. Crystallographic examination of the micro sublimates of synthetic compounds used in medicine 136. - See also Eder R. Haddock L. A. . and Evers N. Determination of strychnine in Easton’s Syrup 674. Hahp F. L. Improved method for the deter-mination of magnesium by means of o-hydroxy-quinoline 833. - Tests in capillary tubes applied to the identification of nitrates and nitrites 134. Haines R. B. Growth of micro-organisms on chilled and frozen meat 611.Haldane J. B. S. Monographs on Biochemistry. Enzymes (Review) 343. Haldane J. S. The investigation of carbon monoxide poisoning 57 1. Hall W. T. Analytical Chemistry. Vol. I, Qualitative Analysis based on the German Text of F. P. Treadwell 7th English Ed. (Review) 349. - Textbook of Quantitative Analysis (Review), 422. Hamilton E. H. See Smith C. M. Han J. E. S. and Chu T. L. Volumetric benzi-dine method for the determination of acetic acid (acetate radicle) in lead acetate 830. Hsnak A. and Kiirschner K. Determination of formic acid in fruit juices 116. Harding G. See Cocks L. V. Hardy F. See Adam W. B. Haring M. E. and Leatherman M. Quantitative precipitation of sulphides in buffered solutions. I. Cobalt sulphide 207. Haring M. E.and Westfall B. B. Quantitative precipitation of suipiiides in buffered solutions. 11. Nickel sulphide 207. Harral J. C. An apparatus for the determination of small quantities of amino nitrogen 527. Harrison G. A. Chemical Methods in Clinical Medicine (Review) 346. Harry R. G. The application of piperidinium piperidyl-dithioformate to the colorimetric determination of copper 736. Hartmann B. G. and Hillig F. Determination of starch in flour by diastase and acid hydrolysis 322. Hartridge H. The preparation of nitric oxide haemoglobin 57 1. Hartung W. H. Crossley F. and Munch,. J. C. Sivadjian’s colour reaction for identifying ephedrin 467. Hashi K. Solubility of rape oil in alcohol of varying concentrations 325. - Solubility of tea seed oil in alcohol of varying concentrations 325.Emley V. See Smith E. L. Heck L. L. See Gilman H. Heilbron I. M. See Gillam A. E. - See also Morton R. A. Heilbron I. M. Gillam; A. E. and Morton R. A. Specificity in tests for vitamin A . New con-ception of the chromogenic constituents of fresh and aged liver oils 823. Heilbron I. M. and Morton R. A. Characteri-sation of vitamin A . I. Spectroscopic evidence, 545. Heim G. Determination of ethylenic nitriles, 129. Heinrich B. J. See Shead A. C. Heller K. and Stary Z. The alkaline earth metals. Methods of qualitative and quantita-tive microanalysis 691. Henderson J. B. Report of the Government Analyst for Queensland for year ending June 30 1930 32. Henry T. A. Review of Allen’s Commercial Organic Analysis Vol.VIII 5th Ed. 68. Henville D. Report of the Borough Analyst for Stepney for the year 1929 3 0 ; for the year 1930 741. Herd C. W. and Kent-Jones D. W. Deter-mination of starch in cereal products 184. Hetler R. A. See Meyer C. R. Hetterich H. Application of microchemical methods to the analysis of pigments of paintings 136. Hewitt J. T. Review of Holleman’s Textbook of Organic Chemistry 2 Z 1. Hicks J. S. See Rising M. M. Highberger J. H. See Moore E. K. Hilditch T. P. See Banks A. - See also Bhattacharya R. - See also Drummond J. C. - See also Gillam A. E. Hilditch T. P. and Jones E. E. Composjtion of commercial palm oils. 11 The fatty acids and component glycerides of some palm oils of high free acidity 463. Hilditch T. P. and Priestman J.The rapid determination of solid saturated fatty acids, 354. Hilditch T. P. and Sleightholme J. J. Glyceride structure of butter-fats 541. Hillig F. See Hartmann B. G. Hinton C. L. and Macara T. The determination of laevulose in sweetened condensed milk 286. Hoff R. W. Determination of small proportions of butyl chloride and diethyl phthalate together in ethyl alcohol 683. - Determination of small proportions of hydrocarbon in alcohol containing acetone, 682. Hoffer A. See Kiirschner K. Holborow A. G. Report of the City Analyst for Gibraltar for the year 1930 656. Holleman A. F. A Textbook of Organic Chem-istry (Review) 211. Hollman E. C. M. J. Scopoletine reaction for Hyoscyamus extracts 819. Honeywell E. M. See Bills C. E. Hopkins R.H. Selective fermentation. Alcoholic fermentation of mixtures of glucose and fructose by brewer’s and Sauterne yeasts 463. Hopkins S. J. Colloidal iodine preparations, 543 X INDEX TO VOLUME LVI. Hough A. T. Precipitation of tannin by means of hexamethylenetetramine 827. Hough A. W. and Ficklen J. B. Determination of magnesium with 8-hydroxyquinoline-gravi-metrically volumetrically and colorimetrically. 206. Hoyland F. W. Termination of appointment as Additional Public Analyst for the County Borough of Bournemouth 598. Host L. F. and Clark P. C. Determination of water in glycerin 270. Huber G. A. Aspergilli and their relation to decay in apples 199. Hulme A. C. and Narain R. Ferricyanide method for the determination of reducing sugars.Modification of the Hagedorn-Jensen-Hanes technique 815. Hunt C. H. and Krauss W. E. Influence of the ration of the cow upon vitamin B and vitamin C content of milk 681. Huntress E. H. A Brief Introduction to the Use of Beilstein’s Handbuch der Organischen Chemie (Review) 842. Hunwicke R. F. Review of Smyth and Obold’s Industrial Microbiology 423. Hutchins W. D. Report on tintometer stan-dardisation 693. Hymas F. C. See Middleton G. I Ikuta H. The investigation of Japanese bees-wax 430. Illing E. T. See Wood D. R. Innes R. F. Deterioration of vegetable-tanned leather on storage 827. - Examination of commercial egg-yolk 761, - Review of Machon’s Die Bestimmung und Bedeu tung der Wasserstoffionen Konzentra-tion in der Gerberei 544. knes R.F. Ed cc!ste 2. G. K. Deterrr?in.tinn of water in vegetable-tanned leather 355. Ionescu M. V. and Bodea C. Gravimetric determination of formaldehyde and urotro-pine 200. Iwamoto Y. Para rubber seed oil 62. J (2acoP K.,DA SEe Rzynol* -D. S. dacoas in. D. 3ee ning L. v . James L. H. Volumetric determination of chromium and nickel in the same solution 687. Jamieson G. S. and Baughmann W. F. Para rubber seed oil 61. Jamieson G. S. and McKinney R. S. Sapote (mammy apple) seed and oil 603. Jelley E. E. Use of tungsten arc lamps for photo micrography 420. Jensen H. R. Chemistry Flavouring and Manufacture of Chocolate Confectionery and Cocoa (Review) 768. - Review of Cocoa and Chocolate Manufacture by H. W. Bywaters 69. Jermstad A. Oil from the seeds of Ribes rubrum L.(red currant) 324. Joachim A. W. R. Report of the Agricultural Analyst for Ceylon for the year 1929 106. Johnson C. H. Chemical Analysis of Special Steels. 4th Ed. (Review) 213. Johnson F. W. Non-interpolating Logarithms, Cologarithms and Antilogarithms (Review), 426. Jois H. S. Manjunath B. L. and Rao S. V. Saponification values of highly coloured oils, 332. Jones B. Review of Johnson’s Chemical Analysis of Special Steels 4th Ed. 213. Jones D. B. Factors for converting percentages of nitrogen in foods and feeds into percentages of proteins 813. Jones E. E. See Hilditch T. P. Jones R. A. The colorimetric determination of chlorates by the use of aniline hydrochloride, 807. Jmgensen G. The rising of fat in milk 380. Jungkunz R.See Pritzker J. K Kahane E. See Lematte L. Kahane M. See Lematte L. Kamfer K. Identification in small samples of leather of the different minerals used in tanning 335. Kapulitzas H. J. See Feigl F. Karrer P. Morf R. and Schopp K. Vitamin A from fish livers 824. Kay H. D. Plasma phosphatase. I. Method of determination. Some properties of the enzyme 123. Kay R. H. The examination and commercial analysis of cotton cloths 647. Keane c. A. see Lllnge G. Keane C. A. and Thome P. @. L. Lunge and Keane’s Technical Methods of Chemical Analysis 2nd Ed. Vol. 111 (Review) 769. Keenan G. L. See Mottern H. H. Kehoe R. A, and Thamann F. Behaviour of lead in the animal organism. 11. Lead tetraethyl 33 1. Keil H. L. and Nelson V. E. R81e of copper in haemoglobin regeneration and in repro-dy?on 725.- Xenwones u. w. See Amus A. j. - See also Herd C. W. Kertesz Z. I. Method for determination of enzyme yield in fungus cultures 193. Key K. M. and Elphick G. K. Quantitative method for determination of vitamin C 681. Kiech V. C. Luck J. M. and Smith A E. Studies on arginine. I. Rate of catabolism in rats including method for determination of arginine in biological material 327. King C. V. and Jacobs M. B. Sensitive test for iodines 554. King J. The identification and determination of dicodide eucodal and dilaudide 498 xi INDEX TO VOLUME LVI. King J. G. Review of Barr’s A Monograph of Viscometry 496. Kinkead R. W. Measurement of the viscosity of solutions of cellulose in cuprammonium hydroxide solution A capillary tube vis.cometer 692. Kipping,.F. S. and F. B. Perkin and Kipping’s Organic Chemistry. Part I 698. Kirkby W. Review of Findlay’s The Spirit of Chemistry 140. Klein von G. Handbuch der Pflanzenanalyse. Vol. I (Review) 621. Kline G. M. and Acree S. F. Determination of aldose sugars by titration with standard iodine and alkali solutions 48. Klostermann M. and Fachmann W. Detection of fruit wine in grape wine by the sorbitol method 405. Kobayashi K. Yamamoto K. and Abe . J. Colour reaction of Japanese acid clay wlth carotene 198. Koch H. J. See Pagel H. A. Koczkis 3. See Stitz J. Koelsch C. F. Kohman E. F. and Sanborn H. H. Isolation of Kolthoff I. M. Die Massanalyse. Part I1 - See also Abeledo C. A. - See also Sarver L.A. Kolthoff 1. M. and Elmquist R. Koppenhoefer R. See Moore E. K. Kovenman J. M. Krauss W. E. Krishna S. and Puntumbekar S. V. Kriiger A. Kriiger D. and Tschirch E. Krurnholz P. See Feigl I?. Kiihu A. See Tillmans J. Kiirschner K. See Hanak A. Kiirschner K. and Hoffer A. Kuzei N. See Ueno S. Identification of phenols 201. quinic acid from fruits 323. (Review) 842. Determinatiom of lanthanum (new colorimetric method) 417‘. Quinoline as a microchemical reagent for some of the heavy metals 4821. See Hunt C. H. Oil from the seeds of Putranjiva Roxburghii Wall 6701. Chromium steel vessels for analyti-cal purposes 767. Detection of small qxantities of nm-rhlnrateg 691. r-A --:--Determination of cellulose 332. L Lampitt L.H. and Bogod M. Lampitt L. €I. and. Bushill J. H. Determination of lactic acid in milk and milk products 320. Physico-chemical constitution of spray-dried milk powder. Fat in spray-dried milk powder, 256. - The physico-chemical constitution of milk powder 778. Landis Q. and Wichmann H. J. Separation of alkyl and aryl halogen 61. Lane J. H. See Eynon L. Larsen L M. Identification of aluminium and magnesium in printing inks 64. Lauro M. F. Laxa 0. Retained milk 184. - The fat of sow’s milk 321. Lea C. H. Chemical changes in the fat of frozen and chilled meat. I. Frozen mutton and lamb 538. 11. Chilled beef 610. 111. Frozen bacon 759. Leather A. N. The detection of benzoic acid, 299. Leatherman M. See Haring M. E. Lecomber L. V. See Fargher R.G. Lee M. F. Lematte L. Boinot G. Kahsne E. and Kahane M. Determination of choline and of acetylcholine 408. - Determination of silica in vegetable sub-stances by mixed nitric and perchloric acids, 686. Lendrick K. and Mayer F. New lead iodide double salt of trigonelline 326. Leonhard A. Composition and determination of water in tomatoes and preserved tomatoes, 115. Lespagnol A. See Polonovski M. Levaditi C. Bardet J. Tchakirian A. and Vaisman A. Distribution of gallium in the organism 6 1 1. Levy B. Bromimetric determination of am-moniacal nitrogen 478. Light R. F. Miller G. E. and Frey C. N. Effects of overdosage of vitamin D 548. Ling A. R. Review of Haldane’s Monograph on Enzymes 343. - Review of Klein’s Handbuch der Pflanzen-analyse 62 1.Linstead R. P, and Mann J. T. W. Quantita-tive determmation of mixtures of isomeric unsaturated compounds. A review of the iodiinetric methods and a new bromimetric method 414. Liversedge S. G. The determination of alcohol in dilute solutlon by means of acid dichromate, compared with the specific gravity method, 595. Liverseege J. F. Calculation cjf alcohol from the specific gravity 529. Lothrop R. E. and Paine H. S. Some properties of honey colloids and the removal of colloids from honey by bentonite 402. Lowndes. J. See Plimmer R. H. A. Eucas A. Forensic Chemistry and Scientific Lucius F. Luck J. M. Lundell G. E. F. Lunge G. and Keane C. A. Technical Methods of Chemical Analysis 282. Liining O. and Drude W. Absence of arachidic acid from cocoa butter 602.Lutz L. Soluble enzymes secreted by hymeno-mycetic mushrooms. Comparison of the antioxygenic power of tannin and of the phenolic constituents of essential oils 820. Use of selenium as catalyst in the determination of nitrogen by the Kjeldahl method 813. See Churchill H. V. Criminal Investigation. 2nd Ed. 698. See Nottbohm F. E. See Kiech V. C. See Bright H. A xii INDEX TO VOLUME LVI. Lynch G. R. Review of Harrison’s Chemical Lynch G. R. and Scovell J. M. S. Toxicology of Methods of Clinical Medicine 346. thallium 268. M Macara T. The composition of fruits as used for jam manufacture in Great Britain 35. - The determination of soluble solids in jams, etc. 391. - See also Hinton C. L. McCance R. A.and Shipp H. L. Colorimetric determination of sodium 552. McCarley A. F. Some new colour reactions with certain oils and fats 104. McCay C. M. Phosphorus distribution sugar and haemoglobin in the blood of fish eels and turtles 263. McCluskey I(. L. Fading of tropaeolin 00 in the titration of organic acids in urine 195. McCord C. P. Toxicity of methyl alcohol follow-ing skin absorption and inhalation 759. McFarlane W. D. and Fulmer H. L. Colori-metric determination of the tyrosine and tryptophan content of various crude protein concentrates 264. Machon H. Die Bestimmung und Bedeutung der Wasserstoffionen Konzentration in der Gerberei (Review) 844. Machtou R. Assay of pyramidon by the silver cyanide method 326. Mackende K. Biochemistry of aluminium.I. Excretion and absorption of aluminium in the pig 54. 11. Excretion and absorption of aluminium in the rat 470. McKibbin J. M. W. McKinney R. S. McLellan B. G. Review of Jensen’s Chemistry, Flavouring and Manufacture of Chocolate C.onfectlnnery a.nd Cocoa 768. Magill M. A. See Brode W. R. mjdel J. Interference of alkaline earths in the determination of lead 203. Makris K. G. Colorimetric determination of traces of ammonia. 617. - New sensitive reactions of ammonia 341. Manjunath B. L. Manley C. H. l a m 3. T. W. &jnnens 1. 3. Margaillan M. L. Oil of Wrightsia annamensis, Dubard and Eberhardt; an oil resembling castor oil 260. Mmicq L. Potentiometric determination of alkaloids by means of potassium iodomercurate, 120. changes in the wax-like coating on the surface See Capper N.S. See Jamieson G. S. See Jois H. S. Report of the City Analyst for See Linstead R. P. Leeds for the year 1930 808. See l’ieters H. A. J. Markley K. S. and S.ando C E. Progressive of th; apple during growth a<d storage 609. I Determination of the carbonyl and aldehyde content of organic - The Scientific Detective and the Expert compounds Estimation of phenylhydrazine Witness 2nd Ed. 698. 608. Moerke G. A. See Rising M. M. Marks S. and Morrell R. S. Marks S. and Morrell R. S. The determination of the hydroxyl content of organic compounds : Estimation of castor oil 428. Marriott R. H. Review of Wheeler’s The Manufacture of Artificial Silk 213. Marshall S. Martin J. T. and Tattersfield F.Evaluation of pyrethrum flowers 189. Marvel C. S. Editor of Organic Syntheses, Vol. XI (Review) 842. Marvin G. E. Peterson W. H. .Fred E. B., and Wilson H. F. Yeasts found in fermenting honey 760. Mason C. W. See Chamot E. M. Mattick A. T. R. Review of Orla-Jensen’s Dairy Bacteriology 2nd Ed. 775. Mattill H. A. Anti-oxidants and the autoxida-tion of fats 200. - See also Oleovich H. S. Mayer F. See Lendrich K. -See also Nottbohm F. E. Mayer 0. “Carbonate number” in water Mees R. T. A. See Van Dijk J. A. Meier F. W. See Bucherer H. T. Mellor J. W. A Comprehensive Treatise on Inorganic and Theoretical Chemistry. Vol. XI (Review) 838. Meloche V. W. See Batchelder G. Memmler K. and Others. Handbuch der Kautschuk-Wissenschaft (Review) 71. Meyer C.R. and Hetler R. A. Vitamin A content of oats 470. Michaelis L. Rosinduline as oxidation-reduction indicator 415. Middleton G. A storage and delivery apparatus for antimony chloride solution and other corrosive reagents 236. - See also Cocking T. T. Middleton G. and Hymas F. C. Tests for impurities in ether. 11. Tests for acetal-dehyde. 238. Miermeister A. Behaviour of natural and artificial fruit essences towards sodium para-toluene-sulphonchloramide (Heyden chlora-mine) 51. Miermeister A. and Battay F. Adulteration of sweet wine and its detection by deter-mination of the lower fatty acids (butyric acid) 404. Miller G. E. See Light R. F. Mitchell C. A. Editor of Recent Advances in Organic Chemistry 279. Vol. 11. Inotganic Chemistry 839.- Review of Glaister’s A Study of Hairs and Wools 696. - Review of Staudinger’s Anleitung zur Organischen Qualitativen Analyse 2nd Ed. 216. - Review of Tiirkel’s Falschungen 141. - The addition of ammonium salts to vinegar, See Seaber W. M. analysis 766. 111. Tests for acetone 243. ,d.,ca!yt-ca! ChepLi&Fr /l?ewieiw\. Vn!. 1. J \ ” ” ‘ “ “ I 178 INDEX TO VOLUME LVI. xiii Moir G 116. The determination of the milk proteins. I. The chemistry of the separation of casein 2. 11. The identity of the casein precipitate 73. 111. Proposed modified method for casein 147. IV. The combined determination of albumin and globulin 228. - Use of the quinhydrone electrode 445. lKonier -Williams G. W. The effect on foods of fumigation with hydrogen cyanide.Public Health Report No. 60 46. -The nitrate test for the detection of added water in milk 397. Monk H. E. Report of the City Analyst for Salford for the year 1930 314. Moore E. K. Highberger J. H. Koppen-hoefer R. and O’Flaherty F. Determination of amines in tannery lime liquors 614. Moore R. B. and De Vries T. Activation of erxosterol with radium emanation 678. Morf R. See Karrer P. Morgan A. F. Effect of heat upon the biological value of cereal proteins and casein 328. Morgan A. F. Field A. and Nicholls P F. Effect of drying and sulphuring on vitamin C content of prunes and apricots 329. Morgan G. E. and Coward K. H. Determination of vitamin A in butter 757. Morgan G. T. and. Pettet,. A. E. J. Use of arylcarbimides in identifying hydroxylic com-pounds 612.Morgan R. H. The effect of the rate of boiling on the residual sulphur dioxide content in mixtures of sugar and corn syrup ; also the effect of bleaches containing sulphur dioxide, 638. Electrometric studies of complex-Morrell R. S. See Marks L. Morton C. Morton R. A. See Coward K. H. - See also Gillam A. E. - See also Heilbron I. M. Morton R. A. Heilbron I. M. and Thompson A. Spectrographic data concerning vitamin A and liver oils 470. Mottern H. H. See Nelson E. K. Mottern H. H. and Keenan G. L. Identification Mougnard P. Determination of fluorine 688. Muesmann J. See Weinstein P. Mulder W. Determination of nitrates in drinking water 766. Miillw+ E= A Laboratory Manual of Electro-Chemistry (Review) 621. Muller J.See Taufel K. luller R. H. See Williams A. S. Munch J . C. Bioassays. A Handbook of Quantitative Pharmacology (Review) 490. - See also Hartung W. H. Muttelet,. C. F. Detection of sorbitol in the analysis of jams 186. formation. 11. Tartrates of bismuth 469. of mesaconic acid 549. N NaaeL R. H. See Evenson 0. L. Nasini R. I Soffioni e i Lagoni della Toscana e la Industria Boracifera (Review) 215. Nelson E. K. and Mottern H. H. Non-volatile organic acids in barley oats maize and rye plants 672. -Organic acids in honev 403. Nelson V. E. See Keil H. L. Ndmec V. The furfural number of tanning extracts and their mixtures with sulphite cellulose extract 761. Newcomb C. Annual Report of the Chemical Examiner for the Government of Madras for the year 1930 664.Newington F. H. Determination of carbon monoxide produced from painted surfaces in confined spaces 757. Newton R. C. See Grettie D. P. Nicholls J. R. The examination of eggs suspected of being “preserved,” 383. - The rapid determination of small quantities of lead in calcium phosphate 594. Nicholls P. F. See Morgan A. F. and Field A. Nicolini M. See Antoniani C. Niederl J. B. See Williams A. S. Nierenstein M. Review of Abderhalden’s Handbuch der Biologischen Arbeitsmethoden. Lieferung 308 422. - Review of Huntress’ A Brief Introduction to the use of Beilstein’s Handbuch der Organischen Chemie 842. - Review of Marvel’s Organic Syntheses, Vol. XI 842. - See also Adam W. B. Nodder C. R. Determination of solubility num-ber micro method for measuring the extent to which a cellulosic material has been chemically modified or degraded 690.Nolte E. See Splittberger A. Noonan N. See Reilly J. Norman A. G. Studies on the gums. 11. Tragacanthin-the soluble constituent of gum tragacanth 469. Norris E. R. and Church A. E. Study of the antimony trichloride colour reaction for vitamin A . 111. Effect of concentration of reagent used and the stability of the chromo-genic substance to light 126. - Study of the antimony trichloride reaction for vitamin A 197. - Toxic effect of fish liver oils and the action of vitamin B 125. Northall-Laurie D. Volumetric determination of sulphate 526. Nottbohm F. E. and Lucius F. Quartz crystals in honey 462. Nottbohm F. E. and Mayer F. Determination of trigonelline in raw and roasted coffees 405.- Trigonelline content of coffee 543. 0 Oberseider J. L. and Boyd J. H. Obold. W. L. Effect of light on the determination of ethylene 413. See Smvth H. F. Naiaii R. See Hulme A. C. O’Brien B. G. See Wilton S. G XiV INDEX TO VOLUME LVI. O’Flaherty F. See Moore E. K. Ofner R. Detection of bilberry juice by means of Pfahl’s reaction modified for use with sweet wines 672. Okeloen B. J. and Timmers J. C. Colorimetric evaluation of Folia Digitalis according to the method of Knudson and Dresbach 675. Oleovich H. S. and Mattill H. A. Unsaponifi-able lipids of lettuce. Ongaro D. Determination of silk in silk fabrics, 478. Onslow M. W. The Principles of Plant Bio-chemistry. Part I. (Review) 346. Orla-Jensen.Dairy Bacteriology. 2nd Ed. (Review) 775. Orlow I. E. Determination of traces of chloride in bromides 554. Ormont B. Volumetric determination of sele-nium 337. Owen G. Transference of small quantities of liquids 557. I. Carotene 409. P Pagel H. A. and Koch H. J. Iodimetric Paine H. S. See Lothrop 12. E. Parkinson S. T. and Fielding W. L. The Microscopic Examination of Cattle Foods 142. Parsons H. L. See Ridge B. P. Partridge II. M. See Yagoda H. Partridge W. Black draught 29. - Review of Eyre’s Bacteriological Technique. 3rd Ed. 772. - The extractives of whiskey 177. Patterson T. C. and Frederick R. C. The testing of Admiralty disinfectant fluid 93. Pavelka F. Peacock D. H. and Thoung Chit. Oil from the seeds oi Asterzastzgma wzacyocavpa i i 7 .Pease V. A. Notes on the histology of the almond 187. Peltzer J. Detection of sperma in forensic cases 198. Percival G. H. Experimental observations on dermatitis due to dyed fur 754. Peterson W. H. See Marvin G. E. - See also Pruess L. M. Pettet A. E. J. See Morgan G. T. Pfeiffer H. See Eble K. Phillips H. Determination of “ uronic ” acids and pentoses in tanning extracts 826. Pick L. Detection of benzoic acid as methyl ester 466. Pierce J. 6 and Forsee W. T. Detection of cadmium 416. Pieters H. A. J. Volumetric determination of carbon monoxide by means of a suspension of iodine pentoxide in fuming sulphuric acid 550. Pieters H. A. J. and Mannens M J. Deter-mination of nitrous and nitric acids in sulphuric acid. 65. tliiocyanate titration 555.Tests for zirconium 209. Plimmer R. H. A. Raymond W. H. and Lowndes J. Experiments on nutrition. X. Comparative vitamin B values of foodstuffs. Cereals II 679. Plucker W. Tabellen- und Rechenbuch fur Nahrungsmittelcheniiker (Review) 344. - Untersuching der Nahrungs- und Genuss-mittel Allgemeine Methoden (Review) 344. Polonovski M. and Cappelaere J. Determina-tion of the alkaloid bases of Calabar beans 818. Polonovski M. and Lespagnol A. Two new sugars of human milk gynolactose and allolactose 539. Pool W. 0. Set! Ellis N. R. Pope T. H. Review of Nasini’s I Soffioni e i Lagoni della Toscana e la Industria Boraci-fera 215. - Review of Reports of the Progress of Applied Chemistry 486. Posdniakawa S. See Tschepelewetzky H.Post P. Cause of beet odour and taste in milk and butter 402. Poucher W. A. Perfumes Cosmetics and Soaps with Special Reference to Synthetics. 3rd Ed. Vols. I and I1 (Review) 348. Powell A. B. Determination of zinc in cadmium, 479. Powell C. K. See Sharp 1’. F. Pratt J. D. Dangerous properties of ethylene chlorhydrin 198. Prentice J. H. See Capper N. S. Prescott S. C. and Winslow C. A. Elements of Water Bacteriology. 5th Ed. (Review) 347. Priestman J. See Hilditch T. P. Pritzker J. and Jungkuns R. Origin occur-rence and detection of 2.3-butyleneglycol in wine and fruit wine 258. Prodan L. See Pairhall L. T. Pruess L. M. and Others. Sterol content and antirachitic activatibility of mould mycella, 196. Pngh A. 3. See ’vVziren Ii. G. Puntumbekar S.V. Purdy W. C. Pyriki C. Amounts of nicotine in tobacco smoke 753. Pyriki C. and Dittmar H. Raw tobacco. Nicotine content and its retention a t various temperatures 407. See Krishna S. See Butterfield C. T. 8 Quastel J. H. A colour test for o-ciihydroxy-phenols 3 1 1. R Raikowa-Kowatschewa T. P. Detection oE chlorate in perchlorate 208. Rajmann E. See Feigl F. Rakshit J. N. Contamination in morphine deposited in the B.P. process for the analysis of opium 711. Rankin W. R. See Corfield C. E. - See also Self P. A. W. Pin&,’ A. Recent Advances in Microscopy. Biological Applications (Review) 695. Rao 5. V. See Jois H. S INDEX TO VOLUME LVI. XY Rask 0. S. Raymond W. H. Redmond J. C. and Bright H. A. Determina-tion of magnesium in Portland cement and similar materials by 8-hydroxyquinoline 339.Reich-Rohrwig W. See Dworzak R. Reichel H. P. Determination of m-xylene in xylene mixtures 828. Reif G. Detection of isopropyl alcohol in brandy spirits tinctures cosmetics and liniments by means of piperonal 115. Reif W. Micro-determination of copper by means of salicyl-aldoxime 557. Refly J. Noonan N. and Drumm P. J. Evalua-tion of the menthone content of peppermint oil 702. Reiner M. See SObOtkd H. Reinking 0. A. Laboratory tests on the durability of Philippine woods against fungi, 474. Remington R. E. Revis C. See Taffel A. Rewald B. Phosphatide contents of varieties of bread 113. Rewald B. and Christlieb H. Fat and phos-phatide contents of cacao beans 465. - Natural phosphatide content of cacao beans and its change during manufacture 603.Reynolds D. S. and Jacob I(. D. Determina-tion o€ fluorine in phosphate rock and phos-phate slag 835. Ribere M. Reactions of antipyrin and pyrami-done. Determination of antipyrin in pyrami-done 123. Richards M. B. Manganese in relation to nutrition 54. Rideal E. K. and Sciver A. On the testing of disinfectants 249. Ridge B. P. Parsons H. L. and Corner M. Chemical properties of some commercial rayon yarns 270. Ridsdaie B. D. Determination of phosphorus in steel alloy steels and cast iron 452. Riffart H. See Tillmans J. Rising M. M. Hicks I. S.,.an? Moerke G. A. The biuret reaction of di-acid amides 130. Robinson R. A. Bell’s Sale of Food and Drugs Acts. 8th Ed. (Review) 420.- Review of Stewart’s Recent Advances in Physical and Inorganic Chemistry. 6th Ed. 425. Robinson W. Free and bound water deter-minations by the heat of fusion of ice method, 676. Rosenheim O. and Callow R. K. Colour reactions of sterols with nitric acid 472. Rosenthaler L. The Chemical Investigation of Plants (Review) 489. Rothenfusser 5. Detection of certain types of heated milk 747. Rothlin H. The reaction of cocaine hydro-chloride solutions 75 1. Rothwell C. 5. See Ellis N. R. Rubel W. M. Use of acridine dyestuffs for the determination of nitrites 325. See Tourtellotte D. See Plimmer R. H. A. See Ansbacher S. Russell E. Report of the Public Analyst and Bacteriologist for the City and County of Bristol for the year 1930 599. S Sabati6 A.Determination of nicotine in com-mercial solutions and insecticides 121. Sabetay .S. and Siqadjian J. Use of benzylic potassium hydroxide for the determination of acetyl groups in substituted acetamides 475. Sadgopal. See Godbole N. N. Sage C. E. The possible effect oi sulphur dioxide when used as a preservative for dried fruits etc. 451. Salmon W. D. See Guerrant N. B. Sanborn H. H. See Kohman E. F. Sand H. J. S. Sanders G. P. Determination of the calcium, magnesium and acid-soluble phosphorus in milk by means of trichloroacetic acid filtrates, 401. See Collin E. M. Sando C. E. - See also Markley K. S . Saradn J. See Fosse R. Sartori A. Poisoning by chloroform during - Poisoning by methyl alcohol 412. - Poisoning by seeds of Datura stramonium (thorn-apple) 59.Sarver L. A. and Kolthoff I. M. Diphenyl-aminesulphonic acid as an indicator 686. Savage W. G. Review of Prescott and Wins-low’s Elements of Water Bacteriology. 5th Ed. 347. Schaarschmidt A. Detection and separation of hydrocarbons with branched chains from natural or artificial mixtures of hydrocarbons, 549. Schlesinger H. I. and Van Valkenburgh H. B. Structure of ferric tiiiocyanate 416. Schnoutka -. See Travers A. Schoeller? W. R. Investigations into the analytical chemistry of tantalum niobium and their mineral associates. XIX. Labora-tory notes on analytical technique 304. - Review of Treadwell-Hall’s Analytical Chemistry. Vol. I. Qualitative Analysis. 7th Eng. Ed. 349. - Review of Washington’s The Chemical Analysis of Rocks 4th Ed.278. Schoeller W. R. and Webb H. W. Investiga-tions into the analytical chemistry of tantalum, niobium and their mineral associates. XX. The separation of tin from tantalum and niobium 796. Fluorescence reaction of @-naphthol 332. Ursolic acid 258. narcosis 331. Schoorl N. Schopp K. See Karrer P. Schormuller J. See Fink H. Schuette H. A. and Enz W. W. F. Schulek E. and Dozsa A. Expressed Iodimetric deter-Brazil nut oil 669. mination of chromium 832. Ruehle G. L. A. See Brewer C. M. Schumb W. C. See Simpson S. G mi INDEX TO VOLUME LVI. Schuster G. New method for the separation - Oxidation of officinal castor oil by potassium - See also Bougault J. Sciver A. Scovell J. M. S. Seaber W. M. and Marshall W.Abnormal aniseed oils and B.P. requirements 605. Seguin L. See FranGois M. Seidell A. and Birckner V. Isolation of the antineuritic vitamin 547. Self P. A. W. and Corfield C. E. Determina-tion of total alkaloids in cinchona bark 52. Self P. A. W. and Rankin W. R. Quantitative methylation of theobromine and theophylline, and the determination of these substances in theobromine sodium salicylate and theophyl-line sodium acetate 674. Sharp P. F. and Powell C. K. Increase in the pH value of white and yolk of hens’ eggs 322. Shead A. C. and Heinrich B. J. Determination of calcium and magnesium in Dolomitic lime-stones by means of saccharate solutions 65. Shead A. C. and Smith G. F. Decompositio? of refractory silicates by fused ammonium fluoride and its application to the determina-tion of silica in grass sands 274.Shelberg E. F. See Tabern D. L. Sherman H. C. and Smith S. L. The Vitamins. 2nd Ed. (Review) 491. Sherman H. C.,.and Whitsitt M. L. Study of the effect of nitrous acid upon components of the vitamin B complex 197. Shipp H. L. Short G. R. A. Assay of drugs yielding essential oils 604. Shukla S. N. Simmons W. H. Review of Poucher’s Perfumes, Cosmetics and Soaps with Special Reference to Synthetics. 3rd Ed. Vols. I and 11 348. Simpson I. A. Studits in Vitamin 3, Con-centration from Rice Polishings 698. Bimpson S G. and Schumb W. C. Determina-tion of zirconium by means of selenious acid, 337. Sinton F. C. Determination of emetine 751. Sisley P. and David -. “Direct Green-B.” Sitharaman 116.V. See Dey B. B. Sivadjian J. See also Sabetay S. Skellon J. H. Preparation and properties of Skene M. Review of Rosenthaler’s The Chemical Sleightholme J. J. See Hilditch T. P. Smelt E. M. Extract of colocynth 52. Smith A. F. See Kiech V. C. Smith C. M. Hamilton E. H. and Graham, J. J. C. Study of Travers’ method for the determination of fluorine with reference to insecticides 551. Smith E. L. Emulsification. Part 111. A factor inhibiting the emulsification of cod liver oil 66. - Review of Findlay’s Chemistry in the Service of Man 843. of nickel and cobalt 133. permanganate. Study of triazelain 188. See Rideal E. K. See Lynch G. R. See McCance R. A. See Walker 0. J. A new sensitive reagent for copper 132. highly purified oleic acid 415.Investigation of Plants 489. Smith E. L. The determination of unsaponified oil in soap or fatty acids 9. Smith E. L. and Hadey V. Reaction of anti-mony trichloride with cod liver oil and its unsaponifiable fraction 265. Smith G. Identification of aspergilli in cotton goods 268. Smith G. F. See Shead A. C. Smith G. F. and Bliss H. H. Internal indicators for bromate titrations 554. Smith P. See Elsdon G. D. Smith S. L. See Sherman H. C. Smithells C. J. Impurities in Metals. Their Influence on Structure and Properties. 2nd Ed. (Review) 35 1. Smyth H. F. and Obold W. L. Industrial Microbiology. The U tilisation of Bacteria, Yeasts and Molds in Industrial Processes (Review) 423. Smythe C. V. Titration of hydroxy organic acids in the presence of ferric and cupric salts 613.Sobotka H. and Reiner M. Selective fermenta-tion. 11. Fermentation of sugar mixtures by Sauterne yeast 267. Sommer H. H. See Gebhardt H. T. Soyka C. See Forster R. B. Spindeck F. Electrometric titration of chromium in steel and ferro-chrome 64. Spinks J. W. T. Analysis of mixtures of chlorine monoxide and chlorine 688. Splittberger A. and Nolte E. Untersuchung des Wassers 624. Stahl W. Determination of small quantities of boric acid by a flame test 340. Starkey R. L. See Waksman S. A. Stary Z. See Heller K. Stas M. E. Determination of small amounts of Stauder F. See Fischer R. Staudinger H. Anleitung zur Organischen nua!itativec x. An21yse. 2nd Ed. (Review); 216. Steenbock H. See Pruess L. M. Steenhauer A.J. See van Itallie. L. Stephenson M. Review of Bodansky’s Intro-duction to Physiological Chemistry. 2nd Ed., 139. Stevens H. P. Review of Handbuch der Kaut-schuk-Wissenschaft by K. Memmler 71. Stevens W. H. Extraction apparatus for rubber cellulose fats etc. 528. Stewart A. W. Recent Advances in Organic Chemistry. Vols. I and 11 698. - Recent Advances in Physical and Inorganic Chemistry 6th Ed. (Review) 425. Stillwell A. G. Determination of wax in shellac 62. Stitz J. and Kockbs J. Ultra-violet absorption of honeys 137. Stockdale D. and Dexter J. Revision of Clowes and Coleman’s Quantitative Chemical Analyses. 13th Ed. 698. Strafford N. See Callan T. Swann S. and Xanthakos T. 8. Cobaltic sul-phate as an oxidising agent 272. Symons C.T. Report of the Government Analyst for Ceylon for the year 1930 666. zinc in the presence of lead salts 204 INDEX TO VOLUME LVI. xvii Szab6 E. Determination of nitrite and sulphite in the presence of one another in salt mixtures and in meat products 120. - Iodimetric determination of bromide ions 480. T Tabern D. L. and Shelberg E. F. Determination of sodium in organic compounds by the uranyl acetate method 685. Taffel A. and Revis C. Determination of rancidity in oils and fats 323. Taguchi T. See Tomoda Y. Tallantyre S. B. Detection and determination of pyridine 202. Tamaru S. and .Ando N. New method for dissolving cassiterite 481. Tankard A. R. Report of the Public Analyst and Bacteriologist for the City and County of Kingston-upon-Hull for the year 1930 657.Tattersfield F. See Martin J. T. Tiiufel K Systematic examination and evalua-tion of the Kreis reaction 541. Tiiufel K. and Miiller J. Oleic acid rancidity of fats. 11. Measurement of rancidity 259. Taylor G. See Dyer R. Taylor R. J. See Elsdon G. D. Tchakirian A. See Levaditi C. Teik G. L. See Georgi C. D. V. Thamann F. See Kehoe K. A. Thomas P. E. See Fosse R. Thompson A. See Morton R. A. Thompson A. C. See Fearon W. R. Thompson J. J. See Willard H. H. Thorne P. C. L. See Keane C. A. Thoung Chit. See Peacock D. H. Tillmans J. Riffart H. and Kuhn A. Quanti-tative determination of cholesterol and lecithin. Evaluation of egg products 118. Timmers J. C. See Okeloen B. J. Tinkier @. K. Biackening of potatoes after cooking 676.Tomoda Y. and Taguchi T. Effect of sodium bisulphite on the polarising power of sugars, 114. Topelmann H. Detection of tellurium in bismuth 63. Tourtellotta D. and Rask 0. S. Absorption of aluminium compounds 608. Trauta 0. R. Contributions to the micro-Dumas method 555. Travers A. and Ranquin -. Determinations of piperidine in a mixture of pyridine and higher homologues 203. Travers A. and Schnoutka. Separation of beryllium from aluminium 273. Treadwell F. P. and Hall W. T. Analytical Chemistry. Vol. I. Qualitative Analysis. 7th English Ed. (Review) 349. Trevethick H. P. Oil of sumac 614. Trevethick H. P. and Dickhart W. H. Kapok oil and the Halphen test 670. Tschepelewetzky H. and Posdniakowa S. Bromimetric determination of ammoniacal nitrogen 479.Tschirch E. See Kriiger D. Tiirkel S. Falschungen (Review) 141. Turner K. Fatty acids in the liver of the sheep, 50. Turner M. E. Simplification of Okey method for determination of cholesterol by oxidation of the digitonide 677. Tuthill E. See Butler A. M. U Ueno S. and Euzei N. Koryo (millet seed) oil, 117. Ueno S. and Yamasaki R. New compounds produced during the hydrogenation of fish oils 476. -New higher alcohols produced during the hydrogenation of fish oils 414. Utermohlen H. Determination of the hydrolytic acidity of decolorising earths New means of ascertaining their decolorising power 694. V Vaisman A. See Levaditi C. Valaer P. Quantitative determination of some of the constituents of rhubarb 817. Van Dijk J.A. lees R. T. A. and Waterman, H. I. Effect of high-pressure hardening of oils for the margarine industry 544. Van Druten A. Nicotine contents of Dutch cigars 260. Van Itallie L. and Steenhauer A. J. Micro-chemical identification of some barbituric acid compounds 136. Van Nieuwenburg C. J. Systematic qualitative analysis by means of modern drop reactions, 483. Van Raalte A. New coli test 199. Van Valkenburgh H. B. See Schlesinger H. I. 17a0 Veer A. G. Antimuritir ~itirnin 126. Vass C. C. N. Fastness of dyes to perspiration, Veitch F. P. See Frey R. W. Villavecchia G. V. Dizionario di Merceologia e Voelcker E. Appointment as Deputy Agricul-tural Analyst for the County of Northum-berland 398. - Review of Clowes and Coleman’s Elementary Analytical Chemistry-Qualitative and Quan-titative i37.Vollersten J. J. See Fenger F. Volmar Y. and Clavera S. M. Determination of the acidity of red wines by means of fluorescent indicators 540. Von Bergkampf E. S. Separation of iron, titanium and aluminium 337. von Eekelen M. See Emmerie A. Von Fodor K. New reaction for capsaicin 407. von Hahn F. V. Vitamin studies. 111. Vitamin von Zur-Miihlen 0. See Funk H. Vossen E. Filters made of porous hard rubber, 192. di Chimica Applicata 698. content of fruits 548. 558 xviii INDEX TO VOLUME LVI. W Wagner E. C. See Fenimore E. P. Waksman S. A. and Starkey R. L. The Soil and the Microbe 631. Walker 0. J. and Shukla S. N. Analysis of mixtures of hydrogen methane and ethane, 274. Wallace J.H. Jr. See Furman N. H. Wallis T. E. and Goldberg S. Podophyllum rhizome-American and Indian 468. Walton S. G. and O’Brien R. G. The use of bromine as a reagent in the determination of alkaloids 714. Ward A. M. See Feldstein P. Ward T. J. Review of Chamot and Mason’s Handbook of Chemical Microscopy. Vol. 11. 2nd Ed. 559. - Review of Hall’s Textbook of Quantitative Analysis 422. - Review of Piney’s Recent Advances in Microscopy. Biological Applications (195. Warren L. E. Assay of tablets of resin of podo-phyllum 752. Warren R. G, and Pugh A. J. Colorimetric determination of phosphoric acid in hydro-chloric acid and citric acid extracts of soils, 128. Washington H. S. The Chemical Analysis of Rocks. 4th Ed. (Review) 278. Wassiljew A. A. Cravimetric determination of acetylene from calcium carbide 617.Waterman H. I. See Van Dijk J. A. Wattenberg H. Direct nesslerisation of ammonia Webb H. W. See Schoeller W. R. Weinberg-Sachetti E. See Dragenesco A. L. Weinstein P. Muesmann J. ant1 Bodschwinna, W. Detection of Riegel’s “new preservative for pumpernickel,” 542. Weisselberg K. See Feigl F. Werner H. Actis: sf iedine rnoncch!cride cf: cholesterol. Determination of the iodine value 475. - Micro-determination of iodine in common salt 341. Werz W. Revision of the new iodimetric deter-mination of vanadium in alloy steels and ferrovanadium 339. West A. P. See Cruz A. 0. Westfall B. B. See Haring M. E. Fpstwood J. B. See Fletcher L. wneeier E. The Manufacture of Artiiiciai Silk (Rayon).2nd Ed. (Review) 213. Wheeler R. V. See Francis W. Whitnah C. H. Indications of glucose in milk, 184. Wichmann H. J. See Landis Q. Widdowson E. M. Method for the determination of small quantities of mixed reducing sugars and its application to determination of products of hydrolysis of starch by taka-diastase 668. - See also Archbold. H. K. Wilborn F. New acid in the oil of Conepia gvandzfEora Benth 549. in sea-water 208. Wiles R. C. Separation of calcium and mag-nesium by the molybdate method 417. Wiley R. C. Ambrose P. M. and Bowers A. D. Titration of lead salts 63. Willard H. H. and Thompson J. J. Determina-tion of mercury as periodate 830. - Volumetric determination of manganese after oxidation by periodate 831. Williams A S. Muller R.H.,. an? Niederl J. B. Quantitative micro-determination of certain hydroxy-acids by means of the photo-electric cell 619. Willmott S. G. Annual Report of the Govern-ment Analyst for Cyprus for the year 1929, 458. Wilson H. F. See Marvin G. E. Wilson J. S. Appointment as Additional Public Analyst for the County Borough of Burnley, 530. Wilson M. See Ewing D. T. Winkler L. Die Chemische Analyse 698. Winslow C. A. See Prescott S. C. Wokes F. See Dyer F. J. Wolff L. K. See Emmerie. A. Whllmer W. Analysis of hops 261. Woo S. C. and Yost D. M. Volumetric deter-mination of iridium 336. Wood D. R. A simple calculation of the limit of Yalue of the microscopical examination of milk for tubercle bacilli 179. Wood D. R. and Illing E. T. Investigation of the occurrence of B.abovtus (bang) in the milk of English herds (County of Somerset), 105. Wood D. R. Illing E. T. and Fletcher A. E. The diyhenylamine test for nitrates in milk as a means of detecting added water and the effect of drenching cows with “nitre,” 248. Determination of potassium in dilute solutions 486. Wrangel M. x Xanthakos T. S. See Swann S. Y Yagoda H. and Partridge H. M. Detection of Yamamoto K. See Kobayashi K. Yamasaki R. See Ueno S. Yasnds K. Contributinns tn the micm-deter-mination of cholesterol 620. Yoshimatsu S. Colorimetric determination of calcium in blood 755. - Microchemical determination of magnesium in blood without removing calcium 75G. Yost D. M. See Woo S. C. cobalt as caesium cobaltinitrite 206. Z Zilva S.S. Zwikker J. J. L. Anti-scorbutic fraction of lemon Toxicological detection and juice. IX. 265. isolation of barbital 758 INDEX TO VOLUME LVI. INDEX TO A Abietic Acid Colour reaction of colophony and -. H. Griffon 828. Acetaldehyde Effect of - on the germination of fungal spores 532. in ether; Tcsts for -. G. Middleton and F. C. Hymas 238. Acetamides Use of benzylic potassium hydroxide for determining acetyl groups in substituted -. S. Sabetay and J. Sivadjian 475. Acetic Acid in lead acetate; Volumetric ben-zidine method for determining -. J E. S. Han and T. L. Chu 830. poisoning. 13. W. Blair 696. Removal of marks from eggs with -. (Legal Notes) 32. Acetone hydrocarbon in alcohol containing - ; Determination of small proportions of.R. W. Hoff 682. in ether; Tests for -. G. Middleton and F. C. Hymas 243. Acetyl groups in substituted acetamides ; Use of benzylic potassium hydroxide for deter-mining -. s. Sabetay and J. Sivadjian, 475. Lematte G. Boinot E. Kahane and M. Kahane 408. Acetylene Gravimetric determination of -from calcium carbide. A. A. Wassiljew 617. Acid Chlorides Influence of pyrrole and -on the colour test for reactive orgit~io-IiietdIic compounds. H. Gilman and L. L. Heck 199. Acid Clay Colour reaction of Japanese -with carotene. K. Kobayashi K. Yamamoto and J. Abe 198. Acid Dichomate as a means of determining alcohol in dilute solution compared with the specific gravity method. S. G. Liversedge, 595. Acido-Proteolytic bacteria in pasteurised milk.C. Gorini 127. Acids Fatty -. See Fatty Acids. hydroxy organic - in presence of ferric and cupric salts ; Titration of C. V. Smythe 613. hydroxy- ; Quantitative micro-analytical determination of certain - by means of the photo-electric cell. A. S. Williams, R. H. Muller and J. B. Niederl 619. Non-volatile organic - in barley maize, oats and rye plants E. K. Nelson and H. H. Mottern 672. Organic - in honey. E. K. Nelson and H. H. Mottern 403. Acetylcholine Determination of - . L. SUBJECTS. Acids-continued. organic - in urine; Fading of tropaeolin K. L. McCluskey, Acridine dyestuffs ; Use of - for determining Admiralty disinfectant fluid ; Testing of -. Aerated Waters Mineral contamination of Agricultural analysis ; Abstracts 128 825.Analysts ; Official appointment of -, Analysts’ Reports. See Ceylon. Experiment Station Connecticut. Report on food products and drug products for the year 1929 535. Produce (Grading and Marking) Act 1928. Duties of Officers under - 319. Produce (Grading and Marking) (Canned Fruits Peas and Beans) Regulations, 1930 108. Produce (Grading and Marking) (Cider) Regulations 1931 317. Produce (Grading) (Potatoes) Regulations, 1929. No. 1117 43. Air of cotton card rooms; Nature of the dust in -. British Cotton Industry Research Association 210. Aktivin 51. Albumin Combined determination of globulin and -. G. M. Moir 228. Separate dzterminaticn d g!cbulin 2nd -G. M. Moir 232. Alcohol Calculation of - from the specific gravity.J. F. Liverseege 529. containing acetone ; Determination of small proportions of hydrocarbon in -. R. W. Hoff 682. Ethyl -. See Ethyl alcohol. in dilute solution ; Determination of - by means of acid dichromate. compared with the specific gravity method. S. G. Liver-sedge 595. Isopropyl -. See Isopropyl Alcohol. Methyl -. See Methyl Alcohol. New higher - produced during the hydro-genation of fish oils. S. Ueno and R. Yamasaki 414. Aldehyde content of organic compounds ; Determination of - Estimation of phenylhydrazine S. Marks and R. S. Morrell 508. Aldose sugars ; Determination of - by titra-tion with standard iodine and alkali solu-tions. G. M. Kline and S. F. Acree 48. 00 in the titration of. 195. nitrites. W. M. Kubel 325. T. C. Patterson and R.C. Frederick 93. - 182. 180 181 398 xx INDEX To VOLUME LVI. Alkaline Earth Metals Interference of - in the determination of lead. J. Majdel 203. Qualitative and quantitative micro-analysis. K. Heller and 2. Stary 691. Alkaloid bases of Calabar beans ; Determination of -. M. Polonovskiand J . Cappelaere 818. Alkaloids Rromine as a reagent in determining -. S. G. Walton and R. G. O’Brien 714. Identification of - by precipitation. C. C. Fulton 121. in cinchona bark. Determination of total -. P. A. W. Self and C. E. Corfield 52. microchemical identification of - ; System for. Micro-crystallographic identification of bar-bituric -. G. Denigbs 689. New - discovered 1920-1929 inclusive. J. I?. Couch 559. means of potassium iodomercurate.L. Maricq 120. Alkyl and aryl halogen; Separation of -. Q. Landis and H. J. Wichmann 61. Allanblackia oil seeds 188. Allantoinase in fungi ; Presence of -. (Test for glyoxylic acid.) A. Brunel 264. Allen’s Commercial Organic Analysis. Vol. VIII. 5th Ed. (Review) 68. Allolactose A new sugar of human milk. M. Polonovski and A. Lespagnol 539. Alloy steels ; Determination of phosphorus in -. A. T. Etheridge 14 454; N. D. Ridsdale 452. steels ; Revision of the new iodimetric deter-mination of vanadium in -. W. Werz, 339. Alloys aluminium-; Investigation on -. 664. Allylcocaine and cocaine in narcotics. H. Emde, Almond Notes on the histology of the -. Almonds Essential oil from -. 257. Alum as aduiterant of iooci 667. Aluminium alloys ; Investigation on - 664.beryllium in - ; Determination of. H. V. Churchill R. W. Bridges and M. F. Lee 65. Biochemistry of -. I. Excretion and absorption of - in the pig. K. Mackenzie, 54. 11. Excretion and absorption of -in the rat. compounds; Absorption of - . D. Tourtellotte and 0. S. Rask 608. Drop reaction for - 484. in leather ; Identification of - 335. in printing inks; Identification of -. L. M. Larsen 64. Separation of beryllium from -. A. Travers and Schnoutka 273. Separation of iron titanium and -. E. S. von Bergkampf. 337. Amber Oil of - (Oleurn Succini). T. T. Cocking 200. Amides Biuret reaction of di-acid -. M. M. Rising J. S. Hicks and G. A. Moerke 130. Amines aromatic - New colour reaction J. F. H. Amelink 418. Potentiometric determination of - by 606.V. A. Pease 187. K. Mackenzie 470. Amines-con tiwed. in tannery lime liquors ; Determination of - E. K. Moore J. H. Highberger, R. Koppenhoefer and F. O’Flaherty 614. Interaction of phenols and - with aryl-sulphonyl chlorides. F. Bell 802. Amino Nitrogen Apparatus for determining small quantities of -. J. C. Harral 527. Ammonia Analytical applications of the reaction of - on resorcinol in the presence of cations. L. Bey 62. colorimetric determination of traces of - . K. G. Makris 617. in sea-water; Direct nesslerisation of -. H. Wattenberg 208. New sensitive reaction of -. K. G. Makris, 341. Poisoning by -. R. W. Blair 654. Ammoniacal nitrogen ; Bromimetric deter-mination of -. I. B. Levy 478; 11. H. Tschepelewetzky and S.Posdniakowa 479. Ammoniated Quinine tablets 655. Ammonium Drop reaction for - 484. Ammonium Fluoride Decomposition of re-fractory silicates by fused - and its application to the determination of silica in glass sands. A. C. Shead and G. F. Smith 274. Ammonium Salts added to vinegar. C. A. Mitchell 178. Anaesthetic chloroform ; New method for detecting decomposition products in -. N. L. Allport 706. Analysis by Elutriation. (Review) H. Gessner, 358. Chemical -. See Chemical Analysis. Inorganic -. See Inorganic Analysis. Organic -. See Organic Analysis. Qualitative -. See Qualitative Analysis. Quantitative -. See Quantitative Analysis. Standard methods of - 225. Volumetric -. Part 11. I. M. Kolthoff 624. Analyticai Chemistry.Voi. I. Quaiitative Analysis. 7th English Ed. (Review) F. P. Treadwell and W. T. Hall 349. Chemistry ; Elementary -. Qualitative and Quantitative. 11th Ed. (Review), F. Clowes and J. B. Coleman 137. Chemistry ; Recent Advances in -. Edited by C. A. Mitchell. Vol. I. Organic Chem-istry. (Review) 279. Vol. 11 Inorganic Chemistry. (Review) 839. Methods ; Standing Committee on Uniformity of -. Appointment of Sub-committee on Unsaponifiable Matter in Fats and Unsaponified Fat in Soaps 738, Methods ; Standing Committee on Uni-formity of -. Essential Oil Sub-Committee Report 738. Angola Some oleaginous forest seeds of -. C. de M. Geraldes A. d’Almeida and C. Duarte 188. Aniline poisoning 744. Aniline Hydrochloride as a means for the colori-metric determination of chlorates.R. A. of. I. de Paolini 129. Jones 807 INDEX TO VOLUME LVI. xyi Animal nutrition ; Some biochemical and physiological aspects of copper in -. I. J. Cunningham 820. Aniseed Oils Abnormal - and B.P. require-ments. W. M. Seaber and s. Marshall, 605. Antibacterin as preservative for bread 542. Antilogarithms Non-interpolating Logarithms, Cologarithms and -. (Review) F. W. Johnson 426. Antimony Drop reaction for - 484. Electrolytic separation of lead and -, and its application to the determination of lead in tartar emetic. E. M. Collin and H. J. S. Sand 90. Interference by - with the lead reduction method for the volumetric determination of tin. S. G. Clarke 82. reduction of tin and - prior to titration ; New method of.€3. S. Evans 171. Antimony Chloride reaction; Vitamin A and the -. A. Emmerie M. von Eekelen and L. K. Wolff 756. solution ; Storage and delivery apparatus for - and other corrosive reagents. G. Middleton 236. Antimony Trichloride colour reaction for vitamin A Study of -. E. K. Norris and A. E. Church 197. 111. Effect of concentration of reagent used and the stability of the chromogenic substance to light. E. R. Norris and A. E. Church 126. colour test and the ultra-violet absorption of liver oils and concentrates. A. E. Gillam and R. A. Morton 822. colour test for vitamin A Critical study of the -. W. R. Rrode and M. A. Magill, 546. Reaction of - with cod liver oil and its unsaponifiable fraction. E. L. Smith and test for cod liver oil 457.vitamin ; Isolation of the -. A. Seidell and V. Birckner 547. Anti-Oxidants and the autoxidation of fats. H. A. Mattill 200. Antipyrrin in pyrarnidone ; Determination of -. M. Ribere 123. Antirachitic activatibility of mould mycella. L. M. Pruess W. H. Peterson H. Steenbock and E. I3. Fred iM. Anti-Scorbutic fraction of lemon juice. IX. S . S. Zilva 265. Apomorphine Bromine as a reagent in deter-mining -. 728. Apparatus Abstracts 66 136 310 342 420, 557 692 767. Apple reducing sugars in the - ; Iodimetric determination of. 13. I<. Archbold and E. M. Widdowson 462. waxlike coating on the surface of the -during growth and storage ; Progressive changes in. K. S. Markley and C. E. Sando 609. poisoning cases in Madras 665.v. Iladey 205. Antineuritic vitamin. A. G. van Veen 126. Apples Aspergilli and their relation to decay in cold store ; Chemical changes in - 533. Vitamin content of - 532 548. Applied Chemistry ; Reports of the Progress of -. Vol. XV for 1930. (Review) 486. Appointments Official -. 105 180 398. 530 598. Apricots Sulphur dioxide in dried -. 314. vitamin C content of -; Effect of drying and sulphuring on. A. F. Morgan A. Field and P. F. Nicholls 329. Arachidic Acid Absence of - from cocoa butter. 0. Luning and W. Drude 603. Arginine Studies on -. I. Rate of catabolism of - in rats including method for determination of - in biological material. V. C. Kiech J. M. Luck and A. H. Smith, 327. Aromatic smines ; New colour reaction of -. I.de Paolini 129. ketones and benzils; Reduction of - by triphenylmagnesium bromide. W. E. Bachmann 653. Arsenic Atomic weight of -. 538. Drop reaction for --. 484. in Donovan’s solution ; Deterniination of -. T. T. Cocking 262. Arsenical poisoning. 744. Artificial Cream Act 1929 An appeal case Artificial Silk Manufacture of -. 2nd Ed. (Review) E. Wheeler 213. Aryl and alkyl halogen ; Separation of -. Q. Landis and II. J. Wichmann 61. Arylcarbrmides Use of - in identifying hydroxylic compounds. G. T. Morgan and A. E. J . Pettet 612. Arylsulphonyl Chlorides Interaction of amines and phenols with -. 1’. Bell 802. grown Asparagus Vitamin A content of -Crist and M. Dye 410. Aspergilli and their relation to decay in apples. G. A. Huber 199. in cotton goods; Identification of -.G. Smith 268. Asteriastigma Macrocarpa Oil from the seeds of -. D. H. Peacock and Chit Thoung, 117. Atmospheric ozone ; New method for the optical determination of -. A. I. Duninowski, Report of Dept. of Scientific and Industrial Research on observations in year ending 31st March, 1930. 254. Atomic weights ; First report of Committee on - of the International Union of Chemis-try. 538. in -. G. A. Huber 199. under -. (Legal Notes) 253. -inJa- U l l U U l light =f vari=us c,naKties J. W. . ,. LSb. pollution ; Investigation of -. B Bacilli tubercle- ; A simple calculation of the limit of value of the microscopical examina-tion of milk for -. D. R. Wood 179 xxii INDEX TO VOLUME LVI. B. Abortus in the milk of English herds ; Investi-gation of the occurrence of -.D. R. Wood and E. T. Illing 105. Bacon Chemical changes in the fat of frozen -. C. H. Lea 759. Bacteria Acido-proteolytic - in pasteurised milk. C. Gorini 127. causing ropiness in bread. 572. Effect of - on the spoilage of fish. 533. in commercial milk. 658. Inter-relationships of plankton and - in natural purification of polluted water. C. T. Butterfield and W. C. Purdy 330. Thermophilic-inmilk. M. I. Christian 411. Utilisation of Yeasts Molds and - in Industrial Processes. (Review) H. F. Smyth and W. L. Obold 423. Bacterial growth-promoting factor with vitamin B,; Identity of a -. J. G. Davis and J. Golding 56. metabolism; Pyruvic acid in -. K. P. Cook 57. Bacteriological analysis ; Abstracts 57 127, 199 330 267 411 474 610 759.standards for bottled new milk and sterilised milk. 600. Technique. 3rd Ed. (Review) J . W. H. Eyre 772. Bacteriology Dairy -. 2nd Ed. (Review), Orla- Jensen 775. 5th Ed. (Review), S. C. Prescott and C. A. Winslow 347. Baking Powder carbon dioxide in - ; Direct determination of available. M. R. Coe 327. Balanites oil seeds 188. Balsams Assay of official -. T. T. Cocking, 673. Bang in the milk of English herds ; Investigation of the occurrence of -. D. R. Wood and E. T. Illing 105. Banisterine Hydrochloride 419. Barbit& T~iiicdogi~~i! detection arid isolation of -. Barbituric alkaloids ; Micro-crystallographic identification of -. Barbituric Acid compounds ; Microchemical identification of some -.L. van Itallie and A. J. Steenhauer 136. Barley diastase method for starch in cereal products 185. Faced pearl -. 455 741. germs ; Essential oil from -. 257. plant; Non-voiatiie organic acids in -. E. K. Nelson and H. H. Mottern 672. Beans Agricultural Produce (Grading and Beef Chemical changes in fat of chilled -. suet ; Labelling of -. 313 740. tallows ; Glyceride structure of -. A. Beeswax Investigation of Japanese -. Beet odour and taste in milk and butter; Elements of Water -. J. J. L. Zwikker 758. G. Deniges 689. preparations ; Analyses of - 535. Marking) (-) Regulations 108. C. H. Lea 610. Banks and T. P. Hilditch 816. H. Ikuta 430. Cause of -. P. Post. 402. Beet Sugar effluent. 107. Beilstein’s Handbuch der Organischen Chemie ; A Brief Introduction to the Use of -.(Review) E. H. Huntress 842. Bell’s Sale of Food and Drugs Acts. 8th Ed. (Review) R. A. Robinson 420. Error on page 211 of -. 807. Bentonite Removal of colloids from honey by -. R. E. Lothrop and H. S. Paine 402. Benzidine Volumetric - method for deter-mining acetic acid (acetate radicle) in lead acetate. J. E. S. Han and T. L. Chu, 830. Benzils Reduction of aromatic ketones and - by triphenylmagnesium bromide. W. E. Bachmann 683. Benzoic Acid Detection of -. A. N. Leather, 299. Detection of - as methyl ester. L. Pick, 466. in food and drugs; Microchemical tests for - . R. Fischer and F. Stauder 275. Micro-reaction for --. 303. Benzylic Potassium Hydroxide Use of - for determining acetyl groups in substituted acetamides.S. Sabetay and J. Sivadjian, 476. Beryllium in aluminium ; Determination of - H. V. Churchill K. W. Bridges and M. I?. Lee 65. Travers and Schnoutka 273. Biazzo reagent for copper in organic matter, 685. Bihar and Qrissa Annual Report of the Chemical Analyst for - for the year 1930. J. C;. Das 400. Bilberry juice; Detection of - by means of Pfahl’s reaction modified for use with sweet wines. R. Ofner 672. juice ; Refractometric studies on -. 461. Bioassays A Handbczk cf Quantitative P k r -macology. Biochemical analysis ; Abstracts 54 123 190, 263 327 409 470 543 608 676 754 820. Biochemistry Monographs of -. Enzymes. (Review) J. €3. S. Haldane 343. of aluminium. I. Excretion and absorption of aluminium in the pig.K. Mackenzie 54. 11. Excretion and absorption of aluminium in the rat. K. Maclienzie 470. Principles of Plant -. Part I. (Review), M. -W. Onsiow 346. Biological material ; Application of the uranyl zinc acetate method of determining sodium in -. A. M. Butler and E. Tuthill 764. material ; Determination of arginine in -. V. C. Kiech J. M. Luck and A. E. Smith, 327. value of cereal proteins and casein ; Effect of heat upon the -. A. F. Morgan 328. Biologie Arbeitsmethoden der Trinkwasser . H. Beger 698. Biologischen Arbeitsmethoden ; Handbuch der. Separation of aluminium from - . A. (Review) J. C. Munch 490. -Lieferung 308. (Review) E. Abderhalden, 422. Lieferung 366 698 INDEX TO VOLUME LVI. xxiii Birmingham Report of the City Analyst for - (H.H. Bagnall) for the Third Quarter, 1930 30 ; for the Fourth Quarter 1930 312. Annual Report for 1930 598; for the First Quarter of 1931 655 ; for the Second Quarter of 1931 740. Bismuth Drop reaction for -. 484. Rapid gravimetric determination of elementary -. J. Dick 203. Simultaneous volumetric determination of lead and -. H. T. Bucherer and F. W. Meier 336. H. Topel-mann 63. Bismuth Tartrates Electrometric studies of complex-formation. 11. - . C. Morton, 469. Biuret reaction of di-acid amides. M. M. Rising, J. S. Hicks and G. -4. Moerke 130. Black Draught W. Partridge 29. Blackberry juice ; Refractometric studies on Blood calcium in ___ ; Colorimetric deter-mination of. s. Yoshimatsu 755. Determination of percentage saturation of carbon monoxide in - by means of the Hartridge reversion spectroscope.R. C. Frederick 56 1. Magnesium in - determined microchemic-ally without removing calcium. S. Yoshi-matsu 756. of fish eels and turtles ; Phosphorus distribu-tion sugar and haemoglobin in -. C. M. McCay 263. Body f a t ; Effect of ingested cotton seed oil on the composition of -. N. R. Ellis C. S. Rothwell and W. 0. Pool 609. Bombs Examination of -. 666. Bookbinding leathers; Decay of -. tellurium in -; Detection of. -. 461. K. W. Frey and I. D. Clarke 762. Preservation of leather -. R. W. Frey and F. P. Yeitch 559. Books Reviews of Abderhalden E. Handbuch der Biologischen Arbeitsmethoden. Lie-ferung No. 308. 422. Atack F. W. The Chemists’ Year Book, 1931.632. Auden H. A. Sulphuric Acid and its Manu-facture. 493. Barr G. A Monograph of Viscometry. 496. Bodansky M. Introduction to Physiological Bywaters H. W. Cocoa and Chocolate Manufacture. 69. Chamot E. M. and Mason C. W. Handbook of Chemical Microscopy. Vol. 11. 2nd Ed. 559. Clowes F. and Coleman J. B. Elementary Analytical Chemistry-Qualitative and Quantitative. 11th Ed. 137. Durrans T. H. Solvents. 2nd Ed. 695. Emich F. Mikrochemisches Praktikum. 2nd Ed. 138. Eyre J. W. H. Bacteriological Technique. 3rd Ed. 772. Chemistry. 2Ed Ed. 139. Books Reviews of-continued. Feigl F. Qualitative Analyse mit Hilfe Findlay A. Chemistry in the Service of Findlay A. Practical Physical Chemistry. Findlay A. The Spirit of Chemistry.140. Gessner H. Die Schlammanalyse 352. Glaister J. A Study of Hairs and Wools. Haas A. Quantum Chemistry. 275. Haldane J. B. S. Monographs on Bio-chemistry. Enzymes. 343. Hall W. T. Textbook of Quantitative Analysis. 422. Harrison G. A. Chemical Methods in Clinical Medicine. 346. Holleman A. F. A Textbook of Organic Chemistry. 21 1. Huntress E. H. A Brief Introduction to the Use of Reilstein’s Handbuch der Organischen Chemie. 842. International Register of Spas and Medicinal Waters. 776. Jensen R. H. Chemistry Flavouring and Manufacture of Chocolate Confectionary and Cocoa. 768. Johnson C. H. Chemical Analysis of Special Steels. 4th Ed. 213. Johnson F. W. Non-interpolating Logarithms, Cologarithms and Antilogarithms 426. Klein von G.Handbuch der Pflanzen-analyse. Vol. I. 621. Kolthoff I. M. Die Massanalyse. Part 11. 2nd Ed. 842. Lunge and Keane’s Technical Methods of Chemical Analysis. 2nd Ed. Vol. 111. 769. Machon H. Die Bestimmung and Bedeutung der Wasserstoffionen Konzentration in der Gerberei. 844. Marvel C. S. (Editor). Organic Syntheses : an Annual Publication of Satisfactory Methods for the Preparation of Organic Chemicals. 842. Mellor J. W. A Comprehensive Treatise on Inorganic and Theoretical Chemistry. Vol. XI. 838. Memmler K. and Others. Handbuch der Kautschuk-Wissenschaft. 7 1. Mitchell C. A. (Editor). Allen’s Commercial Organic Analysis. Vol. VIII. 5th Ed. 58. Recent -Advanr.PS in Analytical Chemistry. Vol. I. Organic Chemistry. 279. Vol. 11. Inorganic Chemistry.839. Muller E. A Laboratory Manual of Electro-chemistry. 621. Munch J. C. Bioassays. ,4 Handbook of Quantitative Pharmacology. 490. Nasini R. I Soffioni e i Lagoni della Toscana e la Industria Boracifera. 215. Onslow M. W. The Principles of Plant Biochemistry. Part I. 346. Orla- Jensen. Dairy Bacteriology. 2nd Ed. 775. von Tiifelreaktionen. 492. Man. 843. 5th Ed. 276. 696. Mitchell c. A. (Editor) xxiv INDEX TO VOLUME LVI . Books Reviews of-continued. British wines ; Non-alcoholic -. 600. Piney A. Bromate titrations ; Internal indicators for -. Biological Applications. 695. Plucker W. Tabellen. und Rechenbuch fur Bromide in chloride ; New process for deter-Nahrungsmittelchemiker. 344. mining small amounts of -. B. s. Plucker W.Untersuchung der Nahrungs- und Evans 590. Genussmittel Allgemeine Methoden. 344. ions ; Iodimetric determination of -. Poucher W. A. Perfumes Cosmetics and 2. Szabo 480. Soaps with Special Reference to Synthetics. Bromides chloride in - ; Determination of 3rd Ed. Vols. I and 11. 348. traces of. I. E. Orlow 554. Prescott S. B. and Winslow C. A. Elements Bromimetric determination of ammoniacal of Water Bacteriology. 5th Ed. 347. nitrogen. I. B. Levy 478 ; 11. H. Tsche-Robinson R. A. Bell’s Sale of Food and pelewetzky and S. Posdniakowa 479. Drugs Acts. 8th Ed. 420. method for determining mixtures of isomeric Rosenthaler L. The Chemical Investigation unsaturated compounds. R. P. Linstead of Plants. 489. and J. T. W. Mann 414. Sherman H. C. and Smith S. L. The Vita- Bromine as a reagent in the determination of mins.2nd Ed. 491. alkaloids. S. G. Walton and R. G. O’Brien, Smithells C. J. Impurities in Metals. Their 714. Influence on Structure and Properties. Bronze Manganese in - determined volu-2ndEd. 351. metrically. 831. Industrial Buckwheat germs ; Essential oils from -. 257. Microbiology. The Utilisation of Bacteria Buffers Use of - in determining colours Yeasts and Molds in Industrial Processes. (dyes) by means of titanium trichloride 11. 423. 0. L. Evenson and R. H. Nagel 413. Society of Chemical Industry. Reports of the Bullets Imprint of cloth on -. 667. Progress of Applied Chemistry. 486. Burnley Appointment of Additional Public Staudinger H. Anleitung zur Organischen Analyst for County Borough of -. 530. Qualitativen Analyse.2nd Ed. 816. Butter beet odour and taste in - ; Cause of. Stewart A. W. Recent Advances in Physical P. Post 402. and Inorganic Chemistry. 6th Ed. 425. packing of - ; Irish regulations for. 149. Treadwell F. P. and Hall W. T. Analytical Reichert Polenske and Kirschner values of Chemistry. Vol. I. Qualitative Analysis. rancid -. G. D. Elsdon R. J. Taylor 7th English Ed. 349. and P. Smith 515. Tiirkel S. Falschungen. 141. vitamin A in --; Determination of. G. E. Washington H. S. The Chemical Analysis Morgan and K. H. Coward 757. of Rocks. 4th Ed. 278. Butter Fat (Ghee). N. N. Godbole and Sadgopal. Wheeler E. The Manufacture of Artificial 624. Silk (Rayon). 2nd Ed. 213. Butter Fats Glyceride structure of -. T. P. Hilditch and J. M. Sleightholme 541.Butyl Chloride with diethyl phthalate in ethyl alcohol I Determination of small proportions Bubb 551. 2.3-Butyleneglycol in wine and fruit wine ; Origin occurrence and detection of -. of - by a flame test. W. Stahl 340. J. Pritzker and R. Jungkunz 258. Butyric Acid Adulteration of sweet wine and 215. its detection by determination of the lower Bournemouth Termination of appointment o f fatty acids (-). A. Miermeister and F. W. Hoyland as Additional Public F. Battay 404. Analyst for the County Borough of -. in edible fats; Determination of -. J. 598. Brandy I’soyropyi alcohol in - detected by in f~odstuffs ; DetectizE determination and means of piperonal. G. Reif 116. occurrence of -. J. Grossfeld and F. Brazil Nut Oil Expressed -. H. A. Schuette Battay 403.Recent Advances in Microscopy, G. F. Smith and H. H. Bliss 554. Smyth H. F. and Obold W. L. Borax honey 599. Bordetinx Mixtare Determination of lead anc 3 Refined -. (Legal Notes). 182. copper in lead arsenate and -. J. C:. of -. R. W. Hoff 683. Boric Acid Determination of small quantities (Review) R. Nasini Industry of Tuscany. Grossfeld and F. Battay 750. and W. W. F. Enz 669. Improver for -. 257. Cabbage Lead arsenate in - 32. Phosphatide contents of varieties of -. Cacao beans; Catechin of -. W. B. Adam, B. Rewald 113. F. Hardy and M. Nierenstein 270. Preservatives for -. 542. beans Fat and phosphatide contents of -. Ropiness in -. 572. €3. Rewald and H. Christlieb 465. Bristol Report of the Public Analyst and beans ; Natural phosphatide content of -Bacteriologist (E.Russell) for the City and B. County of - for the year 1930. 699. Rewald and H. Christlieb 603. Bread ash of - ; Determination of. F. C Bernardini and E. A. Gauthier 257. and its change during manufacture INDEX TO VOLUME LVI. xxv Cadmium Detection of -. J. S. Pierce and W. T. Forsee 416. Drop reaction for -. 484. in organic matter ; Colorimetric determination of traces of -. L. T. Fairhall and L. Prodan 412. Quantitative separation of copper and -by reduction with potassium formate. E. I. Fulmer 687. zinc in - ; Determination of. A. R. Powell 479. Cadmium Ammonium Phosphates Rapid gravi-metric determination of -. J. Dick 203. Caesium Determination of - particularly in mineral waters. L. Fresenius 834.Caesium Cobaltinitrite Detection of cobalt as -. H. Yagoda and H. M. Partridge 206. Caffeine quinine in presence of - ; Deter-mination of. 718 721. Calabar Beans Determination of the alkaloid bases of - . M. Polonovski and J. Cappelaere 818. Detection of small quantities of -. N. Evers 293. in blood ; Colorimetric determination of -. S. Yoshimatsu 755. in Dolomitic limestones ; Determination of - by means of saccharate solutions. A. C. Shead and B. J. Heinrich 65. in milk; Determination of - by the trichloroacetic acid filtrates. G. P. Sanders, 401. Microchemical determination of magnesium in blood without ,removing -. S. Yoshi-matsu 756. Quantitative determination of - by means of picrolonic acid. R. Dworzak and W. Reich-Rohnvig 832.Separation of magnesium and - by the molybdate method. R. C. Wiley 417. Cdcinm CarbiCe Grzvimetric d e t e r n i m t l n n of acetylene from -. A. A. Wassiljew 617. Calcium Phosphate lead in - ; Rapid deter-mination of small quantities of. J. R. Nicholls 594. Camphor Oil cineole in - ; Determination of, 738. Cane Sugar containing formic acid. 600. Canned Fruits ; Agricultural Produce (Grading and Marking) (-) Regulations. 108. Capillary tube viscometer for measuring the viscosity of soiutions of ceiiuiose in cupram-monium hydroxide solution. R. W. Kinkead 692. Caproic Acid in edible fats ; Determination of -. Capsaicin New reaction for -. K. von Fodor, 407. Caraway Oil carvone in - ; Hydroxylamine method of determining. C. T. Bennett and T.T. Cocking 79. Carbamate reagent for copper in organic matter. 685. Carbolic powder; Valuation of -. C. E. Calcium Atomic weight of -. 538. J. Grossfeld and F. Battay 750. Carbon in high sulphur steels ; Determination of - by direct combustion. H. A. Bright and G. E. F. Lundell 205. in mercury compounds ; Micro-combustion of -. M. Furter 341. steels ; Determination of phosphorus in -. A. T. Etheridge 17. Carbon Dioxide Colorimetric method for determining -. E. M. Emmert 836. in baking powder ; Direct determination of available -. Carbon Disulphide Detection of - . F. Feigl and K. Weisselberg 271. Carbon Monoxide poisoning. R. C. Frederick, 561. J. S. Haldane 571. produced from painted surfaces in confined spaces; Determination of -.F. H. Newington 757. Volumetric determination of - by means of a suspension of iodine pentoxide in fuming sulphuric acid. H. A. J. Pieters 550. Carbonate number in water analysis. 0. hlayer, 766. Carbonyl content of organic compounds ; Estima-tion of phenylhydrazine. S. Marks and R. S. Morrell 508. Carminic Acid test for zirconium. 209. Carotene Colour reaction of Japanese acid clay with -. I<. Kobayashi K. Yaniamoto and J. Abe 198. Conversion of - into vitamin A by fowls. N. S. Capper J. M. W. McKibbin and J. H. Prentice 473. Unsaponifiable lipids of lettuce. I. -. H. S. Oleovich and H. A. Mattill 409. {Carvone in caraway and dill oils ; Hydroxyl-amine method of determining -. C. T. Bennett and T. T. Cocking 79. [Casein Chemistry of separation of -.G. M. Moir 2. Effect of heat upon the biological value of cereal prnteim and -. A. F. Morgan. 328. precipitate; Identity of the - in the determination of milk proteins. G. M. Moir 73. Proposed modified method for --. G. M. Moir 147. Cassiterite New method for dissolving -. S. Tamaru and N. Ando 481. Castor Oil An oil resembling -. (Oil of Wrightsia Dubard and Eberhardt). M. L. Margaiiiaii 266. Estimation of -. Determination of the hydroxyl content of organic compounds. S. Marks and R. S. Morrell 428. Oxidation of officinal - by potassium permanganate. Study of triazelain. G. Schuster 188. M. R. Coe 327. pills. 314. Pyrolysis of -. 61. Catechin of the cacao bean. W. B. Adam F. Cattle cake; Warranties as to - (Legal Hardy and iM.Nierenstein 270. Notes). 30. Coulthard 251. food ; Lime skins as -. 183 xxvi INDEX TO VOLUME LVI. Cat tle-continued. Foods ; Microscopic Examination of -. S. T. Parkinson and W. L. Fielding 142. Caustic Alkali test for aldehyde in ether. 239. Cell Photo-electric - as a means for the quantitative micro-analytical determination of certain hydroxy-acids. A. S. Williams, R. H. Muller and J. B. Niederl 619. quinhydrone - for rapid work ; A simple, inexpensive. J. G. Davis 449. Cellulose Determination of -. K. Kurschner and A. Hoffer 332. Extraction apparatus for - . W. H. Stevens 528. lacquer ; Risks in using -. 744. viscosity of solutions of - in cupram-monium hydroxide solution ; Measurement of. R. W. Kinkead 692. Cellulosic gels of the wheat grain ; Colorimetric micro-reactions of the -.P. Brubre, 66. material ; Determination of solubility number : Micro method for measuring the extent to which a - has been chemically modified or degraded. C. R. Nodder 690. Cement Magnesium in Portland - deter-mined by 8-hydroxyquinoline. J. C. Redmond and H. A. Bright 339. Cephaeline Bromine as a reagent in determining Cereal plants ; Non-volatile organic acids in -. E. K. Nelson and H. H. Mottern 672. products ; Determination of starch in -. C. W. Herd and D. W. Kent-Jones 184. proteins; Effect of heat upon the biological value of -. A. F. Morgan 328. R. H. A. Plimmer W. H. Raymond and J. Lowndes, 679. Vitamin R content of - and the suppoosed cnnnectinn hetween hum-an pellagra and deficiency of this vitamin.W. R. Aykroyd, 56. Ceric Sulphate as means for the electrometric titration of uranium. D. T. Ewing and M. Wilson 552. as means of determining thiosulphate. N. H. Furman and J. H. Wallace junr. 416. Cerous Nitrate Volumetric determination of fluorine by means of -. G. Batchelder and V. W. Meloche 555. Ceylon IZepUii of the A g i k d t i i d Chemist for - for the year 1929. A. W. R. Joachim, 106. Report of the Government Analyst (C. T. Symons) for - for the year 1930. 666. -. 732. products; Analyses of - 635. Cereals Vitamin B values of -. Chandu Dross 812. Cheese Bill ; Necessity for -. 314. sandwiches. (Legal Notes) 399. Tin in processed -. 251. Validity of patent for treatment of -. Chemical Analyses ; Quantitative -.(Clowes Revised by. D. Stockdale (Legal Notes) 659. and Coleman). and J. Dexter 698. Chemical-continued. Analysis ; Lunge and Keane’s Technical Methods of - 2nd Ed. Vol. 111. (Review). Edited by C. A. Keane and P. C. L. Thorne 769. Engineering and - Catalogue 1931. 282. Microscopy; Handbook of -. Vol. 11. 2nd Ed. (Review) E. M. Chamot and C. W. Mason 559. Chemicals British - and their Manufacturers, 1931. 282. Organic Syntheses An Annual Publication of Satisfactory Methods for the Preparation of Organic -. Vol. XI. (Review), Edited by C. S. Marvel 842. Chemische Analyse. L. Winkler 698. Chemistry Analytical -. See Analytical Chemistry. Elementary Analytical - . Qualitative and Quantitative. (Review) I1 t h Ed.F. Clowes and J . B. Coleman 137. Forensic - and Scientific Criminal In-vestigation. 2nd Ed. A. Lucas 698. in the Service of Man. 4th Ed. (Review), A. Findlay 843. International Union of - ; First report of the Committee on Atomic Weights. 538. Physical - ; Recent Advances in. S. Glasstone 698. Phvsical and Inorganic - . Recent Ad-vances in -. 6th Ed. (Review) A. W. Stewart 425. Physiological - ; Introduction to. 2nd Ed. (Review) M. Bodansky 139. Practical Physical -. Organic -. See Organic Chemistry. Quantum -. A. Haas 142. Reports of the Progress of Applied -. The Spirit of -. (Review) A. Findlay, Chemists’ Year Rook 1931. (Review). F. W. Cherry juice ; Refractonietric studies on -. Chloramine-T Reagent 5 1. Chlorate in perchlorate; Detection of -.T. P. Raikowa-Kowatschewa 208. Chlorates Colorimetric determination of - by means of aniline hydrochloride. R. A. Jones, 807. Chlorazene 5 1. determining small amounts of. B. S. Evans 590. in bromides; Determination of traces of -. I. E. Orlow 554. Chlorides Influence of acid - on the colour test for reactive organo-metallic compounds. H. Gilman and L. L. Heck 199. Chlorine Analysis of mixtures of chlorine monoxide and -. J. W. T. Spinks 688. in iodised oils ; Determination of -. T. T. Cocking and G. Middleton 671. Chlorine Monoxide Analysis of mixtures of chlorine and -. A. Findlay 142. No. XV for 1930. (Review) 486. 140. Atack 622. 461. cEci-& bromide in ~; &Te:y precess fer J. W. T. Spinks 688 INDEX TO VOLUME LVI.xxvii Chloroform decomposition products in anaes- . thetic -; New method for detecting. N. L. Allport 706. Poisoning by - during narcosis. A. Sartori, 331. Chocolate Confectionery and Cocoa ; Chemistry, Flavouring and Manufacture of -. (Review) H. R. Jensen 768. Manufacture ; Cocoa and -. (Review), H. W. Bywaters 69. Cholesterol Action of iodine monochloride on - Determination of the iodine value. H. Werner 475. micro-determination of - ; Contributions to the. M. Yasuda 620. Quantitative determination of lecithin and -. Evaluation of egg products. J. Tillmans H. Riffart and A. Kiihn 118. Simplification of Okey method for determining - by oxidation of the digitonide. M. E. Turner 677. Choline Determination of -. L. Lematte, G.Roinot E. Kahane and M. Kahane 408. Chromium and nickel in the same solutions; Volumetric determination of -. L. H. James 687. Atomic weight of -. 538. Drop reaction for -. 484. in leather ; Identification of -. 335. in steel and ferro-chrome ; Electrometric titration of -. F. Spindeck 64. in steel; Determination of traces of -. W. J. Agnew 24. Iodimetric determination of -. E. Schulek and A. Dizsa 832. Chromium Steel vessels for analytical purposes. A. Kriiger 767. Cider Agricultural Produce (Grading and Marking) (-) Regulations 1931. 317. Cigars Nicotine content of Dutch -. A. Van Druten 260. Cinchona alkaloids; Bromine as a reagent in determining -. 714. bark ; Determination of total alkaloids in -. P. A. W. Self and C. E. Corfield 52.Tercentenary Celebration and Exhibition, 1930. 142. Cinchonidine quinine in presence of - ; Determination of. 7 17. Cinematograph films ; Deterioration of -. 81 1. Cineole in camphor oil and other cineole-cnntaining oils ; Determination of. Cinnamic Acid in foodstuffs ; Detection of -. 301. Citric Acid extracts of soils ; Colorimetric deter-mination of phosphoric acid in -. R. G. Warren and A. J. Pugh 128. vinegar. 537. 738. Citronella Oil investigations. 106. Cloth identified by means of ultra-violet light. 667. Cloths Examination and commercial analysis of cotton -. R. H. Kay 647. Coal Studies in the composition of -. Methods for rational analysis of -. W. Francis and R. V. Wheeler 333. Imprint of - on a bullet. 667. Coal-Tar disinfectants ; Limitations of phenol coefficients of -.C. M. Brewer and G. L. A. Ruehle 330. as caesium cobalti- Cobalt Detection of -nitrite. H. Yagoda and H. M. Partridge 206. Drop reaction for -. 484. Electrolytic determination of -. D. H. Brophy 831. Microchemical spot test for - using dithizon. 209. New method for detecting -. T. Bersin, 763. nickel in presence of much -* Detection and determination of. F. Feigl and H. J. Kapulitzas 204. Rapid gravimetric determination of -. J. Dick 203. separation of nickel and -; New method for. G. Schuster 133. Cobalt Oxide for the oxidation of various gases. J . K. Campbell and T. Gray 60. Cobalt Sulphide Quantitative precipitation of sulphides in buffered solutions. I. -. M. E. Haring and M.Leatherman 207. Cobaltic Sulphate as an oxidising agent. S. Swann and T. S. Xanthakos 272. Cocaine 2nd allylcocaine in narcotics. H. Emde. 606. quinine in presence of - ; Determination of. 721. Cocaine Hydrochloride solutions ; Reaction of -. H. Rothlin 751. Cocoa and Chocolate Manufacture. (Review), H. W. Bywaters 69. Chemistry Flavouring and Manufacture of Chocolate Confectionery and -. (Review) R. H. Jensen 768. Cocoa Butter Absence of arachidic acid from -. Freezing point method for examining -. A. G. Avent 180. New triglyceride obtained on oxidising -. j. Bougauit and G. Schiister 408. trees ; Poisoning of -. 183. 0. Liining and W. Drude 602. Coconut Essential oil from -. 257. COCOS Nucifera Chemistry of products of -. Part I. J.P. C. Chandrasena 48. Cod Liver Oil Antimony trichloride test for -. 457. Colour Test Sub-committee of the Pharma-copoeia Commission. Report of the -. 457. emulsification of - ; A factor inhibiting. E. Lester Smith 66. from various Sources ; Relative Values of -. JI. C. Drummond and T. P. Hilditch, 142 533. Preparation of medicinal -. 534. Reaction of antimony trichloride with -and its unsaponifiable fraction. E. L. Smith and V. Hazley 265. Spectrographic data concerning -. 470. Suggested standards for -. 534. Variation in colour-test value of commercial samples of -. F. J. Dyer and F. Wok-, 49 xxviii INDEX TO Cod Liver Oil-continued. vitamin A in - Comparison of tests for. K. H. Coward F. J. Dyer R. A. Morton and J. H. Gaddum 831. Vitamin D in -.458. reagent in determining Codeine Bromine as Coffee “Caffeineless” - . 536. - . 725. extract. 313. Trigonelline content of -. F. E. Nottbohm and F. Mayer 643. trigonelline in raw and roasted - ; Deter-mination of. F. E. Nottbohm and F. Mayer, 405. Coins Counterfeit - in Palestine. 34. Cold Storage Chemical changes in apples in Cali test; New -. A. Van Raalte 199. Colloidal iodine preparations. S. J. Hopkins 643. silver ; Chemical characteristics of -. G. Gaume 607. Colloids Some properties of honey - and the removal of - from honey by ben-tonite. Ti. E. Lothrop and H. S. Paine 102. Colocyrnth Extract of -. E. M. Smelt 52. Cologarithms Non-interpolating Logarithms - and Antilogarithms. (Review) F. W. Johnson 426. Colophons Colour reaction of abietic acid and -.H. Griffon 828. . 533. .-Oil of amber from -. 200. Colour measurement and standardisation. 662. Colours Use of buffers in determining - by means of titanium trichloride 11. 0. L. Evenson and R. H. Nagel 413. Complex-Formation Electrometric studies of -. II. Tartrates of bismuth. C. Morton, 469. Compound; carbonyl and aldehyde content of organic - ; Determination of. Estima-tion of phenylhydrazine. S. Marks and R. S. Morrell 508. hydroxyi content of organic - ; Deter-mination of. Estimation of castor oil. S . Marks and R. S. Morrell 428. hydroxylic -; Use of arylcarbimides in identifying. G. T. Morgan and A. E. J. Pettet 613, mercury in organic - Anhydrous dis-tillation method for determining. E. P.Fenimore and E. C. Wagner 684. nitro-group in some organic - New method for detecting. Quantitative determination of mixtures of isomeric unsaturated -. A review of the iodimetric methods and a new bromi-metric method. R. P. Linstead and J. T. W. Mann 414. Sodium in organic - determined by the uranyl acetate method. D. L. Tabern and E. F. Shelberg 655. Condensed Milk laevulose in sweetened - . Determination of. C. L. Hinton a n i T. Macara 286. Conepia Grandiflora Benth New acid in the oil of -. P. K. Bose 504. F. Wilborn 549. VOLUME LVI. Confectionery Chemistry Flavouring and Manu-facture of Chocolate - and Cocoa. (Review) H. R. Jensen 768. Connecticut Agricultural Experiment Station Report on food products and drug products for the year 1929.535. Copper Application of piperidinium piperidyl-dithioformate to the colorimetric deter-mination of -. R. G. Harry 736. determination in organic matter. S. Ansbacher, R. E. Remington and I;. B. Culp 684. “Direct Green-R” A sensitive reagent for - . P. Sisley and David 132. Drop reaction for -. 484. in Bordeaux and lead arsenate mixtures ; J. C. Bubb 551. in animal nutrition Some biochemical and I. J. Cun-Cream in -. (Legal Notes) 283 398. Determination of -. physiological aspects of -. ningham 820. in spirits. 812. in tanning extracts ; Determination of -. D. Burton 335. Interference by - with the lead reduction method for the volumetric determination of tin. S. G. Clarke 82. Lead separated from - as chromate. H. Fink and J.Schortnuller 133. Microchemical spot test for - using dithizon. 208. Micro-determination of - by means of salicyl-aldoxime. W. Reif 557. Quantitative separation of cadmium and -by reduction with potassium formate. E. I. Fulmer 687. R6le of - in haemoglobin regeneration and in reproduction. H. L. Keil and V. E. Volumetric determination of - based on Spacu’s reaction. L. Cuny 651. Volumetric determination of -. Study of Spacu’s reaction. J. Golse. 272. Copper Oxide for the combustion of methane. J. R. Campbell and T. Gray 59. for the oxidation of methane. J. R. Campbell and T. Gray 60. for the oxidation of various gases. J. R. Campbell and T. Gray 60. . Nelson 755. Cordials Unfermented -. 600. Corks Behaviour of moulds on expanded -.Corn preparations ; Analyses of -. Corn Sugar U.S.A. Uept. of Agriculture revised definition for -. 183. Corn Syrup Effect of rate of boiling on the residual sulphur dioxide content in mixtures of sugar and - ; also the effect of bleaches containing sulphur dioxide. R. H. Morgan, 638. Corrosion of the tin-plate container by food products. Food Investigation Board Report hTo. 40. 315. Corrosive reagents ; Storage and delivery apparatus for antimony chloride solution and other -. G. Middleton 236. J. Greger 267. 536 INDEX TO VOLUME LVI. xxix Cosmetics Isopropyl alcohol in - detected by means of piperonal. G. Reif 115. Perfumes - and Soaps with Special Reference to Synthetics. 3rd Ed. Vols. I and I1 (Review) W. A. Poucher 348. Cotton card rooms ; Nature of the dust in the air of - .British Cotton Industry Research Association 210. cloths Examination and commercial analysis of -. R. H. Kay 647. goods ; Determination of starch in sized and finished -. R. G. Fargher and L. V. Lecomher 825. goods; Identification of aspergilli in -: G. Smith 268. Cottonseed Oil Effect of ingested - on the composition of body fat. N. R. Ellis, C. S. Rothwell and W. 0. Pool 609. Cows Effect of drenching - with “nitre.” D. R. Wood E. T. Illing and A. E. Fletcher, 248. Influence of the ration of - upon vitamin B and vitamin C content of milk. C. H. Hunt and W. E. Krauss 681. Cranberries Isolation of quinic acid from -, 323. Cranberry juice ; Refractometric studies on -. 461. Cream in confectionery.(Legal Notes) 253 398. Criminal Investigation ; Forensic Chemistry and Culture media ; pH value of -. J . Gibson 312. Cuprsmmonium Hydroxide soh tion ; Measure-ment of the viscosity of solutions of cellulose in -. R. W. Kinkead 602. Cupric Salts hydroxy organic acids in presence of - Titration of. C. V. Smythe 613. Cuprous Thiocyanate Rapid gravimetric deter-mination of -. J. Dick 203. Curds Examination of -. 657. Currant juice ; Refractometric studies on -. 461 = Cyprus Annual Report of the Government Analyst (S. G. Willmott) for - for the year 1929. 458. Cygteine Gasometric determination of cystine and -. H. D. Baernstein 124. Cystine Gasometric determination of cysteine and -. H. D. Baernstein 124. Scientific -. 2nd Ed. A. Lucas 698.D Dairy Bacteriology. 2nd Ed. (Review) Orla-Jensen. 775. products ; Analysis and composition of vegetable parchment used for packing - . P. Arup 149. Datura Stramonium seeds ; Poisoning by -. A. Sartori 59. Daylight Measurement of -. 265. Decomposition products in anaesthetic chloro-form; New method for detecting -. N. L. Allport 706. Denigijs-Oliver test for morphine. F. Bamford, 586. Dermatitis due to dyed fur ; Experimental obser-vations on -. G. H. Percival 754. Enamel as suspected cause of -. Examination of dyed leather in cases of T. Callan and N. Strafford, from metal ; Alleged -. (Legal Notes), Preventive measures against -. 744. Desiccation Effect of - upon nutritive properties of egg-white. TI. M. A. Boas Fixsen 543. Dextrinolytic activity of malt ; Suggested method for determining the -.L. Fletcher and J. B. Westwood 747. Diabetic flour. 741. foods ; Analyses of -. 537. Diastase Determination of starch in flour by - and acid hydrolysis. B. G. Hartmann and F. Hillig 322. Evaluation of honey on the basis of the -content. K. Rraunsdorf 539. Honey -. J. Fiehe 540. value of honey. 56. Diastatic enzymes in honey ; Destruction of - on heating. p-Diazobenzene-Sulphonic Acid for acetaldehyde in ether 241. Dicodide Identification and determination of -. J . King 498. Diethyl Phthalate with butyl chloride in ethyl alcohol ; Determination of small proportions o-Dihydroxy-Phenols Colour test for -. J H. Quastel 311. Dilaudide Identification and determination of -.J. King 498. ; Hydroxylamine Dill Qd carvone in -method of determining. C. T. Bennett and T. T. Cocking 79. Dimethylamino-Benzylidene Rhodanine Detec-tion of gold palladium and silver with -. F. Feigi P. Krumhoiz and E. Rajmann 485. Diphenylamine test for nitrates in milk as means of detecting added water and the effect of drenching cows with “nitre.” D. R. Wood A. T. Illing and A. E. Fletcher, 249. Diphenylaminesulphonic Acid as an indicator. L. A. Sarver and I. M. Kolthoff 686. Diphenyl-Thiocarbazone Microchemical spot tests for some of the heavy metals using -- . H. Fischer 208. Disinfectant fluid ; Testing of Admiralty -, T. C. Patterson and R. C. Frederick 93. Disinfectants Limitations of phenol coefficients oi coal-tar -. C. M. Brewer and G.L. A. Ruehle 330. Testing of -. E. K. Rideal and A. Sciver, 249. Dithizon Microchemical spot tests for some of the heavy metals using - (diphenyl-thiocarbazone). H. Fischer 208. Donovan’s Solution Arsenic and mercury deter-mined in -. T. T. Cocking 262. 808. alleged -. 625. 399. H. W. Boer 55. of -. R. W. Hoff 683 M X INDEX TO VOLUME LVI. Powell 322. -. L. Lutz 820. Dried Fruit Possible effect of sulphur dioxide when used as a preservative for - etc. C. E. Sage 451. Drinking Water Determination of nitrates in -. W. Mulder 766. Dripping Labelling of -. 657. Drop Reactions Qualitative Analysis by means Systematic qualitative analysis by means C. J. van Nieuwenburg, (Legal Notes), of -. of modern -. 483. 601.(Review) F. Feigl 492. Drug Tdiosyncrasy to a -. products ; Report of the Connecticut Agricul-tural Experiment Station on - for the year 1929. 535. Drugs Colour reaction of some -. J. Sivad-jian 466. Microchemical tests for benzoic acid salicylic acid and esters of fi-hydroxybenzoic acid in -. R. Fischer and F. Stauder 275. yielding essential oils ; Assay of -. G. R. A. ‘ Short 604. Dust in the air of cotton card rooms ; Nature of -. British Cotton Industry Research Association 210. Dutch cigars; Nicotine content of -. A. Van Druten 260. Dyes Fastness of - to perspiration. C. C. N. Vass 192. Fur - their oxidation and identification on the fibre. R. B. Forster and C. Soyka 476. Use of buffers in determining - by means of titanium trichloride 11.0. L. Evenson and R. H. Nagel 413. E Earths Alkaline --. See Alkaline Earth metals. hydrolytic acidity of decolorising __ ; Determination of. New means of ascer-taining their decolorising power. H. Uter-mijhlen 694. Easton’s Syrup strychnine in - ; Deter-mination of. L. A. Haddock and N. Evers, 674. Eels Phosphorus distribution sugar and haemoglobin in the blood of -. C. M. hlcCay 263. Egg powder-guaranteed to contain -. (Legal Notes) 661. przducts ; Q~antitative determination of cholesterol and lecithin and evaluation of - J. Tillmans H. Riffart and A. Kiihn 118. white ; Effect of desiccation upon nutritive properties of -. 11. M. A. Boas Fixsen, 543. yolk ; Examination of commercial -. R. F. Innes 761. Eggs Marks removed from - with acetic P.F. Sharp and C. K: acid. (Legal Notes) 32. Increase in the. pH value of white and yolk of hens’ -Eggs-continued. suspected of being “preserved ”; Examination of -. J. R. Nicholls 383. Egypt The Waters of -. A. Azadian. Vol. I. 282. Vols. XI1 and XIII. 698. Elderberry juice ; Refractometric studies on Electro-Chemistry Laboratory Manual of -. (Review) E. Miiller 621. Electrode Use of the quinhydrone -. G. M. B‘loir 445. Electrolytic determination of cobalt. D. H. Brophy 831. separation of lead and antimony and its application to the determination of lead in tartar emetic. E. M. Collin and H. J. S. Sand 90. Electrometric analyses of solutions of hypo-chlorites. F. Abribat 765. titration of chromium in steel and ferro-chrome.F. Spindeck 64. Emetine Bromine as a reagent in determining - . 730. Empire Marketing Board Report No. 15. The relative values of cod liver oils from various sources. J. C. Drummond and T. P. Hilditch 533. Emulsification of cod liver oil ; A factor in-hibiting -. E. Lester Smith 66. Enamel as suspected cause of dermatitis 808. Engineering Chemical - and Chemical Catalogue 1931. 282. Enzyme yield in fungus cultures ; Determination of -. 2. I. Kertesz 193. Enzymes in honey ; Destruction of diastatic - on heating. Monographs on Biochemistry. -. (Review), J. B. S. Haldane 343. secreted by hymenomycetic mushrooms ; Soluble -. Comparison of the anti-oxygenic power of tannin and of the phenoiic constituents of essexiiiai oils. L. Lutz 820.Ephredrin Sivadjian’s colour reaction for identifying - W. H. Hartung F. Crossley and J. C. Munch 467. Equivalent Costs for British and Foreign Currencies ; Kingston’s Tables of -. 624. Erasure detected by ultra-violet light. Ergosterol Activation of - with radium emanation. R. B. Moore and T. De Vries, 678. Influence of solvents on the activation of -. C. E. Bills E. M. Honeywell and W. M. Cox junr. 678. Essential Oil Sub-committee to the Standing Committee on Uniformity of Analytical Methods. Report on the determination of cineole in camphor oil and other cineole-containing oils. 738. Essential Oils Assay of drugs yielding -. G. R. A. Short 604. Comparison of the antioxygenic power of tannin and of the phenolic constituents of 461.-F. C. Sinton 751. Determination of -H. W. Boer 55. 666 INDEX TO VOLUME LVI. xxxi Essential Oils-continued . from grain germs Improver for bread and foodstuffs. 257. Essex Report of the County Analysts for -for the Fourth Quarter 1930. B. Dyer and G. Taylor 251. Ethane Analysis of mixtures of hydrogen, methane and -. 0. J. Walker and S. N. Shukla 274. Ether Tests for impurities in -. G. Middleton and F. C. Hymas. 11. Tests for acetaldehyde. 238. IIL’Tests for acetone 243. Ethyl Alcohol butyl chloride and diethyl phthalate together in - ; Determination of small proportions of. R. W. Hoff 683. quinine in presence of -; Determination of. 716. Ethyl Morphine Bromine as a reagent in deter-mining - 729. Ethylene Effect of light on the determination of -.J. L. Oberseiderand J. H. Boyd 413. Ethylene Chlorhydrin Dangerous properties of -. J. D. Pratt 198. Ethylenic nitriles ; . Determination of -. G. Heim 129. Eucodal Identification and determination of -. J. King 498. Expert Witness The Scientific Detective and the -. 2nd Ed. C. A. Mitchell 698. Extraction apparatus for rubber cellulose fats, etc. W. H. Stevens 528. Face Powders as cause of lead poisoning. 812. Factories and Workshops Report of the Chief Inspector of - for the year 1930. 743. Fiilschungen (Review) S. Tiirkel 141. Fat body-; Effect of ingested cottonseed oil on the composition of -. N. R. Ellis, C. S. Rothwell and W. 0. Pool 609. content of cacao beans. B. Rewald and H. Christlieb 465. in milk ; Rising of --.G. Jsrgensen 380. ir shrec!ded wet. ??S. in spray-dried milk powder. L. H. Lampitt and J. H. Bushill 256. of frozen and chilled meat ; Chemical changes in - . C. H. Lea. I . Frozen mutton and lamb 538. 11. Chilled beef 610. 111. Frozen bacon 759. of sow’s milk. 0. Laxa 321. Unsaponified - in Soaps. Appointment of Sub-committee on 738. Fats Anti-oxidants and the autoxidation of -. Ii. A. Maitill 200. Butyric and caproic acids determined in -. Extraction apparatus for -. W. H. Stevens 528. lecithin in some -; Quantitative deter-mination of. E. Foyn 464. New colour reactions with certain oils and -. A. F. McCarley 104. Oleic acid rancidity of -. 11. Measure-ment of rancidity. K. Taufel and J. Miiller 259. Rancidity changes and the flavour of -.C. R. Barnicoat 748. J. Grossfeld and F. Battay 750. Fats-contznued. Rancidity in -. 531. A. Taffel and C. Revis 323. Spectrographic data of natural - and their fatty acids in relation to vitamin A . A. E. Gillam I. M. Heilbron T. P. Hilditch and R. A. Morton 471. Susceptibility of - to oxidative rancidity. D. P. Grettie and R. C. Newton 749. Unsaponifiable Matter in - ; Appointment of Sub-committee on. 738. Fatty Acids Adulteration of sweet wine and its detection by determination of the lower - (butyric acid). A. Miermeister and F. Battay 404. and component glycerides of Indian ghee. R. Bhattacharya and T. P. Hilditch 161. determination oi solid unsaturated - -New method for. L. V. Cocks €3. Cl Christian and G. Harding 368. highly unsaturated - stored in the lard from pigs fed on menhaden oil; Nature of -.J . B. Brown 187. in the liver of the sheep. of some palm oils of high free acidity. T. P. Hilditch and E. E. Jones 463. Rapid determination of solid saturated -. T. P. Hilditch and J . Priestman 354. Spectrographic data of natural fats and their - in relation to vitamin A . A4. E. Gillam, I. M. Heilbron T. P. Hilditch and R. A. Morton 471. unsaponified oil in - ; Determination of. E. Lester Smith 9. Fatty Oils Laboratory bleaching technique for -. J. T. R. Andrews and R. G. FoIzen-logen. 476. Feeding Stuffs Standardisation of the method of presenting results of the analysis of -. 316. Fermentation Selective -. Alcoholic -of mixtures of glucose and fructose by brewers’ and Sauterne yeasts.K. H. Hopkins 463. 11. - of sugar mixtures by Sauterne yeast. H. Sobotka and M. Reiner 267. Ferric Salts hydroxy organic acids in presence of - ; Titration of . C. V. Smythe 613. Ferric Thiocyanate Structure of -. H. I. Schlesinger and H. V. Van Valkenburgh, 416. Ferricyanide method for determining reducing sugzrs. Modification of the Hagedorn-Jensen-Hanes technique. A. C. Hulme and R. Narain 815. * Electro- Ferro-Chrome chromium in -metric titration of. Ferro-Silicon Analysis of -. G. H. Goodwin, 21. Ferrovanadium vanadium in __ ; Revision of the new iodimetric determination of. W. Werz 339. Fertilisers and Feeding Stuffs Act Statutory Rules and Orders 1931. No. 171. Mer-chandise Marks (Imported Goods) No.7 Order 1931. 460. K. Turner 50. F. Spindecc 64 xxxii INDEX TO VOLUME LVI. Figs Syrup of -. (Legal Notes) 106. Films Deterioration of cinematograph -. 81 1. Filter Papers New development in -. E. J. Guild 652. Filters made of porous hard rubber. E. Vossen, 558. Filtrationsapparate Selbsttatige -. J. B. Dubsky. 698. Firearms cases in Ceylon. 667. Fish Effect of bateria on spoilage of -. 533. Phosphorus distribution sugar and haemo-globin in the blood of -. C. M. McCay, 263. Fish Livers Vitamin A from -. P. Karrer, R. Morf and K. Schopp 824. Z’ish-Liver Oils Toxic effect of - and the action of vitamin B. E. R. Norris and A. E. Church 125. Fish Oils New compounds produced during the hydrogenation of -. S. Ueno and R. Yamasaki 476.New higher alcohols produced during the hydrogenation of - S. IJeno and K. Yamasaki 414. Florence’s Test for semen. 665. Flour Diabetic -. 741. Improver for -. 257. “Rope” spore content of - and its sig-nificance. A. J . Amos and D. W. Kent-Jones 672. Starch in - determined by diastase and acid hydrolysis. R. G. Hartmann and F. Hillig 322. Fluorescence reaction of /3-naphthol. N. Schoorl, 332. Fluorescent indicators as means of determining the acidity of red wines. Y . Volmar and S. M. Clavera 540. Fluoride Apparatus for detection traces of -by the etching method. K. E. Essery 28. Fluorides Drop reaction for -. 486. Flunrine Determination of -. P. Mougnard, 688. in phosphate rock and phosphate slag ; Deter-mination of -. D s.Reynolds and K. D. Jacob 835. Study of Travers’ method for determining - with reference to insecticides. C. M. Smith E. H. Hamilton and J. J. C. Graham, 551. Volumetric determination of - by means of cerous nitrate. G. Eatchelder and V. W. ??Ie!oche 555. Fogs Determination of water in -. Folia Digitalis Colorimetric evaluation of -by the method of Knudson and Dresbach. B. J. Okeloen and J. C. Timmers 675. Food Chemist; Tables for the use of -. (Review) W. Pliicker 344. Glass particles in -. 658. Microchemical tests for benzoic acid salicylic acid and esters of p-hydroxybenzoic acid in -. R. Fischer and 5’. Stauder 275. products ; Corrosion of the tin-plate container by - . Food Investigation Board ReDort No. 40. 315. 662. Food-continued, products; Report of the Connecticut Agri-cultural Experiment Station on - for the year 1929.535. Food and Drugs analysis. Abstracts 48 113, 184 256 320 401 461 538 602 668 747, 813. Food Investigation Board Reports Report for the year 1930. 531. Corrosion of the tin-plate container by food products. 315. Foods Effect of fumigation with hydrogen cyanide on -. Public Health Report No. 60. 46. Standardisation of the method of presenting results of the analysis of -. 316. Foodstuffs butyric acid in - ; Detection, determination and occurrence of. J. Grossfeld and F. Rattay 403. Factors for converting percentages of nitrogen in - into percentages of proteins. D. B. Jones 813. General Methods of Examining-. (Review), W. Plucker 344. . Manganese in -.A. E. Boycott and G. R. Cameron 55. . Cereals 11. Vitamin B values of -R. H. A. Plirnmer W. H. Raymond and J. Lowndes 679. No. 40. Forensic analvsis ; Abstracts 198 412 474. cases ; Detection of sperma in -. J. Chemistry and Scientific Criminal Investiga-Peltzer 198. tion. A. Lucas 698. ]Forgeries (Review) S. Tiirkel. IP~rrnaldehyde Gravimetric determination of ]Formic Acid in cane sugar 600. 141. -. M. V. Ionescu and C. Bodea 200. in fruit juices; Determination of -. A. Hanak and I<. Kurschner 116. l?owls Conversion of carotene into vitamin A by -. N. S. Cappel j. 3;. W. McKi’obin and J. H. Prentice 473. Fraud Proof of - by means of receipt stamps. 668. Freezing Point method for examining cocoa butter. A. G. Avent 180.test for milk 455. (Legal Notes) 253. Fructose Alcoholic fermentation of mixtures of glucose and - by brewer’s and Sauterne yeasts. R. H. Hopkins 463. Biiit Dried -. See Dried Fruit. drinks. 740. essences ; Behaviour of artificial and natural - towards sodium paratoluene-sulphon-chloramide (Heyden chloramine) . A. Mier-meister 51. jelly ; Preservative in -. juices ; Determination of formic acid in -A. Hanak and K. Kurschner 116. juices ; Refractometric studies on -. H. Eclrart 461. wine in grape wine; Detection of -the sorbitol method. M. Klostermann and W. Fachmann 405. 31. b INDEX TO VOLUME LVI. xxxiii Fruit-continued. wine; Origin occurrence and detection of 2.3-butyleneglycol in wine and -. J. Pritzker and R. Jungkunz 268.Composition of - as used in jam manu-facture in Great Britain. T. Macara 35. Quinic acid isolated from -. E. F. Kohman and H. H. Sanborn 323. Vitamin content of -. F. V. von Hahn 548. Fuel Research Reports No. 27. Measurement of a rapidly fluctuating flow of gas. 111. Fungi Allantoinase in -. (Test for glyoxylic acid.) A. Urunel 264. durability of Philippine woods against _I ; Laboratory tests on the. 0. A. Reinking, 474. Fungus cultures ; Determination of enzyme yield in -. 2. I. Kertesz 193. Fur dermatitis due to dyed - ; Experimental observations on. dyes their oxidation and identification on the fibre. R. 8. Forster and C. Soyka 476. Furfural number of tanning extracts and their mixtures with sulphite cellulose extract. V. KGrnec 761.Fruits Canned -. See Canned Fruits. G. H. Percival 754. G Gallium Determination of -. A. Brulrl 832. in the organism ; Distribution of -. C. Levaditi J. Rardct A. Tchakirian and A. Vaisman 611. Gallocyanin test for zirconium. 209. Gas analysis ; Abstracts 274. Measurement of a rapidly fluctuating flow of -. Fuel Research Paper No. 27. 111. Gases nitrogen in - ; Direct determination of. H. R. Ambler 804. Oxidation of various - by means of copper oxide lead chromate and cobalt oxide. J . R. Campbell and T. Gray 60. Poisoning by -. 744. Testing of ships for dangerous -. 656. Genalkaloids Volumetric determination of -. 818. Gels cellulosic - of the wheat grain; Colorimetric micro-reactions of. P. Urukre, 66. General Medical Council Pharmacopoeia Com-missim.R e p ~ r t s Gf Sub-Cm-mittees. 400. Report of the Cod-liver Oil Colour Test Sub-Committee 457. Ghee (Butter fat). N. N. Godbole and Sadgopal, 624. Fatty acids and component glycerides of Indian -. R. Bhattacharya and T. P. Hilditch 161. Gibraltar Report of the City Analyst (A. G. Holborow) for - for the year 1930. 656. Gingelly seeds in raspberry jam. (Legal Notes), 809. Ginger Chalk in ground -. 455. Daralvsis. 474. Ginger-continued. Glass particles in food. 658. Glassware Specifications and methods of testing -. 663. Globulin Combined determination of albumin and -. G. M. Moir 228. Separate determination of albumin and -. G. M. Moir 232. Glucose Alcoholic fermentation of mixtures of fructose and - by brewer’s and Sauterne yeasts.in milk ; Indications of -. C. H. Whitnah, 184. A. Banks and T. P. Hilditch 816. structure of butter-fats. T. P. Hilditch and J. J. Sleightholme 841. Glycerides of Indian ghee; Fatty acids and component -. R. Bhattacharya and T. P. Hilditch 161. of some palm oils of high free acidity. T. P. Hilditch and E. E. Jones 463. Glycerin water in - . Determination of. L. F. Hoyt and P. C. dlark 270. Glyoxlic Acid Test €or -. (Allantoinase in fungi.) A. Brunel 264. Goats’ MyLilk 656. Gold Detection of - with dimethylamino-benzylidene rhodanine. F. Feigl P. Krumholz and E. Rajmann 485. Gooseberries Vitamin content of -. Gooseberry juice ; Refractometric studies on Government Analysts’ Reports See Bihar and Orissa Ceylon Cyprus Madras New Zealand, Palestine Queensland Straits Settlements, Trinidad and Tobago.See also Government Laboratory. Government Laboratory Report of the Govern-ment Chemist upon the work of - for the year ending 31st March 1931. Grain germs ; Essential oils from -. improver for bread and foodstuffs. 257. Grape vinegar ; Artificial product sold as -. (Legal Notes) 660. wine ; Detection of fruit wine in - by the sorbitol method. M. Klostermann and W. Fachmann 405. Root -. 741. R. H. Hopkins 463. Glyceride structure of beef tallows. 548. -. 461. 809. Grapeseed Oil Pyrolysis of -. 61. Green-B Direct -. A new sensitive reagent for copper. P. Sisley and David 132. Grignard re2 g m t-triphenylmagnesium bromide. 683. Growth-Promoting factor with vitamin B ; Question of the identity of a bacterial -.J . G. Davis and J . Golding 56. Gum Tragacanth Tragacanthin-the soluble constituent of -. A. G. Norman 4G9. Gums Studies on the -. 11. Tragacanthin-the soluble constituent of gum tragacanth. A. G. Norman 469. Gutzeit Test Holder for mercuric chloride paper in -. G. H. Davis 30. Gynolsctose A new sugar of human milk. M. Polonovski and A. LesDarmol. 539 xxxiv INDEX TO VOLUME LVI. ‘Household Turps” (Legal Notes) 530. 482. H Haddock Low-temperature preservation of Haemoglobin in the blood of fish eels and turtles. C. M. McCay 263. Preparation of nitric oxide -. H. Hartridge, 571. regeneration ; Rde of copper in - and in reproduction. H. L. Keil and V. E. Nelson, 755.Haemolytic properties of micro-organisms belonging to the paratyphoid group. C. P. Eliot and W. W. Ford 58. Hagedorn-Jensen-Hanes ferricyanide method for determining reducing sugars ; Modi-fication of -. -4. C. Hulme and R. Narain 815. Hairs Study of Wools and -. (Review), J. Glaister 696. Halogens Separation of aryl and alkyl -. Q. Landis and H. J. Wichmann 61. Halphen Test Kapok oil and the -. H. P. Trevethick and W. H. Dickhart 670. Harmaline Microchemical identification of -. Harmine Microchemical identification of -. J. F. H. Amelink. 419. Hartridge reversion spectroscope as a means of determining percentage saturation of carbon monoxide in blood. R. C. Frederick 561. Herefordshire Appointment of R. H. Ellis as Agricultural Analyst for County of -.398. Heroin Bromine as a reagent in determining Hexamethylenetetramine as precipitant for tannin. A. T. Hough 827. Heyden Chloramine Behaviour of natural and artificial fruit essences towards -. A. Miermeister 51. -. 532. J. F. H. Amelink 419. - 728. Honey Borax -. 699. colloids ; Some properties of - and the removal of colloids from - by bentonite. R. E. Lothrop and H. S. Paine 402. Destruction of diastatic enzymes in - on heating. H. W. Boer 55. diastase. J. Fiehe 540. Diastase value of -. 56. Evaluation of - on the basis of the diastase Organic acids in -. E. K. Nelson and Prepared -. 599. Quartz crystals in -. F. E. Nottbohm and F. Lucius 462. Ultra-violet absorption of -. J. Stitz and J. KoczkAs 137. Yeasts found in fermenting -.G. E. Marvin W. H. Peterson E. B. Fred and H. F. Wilson 760. Hops Analysis of -. W. Wbllmer 261. content. K. Braunsdorf 539. H FT Mnttern An2 -. -. -.-V”””**r A””. Colorimetric method for determining the J. M. French preservative value of -. 672. Hull See Kingston-upon-Hull. Human milk; Two new sugars of - gyno-lactose and allolactose. M. Polonovski and A. Lespagnol 539. pellagra ; Supposed connection between -and deficiency of vitamin B,. W. li. Aykroyd 56. poisoning cases in Madras. 664. Humulone in hops. 262. Hydnocarpus Oil Impurities in -. Hydrocarbon in alcohol containing acetone ; Determination of small proportions of -. R. W. Hoff 682. Hydrocarbons in coal. 333. with branched chains ; Detection and separa-tion of - from natural or artificial mixtures of -.A. Schaarschmidt 649. Hydrochloric Acid extracts of soils ; Colorimetric determination of phosphoric acid in -. R. G. Warren and A. J. Pugh 128. Hydrogen Analysis of mixtures of methane, ethane and -. 0. J. Walker and S . X. Shukla 274. in mercury compounds ; Micro-combustion of -. M. Furter 341. Hydrogen Cyanide Effect on foods of fumigation with -. Public Health Report No. 60. 46. Hydrogen Ion Concentration Determination and Importance of - in Tanning. (Review) H. Machon 844. Hydrogen Sulphide Determination of small quantities of - . Determination of sulphur in small samples of steel. S. G. Clarke 436. 183. poisoning. L. B. Allyn 330. Hydrogenation of fish-oils ; New compounds produced during the -.S. IJeno and R. Yamasaki 476. of fish oils ; New higher alcohols produced during S. Ueno and R. Yamasaki 414. Hydrology Standard Measurements Committee of the International Society of Medical -. Report. 745 776. Hydrolytic acidity of decolorising earths ; Determination of the -. New means of ascertaining their decolorising power. H. Utermohlen 694. Hydrosulphide ions ; Measurement of hydroxyl and - in sodium sulphide solutions. A. W. Goetz 482. Hydroxy acids ; Quantitative micro-analytical the photo-electric cell. A. S . Williams, R. H. Muller and J. B. Niederl 619. organic acids in presence of ferric and cupric salts ; Titration of -. C. V. Smythe 613. p-Hydroxybenzoic Acid esters in food and drugs ; Microchemical tests for -.R. Fischer and F. Stauder 275. Hydroxyl content of organic compounds ; Deter-mination of - Estimation of castor oil. S. Marks and ’K. S. Morrell 428. ions ; Measurement of hydrosulphide and -in sodium sulphide solutions. A. W. Goetz, Hydrometer New Sikes “B” - . 810. determination of certain __ hv rnegnc cf - J -*-:-:-INDEX TO VOLUME LVI. xxxv Hydroxylamine method for determining ketones. C. T. Bennett and T. T. Cocking 79. Hydroxylic compounds ; Use of arylcarbimides in identifying -. G. T. Morgan and C. A. Abeledo and I. M. Kolthoff 688. A. E. T. Pettet 612. International Union of Chemistry ; First report of the Committee on Atomic Weights. 538. Iodide Iodimetric titration of nitrite and -. SHydroxyquinoline as means of determining magnesium in Portland cement and similar materials.J. C. Redmond and H. A. Bright, 339. Determination of magnesium with -. A. W. Hough and J. B. Ficklen 206. o-Hydroxyquinoline as a means for an improved method of determining magnesium. F. L. Hahn 833. Hyoscyamus extracts ; Scopoletine reaction for -. Hypochlorites Electrometric analyses of solutions of -. F. Abribat 765. Hypophosphorous Acid as reducing agent for antimony and tin. 171. E. C. M. J. Hoolman 819. I Ice heat of fusion of - method ; Free and bound water determinations by. W. Robinson 676. Indian ghee; Fatty acids and component glycerides of -. R. Bhattacharya and T. P. Hilditch 161. Indicator Diphenylaminesulphonic acid as an -. L. A. Sarver and I . M. Kolthoff 686. .Rosinduline as oxidation-reduction -.L. Michaelis 415. Indicators Fluorescent - as means of determining the acidity of red wines. Y . Volmar and S. M. Clavera 540. Internal - for bromate titrations. G. F. Smith and H. H. Bliss 554. Industrial Microbiology. The Utilisation of Bacteria Yeasts and Molds in __ Pro-cesses. (Review) H. F. Smyth and w. L. Obold 423. Poisons; Pathology of some -. A. J. Anior 559. Ink Printing -. See Printing Ink. Inorganic analysis ; Abstracts 62 131 203, 271 336 416 478 550 615 686 763 830. and Theoretical Chemistry ; A Comprehensive Treatise on -. Vol. XI. (Review), J. W. Mellor 838. and -. 6th Ed. (Review) A. W. Stewart, 425. Chemistry. Vol. I1 of Recent Advances in Analytical Chemistry. (Review) Edited by C.A. Mitchell 839. Insecticides halogens in - ; Determination of. 61. nicotine in - ; Determination of. -4. Sabatid 121. Study of Travers’ method for determining fluorine with reference to -. C. M. Smith E. H. Hamilton and J. J. C . Graham, 551. Chemistry- ; Recent L+dvanccs in l3h-rc;nQl I ALJ U l U U L Iodimetric determination of bromide ions. 2. Szabo 480. determination of chromium. E. Schulek and A. D6zsa 832. determination of reducing sugars in the apple. H. K. Archbolg and E. M. Widdow-son 462. determination of vanadium in alloy steels and ferrovanadium ; Revision of the new - W. Werz 339. methods for determining mixtures of isomeric unsaturated compounds ; Review of -. R. P. Linstead and J. T. W. Mann 414. thiocyanate titration.H. A. Page1 and H. J. Koch 555. titration of iodide and nitrite. C. A. Abeledo and I. M. Kolthoff 688. Iodine content of the thyroid gland; Geo-graphical location and ---. F. F’enger, R. H. Andrew and J . J. Vollersten 190. in common salt ; Micro-determination of -. H. Werner 341. in iodised oils ; Determination of -. T. T. Cocking and G. Middleton. 671. mercerisation test. W. F. A. Ermen 550. preparations ; Colloidal -. S. J. Hopkins, 543. sensitive test for -. C. V. King and M. B. Jacobs 554. Iodine Monochloride Action of - on cholesterol. Determination of the iodine value. H. Werner 475. Iodine Pentoxide Suspension of - in fuming sulphuric acid as means for the volumetric determination of carbon monoxide. H. A. J . Pieters 550. Iodine Value Action of iodine monochloride on cholesterol.Determination of the H. Werner 475. Iodised oils ; Determination of iodine and chlorine in -. T. T. Cocking and G. Middleton 67 1. Ipecacuanha alkaloids ; Bromine as a reagent in determining -. 730. Ipomoea resin its solubility in ether and the acid value as a test for rosin. C. E. Corfield and W. R. Rankin 673. Iridium Volumetric determination of -. s. c. TVm 22d D. M. Yost 336. Iron cast- ; Determination of phosphorus in -. A. T. Etheridge 14 454; N. D. Kidsdale 452. Drop reaction for -. 484. in leather ; Identification of -. 335. metallic - in ores ; Determination of. U’. Ackermann 205. ore ; Volumetric determination of manganese in -. 831. Quantitative separation of lead and -. H.Funk and 0. von Zur-Miihlen 763. Separation of titanium aluminium and -. E. S. von Bergkampf 337 xxxvi INDEX TO VOLUME LVI. Iron Oxides Action of heat on -. 662. Irvingia Robur oil seeds. 188. Isomeric unsaturated compounds ; Quantitative determination of mixtures of -. Review of the iodimetric methods and a new bromimetric method. R. P. Linstead and J. T. W. Mann 414. Isopropyl Alcohol in brandy spirits tinctures, cosmetics and liniments ; Detection of -by means of piperonal. G. Reif 115. J Jam Detection oi sorbitol in the analysis of Labelling of -. 598. manufacture ; Composition of fruits as used T. Macara 35. Standards for -. Percentage of soluble Jams soluble solids in - etc. ; Determination -. C. F. Muttelet 186. for - in Great Britain.solids. 701. of. T. Jlacara 391. Standards for -. 427 701. Japanese acid clay; Colour reaction of -with carotene. I<. Kobayashi I<. Yamainoto and J. Abe 198. beeswax; Investigation of -. H. Ikuta, 430. K Kapok Oil and the Halphen test. H. P. Treve-thick and W. €3. Dickhart 670. Kapok Seed Oil Composition of Philippine -. A. 0. Cruz and A. P. West 816. Karit6 Butter Composition of -. J. Bougault and G. Schuster 669. Kautschuk-Wissenschaft Handbuch der -. (Review) K. Memmler and Others. 71. Ketones ; Hydroxylamine method for deter-mining -. C. T. Bennett and T. T. Cocking 79. Reduction of aromatic - and benzils by triphenylmagnesium bromide. W. E. Bachmann 683. Kingston-upon-Hull Report of the Public Analyst and Bacteriologist (A.R. Tankard) for - for the year 1930. 657. Kingston’s Equivalent Tables. 624. Kirschner Value of rancid butters and margarines. G. D. Elsdon R. J. Taylor and P. Smith, Kjeldald method of determining nitrogen ; Use of selenium as catalyst in -. M. F. Lauro 813. Knudson and Dresbach Method Colorimetric evaluation of Folza Digitalzs according to -. B. J. Okeloenand J. C. Timmers 675. Kodak Research Laboratories ; Abridged Scien-tific Publications from -. Vol. XIII. 142. Koryo Oil (Millet seed oil). S. Ueno and N. Kuzei 117. Kreis reaction ; Systematic examination and evaluation of the -. K. Taufel 541. r;l r; --. L Lactic Acid in milk and milk products ; Deter-mination of -. L. H. Lampitt and M. Bogod 320. Laevulose in sweetened condensed milk ; Deter-mination of -.C. L. Hinton and T. Macara 286. Lagoons of Tuscany. (Review) K. Nasini 215. Lamb Chemical changes in fat of frozen -. C. H. Lea 538. Lancaster Annual Report of the County Analyst (G. D. Elsdon) for - for the year 1930. 455. Lanolin Effect of ultra-violet irradiation upon the free sterols of -. A. Bernhard and I. J. Drekter 756. Lanthanum New colorimetric method for deter-mining -. I. M. Kolthoff and R. Elm-quist 417. Lard from pigs fed on menhaden oil; Nature of the highly unsaturated fatty acids stored in -. Lautemann’s Rf d Determination of some derivatives of phenol and of salicylic acid Prom the weight of -. M. FranCois and L. Seguin 829. Electrolytic separation of antimony and -, and its application to the determination of - in tartar emetic.E. M. Collin and H. J. S. Sand 90. in Bordeaux and lead arsenate mixtures; Determination of -. in calcium phosphate ; Rapid determination of small quantities of -. J . Xi. Nicholls, 594. in the animal organism ; Behaviour of -. 11. Lead tetraethyl. R. A. Kehoe and F. Thamann 331. Interference of alkaline earths in the deter-mination of -. Microchemical spot test for - using dithizon. 209. poisoning. 744. poisoning from face powders. 812. Quantitative separation of iron and -. H. Funk and 0. von Zur-Miihlen 763. reduction method for the volumetric deter-mination of tin and the interference with i t by copper and antimony. S. G. Clarke, 82. and from copper. H. Fink and J. Schor-muller 133.Simultaneous volumetric determination of bismuth and -. H. T. Bucherer and F. W. Meier 336. Lead Acetate acetic acid in - ; Volumetric benzidine method for determining. J. E. S. Han and T. L. Chu 830. Lead Arsenate in cabbage. 32. Lead and copper determined in Bordeaux Lead Chromate for the oxidation of various J. B. Brown 187. Lead Drop reaction for -. 484. J. C. Bubb 551. J. Majdel 203. Cenaratinn nf - 1 s &mm-ztp f_mm- m A p ~ c c ~ -yr -* - ---and - mixtures. J. C. Bubb 551. gases. J. R. Campbell and T. Gray 60 INDEX TO VOLUME LVI. xxxvii Lead Iodide double salt of trigonelline ; New -. K. Lendrich and F. Mayer 326. Lead Salts Titration of -. R. C. Wiley, P. M. Ambrose and A. D. Bowers 63. zinc in presence of -; Determination of small amounts of.M. E. Stas 204. Lead Tetraethyl Behaviour of lead in the animal organism. 11. - . R. A. Kehoe and F. Thamann 331. Leather Bookbindings Preservation of -. R. W. Frey and F. P. Veitch 559. Decay of bookbinding -. R. W. Frey and I. D. Clarke 762. Deterioration of vegetable-tanned - on storage. R. F. Innes 827. Examination of dyed - in cases of alleged dermatitis. T. Callan and N. Strafford, 625. Identification in small samples of - of the different minerals used in tanning. K. Kamfer 335. water in vegetable-tanned - ; Determina-tion of. R. F. Innes and J. G. M. Coste, 335. Water permeability of -. R. S. Edwards, 828. Lecithin in some fats ; Quantitative determina-tion of -. E. Foyn 464. quantitative determination of cholesterol and -.Evaluation of egg products. J. Tillmans H. Riffart and A. Kiihn 118. Leeds Report of the City Analyst (C. H. Manley) for - for the year 1930. 808. Legal Cases Dobell G. C. & Co. Ltd. v. Barber and Garratt 31. Keating v. J. Lyons & Co. 253 398. Sharp v. Salmon and Gluckstein 399. Legal Notes 31 105 181 253 398 530 601, Leicester Appointment of Agricultural Analyst Report of the City Analyst (F. C. Bullock) for the City of - for the year 1930. 600. Lemon juice Anti-scorbutic fraction of -. IX. S. S. Zilva 285. juice ; Refractometric studies on -. 461. Lemons Vitamin content of -. 548. Lettuce Unsaponifiable lipids of -. I. Carotene. H. S. Oleovich and H. A. Mattill, 409. Lewkowitsch’s emulsion test for unsaponified oil.10. T,ihrsy _A,gs~ci&i~a Spcla.1 Cnm-mittee’s Report on the quality of paper. Light Effect of - on the determination of ethylene. J. L. Oberseider and J. H. Boyd 413. Lignin Methods of investigating -. (Review) W. Fuchs 422. Lime liquors; Determination of amines in tannery -. E. K. Moore J. H. Highber-ger R. Koppenhoefer and F. O’Flaherty, 614. Lime Water Preservation of eggs in -. 384, 659 742 809. for County Borough of - 180. 602. skins as cattle food. 183. 387. Limestone Calcium and magnesium in Dolomitic - determined by means of saccharate solutions. A. C. Shead and B. J. Heinrich, 65. Linaloe husks ; Oil from - from India. 613. Ling’s Malt Extract Method for starch in cereal products 185. Liniment of turpentine. (Legal Notes) 105.Liniments Isopropyl alcohol in - detected by means of piperonal. G. Reif 115. Lipids of lettuce; Unsaponifiable -. I. Carotene. H. S. Oleovich and H. A. Mattill, 409. Liquids Transference of small quantities of - . G. Owen 567. Liver of the sheep; Fatty acids in -. I<. Turner 50. Liver Oils and concentrates; Antimony tri-chloride colour test and the ultra-violet absorption of -. A. E. Gillam and R. A. Morton 822. New conception of the chromogenic consti-tuents of fresh and aged -. Specificity in tests for vitamin A . I. M. Heilbron, A. E. Gillam and R. A. Morton 883. Spectrographic data concerning vitamin A and -. R. ,4. Morton I. M. Heilbron and A. Thompson 470. Livers Vitamin A in fish -. P. Karrer, R. Morf and. K. Schopp 824.garithms and Antilogarithms. (Review), F. W. Johnson 426. Lubrication Investigations into -. Lunge and Keane’s Technical Methods of Chemical Analysis. 2nd Ed. Vol. 111. (Review) Edited by C. A. Keane and P. C. L. Thorne 769. Logarithms non-interpolating - Colo-663. M Madar Poisoning by -. 665. Madras Annual Report of the Chemical Exam-iner (C. Newcomb) for the Government of - foi- the year 1930. corrosion. 664. Determination of - with S-hydroxyquino-line-gravimetrically volumetrically and colorinietrically. A. W. Hough and J. B. Ficklen 206. 664. Magnesium alloys; Resistance of - to Drop reaction for -. 484. Improved method for determining - by means of o-hydroxyquinoline. F. L. Hahn, 833. in blood ; Microchemical determination of - without removing calcium.S. Yoshi-matsu 756. in Dolomitic limestones ; Determination of - by means of saccharate solutions. A. C. Shead and B. J. Heinrich 65. in milk; Determination of - by means of trichloroacetic acid filtrates. G. P. Sanders 401 xxxviii INDEX TO ' VOLUME LVI. Magnesium-continued. in Portland cement and similar materials determined by 8-hydroxyquinoline. J. C. Redmond and H. A. Bright 339. in printing inks ; Identiflcation of -. L. hf. Larsen 64. Separation of calcium and - by the molybdate method. Maize germs; Essential oil from -. 257. plant; Non-volatile organic acids in -. E. K. Nelson and H. H. Mottern 672. preparations; Analyses of -. 536. R. C. Wiley 417. Malol (Ursolic acid). 258. Malt dextrinolytic activity of - ; Suggested L.Fletcher and method for determining. J. B. Westwood 747. National Mark -. 50. Products. Merchandise Marks (Imported Goods) No. 5 Order 1930 No. 366. Malt Extract method for starch in cereal products, 185. Mammy Apple seed and oil. G. S. Jamieson and R. S. McKinney 603. Manganese Drop reaction for -. 45. 484. in foodstuffs. A. E. Boycott and G. R. in relation to nutrition. M. B. Richards 54. Rapid gravimetric determination of -. J. Dick 203. Volumetric determination of - after oxida-tion by periodate. H. H. Willard and J. J . Thompson 831. m g m n e industry ; Effect of high-pressure hardening of oils for the -. J. A. Van Dijk R. T. A. Mees and H. I. Waterman, 544. Reichert Polenske and Kirschner values of rancid -.G. D. Elsdon. R. J. Taylor and P. Smith 515. Massanalyse Die - . Part 11. (Review), I. M. Kolthoff 842. changes in. C. H. Lea. I. Frozen mutton and lamb 538. 11. Chilled beef 610. 111. Frozen bacon 759. micro-organisms on chilled and frozen - ; Growth of. R. B. Haines 611. products ; Determination of nitrite and sulphite in presence of one another in -. E. Szabo 120. Sulphur dioxide in minced -. Sulphur dioxide in potted -. Cameron 55. l e & Frezen and Chi!!Pd -; Chemical 33. 808. meats Potted -. 658. Meconic Acid Bromine as a reagent in deter-mining -. 728. Medical Hydrology ; International Society of -. Report of International Standard Measurement Committee 745 776. Medicinal Waters ; International Register of Medicine Chemical Methods in Clinical -.(Review) G. A. Harrison 346. Crystallographic examination of the micro-sublimates of synthetic compounds used in -. W. Haas 136. Spas and -. 745 776. Medicine-continued. Micro vacuum sublimation of synthetic compounds used in -. R. Eder and W. Haas 135. Menhaden Oil Nature of the highly unsaturated fatty acids stored in the lard from pigs fed on-. J. B. Brown 187. Menthone content of peppermint oil ; Evalua-tion of -. J. Keilly N. Noonan and P. J. Drumm 702. Merceologia Dizionario di - e di Chimica Applicata. G. V. Villavecchia 698. Mercerisation Iodine - test. W. F. A. Ermen 550. Merchandise Marks Act (Imported Goods) No. 5 Order 1930. No. 566. Malt Products. 45. (Imported Goods) No. 7 Order 1931.Statutory Rules and Orders 1931. No. 171. 460. Mercuric Chloride paper; Holder for - in Gutzeit test. G. H. Davis 30. Mercuric Cyanide mercury in - * New method for determining. E. Catteliin 132, Mercury compounds ; Micro-combustion of carbonand hydrogenin-. M. Furter 341. Determination of - as periodate. H. H. Willard and J. J. Thompson 830. Drop reaction for -. 484. in Donovan's solution ; Determination of -. T. T. Cocking 262. in mercuric cyanide; New method for determining -. E. Cattelain 132. in organic compounds ; Anhydrous distillation method for determinaing -. E. P. Feni-more and E. C. Wagner 684. Inaccuracy in the determination of - by direct precipitation as mercury sulphide from acid solution. E. P. Fenimore and E. C. Wagner 687.H. Fink and J. Schormuller 133. Mercury Sulphide Inaccuracy in the deter-mination of mercury by direct precipitation as - from acid soiution. E. F. Fenimort: and E. C. Wagner 687. Mesaconic Acid Identification of -. H. H. Mottern and G. L. Keenan 549. Meta-Cresol Bromine as a reagent in determin-ing -. 734. Metal Alleged dermatitis from -. (Legal Notes) 399. solution in milk ; Residual-current measure-ments in control of -. H. T. Gebhardt and H. H. Sommer 814. Metals Impurities in -. Their influence on Structure and Properties. 2nd Ed. (Review C. J. Smithells 351. Microchemical spot tests for some of the heavy - using dithizon (diphenyl-thiocar-bazone). H. Fischer 208. Production of single crystals of pure -. 664. Quinoline as a microchemical reagent for some of the heavy -.J. M. Kovenman, 482. Metaphosphoric Acid Volumetric determination and separation of ortho,- pyro- and -. S. Aoyana 480. Lead separated from - as chromate INDEX TO VOLUME LVI. xxxix Methane Analysis of mixtures of hydrogen, ethane and -. 0. J. Walker and S. N. Shukla 274. Combustion of - by means of copper oxide. J. R. Campbell and T. Gray 59. Determination of small quantities of --. H. R. Ambler 635. oxidation of - by means of copper oxide ; Influence of various catalysts in promoting. J . R. Campbell and T. Gray 60. A. Sartori 412. inhalation. C. P. McCord 759. L. Pick 466. Methanol (Methyl alcohol). 58. Methyl Alcohol 58. Poisoning by -. Toxicity of - following skin absorption and Methyl Ester Detection of benzoic acid as -.Methylene Blue in tinned peas. Mexican scammony root resin its solubility in ether and the acid value as a test for rosin. C . E. Corfield and W. R. Rankin 673. Mianin 51. Micro sublimates of synthetic compounds used in medicine ; Crystallographic examination of -. W. Haas 136. vacuum sublimation of synthetic compounds used in medicine. R. Eder and W. Haas, 136. Micro-Analytic# determination of certain hydroxy-acids by means of the photo-electric cell; Quantitative -. A. s. Williams R. H. Muller and J. B. Niederl, 619. Micro-Balance New -. Microbe The Soil and the -. S. A. Waksman and R. L. Starkey 624. Microbiology Industrial -. The Utilisation of Bacteria Yeasts and Molds in Industrial Processes.(Review) H. I;. Smyth and W. L. Obold 423. Microchemical analysis ; Abstracts 66 134, 208 275 341 418 482 555 619 689. determination of magnesium in blood without removing calcium. S. Yoshimatsu 756. identification of alkaloids ; System for the -. J. F. H. Amelink 418. identification of harmine and harmaline. J. F. H. Amelink 419. identification of some barbituric acid com-pounds. L. van Itallie and Steenhauer, A. J. 136. methods ; Application of - to the analysis Practice. 2nd Ed. (Review). F. Emich 138. reagent for some of the heavy metals ; Quino-line as -. J. M. Kovenman 482. spot tests for some of the heavy metals, using dithizon (diphenylthiocarbazone) . H. Fischer 208. tests for benzoic acid salicylic acid and esters of P-hydroxybenzoic acid in food and drugs.R. Fischer and F. Stauder 275. -. B. Flaschentrager 210. M. Furter 341. 742. J. Donau 342. cf pigxents nf p2irltings. E. Eetterich 136. Micro-Combustion Electric heater for Pregl’s of carbon and hydrogen in mercury compounds. Micro-Crystallographic identification of bar-bituric alkaloids. G. Denigks 689. Micro-Determination of cholesterol ; Contri-butions to the -. M. Yasuda 620. of copper by means of salicyl-aldoxime. W. Reif 557. of iodine in common salt. H. Werner 341. Micro-Dumas method ; Contributions to the -. 0. R. Trautz 555. with a Micro-Electrolysis Qualitative -small electrode. H. J. Brenneis 618. Micro-Method for measuring the extent to which a cellulosic material has been chemically modified or degraded.C. R. Nodder 690. Micro-Organisms belonging to the paratyphoid group ; Haemolytic properties of -. C. P. Eliot and W. W. Ford 58. on chilled and frozen meat ; Growth of -. R. B. Haines 611. Micro-Reaction for benzoic acid. 303. Micro-Reactions Colorimetric - of the glutogenic protides and cellulosic gels of the wheat grain. Microscopy Handbook of Chemical -. Vol. 11. 2nd Ed. (Review) E. M. Chamot and C. W. Mason 559. Recent Advances in -. Biological Applica-tions. (Review) A. Piney 695. Mikrobin-P as preservative for bread. Mikrochemisches Praktikum 2nd Ed. (Review), F. Emich 138. Milk added water in - ; Diphenylamine test for nitrates in - as means of detecting. D. R. Wood E. T. Illing and A. E. Fletcher 248. added water in - ; Nitrate test for detecting.G. W. Monier-Williams 397. as cause of paratyphoid fever. 743. B. abortus in - of English herds ; Investi-gation of the occurrence of. D. R. Wood and E. T. Illing 105. Bacteria in commercial -. 658. Bacteriological standards for bottled new - and sterilised -. 600. beet odour and taste in - ; Cause of. P. Post 402. Calcium magnesium and acid-soluble phos-phorus in - determined by means of tricliloroacetic acid filtrates. G. P. Sanders, 401. P. Brukre 66. 542. Condensed -. See Condensed Milk. Dirt in -. 657. Freezing-point test of -. 455. (Legal Notes) 253. glucose in - ; Indications of. C. H. Whitnah 184. heated - ; Detection of. K. Eble and H. Pfeiffer. 113; S. Rothenfusser 747. human-; Two new sugars of - gyno: lactose and allolactose.M. Polonovski and A. Lespagnol 539. lactic acid in - ; Determination of. L. H. Lampitt and M. Bogod 320. microscopical examination of - for tubercle bacilli ; A simple calculation of the limit of value of. D. R. Wood 179 Jd INDEX TO VOLUME LVI. BEk-continued. 312. 455. nitrates in -. 598 ; in watered - 248, of two herds ; Day to day variation in -. Pasteurised -. See Pastewised M e . powder ; Physico-chemical constitution of -. L. H. Lampitt and J. H. Bushill, 778. powder ; Physico-chemical constitution of spray-dried -. Fat in spray-dried -. L. H. Lampitt and J. H. Bushill 256. products ; Determination of lactic acid in -. L. H. Lampitt and M. Bogod 320. proteins Determination of -. G. M. Moir. I.Chemistry of the separation of casein, 2. 11. Identity of the casein precipitate, 73. 111. Proposed modified method for casein 147. IV. Combined determination of albumin and globulin 228. residual-current measurements in control of metal solution in milk. H. T. Gebhardt and H. H. Sommer 814. Retained -. 0. Laxa 184. Rising of fat in -. G. Jorgensen 380. Sale of - Regulations 224. sow’s -; Fat of. Thermophilic bacteria in -. M. I . Christian, 411. vitamin B and vitamin C content of -; Influence of the ration of the cow upon. C. H. Hunt and W. E. Krauss 681. Millet Seed Oil S. Ueno and N. Kuzei 117. Mineral Waters Rubidium and caesium deter-mined in -. L. Fresenius 834. Minerals used in tanning; Identification in small samples of leather of -.K. Kamfer 335. Ministry of Agriculture and Fisheries Agri-cultural Produce (Grading) (Potatoes) Regulations 1929. No. 1117. 43. Statutory Rules and Orders 1930. No. 370. Agricultural Produce (Grading and Marking) Regulations. 108. Statutory Rules and Orders 1931 No. 168. Agricultural Produce (Grading and Marking) (Cider) Regulations. 3 17. Ministry of Health Annual Report for the year ending March 1931 with abstract of reports of Public Analysts. 743. Effect on Foods of Fumigation with Hydrogen Cyanide. Public Health Report No. 60. 46. Sale of Food and Dnigs Act. Anniial Report for 1929-30 and abstract of Public Analysts’ Reports for 1929. 110. 0. Laxa 321. Mints Clear -. 600. Molybdate method of separating calcium and morphine Denighs-Oliver test for -.F. deposited in the B.P. process for the analysis J. N. derivatives and substitutes Bromine as a Crystal -. 655 740. magnesium. R. C. Wiley 417. Bamford 586. of opium ; Contamination in -. Rakshit 711. Morphine-2ontinued. quinine in presence of -; Determination of. 724. Mould cultures ; Determination of enzyme yields in -. mycella ; Sterol content and antirachitic activatibility of -. L. M. Pruess W. H. Peterson H. Steenbock and E. B. Fred 196. Moulds Behaviour of - on expanded corks. J Greger 267. Utilisation of Bacteria Yeasts and ~ in Industrial Processes. (Review) H. F. Smyth and W. L. Obold 423. Mushrooms Soluble enzymes secreted by hymenomycetic -. Comparison of the anti-oxygenic power of tannin and of the phenolic constituents of essential oils.L. Lutz 820. Mutton Chemical changes in fat of frozen -. C. H. Lea 538. 2. I. Kertesz 193. N ,S-Naphthol Detection of -. G. De Haas, Fluorescence reaction of -. N. Schoorl, Narceine Bromine as a reagent in determining Narcotics Cocaine and allylcocaine in -. 606. Narcotine Bromine as a reagent in determining National Mark malt 50. National Physical Laboratory Report for the Nesslerisation of ammonia in sea water ; Direct Nesder’s Reagent for acetaldehyde in ether, Neubauer’s chemico-physiological method for determining phosphoric acid and potash assimilable by soil. C. Antoniani and M. Nicolini 825. New Zealand Report of the Dominion Analyst for 1929. W. Donovan 182. Nickel and chromium in the same solution; Volumetric determination of -.L. H. James 687. determination of -. 202. 332. -. 727. - 728. year 1930. 661. -. W. Wattenberg 208. 241 for acetone in ether 244. Drop reaction for -. 484. in presence of much cobalt; Detection and F. Feigl and 13. J. separation of cobalt and - ; New method Ka.pulitzas 204 for. G. Schuster 133. Nickel-Chromium alloy. 664. Nickel Sqphide Quantitative precipitation of sulphides in buffered solutions. 11. -. M. E. Haring and B. B. Westfall 207. Nickel Uranyl Acetate as qualitative reagent for sodium. P. Feldstein and A. M. Ward 245. Nicotine content of Dutch cigars. A. Van Druten 260. content of raw tobacco and its retention a t various temDeratures. C. Pvriki and H. reagent for determining -.728. Dittmar 40f INDEX TO VOLUME LVI. xli Nicotine-continued. in commercial solutions and insecticides ; Determination of -. A. Sabatik 121. in insecticides; Determination of -. A. Sabatik 121. in oriental tobaccos ; Determination of -. J. Burmann 53. in tobacco smoke:; Amounts of -. G. Pyriki 753. poisoning 744. Niobium analytical chemistry of tantalum -and their mineral associates ; Investigation into. XIX. Laboratory notes on analyti-cal technique. W. R. Schoeller 304. XX. Separation of tin from tantalum and niobium. W. R. Schoeller and H. W. Webb 795. Nitrate test for the detection of added water in milk. G. W. Monier-Williams 397. Nitrates in drinking water ; Determination of -. W. Mulder 766. in milk. 598. in milk; Diphenylamine test for - as means of detecting added water and the effect of drenching cows with “ nitre.” I).R. Wood E. T. Illing and A. E. Fletcher 248. in watered milk. 312. Tests in capillary tubes applied to the identi-fication of -. F. L. Hahn 134. Nitre Sweet spirits of -. Nitric Acid Colour reactions of sterols with -. 0. Rosenheim and R. K. Callow 472. Determination of silica in vegetable substances by mixed perchloric and -. L. Lematte, G. Boinot E. Kahane and M. Kahane 686. in sulphuric acid ; Determination of -. H. A. J . Pieters and M. J. Mannens 65. Nitric Oxide haemoglobin ; Preparation of -. H. Hartridge 671. Nitriles ethylenic - ; Determination of. G. Heim 129. Nitrite and si.ilphite in presence of one another in salt mixtures and in meat products; Determination of -.E. Szabo 120. Iodimetric titration of iodide and -. C. A. Abeledo and I. M. Kolthoff 688. Nitrites Acridine dyestufts for the determination of -. W. M. Rubel 326. Tests in capillary tubes applied to the identi-fication of -. F. L. Hahn 134. Nitro-Group in some organic compounds ; New method for detecting -. P. K. 3ose 504. Nitrogen Amino -. See Amino Nitrogen. Atomic weight of -. 538. Bromimetric determination of ammoniacal -. I . B. Levy 478. 11. H. Tschepele-wetzky and S. Posdniakowa 479. determination by the Kjeldahl method ; Use of selenium as catalyst in. M. P. Lauro 813. in foods and feeds; Factors for converting percentages of - into percentages of proteins. D. B. Jones 813. in gases; Direct determination of -.H. R. Ambler 804. 808. Nitrous Acid Effect of - upon components of the vitamin B complex. H. C. Sherman and M. W. Whitsitt 197. in sulphuric acid; Determination of -. H. A. J . Pieters and M. J. Mannens 65. Northumberland Appointment of Agricultural Analyst for County of -Appointment of E. Voelcker as Deputy Agricultural Analyst for County of -. 398. Northampton Appointment of Public Analyst and Agricultural Analyst for County of -. 180 181. Nutrition Copper in animal - ; Some biochemical and physiological aspects of. I. J. Cunningham 820. Experiments on - . X. Comparative vitamin B values of foodstuffs. Cereals 11. R. H. A. Plimmer W. H. Raymond and J. Lowndes 679. Manganese in relation to - . M. B. Richards 54.Nuts Essential oils from -. 181. 257. 0 Oat plant ; Non-volatile organic acids in -. E. K. Nelson and H. H. Mottern 672. preparations; Analyses of -. 536. Oats germs ; Essential oil from -. 257. Vitamin A content of -. Obituary Notices Agar Shelton Gottlieb 497. C. R. Meyer and R. A. Hetler 470. Alderton Gilbert John 286. Blyth Meredith Wynter 286 353. Craig George 561. Keane Charles A. 701. Leffman Henry 2. Lowe William Foulkes 778. Miller James 144. Richmond Henry Droop 561 700. Voelcker Edward William 144. Oduvan Leaves Poisoning by -. 665. Official appointments. Oil from linaloe husks from India. 613. 105 180 398 530 698. from seeds of Asteriastigma macrocarpo. D. H. Peacock and Chit Thoung 117. from seeds of Putranjiva Roxburghii Wall.S. Krishna and S. V. Puntumbekar 671. from seeds of Rzbes rubrum L. (red currant). A. Jermstad 324. of Conefiia grandijlora Benth; New acid in - . F. Yilborn 549. of sumac. H. P. Trevethick 614. Preservation of eggs with -. resembling castor oil Oil of Wvightsia M. L. unsaponified - in soap or fatty acids; Oil Seeds from Angola. C. de M. Geraldes, Oils Fatty -. See Fatty Oils. for the margarine industry; Effect of high-pressure hardening of -. J. A. Van Dijk, R. T. A. Mees and H. I. Waterman 544. 383 386. annamensis Dubard and Eberhardt. Margaillan 260. Determination of. A. d’Almeida and C. Duarte 188. E. Lester Smith 9 Xlii INDEX TO VOLUME LVI. Oils-continued. Organic-continued. iodised - ; Determination of iodine and compounds ; Determination of the hydroxyl chlorine in.T. T. Cocking and G. Middleton Estimation of castor oil. 671. New colour reactions with certain fats and compounds; New method for detecting the -. A. F. McCarley 104. nitro-group in -. P. K. Bose 504. Pyrolysis of vegetable - of pronounced compounds ; Sodium in - determined by acetyl value. R. Delaby and R. Charonnat the uranyl acetate method. D. L. Tabern 61. and E. F. Shelberg 685. rancidity in fats and - ; Determination of. matter ; Copper determination in -. A. Taffel and C. Revis 323. S. Ansbacher R. E. Remington and F. B. Saponification values of highly coloured -. Culp 684. H. S. Jois B. L. Manjunath and S. Venkata Qualitative Analysis ; Introduction to -. Rao 332. 2nd Ed. (Review) H. Staudinger 216.Okey Method for determining cholesterol by oxida- sulphur compounds ; New colour reaction for tion of the digitonide; Simplification of soluble --. I. W. Grote 760. -. M. E. Turner 677. Syntheses an Annual Publication of Satis-Oleic . Acid Preparation and properties of factory Methods for the Preparation of highly purified -. J. H. Skellon 415. Organic Chemicals. Vol. XI. (Review), cidity. Organo-Metallic compounds ; Influence of acid chlorides and of pyrrole on the colour test Cocking 200. for reactive - H. Gilman and L. L. Vitamins of - and effect of refining. Orthophosphoric Acid Volumetric determination G. Bertrand 56. and separation of pyro- meta- and -. determining -. 723. Osmium Separation and determination of B.P. process for the analysis of -; Con-tamination in morphine deposited in the.Osmium Tetroxide poisoning. F. R. Brunot 451. J. NRakshit 711. Oxidation oi various gases by means of copper Orange juice ; Refractometric studies on -. 461. oxide lead chromate and cobalt oxide. Orange and Quinine Wine sold without a licence. -reduction indicator ; Rosinduline as -. Oranges Dyed Murcia -. 313. Oxidiring Agent Cobaltic sulphate as an -. Vitamin content of -. 648. Ores metallic iron in - ; Determination of. Ozone optical determination of atmospheric W. Ackermann 205. -; New method for. A. I. .Duniowski. Organic acids in honey. E. K. Nelson and 136. €1. H. Mottern 403. acids in urine Fading of tropaeolin 00 in the titration of -. K. L. McCluskey 195. maize and rye plants. E. K. Nelson and H.H. Mottern 672. Paintings analysis of pigments of ~ ; Appli-acids ; Titration of hydroxy - in presence cation of microchemical methods to. H. of ferric and cupric salts. C. V. Smythe 613. Hetterich 136. analysis ; Abstracts 59 129 199 870 332 Palestine Report of the Government Analyst 413 475 549 612 682 760 825. (G. W. Baker) for - for the year 1929,33. Analysis ; Allen’s Commercial - . Vol. Pdadium Detection of - with dimethyl-VIII. 5th Ed. (Review) 68. amino-benzylidene rhodanine. F. Feigl, P. Krumholz and E. Rajmann 485. rkfi-;o+.-- T7-1 ,c D--c A,I-.---Analytical Chemistry. (Review). Ed. by Palm Oils Composition of commercial -. C. A. Mitchell 279. 11. The fatty acids and component glycer-Chemistry ; Recent Advances in -. Vols. I ides of some - of high free acidity.and 11. A. W. Stewart 698. T. P. Hilditch and E. E. Jones 463. Chemistry ; Textbook of -. (Review) Papaverine Bromine as a reagent in determining compounds ; Anhydrous distillation method Paper Quality of - Report of the Libraq-for determining mercury in -. E. P. Association Speciai Committee. 602. Fenimore and E. C. Wagner 684. Para rubber seed oil. G. S. Jamieson and W. F. compounds ; Determination of the carbonyl and aldehyde content of - Estimation rubber seed oil ; Pyrolysis of -. R. Delaby of phenylhydrazine. S. Marks and R. S. and R. Charonnat 61. Morrell 508. Paralysis Ginger -. 474. content of -. S. Marks and R. S. Morrell 428. rancidity of fats. 11. Measurement of ran- Edited by C. S. Marvel 842. I<. Taufel and J. Miiller 259.Oleurn Succini Rect. (Oil of Amber). T. T. Olive Oil Adulteration of -. 459. Heck 199. Opium alkaloids; Bromine as a reagent in S. Aoyana 480. - R. Gilchrist 616. beverages. 33. J. R. Campbell and T. Gray 60. (Legal Notes) 601. L. Michaelis 415. S. Swann and T. S. Xanthakis 272. acids ; Non-volatile - in barley oats P W I I c I I l l l J L Z ~ . V Ul. I. Ul I L G L c i l l L A U V c L l l c I b J in A. F. Holleman 211. -. 727. Baughman 61 ; Y . Iwamoto 62 INDEX TO VOLUME LVI. xliii Paratyphoid fever ; Milk as cause of -. 743. group of micro-organisms ; Haemolytic prop-erties of -. C. P. Eliot and W. W. Ford 58. Parchment vegetable - used for packing dairy products ; Analysis and composition of. P. Arup 149. Pastembed milk ; Acido-proteolytic bacteria in -.C. Gorini 127. Pathology of some industrial poisons. A. J. Amor 559. Pearl Barley Faced -. 455 741. Peas Agricultural Produce (Grading and Marking) (-) Regulations. 108. Peel Excess of sulphur dioxide in candied -. (Legal Notes) 181. Pellagra Supposed connection between human - and deficiency of vitamin B,. W. R. Aykroyd 56. Penicillium Glaucum cultures ; Enzyme yields in -. 194. Pepper mixture. 741. Peppermint Oil menthone content of -; Evaluation of. J. Reilly N. Noonan and P. J. Drumm 702. Percaine Colour reaction of - 467. Perchlorate chlorate in - ; Detection of -. T. P. Raikowa-Kowatschewa 208. Perchlorates Detection of small quantities of - . Perchloric Acid Determination of silica in vegetable substances by mixed nitric and - L.Lematte G. Boinot E. Kahane and k. Kahane 686. Perfumes Cosmetics and Soaps with Special Reference to Synthetics. 3rd Ed. Vols. I. and 11. (Review) W. A. Poucher 348 Perkin and Kipping’s Organic Chemistry. Part I. F. S. and F. B. Kipping 698. Peroxydase activity ; Determination of -. J. D. Guthrie 194. Peroxydases New method of estimating the activity of --. B. B. Dey and M. V. Sitharaman 82 I. Perspiration Fastness of dyes to -. C. C . N. Vass 192. Petrol in sewage 658. Pfshl’s Reaction Detection of bilberry juice by means of - modified for use with sweet wines. R. Ofner 672. Pflanzananalyse Handbuch der -. Vol. I. (Review) VOI~ G. IGein 921. PH value of culture media. J. Gibson 312. value of white and yolk of hens’ eggs; In-crease in the -.P. F. Sharp and C. K. Powell 322. Pharmacology Bioassays A Handbook of Quantitative -. (Review) J. C. Munch, 490. Pharmacopoeia Commission. Reports of Sub-committees. 400. Report of the Cod Liver Oil Colour Test Sub - Committee. 457. Phenol Bromine as a reagent in determining Methylene blue in tinned -. 742. D. Kruger and E. Tschirch 691. . 733. -Ph~ol-continued. coefficients of coal-tar disinfectants ; Limita-tions of -. C. M. Brewer and G. L. A. Ruehle 330. derivatives ; Determination of some -from the weight of Lautemann’s red. M. Frangois and L. Seguin 829. C. F. Koelsch, 201. Interaction of amines and - with arylsul-phony1 chlorides. F. Bell 802. Phenylhydrazine Estimation of -. S. Marks and R.S. Morrell 508. Philippine kapok seed oil ; Composition of -. A. 0. Cruz and A. P. West 816. woods ; Laboratory tests on the durability of ~ against fungi. 0. A. Reinking 474. Phosphatase Plasma -. I. Method of determination. Some properties of the enzyme. H. D. Kay 123. Phosphate Determination of small quantities of - by Pouget and Chouchak’s method. Determination of phosphorus in small samples of steel. S. G. Clarke 518. rock and slag ; Determination of fluorine in -. D. S. Reynolds and K. D. Jacob, 835. Phosphatide content of cacao beans. B. Rewald and H. Christlieb 465. content of cacao beans and its change during manufacture. B. Rewald and H. Christlieb, 603. contents of varieties of bread. B. Kewald, 113. Phosphoric Acid assimilable by soil ; Neubauer’s chemico-physiological method for determ-ing potash and -.C. Antoniani and M. Nicolini 825. in hydrochloric acid and citric acid extracts of soils ; Colorimetric determination of -. R. G. Warren and A. J. Pugh 128. Phosphorus distribution in the blood of fish, eels and turtles. C. M. McCay 263. in milk ; Determination of acid-soluble -by means of trichloroacetic acid filtrates. G. P. Sanders 401. in small samples of steel; Determination of -. S. G. Clarke 518. in steel alloy steels and cast iron ; Deter-mination of -. A. T. Etheridge 14; N. D. Ridsdale 452. Photomicrography Use of tungsten arc lamps for -. E. E. Jelley 420. Physical Chemistry ; Practical -. (Review) 5th Ed. A. Findlay 276. Chemistry; Recent Advances in -.S. Glasstone 698. Chemistry ; Recent Advances in Inorganic and - . 6th Ed. (Review) A. W. Stewart 425. Laboratory ; Report of the National - for the year 1930. 661. methods of analysis Abstracts 66 136, 210 342 420 557 692 767. Physiological Chemistry ; Introduction to -. 2nd Ed. (Review) M. Bodansky 139. Phenols Identification of -XliV INDEX TO VOLUME LVI. Picric Acid in solution ; Determination of -. M. Frangois and L. Seguin 122. Picrolonic Acid as a means for the quantitative determination of calcium. 832. Pig Excretion and absorption of aluminium in the -. Pigments of paintings ; Application of micro-chemical methods to the analysis of -. H. Hetterich 136. Pigs fed on menhaden oil ; Nature of the highly unsaturated fatty acids stored in the lard from - .Piperidine Determination of - in a mixture of pyridine and higher homologues. A. Travers and Franquin - 203. Piperidinium Piperidyl-Dithiof ormate Applica-tion of - to the colorimetric determina-tion of copper. Piperonal as means of detecting isopropyl alcohol in brandy spirits tinctures cosmetics and liniments. G. Reif 115. Plankton Inter-relationships of - and bacteria in natural purification of polluted water. C. T. Butterfield and W. C. Purdy, 330. Plant Analysis; Handbook of -. Vol. I. (Review) von G. Klein 621. Biochemistry; Principles of -. Part I. (Review) M. W. Onslow 346. tissue ; Association of vitamin A with green-ness in -. 111. Vitamin A content of asparagus grown under light of various qualities.Plants Chemical Investigation of - (Review), L. Rosenthaler 489. Plasma phosphatase. I. Method of determina-tion. Some properties of the enzyme. H. D. Kay 123. Plasmoquin Colour reaction of -. 467. Podophyllum resin; Assay of tablets of -. L. E. Warren 752. Podophyllum Rhizome American and Indian. T. E. ‘Waiiis and S. Goidberg 468. Poisoning by acetic acid. K. Mackenzie 54. J B. Brown 187. R. G. Harry 736. J. W. Crist and M. Dye 410. R. W. Blair 596. by ammonia. by aniline 744. by arsenic. 744. by chloroform during narcosis. A. Sartori 331. by gases. 744. by lead. 744. by methyl alcohol. A. Sartori 412. by nicotine. 744. by seeds of Datura stramonium. A. Sartori, by tetrachloroethane. 744. Carbon monoxide -. R. C. Frederick 561.cases in Ceylon. 666. cases in Madras. 664. cases in Straits Settlements. 812. Hydrogen sulphide -. L. B. Allyn 330. Osmium tetroxide -. F. R. Brunot 451. Poisons Pathology of some Industrial -. A. J. Amor 559. Polenske Value of rancid butters and margarines. G. D. Elsdon R. J. Taylor and P. Smith. 515. K. W. Blair 654. 59. Pollution Atmospheric -. See Atmospheric Pollution. Portland Cement Magnesium in - deter-mined by 8-hydroxyquinoline. J. C. Redmond and H. A. Bright 339. Potash assimilable by soil ; Neubauer’s chemico-physiological method for determining phos-phoric acid and -. C. Antoniani and M. Nicolini 825. Potassium Drop reaction for -. 484. in dilute solutions ; Determination of. M. Rapid colorimetric estimation of -.E. R. Separation of rubidium caesium and-. 834. Potassium Formate Quantitative separation of copper and cadmium by reduction with -. E. I. Fulmer 687. Potassium Iodide Influence of purity of -on results of measuring the strength of sunlight. 314. Potassium Iodomercurate Potentiometric deter-mination of alkaloids by means of -. L. Maricq 120. Potassium Permanganate Oxidation of officinal castor oil by -. Study of triazelain. G. Schuster 188. Potatoes Agricultural Produce (Grading) (-) Regulations 1930. No. 117. 43. Blackening of - after cooking. C. K. Tinkler 676. Sulphur dioxide in -. 808. Wrangel 486. Caley 273. Potted Meats 658. Pouget and Chouchak’s Method for determining small quantities of phosphate -. Deter-mination of phosphorus in small samples of steel.S. G. Clarke 518. Pregl’s micro-combustion ; Electric heater for -. B. Flaschentrager 210. Preservation of eggs. 383. Preservatives for wood ; Testing of -. 127. Printing Inks aluminium and magnesium in -; Identification of. L. M. Larsen 64. Protargol Analytical research on - (deter-mination of alkalinity and silver). A. L. Dragenesco and E. Weinberg-Sachetti 131. Protein concentrates ; Colorimetric determina-tion of the tyrosine and tryptophan content of various crude -. W. D. McFarlane and H. L. Fulmer 264. Proteins Effect of heat upon the biological value of cereal - and casein. A. F. Morgan; 328. Factors for converting percentages of nitrogen in foods and feeds into percentages of -. D. B. Jones 813.isoelectric point of -. 74. milk-; Determination of -. G. M. Moir, I . Chemistry of separation of casein 2. 11. Identity of the casein precipitate 73. 111. Proposed modified method for casein, 147. IV. Combined determination of albu-min and globulin 228. Protides of the wheat grain ; Colorimetric micro-reactions of the glutogenic -. P. BruBre, 66 INDEX TO VOLUME LVI. xlv Prunes Isolation of quinic acid from -. 323. vitamin C content of - ; Effect of drying and sulphuring on. A. F. Morgan A. Field and P. F. Nicholls 329. Prunol (Ursolic acid). 258. Psychotrine Bromine as a reagent in deter-mining -. 732. Public Analysts Notes from Reports of -. See Birmingham Bristol Essex Gibraltar, Kingston-upon-Hull Lancaster Leeds, Leicester Stepney.See also Government Chemists and Ministry of Health. Official appointment of -. 105 180 530, 598. Society of -. See Society of Public Analysts. Pumpernickel Detection of Riegel’s “new preservative for -.” P. Weinstein, J. Muesmann and W. Bodschwinna 542. Putranjiva Roxburghii Wall Oil from the seeds of - . S. Krishna and S. V. Puntumbekar 67 1. Pyramidone antipyrin in - ; Determination of. M. Ribere 123. Assay of - by the silver cyanide method. R. Machtou 326. Pyrethrum flowers; Evaluation of -. J. T. Martin and F. Tattersfield 189. Pyridine Detection and determination of -. S. B. Tallantyre 202. pipendine in a mixture of - and higher homologues ; Determination of. A. Travers and Franquin -. 203. Pyrolysis of vegetable oils of pronounced acetyl value.R. Delaby and R. Charonnat 61. Pyrophosphoric Acid Volumetric determination and separation of ortho- meta- and -. S. Aoyana 480. Pyrrole Influence of - on the colour test for reactive organo-metallic compounds. H. Gilman and L. L. Heck 199. Pyruvic Acid in bacterial metabolism with an account of the methods for detecting and determining -. R. P. Cook 57. Q Qualitative Analyse mit Hilfe von Tiipfelreak-tionen. (Review) F. Feigl 492. Analysis. Vol. I of Analytical Chemistry. 7th English Ed. (Review) F. P. Treadwell and W. T. Hall 349. analysis ; Systematic - = by 11lea9s nf modern drop reactions. C. J. van Nieuwen-burg 483. Elementary AnaIytical Chemistry. (Review), 11th Ed. F. Clowes and J. B. Coleman 137. micro-electrolysis with a small electrode.H. J. Brenneis 618. Quantitative Analysis ; Textbook of -. (Review) W. T. Hall 422. Chemical Analyses (Clowes and Coleman), Revised by D. Stockdale and J. Dexter, 698. Elementary Analytical Chemistry. (Review), 11th Ed F. Clowes and J. B. Coleman 137-Quantitative-continued. micro-analytical determination of certain hydroxy-acids by means of the photo-electric cell. A. s. Williams R. H. Muller and J. B. Niederl 619. Pharmacology; A Handbook of -. (Review) J. C. Munch 490. spectral analysis. P. Urbain 67. Quantum Chemistry. (Review) A. Haas 275. Quartz crystals in honey. F. E. Nottbohm and F. Lucius 462. Queensland Report of the Government Analyst (J. B. Henderson) for - for year ending June 30 1930. 32. Quinhydrone cell for rapid work ; A simple in-expensive -.electrode ; Use of the -. G. M. Moir 445. Quinic Acid Isolation of - from fruits. E. F. Kohman and H. €1. Sanborn 323. Quinine Ammoniated - tablets. 655. J. G. Davis 449. Bromine as a reagent in determining -. 714. Titration of - in ultra-violet light. J. Grant 653. Quinine and Orange Wine sold without a licence. (+gal Notes) 601. Quinoline as a microchemical reagent for some of the heavy metals. J. M. Kovenman, 482. Quinones Sensitive colour reaction for certain -. R. Craven 613. R Radium emanation ; Activation of ergosterol with -. R. B. Moore and T. De Vries, 678. Rancid butters and margarines ; Reichert, Polenske and Kirschner values of -. G. D. Elsdon R. J. Taylor and P. Smith, 515.C. R. Barnicoat 748. Rancidity changes and the flavour of fats. in fats. 531. in oils and fats ; Determination of -. A. Taffel and C. Revis 323. Oleic acid - of fats. K. Taufel and J. Miiller 259. Susceptibility of fats to oxidative - D. P. Grettie and R. C. Newton 749. Rape Oil Solubility of - in alcohol of varying concentrations. K. Hashi 325. Egsk’s leth~rl fnr starch in cereal products 185. Raspberries Vitamin content of -. Raspberry jam ; Gingelly (sesame) seeds in -. (Legal Notes) 809. juice ; Refractometric studies on -. 461. Rat Excretion and absorption of aluminium in the -. K. Mackenzie 470. Rat Poisons Thallium in -. 268. Rats Rate of catabolism of arginine in -. V. C. Kiech J. M. Luck and A. E. Smith 327. Rayon yarns; Chemical properties of some commercial - .B. P. Ridge H. L. Parsons and M. Corner 270. 548. See also Artificial Silk xlvi INDEX TO VOLUME LVI. Receipt Stamps Proof of fraud by means of -. 668. Red Currant Oil from seeds of -. A. Jermstad 324. Reducing sugars. See Sugars. Reichert Value of rancid butters and margarines. C;. D. Elsdon R. J. Taylor and P. Smith, 51 5. Resin of podophyllum ; Assay of tablets of -. L. E. Warren 752. Resins in coal. 333. Resorcinol Analytical applications of the reaction of ammonia on - in the presence of cations. L. Bey 62. Rhenium Atomic weight of -. Rhubarb Quantitative determination of some of the constituents of -. P. Valaer 817. Ribes Rubrum L. Oil from seeds of - (red currant). A. Jermstad 324.Rice Polished -. 456. Polishing. Studies in Vitamin B Concen-tration from -. I. A. Simpson 698. preparations; Analyses of -. 536. Riegel’s “ new preservative for pumpernickel ” ; Detection of - P. Weinstein J. Mues-niann and W. Bodschwinna 542. ‘ ‘Rivanol” Use of - for determining nitrites. 325. River Tees Survey of -, Rocks Chemical Analysis of -. (Review), 4th Ed. Root Ginger 741. “Rope” spore content of flour and its signifi-A. J. Amos and D. W. Kent-Jones, Rosin Acid value of scammony resin as a test C. E. Corfield and W. R. Rankin, Rosinduline as oxidation-reduction indicator. Rubber Extraction apparatus for -. W. H. Filters made of porous hard -. E. Vossen, Science ; Handbook of -. (Review) K. in hops. 261. 538. 107. H. S.Washington 278. cance. 572. for -. 673. E. Michaelis 415. Stevens 528. 558. Memmler and Others. 71. Rubber Seed Oil Pyrolysis of -. 61. Rubidium Determination of - especially in mineral waters. L. Fresenius 834. Rye germs ; Essential oil from -. 257. plant ; Non-volatile organic acids in -. preparations; Analyses of -. 536. E. I<. Nelson and H. H. Mottern 672. S Saccharate solutions as means of determining calcium and magnesium in Dolomitic lime-stones. A. C. Shead and B. J . Heinrich 65. Saccharin Formula for determination of - by titration. 0. Beyer 606. Sale of Food and Drugs Acts Bell’s -. 8th Ed. (Review) R. A. Robinson 420. Error on page 211 of -. 807. Sale of Food and Drugs Act-continued. Extract from Ministry of Health Annual Report for 1929-30 and abstract of Public Analysts’ Reports for 1929.110. Salford Annual report of the City Analyst (H. E. Monk) for the year 1930. Salicyl-Aldoxime as a means for the micro-determination of copper. Salicylic Acid Bromine as a reagent in deter-mining -. 734. derivatives ; Determination of some -from the weight of Lautemann’s red. M. Franqois and L. Seguin 829. in food and drugs ; Microchemical tests for -R. Fischer and F. Stauder 275. in foodstuffs ; Detection of -. 301. Salmon Crystals in tinned -. Distinction between potted - and -paste. (Legal Notes) 742. Salt iodine in common - ; Micro-determina-tion of. H. Werner 341. mixtures ; Determination of nitrite and sul-phite in presence of one another in -. E.Szab6 120. Purification of common - (American), T. B. Brighton and C. M. Dice 408. Sands silica in glass -; Decomposition of refractory silicates by fused ammonium fluoride and its application to the determin-ation of. A. C. Shead and G. F. Smith 274. Santonin Assay of -. H. M. Burlage 752. in “Trochisci Santonini” ; Determination of -. P. J. Claus 467. Saponification values of highly coloured oils. H. S. Jois B. L. Manjunath and S. Venkata Rao 332. ,Saponin from spinach. 0. Dafert 125. lSapote (Mammy apple) seed and oil. G. S. Jamieson and R. S. McKinney 603. I Sauterne yeast ; Alcoholic fermentation of mixtures of glucose and fructose by brewer’s and -. R. H. Hopkins 463. yeast ; Fermentation of sugai riiixtui-es by -. H. Sobotka and M. Reiner 267.Scarnmony Root resin its solubility in ether and the acid value as a test for rosin. C. E. Corfield and W. R. Rankin 673. Scheele and Svensson’s Method for starch in Schiff’s Reagent for acetaldehyde in ether 240. Schliimmanalyse (Review) H. Gessner 352. Scientific Criminal Investigation ; Forensic Chemistry and -. 2nd Ed. A. Lucas 698, 2nd Ed. C. A. Mitchell 698. Food Investigation Board Report for the year 1930. 531. Food Investigation Report No. 40. The corrosion of the tin-plate container by food products. 315. Fuel Research Paper No. 27. Measurement of a rapidly fluctuating flow of gas. Investigation of Atmospheric Pollution. Reports on observations in the year ending March 31st 1930. 254. 314. W. Reif 557. 808. cereal products 184.Detective and the Expert Witness. Scientific and Industrial Research Dept. 111 INDEX TO VOLUME LVI. xlvii Scopolethe reaction for Hyoscyamus extracts. E. C. M. J. Hollman 819. Sea-Water ammonia in - ; Direct nesselerisa-tion of. H. Wattenberg 208. Seeds of Datura stvamoniuvn ; Poisoning by -, -4. Sartori 59. Selenious Acid as means of determining zir-conium. S. G. Simpson and W. C. Schumb, 337. Selenium as catalyst in the determination of nitrogen by the Kjeldahl method. M. F. Lauro 813. Rapid gravimetric determination of -. 203. Rapid method for determining -. E. Volumetric determination of - . B. Benesch and E. Erdheim 133. Ormont 337. Semen Florence’s test for -. 666. Seminal stains detected by ultra-violet light. 665.Sesame seeds in raspberry jam. (Legal Notes), Sewage Petrol in -. 658. Sheep liver ; Fatty acids in - K. Turner 50. Shellac. Wax determined in -. A. G. Ships Testing of - for dangerous gases. 656. Silica in glass sands ; Decomposition of refractory silicates by fused ammonium fluoride and its application to the determination of -. A. C. Shead and G. F. Smith 274. in vegetable substances determined by means of mixed nitric and perchloric acids. L. Lematte G. Boinot E. Kahane and M. Kahane 686. Silicates Decomposition of refractory - by fused ammonium fluoride and its applica-tion to the determination of silica in glass sands. A. C. Shead and G. F. Smith 274. Silicic Acid Drop reaction for -. 485. Silk in - fabrics ; Determination of. D. 809.Stillwell 62. Ongaro 478. 2nd Ed. (Review). E. Wheeler 213. Chemical characteristics of colloidal -. G. Gaume 607. Detection of - with dimethylamino-ben-zylidene rhodanine. F. Feigl P. Krumholz and E. Rajmann 485. Drop reaction for -. 484. in protargol; Determination of - A. L. Dragenesco and E. Weinbergsachetti 13 1. lficrmhemica! spot test fnr - i.ising dithizon. 209. Silver Cyanide method of assaying pyramidon. R. Machtou 326. Sivadjian’s Colour Reaction for identifying ephedrin. W. H. Hartung F. Crossley and J. C. Munch 467. Soap unsaponified oil in fatty acids or - ; Determination of. E. Lester Smith 9. Soaps Perfumes Cosmetics and - with Special Reference to Synthetics. 3rd Ed. Vols. I and 11. (Review) W. A. Poucher 348. Appointment of Sub-committee on.738. Manufacture of Artificial - (Rayon), Silver Atomic weight of -. 538. Unsaponified Fat in -Society of Public Analysts Address of the Chairman of the North of England Section, G. D. Elsdon 284. Annual Report of Council 218. Co-operation with manufacturers 222. North of England Section. 1 143 222 283, Presidential Address (J. T. Dunn) 221. Proceedings of the -. 1 73 143 217, 283 353 427 497 561 626 699 777. Summer Meeting of the North of England Section. 497. Sodium Colorimetric determination of -. R. A. McCance and H. L. Shipp 552. determination by sodium sulphate method : Irregularities in -. G. W. Collins 686. Drop reaction for -. 484. in biological material ; Application of the uranyl zinc acetate method of determining -.A. M. Butler and E. Tuthill 764. in organic compounds determined by the uranyl acetate method. D. L. Tabern and E. F. Shelberg 685. Nickel uranyl acetate as qualitative reagent for -. P. Feldstein and A. M. Ward 245. Volumetric determination of - A. Blenkinsop 134 ; J. T. Dobbins and R. M. Byrd 764. Sodium Bisulphite Effect of - on the polarising power of sugars. Y . Tomoda and T. Taguchi 114. Sodium Diethyldithiocarbamate solution for determining copper in organic matter. 686. Sodium Ethylate test for saponifiable oil. 10. Sodium Paratoluene-Sulphonchloramide Be-haviour of natural and artificial fruit essences towards - (Heyden chloramine) . A. Miermeister 51. Sodium Silicate solution ; Preservation of eggs in -. 384 387.Sodium Sulphate method for sodium deter-mination ; Irregularities in -. G. Mi. Collins 886. Sodium Sdphide solutions ; Measurement of hydroxyl and hydrosulphide ions in --. A. W. Goetz 482. Soffioni of Tuscany. (Review) R. Nasini 216. Soil and the Microbe. S. A. Waksman and K. L. Starkey 624. Neubauer’s chemico-physiological method for determining phosphoric acid and potash assimilable by -. C . Antoniani and M. Nicolini. 825. reaction Relation of - to vegetation. 106. Soils phosphoric acid in hydrochloric acid and citric acid extracts of -; Colorimetric determination of. R. G. Warren and A. J. Pugh 128. Solids soluble -in jams etc. ; Determination of. T. Macara 391. Solutions nicotine in commercial - ; Deter-mination of. A. Sabati6 121.Solvents Action of - on the activation of ergosterol. C. E. Bills E. M. Honeywell and W. M. Cox Jun. 284 497 699. 678. (Review) 2nd Ed. T. H. Durrans 695 xlviii IXDES TO T’OLUME LVI. Soot Examination of -. 81 1. Sorbitol in the analysis of jams ; Detection of -. C. F. Muttelet 186. method of detecting fruit wine in grape wine. M. Klostermann and W. Fachmann 405. Sow’s Milk Fat of -. Soya Hispida seed deprived of uricase ; Applica-tion of -. Spacu’s Reaction Study of -. Volumetric determination of copper. Volumetric determination of copper based on -. L. Cuny 561. Spas and Medicinal Waters ; International Register of -. 745 776. Urbain 67. Spectroscope Hartridge reversion- as a means of determining percentage saturation of carbon monoxide in blood.R. C. Frederick, 561. Sperms in forensic cases; Detection of -. J. Peltzer 198. Spinach Saponin from -. 0. Dafert 125. Spirit of Nitre Sweet -. Spirits Isopropyl alcohol in - detected by means of piperonal. Sponge Cake mixtures. 658. Spot Tests Qualitative Analysis by means of -. (Review) F. Feigl 492. Standards for cod-liver oil ; Suggested -. 634. for jam. Percentage of soluble solids. 701. for toddy. 812. Starch Application of the method of determin-ing small quantities of mixed reducing sugars to the determination of products of hydrolysis of - by takadiastase. E. M. Widdowson 668. in cereal products; Determination of -. C. W. Herd and D. W. Kent-Jones 184. in finished goods and yarns ; Determination of -. D. A. Derrett-Smith 131.in flour ; Determination of - by diastase and acid hydrolysis. B. G. Hartmann and F. Hillig 322. in sized and finished cotton goods ; Determin-ation of -. R. G. Fargher and L. V. Lecomber 825. Starch-Iodine Reaction Studies on the -. J. Field 612. Steel chromium in - ; Determination of traces of. W. J. Agnew 24. chromium in - ; Electrometric titration Manganese in - determined volumetncally. 831. phosphorus in - ; Determination of A. T. Etheridge 14 454 ; N. D. Ridsdale 452. phosphorus in small samples of - ; Deter-mination of. s. G. Clarke 518. sulphur in small samples of - ; Determina-tion of. A method for the determination of small quantities of hydrogen sulphide. S. G. Clarke 436. 0. Laxa 321. R. Fosse and Others 193.J. GoIse 272. Spectral analysis ; Quantitative - . P. 808. G. Reif 115. of I;. Spindeck; 64. Steels alloy- ; Determination of phosphorus in -. A. T. Etheridge 14 454; N. D. Ridsdale 452. Steels-continued. alloy- ; Revision of the new- iodinietric determination of vanadium in -. W. Werz 339. Carbon in high sulphur - determined by direct combustion. H. A. Bright and G. E. F. Lundell 205. Chemical Analysis of Special -. 4th Ed. (Review) C. H. Johnson 213. Stepney Annual Report of the Borough Analyst (D. Henville) for - for the year 1929 30 ; for the year 1930 741. Sterol content and antirachitic activatibility of mould mycella. L. M. Pruess W. H. Peterson H. Steenbock and E. B. Fred, 196. Sterols Colour reactions of - with nitric acid.0. Rosenheim and R. K. Callow 472. Straits Settlements Report of the Government Analyst (J. C. Cowap) for - for the year 1930 812. Stramonium Assay of - leaves and tincture of -. Strawberries Vitamin content of -. Strawberry juice ; Refractometric studies on Strimbosia Scheffleri oil seeds. 189. Strychnine in Easton’s Syrup ; Determination of quinine in presence of - ; Determination Suet Labelling of beef -. Shredded -. 658. shredded - ; Fat in. 778. Sugar Cane - containing formic acid. 600. in the blood of fish eels and turtles. C . 31. McCay 263. invert - in raw sugars; Determination of small proportions of. L. Eynon and J. H. Lane 322. mixtures; Fermentation of - by Sauterne yeast. H. Sobotka and M. Reiner 267. suiphur dioxide content in mixtures of -and corn syrup ; Effect of the rate of boiling on the residual.Also the effect of bleaches containing sulphur dioxide. R. H. Morgan. 638. Sugars Aldose - determined by titration with standard iodine and alkali solutions. G. M. IGne and S. F. Acree 48. invert sugar in raw - ; Determination of small proportions of. L. Eynon and J. H Lane 322. of human milk ; Two new - gynolactose and allolactose. M. Polonovski and A. Lespagnol 539. polarising power of -; Effect of sodium bisulphite on. Y. Tomoda and T. Taguchi, 114. reducing- ; Ferricyanide method for deter-mining -. Modification of the Hage-dorn-Jensen-Hanes technique. A. C. Hulme and R. Narain 815. reducing- ; Iodimetric determination of ~ in the apple. H. K. Archbold and E.31. Widdowson 462. C. M. Caines 62. 548. -. 461. -. of. 717. L. A. Haddock and N. Evers 674. 313 740 INDEX TO VOLUME LVI. xlix Sugars-continued. reducing- ; Method for determining small quantities of mixed - and its application t o the determination of products of hydro-lysis of starch by taka-diastase. E. M. Widdowson 668. Sumac Oil H. P. Trevethick 614. Sulphate Volumetric determination of -. D. Northall-Laurie 526. Sulphides Drop reaction for -. Quantitative precipitation of - in buffered solutions. I . Cobalt sulphide. M. E. Haring and M. Leatherman 207. 11. Nickel sulphide. M. E. Haring and B. B. Westfall 207. Sulphite and nitrite in presence of one another in salt mixtures and in meat products; Determination of -.E. Szab6 120. Sulphite Cellulose extract ; Furfural number of tanning extracts and their mixtures with -. T‘. NEmec 761. Sulphur compounds; New colour reaction for soluble organic -. in small samples of steel; Determination of - S. G. Clarke 436. Sulphur Dioxide Effect of rate of boiling on the residual - content in mixtures of sugar and corn syrup ; also the effect of bleaches containing -. R. H. Morgan 638. in candied peel ; Excess of - . (Legal Kotes) 181. in dried apricots. 314. in foodstuffs ; Detection of -. 302. Possible effect of - when used as a preser-vative for dried fruits etc. C. E. Sage 451. in potted meat. 808. and its Manufacture. (Review) H. A. Auden, 493. nitrous and nitric acids in - ; Determina-tion of. H. -4. J. Pieters and M.J. Mannens, 65. Suspension of iodine pentoxide in fuming - as =ems for the volumetric deter-mination of carbon monoxide. H. A. J. Pieters 550. Sulphuring Effect of drying and - on vitamin C content of prunes and apricots. A. F. Morgan ,4. Field and P. F. Nicholls 329. Sunlight Measurement of strength of -. Influence of the purity of potassium iodide. 314. observations (ultra-violet rays). 255 659. Syrup of Figs (Legal Notes) 106. 484. I. W. Grote 760. T Taka-Diastase Application of the method for determining small quantities of mixed reducing sugars to the determination of products of hydrolysis of starch by -. E. M. Widdowson 668. Tallows Glyceride structure of beef -. A. Banks and T. P. Hilditch 816. Tannery lime liquors ; Determination of amines Tannin Comparison of the antioxygenic power of - and of the phenolic constituents of essential oils.L. Lutz 820. Precipitation of - by means of hexa-methylenetetramine. A. T. Hough 827. Tanning Determination and importance of hydrogen ion concentration in -. (Review) H. Machon 844. extracts; Determination of copper in -D. Burton 335. extracts ; Determination of “uronic” acids and pentoses in -. extracts ; Furfural number of - and their mixtures with sulphite cellulose extract. V. Nkmec 761. Minerals used in - identified in small samples of leather. Tantalum analytical chemistry of niobium, - and their mineral associates ; Investi-gations into. XIX. Laboratory notes on analytical technique. W. R. Schoeller 304.XX. Separation of tin from tantalum and niobium. W. R. Schoeller and H. W. Webb 795. H. Phillips 826. K. Kamfer 335. Atomic weight of -. 538. in tantalite ; Simpson’s process for -. 7950 Tartar Emetic Electrolytic separation of lead and antimony and its application to the determination of lead in -. E. M. Collin and H. J. S. Sand 90. varying concentrations. Ii. Hashi 325. Tea Labelling of -. 599. Tea-Seed Oil Solubility of - in alcohol of Telephone wire ; Spectroscopic identification of Tellurium in bismuth; Detection of -. Rapid gravimetric determination of -. Terpenes The -. (Review) K. Bournot 422. Tetrachlorethane poisoning. 744. Thalleioquin reaction for quinine. 714. Thallium Atomic weight of -. 53s. Toxicology of -. G. R Lynch and J.M. S. Thebaine Bromine as a reagent in determining Theobromine Quantitative methylation of -and its determination in theobromine sodium salicylate. P. A. W. Self and W. R. Rankin, 6’74. Theobromine Sodium Salicylate Determination nf theobromine in -. P. A. W. Self and W. R. Rankin 674. Theophylline Quantitative methylation of - and its determination in theophylline sodium acetate. P. A. W. Self and W. R. Rankin 674. Theophylline Sodium Acetate Determination of theophylline in -. P. A. W. Self and W. R. Rankin 674. Thermophilic bacteria in milk. M. I. Christian, -. 667. H. Tijpelmann 63. J. Dick 203. Scovell 268. -. 727. of commerce. G. J. W. Ferry 678. 411. in - . E. K. Moore J. H. Highberger Thiocyanate titration; Iodimetric -.H. A. R. Koppenhoefer and F. O’Flaherty 614. Page1 and H. J. Koch 555 1 INDEX TO VOLUME LVI. Thiosnlphate Determination of - by means of ceric sulphate. N. H. Furman and J. H. Wallace junr. 416. Thorn-apple seeds; Poisoning by -. A. Sartori 59. Thymol Bromine as a reagent in determining -. 734. Thyroid Gland Geographical location and iodine content of the -. F. Fenger R. H. Andrew and J. J. Vollersten 190. Tin Drop reaction for -. 484. in processed cheese. 251. in the animal organism. G. Bertrand and V. Ciurea 409. Lead reduction method for the volumetric determination of - and the interference with i t by copper and antimony. S. G. Clarke 82. reduction of antimony and - prior to titration ; New method of. B. S. Evans 171. Separation of - from tantalum and niobium.W. R. Schoeller and H. W. Webb, 795. food products. Food Investigation Board Report No. 40 315. Tincture of stramonium ; Assay of -. C. M. Caines 52. Tinctures Isopropyl alcohol in - detected by means of-pjperonal. Tinned peas ; Methylene blue in -. tomatoes ; Metals in -. salmon ; Crystals in -. Tintometer standardisation ; Report on -. W. D. Hutchins 693. !Rtanium Atomic weight of -. 538. Separation of iron aluminium and -. E. S. von Bergkampf 337. Titanium Trichloride 11 Use of buffers in deter-mining colours (dyes) by means of -. 0. L. Evenson and R. H. Nagel 413. Tobacco Importance of acidity of - for its hygienic evaiuation. A. Faiteiowitz 261. nicotine in oriental - ; Determination of. Tin-plate containers ; Corrosion of - by G.Reif 115. 742. 742. 808. J. Burmann 53. Nicotine content and its retention a t various temperatures. C. Pyriki and H. Dittmar 407. seed ; -4nalyses of -. 537. smoke; Amounts of nicotine in -. G. Pyriki 753. Toddy Standards for -. 812. Tolamine 51. Tollens’ Reagent for acetaldehyde in ether 241, Tomatoes Metal in tinned -. water in - and preserved - ; Com-position and determination of. A. Leon-hard 115. Tonka-Bean Oil C. D. V. Georgi and G. L. Teik 670. Toxicity of methyl alcohol following skin absorption and inhalation. C. P. McCord, 769. Raw -. 742. of vitamin D. J. B. Duguid 266. Toxicological analysis ; Abstracts 58 198 268, 330 412 474 611 757. Toxicological-continued. detection of isolation of barbital.J. J. L. Zwikker 758. Toxicology of thallium. G. R. Lynch and J. M. S. Scovell 268. Tragacanthin Studies on - (the soluble constituent of gum tragacanth). A. G. Norman 469. Travers’ Method for determining fluorine ; Study of - with reference to insecticides. C. M. Smith E. H. Hamilton and J. J . C. Graham 551. Triazelain Study of -. Trichloroacetic Acid filtrates as. means of deter-mining calcium magnesium and acid soluble phosphorus in milk. G. P. Sanders, 401. Trigonellhe content of coffee. F. E. Nottbohm and F. Mayer 543. in raw and roasted coffee ; Determination of -. F. E. Nottbohni and F. Mayer 405. New lead iodide double salt of -. K. Lendrich and F. Mayer 336. Trinidad and Tobago Annual Report of the Government Analyst for - for 1929.H. S. Shrewsbury 182. Trinkwasser Biologie ; Arbeitsmethoden der -. H. Reger 608. Triphenylmagnesium Bromide Reduction of aromatic ketones and bends by -. M7. E. Bachmann 683. Trochisci Santonini Santonin determined in -. P. J. Claus 467. Tropaeolin 00 Fading of - in the titration of organic acids in urine. K. L. McCluskey, 195. Tryptophan content of various crude protein concentrates ; Colorimetric determination of -. W. D. McFarlane and H. L. Fulmer 264. Tubercle bacilli; A simple calcuiation of the value of the microscopial examination of milk for -. D. R. Wood 179. Tungsten arc lamps; Use of - for photo-micrography. E. E. Jelley 420. Turpentine Liniment of -. (Legal Notes), 105. Sale of “ Household turps ” as -.(Legal Notes) 530. Turtles Phosphorus distribution sugar and haemoglobin in the blood of -. C. nI. McCay 263. Tuscang Soffioni and T.;lgoons nf - a ~ c l the Boric Acid Industry. (Review). R. Nasini, 215. Tyrosine content of various crude protein con-centrates ; Colorimetric determination of -. W. D. McFarlane and H. L. Fulmer, 264. G. Schuster 158. u Ultra-Violet absorption of honeys. J . Stitz and J. Koczkds 137. absorption of liver oils and concentrates ; -4ntimony trichloride colour test and the -. A. E. Gillam and R. A. Morton 822 INDEX TO VOLUME LVI. li Ultra-Violet-continued. sterols of lanolin. Drekter 756. irradiation; Effect of - upon the free A. Bernhard and I. J. light as means of detecting erasure. light as means of detecting seminal stains.665. light as means of identifying cloth. light of the sky ; Apparatus for recording the 666. 667. -. J. R. Ashworth 557. Colombier 342. light ; Titration of quinine in -. J. Grant, 663. rays ; Sunlight (-) observations 255 659. United States of America Dept. of Agriculture. Revised and Amended Definitions and Standards for Food Products. Corn Sugar. 183. Electrometric titration of - by means of ceric sulphate. D. T. Ewing and M. Wilson, 552. Uranyl Acetate method of determining sodium in organic compounds. D. L. Tabern and E. F. Shelberg 685. Uranyl Zinc Acetate method of determining sodium in biological material. A. M. Butler and E. Tuthill 764. Uricase Application of the seed of Soya hzispidu deprived of -.R. Fosse and Others 193 Urine Fading of tropaeolin 00 in the titration of organic acids in -. K. L. McCluskey, 195. Urocarmine reaction. W. R. Fearon and A. C. Thompson 19 1. Uronic Acids and pentoses in tanning extracts ; Determination of -. H. Phillips 826. Urorubine reactions of urine. 191. Uroselectan Colour reaction of -. Urotropine Gravimetric determination of -. Ursolic Acid. C. E. Sando 258. light; Some applications of - . L. Uranium Drop reaction for -. 484. Urorubine reactions of -. 191. 466. M. V. lonescu and C . Bodea 200. V Vanadium Atomic weight of -. 538. in alloy steels and ferrovanadium ; Revision of the new iodimetric determination of -. W. Werz 339. Vegetable oils of pronounced acetyl value ; Charonnat 61. parchment used for packing dairy products : Analysis and composition of -.P. Amp 140 substances ; Determination of silica in -by mixed nitric and perchloric acids. L. Lematte G. Boinot E. Kahane and M. Kahane 686. Vegetation Relation of soil reaction to -. 106. Vinegar Addition of ammonium salts to -. Pyrolysis of - . ID,. De!aby and R. C. A. Mitchell 178. Vinegar-continued. Cider -. 537. Table -. 313. Viscometer Capillary tube - for measuring the viscosity of solutions of cellulose in cuprammonium hydroxide solution. R. W. Kinkead 692. Viscometry Monograph of -. (Review) G. Barr 496. Vitamin Antineuritic -. A. G. Van Veen, 126. antineuritic - ; Isolation of the. -4. Seidell and V. Rirckner 547. content of apples. 532. content of fruits.studies. 111. Vitamin content of fruits. F. V. von Hahn 548. Vitamin A and the antimony chloride reaction. A. Emmerie M. von Eekelen and L. K. Wolff 756. antimony trichloride colour reaction for - : Study of. E. R. Norris and A. E. Church, 197. 111. Effect of concentration of reagent used and the stability of the chromogenic substance to light. E. R. Norris and A. E. Church 126. antimony trichloride test for - ; Critical study of. W. R. Brode and M. A. Magill 546. Association of - with greenness in plant tissue. 111. - content of asparagus grown under light of various qualities. J. W. Crist and M. Dye 410. Characterisation of -. I . Spectroscopic evidence. I . M. Heilbron and R. A. Morton. 11. Biological experiments. B. Ahmad and J. C.Drummond 545. content of oats. C. K. Meyer and R. A. Hetler 470. Converson of carotene into - by fowls. N. S. Capper J. M. W. McKibbin and J. H. Prentice 473. from fish livers. P. Karrer R. Morf and I<. Schopp 824. in butter; Determination of -. G. E. Morgan and K. H. Coward 757. in cod liver oils ; Comparison of tests for -. K. H. Coward F. J. Dyer li. A. Morton and J. H. Gaddum 821. Photographic effects of -. S. Botcharsky and A. Foehringer 547. Primary source of -. 533. reaction for cod liver oil. Specificity in tests for -. F. V. von Hahn 548. 534. New conception of the chromogenic constitutents of fresh and aged liver oils. I. M. Heilbron ,4. E. Gillam and R. A. Morton 823. Spectrographic data concerning - and liver oils. R.A. Morton I. M. Heilbron and A. Thompson 470. Spectrographic data of natural fats and their fatty acids in relation to - A. E. Gillam I. M. Heilbron T. P. Hilditch and R. A. Morton 471. Vitamin B content of milk Influence of the Artificial product sold as grape - (Legal ration of the cow upon -. W. E. Krauss 681. C. H. Hunt and Notes) 660 lii INDEX TO VOLUME LVI. Vitamin B-continued. Effect of nitrous acid upon components of the - complex. H. C. Sherman and M. L. Whitsitt 197 Photographic effects of -. S. Botcharsky and A. Foehringer 547. Toxic effect of fish liver oils and the action of -. E. R. Norris and A. E. Church 125. Vitamin B, Question of the identity of a bacterial growth-promoting factor with -. Studies in -. Concentration from Rice Polishings.I. A. Simpson 698. values of foodstuffs ; Comparative -. Cereals 11 R. H. A. Plimmer W. H. Raymond and J. Lowndes 679. B. C. Guha, 410. content of cereals and the supposed connection between human pellagra and deficiency of -. W. R. Aykroyd 56. Sources of - stability of - and chemis-try of -. B. C. Guha 680. Vitamin C content of milk; Influence of the ration of the cow upon -. C. H. Hunt and W. E. Krauss 681. content of prunes and apricots; Effect of drying and sulphuring on -. A. F. Morgan A. Field and P. F. Nicholls 329. Quantitative method for determining -. K. M. Key and G. K. Elphick 681. 11. R. F. Light G. E. Miller and C. N. Frey 548. Vitamin G Stability of - as measured by its growth-stimulating effect. N. B. Guerrant and W.D. Salmon 126. Vitamins of cod lix-er oil. Vitamins The -. 2nd Ed. (Review) H. C. of olive oil and the effect of refining G. The -. E. Browning 698. J. G. Davis and J. Golding 56. Vitamin B, Chemistry of -. Vitamin D Effects of overdosage of -. in cod liver oil 458. Toxicity of -. J. B. Duguid 266. 533. Sherman and S. L. Smith 491. Eertrand 56. W Warenkunde Pratikum der -. E. Grun-Warranty defence. 741. Wasserstoffionen Konzentration ; Bestimmung und Bedeutung der - in der Gerberei. (Review) H. Machon 844. Water added to milk ; Diphenylamine test for nitrates in milk as a means of detecting. D. R. Wood E. T. Illing and A. E. Fletcher, 248. added to milk ; Nitrate test for detecting -. G. W. Monier-Williams 397. analysis Abstracts 766.analysis; Carbonate number in -. 0. Mayer 766. Bacteriology; Elements of -. 5th Ed. (Review). S. C. Prescott and C. A. Winslow. steidl 624. Water-continued. Corrosive properties of Haifa -. drinking- ; Determination of nitrates in -. W. Mulder 766. Examination of -. A. Splittberger and E. Nolte. 624. Free and bound - determinations by the heat of fusion of ice method. W. Robinson, 676. in fogs ; Determination of -. 662. in glycerin; Determination of -. L. F. Hoyt and P. C. Clark 270. in tomatoes and preserved tomatoes ; Com-position and determination of -. A. Leonhard 115. in vegetable-tanned leather ; Determination of -. R. F. Innes and J. G. M. Coste, 335. Inter-relationships of plankton and bacteria in natural purification of polluted -. C. T. Butterfield and W. C. Purdy 330. permeability of leather. R. S. Edwards 828. pipes ; Corrosion of -. 182. Pollution Research Board Report for the year Sea -. See Sea-Water. softening ; Zeolite process of -. 107; Waters Medicinal- ; International Register of Spas and -. 745 776. Mineral -. See Mineral Waters. of Egypt. A. Azadian. Vol. I. 282. Vols. XI1 and XIII. 698. Wax in shellac ; Determination of -. A. G. Stillwell 62. Whale Oils New Zealand -. Wheat bran; Analyses of -. 536. 34. ended 30th June 1930. 107. 182. germs; Essential oils from -. 257. grain ; Colorimetric micro-reactions of the glutogenic protides and cellulosic gels of the -. P. BruBre 66. preparations ; Analyses of -. 536. Whiskey Extractives of -. W. Partridge, 177. Wight Isle of Appointment of Public Analyst for County of -. 105. Wine Adulteration of sweet - and its detection by determination of the lower fatty acids (butyric acid). A. Miermeister and F. Battay 404. 2:3-butyleneglycol in - and fruit -Origin occurrence and detection of. J: Pritzker and R. Jungkunz 258. Detection of fruit - in grape - by the sorbitol method. M. Klostermann and W. Fachmann 405. Orange and quinine -sold without a licence. (Legal Notes) 601. Wines Acidity of red - determined by means of fluorescent indicators. Y . Volmar and S. M. Clavera 540. Non-alcoholic British -. 600. sweet- ; Detection of bilberry juice by means of Pfahl's reaction modified for -. R. Ofner 672. . Wire Spectroscopic identification of telephone 347. ' . -. 667 INDEX m VOLUME LVI. liii Wood preservatives ; Testing of -. 127. Woods durability of Philippine - against fungi; Laboratory tests on the. 0. A. Reinking 474. Wools Study of Hairs and -. (Review) J. Glaister 696. Wrightia Annamensis oil an oil resembling castor oil. M. L. Margaillan 260. X Xanthate reagent for copper in organic matter. Xylene mixtures ; Determination of m-xylene in 684. -. H. P. Reichel 828. Y Yarns :. Chemical properties of some commercial rayon -. B. P. Ridge H. L. Parsons and M. Corner 270. Deter-mination of. D. A. Derrett-Smith 131. Yeast Fermentation of sugar mixtures by Sauterne -. H. Sabotka and M. Reiner, 267. starch in finished goods and - . Yeasts Alcoholic fermentation of mixtures of glucose and fructose by brewer’s and Sauterne -. R. H. Hopkins 463. found in fermenting honey. G. E. Marvin, W. H. Peterson E. R. Fred and H. I;. Wilson 760. Utilisation of Bacteria Molds and - in Industrial Processes. (Review). H. F. Smyth and W. L. Obold 423. Z Zeolite process of water softening. Zinc drop reaction for -. 107 484. Gravimetric determination of -. J. Dick, 203. in cadmium ; Determination of -. A. R. Powell 479. in presence of lead salts ; Determination of small amounts of -. Microchemical spot test. for - using dithizon 209. Determination of - by means of selenious S. G. Simpson and W. C. Schumb, Specific test €or -. F. Feigl P. Kruniholz Tests for -. M. E. Stas 204. Zirconium Atomic weight of -. 538. acid. 337. and E. Rajmann 615. F. Pavelka 209 PRINTED BY W. HEFFER & SONS LTD., CAMBRIDGE ENGLAND