INDEX OF SUBJECTS.ATP. See Adenosine triphosphate.Absorptiometer, Hilger photo-electric, 274.Absorption coefficients, measurement of,Acetaldehyde, spectrum of, far ultra-Acetamide, fluoro-derivatives, 11 5.Acetic acid, chlorodifluoro-, and difluoro-,286.violet, 44.117.trifluoro-, preparation of, 109, 116.Acetoacetic acid, trifluoro-, ethyl ester,Acetofluoro-sugars, 109.Acetone, fluorination of, 88.Acetone, trifluoro-, 117.Acetophenone, fluorination of, 97.Acetophenone, o-difluoro-, 97.trifluoro-, 11 7.Acetyl chloride, trifluoro-, 11 7.Acetyl value, 290.Acetylacetone, tri- and hem-fluoro-, 117.Acetylation in steroids, 173.N-Acetyl-DL-di-iodotyrosylglutamic acid,Acetylene, catalytic polymerisation of, 120.spectrum of, vacuum ultra-violet, 35.Acetylenes, hydrogen fluoride addition to,N-Acetyl-DL-thyroxylglutamic acid, 250.y - Acid.See %Naphthol- 6-sulphonic acid,2-amino-.Acids, fatty, and their esters, detn. of, 293.identification of, as hydrazides andureides, 293.metabolism of, 238.separation of, 295.spectra of, ultra-violet, 44.hydrogen overpotential in, 24.44.irradiation, 68.117.260.104.Acraldehyde, spectrum of, far ultra-violet,Acrylonitrile, polymerisation, initiated byActinium-K, 5 1.Actinons, 56, 59.Acyl fluorides from acid anhydrides, 98.Adenine, biosynthesis of, 258.Adenosine triphosphate, phosphorylationof sugars with, 219.Adipic acid, peduoro-, 119.Adiponitrile, pet-fluoro-, reduction of, 119.Adrenaline, effect of, on sugar phosphoryl-Atio- 5-aZZocholanic acids, 189.Alanine, pyridoxine synthesis from, 236.Alcaptonuria, amino-acid catabolism in,Aldehydes, detn.of, 282.Alkaline-earth tungstates, X-ray detectionation, 219.254.of, 279.Alkaloids, effect of, on hydrogen over-opium, X-ray detection of, 277, 279.,41kyl phosphates, detn. of, 301.Alloys, microradiography of, 286.X-ray analysis of, 283, 285.by powder diffraction, 278.~ - A l l u l ~ ~ e , 220.D-Altroheptulose, 220.Aluminium alkyls, dimeric structure of,potential, 25.55.alloys, 277.borohydride, 54.hydride, 55.number, 293.Americium, 59.Americium hydroxide, 59.Amide value, 293.Amines, enzymes producing, from amino-Amino-acids, decarboxylation of, byacids, 240.bacterial enzymes, 240.catalysts, 68.of, 300.synthesis of, by bacteria, 242.spectrum of, ultra-violet, 48.Ammonia, oxidation of, on platinumAmmonium compounds, quaternary, detn.Amylopectins, 222, 223.sources of, 223.Amylose in starch, 222.synthesis of, 217.Anaemia due to pyridoxine deficiency, 237.a- and B-pyracins in prevention of, 245.Analysis, 264.biological, dose metameter in, 270.errors in, 273.microbiological, procedure in, 272.probit, 272.X-ray, 276.by powder diffraction, 276.microradiographic, 286.qualitative, 276.quantitative, 28 1.spectroscopic, 284.replication in, 268.spectrochemical, of cations, 273.Androsterone, mol.rotation of, 180.Aniline, spectrum of, far ultra-violet, 40.Anodes, iridium, palladium, and platinumelectrodeposition of azides on, 30.platinum, electrodeposition of oxygenon, 29.Anthocyanins, synthesis of, in flowers, 254.Anthracene, hydrogenation of, 84, 130.Anthrapinacol, 142.Anthrone, Clemmensen reduction of, 142.Antimony fluorides, as fliiorinating agen t,s,100.31316 INDEX OF SUBJECTS.Antithyroid drugs, 245..4poenzymes from deca.rboxylases, 240.Apple rootstocks, haematin in, 230.IA-Arabinose, condensation of, witha-glucose- 1 -phosphate, 220.Arachis oil, detn.in, of squulene, 290.Argemone oil, detection of, in mustard oil,Arginine, biosynthesis of, 258, 261.~--4rginine, decarbosylation of, I )y~-Arginine decarboxylase, 240.Aromadendrene, structure of, 165.Aromatic compounds, 120.Arsenic, solubility of, in copper and silver,vapour, X-ray analysis of productsArsenious acid, oxidation of, by iodine, 80.Artemisia ketone, 84, 146.Aryl fluorides, preparation of, 107.Aspartic-alanine transaminase, 244.Aspergillus funaigatus mut.helvola, 176.Aspergillus oryzoe, amylase from, 224.Astatine, 51.Atomic weights, 51, 52.Autoxidation, ozone in, 64.Azides, electrodeposition of, on iridium,Azide ions, electrodeposition of, 5.Azulenes, 85, 162.assay of, 252.detn. of, 296.292.enzymes, 240.284.from, 280.palladium, and platinum anodes, 30.radical, 69.Bacteria, mutation in, 259.Bacteriophage, miitants resistant to, 262.Barium silicate, 277.Barley roots, polysaccharide from, 222.Bauxite ores, X-ray analysis of, 280.Beans, broad, leares, haemochromogens in,Beetroots, sugar, haernatin in, 230.Renzaldehyde, Cannizzaro reaction with,232.142.spectrum of, far ultra-violet, 44.Benzaldehyde, 2-chloro-, reduction of, 143.1 : 2-Benzanthrene, synthesis of, 138.Benzene, derivatives, ozonolysis of, 127.fluorination of, 93.spectrum of, far ultra-violet, and of it4Benzene, chloro-, and fluoro-, spectra of,derivatives, 39, 40.far ultra-violet, 40.hezuchloro-, fluorination of, 88, 101.perfluoro-, 101.iodo-, difluoride, as fluorination agent,107.Renzenediazocyanide, 4-bromo-, and2 : 4 : Wribromo-, vibration spectraof, 136.ethyl sucoinate, 137.sen rediictiori of, 142.Benzoic acid, fluorination of, 102.Benzophenone, condensation of, withBenzophenone, 4 : 4’-dichloro-, Clemmen-13enzopin a ~ o l , /druchl or0 - ~ 1 18.Benzotrifluoride, 99.Renzoyl peroxide, detn. of, in hits andBenzoylmalonic acid, ethyl ester, catalyticBenzyl fluoride, 107.Benzylidene difluoride, catalytic hydro-genation of, 110.(4 )-7-Benzylmarrianolic acid, 191.Benzyltrimethylammoninm fluorido, de-composition of, 107.Herthonite, identity of, with bournonite,279.Beryllium borohydride, 54.Betabacteriunt vermifornae’, dextran forni-Betacoccus arabinosus, dextran formationBile acids, side-chain degradation of, 184.Biological tissues, microradiography of,Biotin, biosynthesis of, 259.Bisdehydrodoisynolic acids, 180, 194, 197,catalytic hydrogenation of, 110.oils, 291.reduction of, 143.ation by, 221.by, 221.steroid synthesis from, 85.287.206.estrus threshold values for, 201.a-Bisdehydrodoisynolic acid, 86, 191.Risdehydromarrianolic acid, oestriis thrcs-Bisdehydromarrianolic acids, 197.($-)-Bisdehydromarrianolic acid, 193.Bisdehydro-estrolic acid, and its lac.tone,Bistrifluoromethylbenzenes, 99.2 : 4-Bistrifluoromethylbenzene, I -chloro-.Bistrifluoromethylpyridines, 99.Bleaching powder, constitution of, 280.Blue acid, decomposition of, 68.Boksputite, X-ray analysis of, 279.Bond strength in relation to polarity, 46.Borazole, ultra-violet absorption spectriimBoron, at.wt. of, 52.Roulangerite, lead thiomtimonates in, -380.Brancium, 51.Brassicasterol, 175.Hromination of fluorinated compoiinds,Bromine cation, 79.Bromine, reaction of, with hydrogen per-oxide, 79.Bromine trifliioride as fluorinating agent,100, 101.Bronze, detn.in, of sulphur, X-rayRiicherer reaction, 84. 138.Butadiene, spectrum of, far ultra-violet,, 37.Biitadiene, perfluoro-, 114.Riitane, l-chloro-2 : Tdifluoro-, chlorin-hold value for, 201.1 84.fluorination of, 92.and structure of, 42.114.analysis of residues from, 280.ation of, 112.2 : 2-difluoro-, chlorination of, 112.2 : 2-di- and 1 : 1 : 1-fri-fluoro-, chlorin-ation of, 1 1 1INDEX OF BTTBJECTS. 31 7cycZoButene, perfluoro-, 116,trum-But-2-ene, spectrum of, far ultra-teri. -Butylbenzene, spectrum of, nearButyric acid, afi-difluoro-, 97.Cadalene, synthesis of, 138, 153.Cadalene, 5-hydroxy-, 167.Cadinene, structure of, 151.Citdinene hydrocarbons, 81.Cadinol, 152.Calciferol, isomerisation of, 175.(’alciferol, iodo-, 178.Calcite, X-ray analysis of, 278.Chlcinm, at.wt. of, 52.Calcium oxide. detn. of, in magnesiumviolet, 33.ultra-violet, 41.detn. of, in tissues, 287.oxide, 282.phosphates, purity of, 279.stereoscopic, for X-ray microradio-Calmeon, 153.Cameras, X-ray, 281.Cannizzaro reaction, 84, 141.Carbides, equilibria of mixtures of, 284.Carbonyl compounds, catalytic reductionof, 143.ionisation potentials and ultra-violetabsorpt.ion spectra of, 44.Carboxyl groups, reduction of, 189.Carcinogenics, hydrocarbon, mutation in-duced by, 262.Caryophyllene, structure of, 85.C‘aryophyllenes, structure of, 156.Caryophyllene oxide, 156.Caryophyllenic acid, structure of, 158.Casein, incubation of, with iodine, 250.Catalase in chloroplasts, 233.yeast, 229.Catalysts, iron oxide and nickel, X-raynickel-mol ybdenuxn and nickel-tungsten ,Catalytic reduction, 142, 143.Cathodes, iron, hydrogen overpotential on.nickel, hydrogen overpotential on, -38,palladium, hydrogen overpotential on,tliallium, hydrogen overpotential on, 28.Cedtwwood oil, American red.See Jrrn iper( ‘edrene, striicture and properties of, 158,a- and p-Cedrenes, 159.( ledrenedicasboxylic acid, 159.Cedrenene, 160.Cedrenol, 160.(ledrenone, 159.(Jedrtss atlantica, leaf oil of, 153.(~ellulose, diffraction data for, 277.Cellulose felrafluoroethyl ether, 116.Ceric ions, effect of irradiation on, 67.Ceriiim tptrafliioride, fluorination with, 91.graphy, 286.analysis of, 279.X-ray analysis of, 280.28.30.28.virginiuna.161.(‘\uLlcedony, X-ray analysis of, 279.Chalinasterol, 175.Chamosite, 277.Charcoal surfaces, adsorption at, 14.Cheilosis, treatment of, with pyridoxine,Chlorofluoro-hydrocarbons, preparation of,Chloroplasts, 233.Chloroprene, spectrum of, far 1111 rti-violet, 37.5-aZZoCholanic acid, 188.degradation of, 185.5-aZZoCholanic acid, 3(fl)-hydrouy-, rle-gradation of, 185.Choleglobin, 234.i-Cholest-6-ene, 173.Cholest-4-en-S-one, 85.Cholesterol, ( f )-cestrone synthesis from.237.106.reactivity of chlorine in, 11 3.177.fl-orientation oi hydroxyl in, 171.oxidation of, by chromium trioxide, 171.structure of, 85.Cholesteryl acetate, brominrttion of, 174.i-Cholesteryl acetate, 173.Cholic acid, pregnan-20-one from, 185.Choline, biosynthesis of, 258.Chromatography in fat analysis, 295.Chromic acid, oxidation by, in solution, 77.Citrals, 144.Clays, X-ray analysis of, 280.Clemmensen reduction, 142.Clionasterol, 175.Clove oil, caryophyllene oxide from, 166.Cobalt, detn.of, 285.Cobalt alloys with mercury, X-ray analysisof, 279.carbide, 277.trifluoride, fluorination with, 90.Cobaltic ions, oxygen formation by, i npresence of water, 67.Codecarboxylase, interconversion of, withpyridoxine derivatives, 242.Codecarboxylase activity, testing for, 240.Colorimeter, Duboscq-type, 274.Columbium hydrazides, 277.Copaene, structure of, 152.Copper, K , radiation from, 281.germanium, 284.Copper alloys, 277.Coproporphyrin, synthesis of, by yeiist,232.Corrosion, 50.Cosmetics, detn.of monostearate in, 296.(lottonseed oil, detn. in, of gossypol, 296.(‘reams, sunburn, detn. of monosteamte in,(:resols, trifluoro-, stability of, 1 12.C’ristobalites in opal, 279.Crotonaldehyde, far ultra-violet spwtriitnCrystallisation, fractional, 295.Cirrc/rt)?a nronmticn, oil from. 1.50.solubility in, of arsenic, gallium ant1with nickel, X-ray analysis of, 282.296.of, 44318 TNDEX OF SUBJEOTS.Curcuma longa, oil from, 151.Curcumene, 150.a-Curcumene, synthesis of, 150.I - U - and -/?-Curcumenes, 160.Curium, 59.Cyanogen halides, spectra of, vacuumultra-violet, 35.Cyclodehydrogenation, 124.Cymenesulphonic acid, sodium salt, ashydrotropic agent in Cannizzaro re-action, 142.Cytochrome b,, 228.Cytochrome c in yeast, 228.Cytochrome c peroxidase, 229.Cytochrome f, 233.Cytochromes in plants, 23 1.in tissues, 226.nomenclature of, 23 5.yeast, 227.DDT, diffraction data for, 277.Aa -Decahydropyrene, 133.Decarboxylases, amino-acid, 240.inhibition of, by keto-fixatives, 240.Dehydronorcedrenedicarboxylic acid, 1 60.Delafossite, 277.Demjanov rearrangement, 164.7-Deoxybisdehydrodoi~yn0lic acid, 2 10.Deoxycholic acid, and its methyl ester,degradation of, 185.preparation of, and separation fromcholic acid, 188.11 -Deoxycorticosterone acetate and 2 1 -methyl ether, 187.17-Deoxyoestrone, 180.Deoxypyridoxine, 246.Detergency comparator, 298.Detergents, detn.in, of organic sulphates,tests, 297.299.dish-washing, evaluation of, 298.solubilisation of dyes by, 298.Deuteracetone, spectrum of, far ultra-Deuterium, electrodeposition and adsorp-Deuterium peroxide, Raman spectrum of,N-Deuteropyrrole, ultra-violet spectrumDextrans, bacterial, 221.Diacetylene, vacuum ultra-violet spectrumDiazocyanides, structure of, 84, 134.Diazoethane, trifluoro-, 118.Diazonium borofluorides, decomposition of,Diazosulphonates, isomerism of, 136.Uihenzanthracene, mutation induced by,1 : 2 : 6 : 6-Dibenzanthracene, bondlengthsDiborane, spectra of, 48, 53.violet, 44.tion of, 27.76.of, 38.synthesis of, 217.of, 35.107.263.in, 84.structure of, 126.structure of, 52.a-Dicazbonyl compounds, detn.of, 292.Dichlorine heptoxide, structure of, 78.Diene value, 289.Diethylbenzenes, fluoro-derivatives, 99.a/3-Diethylstilbenecarboxylic acids, 2 15.Diethylstilbaestrol, estrus threshold valueDiffusion in electrolysis, 30.Difluoro-acids, 119.Diginane, 190.Diginigenin, 190.Diglycerides, 296.Dihydroequilin, 181.Dihydroeremophilone, hydroxy-, struct lireDihydroguaiene, 167.Dihydroguaiols, 167.Dihydropyrene, structure of, 132.Dihydro -6 - vetivol, 1 6 9.7 : 12-Diketocholanic acid, 3-iodo-, asopaque substance for gall-bladderX-ray diagnosis, 189.Dimethylaminodihydrocaryophyllene,oxidation of, 157.5 -Dimethylaminonaphthalene- 1 -sulphonicacid, kinetics of hydrolysis of, 140.1 : 4-l>imethylazulene, 167./3y-Dimethylbutadiene, spectrum of, farultra-violet, 37.Dimethyldiacetylene, spectrum of, vacuumultra-violet, 36.Dimethyldiborane, 55.1 : 2 : 4 : 5-Dimethylenecyclohexa-2 : 5-Dimethylethylallenolic acid, 86, 204, 21 6.Dimethylgallium borohydride, 55.1 : 3-DimethylcycZohexane, perfluoro-, 91.1 : 2-DimethylcycZohexylacetic acid, 155.Dimethylnaphthalenes, ozonolysis pro-2 : 3-Dimethylnaphthalene, ozonisation of,1 : 4-Dimethylphenanthrene, synthesis of,1 : 4-Dimethyl-7-isopropylazulene, 156,aa-Dimethyltricarballylic acid, 161.Dinitrogen tetroxide, hydrolysis of, 76.Diphenyl ether, fluorination of, 94.yy-Diphenylbutyrolactone, 137.24 : 24-Diphenylchola-20 : 23-diene,bromination of, 186.24 : 24-Diphenyl-5-aZZochol-23-ene, 22-bromo- 3(/?) -hydroxy-, 3( 8) - acety 1 tle-rivative, oxidation of, 188.Diphenylenephenanthrone, 142.1 : l-Diphenylethane, 1 : 2-difluoro-, 97.Diphenylmethane, 4 : 4’-diamino-, goitro-genic activity of, 247.Diphenylsulphone-NN’-didextrose, pp’-diamino-, sodium sdphonate. SeePromin.for, 201.detn.of, in hydrogenated oils, 290.of, 154.diene, 123.ducts from, 129.83.138.168.2 : 2-Diphenylvinylacetic acid, 138.Dispersing agents, evaluation of, 298.Distillation of fatty acids and esters, 295INDEX OF SUBJEUTS. 31 9Divinylacetylene, spectrum of, far ultra-violet, 37.o-Divinylbenzene, relation of, to naphth-alene, 124.Dodecyl alcohol, detn. of, 301.Dodecyl sulphate, detn.of, 299.Doisynolic acid, 19 1.estrus threshold value for, 201.structure of, 85.( +)-Doisynolic acid, estrogenic action of,Dose metameter, 270.Drosophila, mutation induced in, 260.Drosophila melamqwter, mutation in,Drugs, anti-thyroid, 247.resistance to, mechanism of, 262.Dyes, detn. of strength of solutions of,solubilisation of, by detergents and193.254.assay of, 252.274.soaps, 298.Earths, rare, 56.Eleostearic acids, det". of, in tung oil, 294.Elder leaves, hsmochromogen from, 233.Electric current, alternating, use of, inelectrode processes, 6, 9.Electrode processes, kinetics of, 5.Electrodes, amalgam, deposition of metal-lic ions at, 10.capacity measurements of, 16.convective diffusion at, 31.differential capacity of, 13.lead, hydrogen overpotential on, 27.mercury, 7.platinum, 9.hydrogen deposition at, 23.overpotential decay at, 11.hydrogen deposition at, 26.hydrogen or oxygen deposition on, 11,hydrogen overpotential at, 29.Electrolytes, adsorbed, on surfaces, 17.Electrolytic double layer, 12.Electroplating, X-ray analysis in, 281.Element 61, 57.Elements, new, naming of, 50.rare, X-ray analysis of, 284, 285.Enamels, titanium, X-ray analysis of,281.Enzymes, producing ainines from amino-acids, 240.respiratory, effect of yeast extracts onaction of, 229.Ephestia kuhniella, eyes, brown pigmentin, 255.Epihydrinaldehyde acetals, Kreis test for,291.Equation, Lippman, for polarisable elec-trodes, 13.a- and p-Equilenanes, 183.Equileqin, and its isomers, structure andsynthesis of, 182.(+ )-Equilenin, structure of, 180.Equilenins, structure of, 197.synthesis of, 86.Equilibrium potential in relation tohydrogen adsorbed, 9.Equilin, structure of, 180.Eremophila mitchelli, ketones from, 154.Eremophilone, structure of, 85, 154.Eremophilone, hydroxy-, structure of, 154.Ergosterol, and its derivatives, 175.neoErgostero1, 175.Ergothioneine, anti-thyroid action of,Escherichia coli, mutants of, bacterio-254.phage-resistant, 262.mutation induced in, 260.tryptophan decomposition by, 258.Ethane, fluorination of, 89, 97.Ethane, pentachloro-, fluorination of, 104.hexachloro-, fluorination of, 88.1 : l-dichloro-2 : 2-difluoro-, reaction of,with phenylmagnesium bromide, 1 12.s-tetrachlorodifluoro-, 88.1 : 2-difluoro-, instability of, 109.2 : 2-difluoro-, 106.difluoro-, 109.iodide, fluoro-, 107.sulphides, 2-chloro-, mutation inducedEthanol. See Ethyl alcohol.Ethyl alcohol, mono- and hi-fluoro-, 118.Ethyl chloride, fluorination of, 88.by, 260.Ethylamine, trifluoro-, 117.structure of, 118.Ethylamines, 2-chloro-, mutation inducedby, 260.Ethylbenzene, spectrum of, near ultra-violet, 41.Ethylene, spectrum of, far ultra-violet, 33.Ethylene, trans-dz'bromo -, -dichloro -, and-diiodo-, heights of triplet states for,35.tetrafluoro-, 114.halogeno-derivatives, spectra of,vacuum ultra-violet, 42.Eudalene, synthesis of, 154.Eudesmol, structure of, 153.Euonymus, leaves, haemochromogen in,Explosives, diffraction data for, 277.Fats, analysis of, 287, 293.chromatographic, 295.colour of, detn.of, 293.deterioration of, 290.detn. in, of monoglycerides, 296.of peroxides, 290.of phosphatides, 296.edible, detn. in, of saturat(ed glycerides,295.iodine value of, 288.m. p. of, 293.oxygen absorption of, 291.saponification of, 289.232.Fatty materials, detn. of oxirane oxygenFenton's reagent, 67.Ferrous salts, reaction of, with hydrogenperoxide, 65.in, 289320 INDEX O F SUBJECTS.Ferula pyra?ti&tn, shairol from, 168.Fig trees, peroxidase in sap of, 230.Fluoranthene, synthesis of, 125.Ihorene, 142.Fluorenone, Clemmensen reduction of, 142.Fluorescence, quenching of, 69.Fluorides, inorganic, as fluorinating agents,l’luorinated compounds, partly-, pro-1-’luorinating agents, 98, 100.I*’luorination of hydrocarbons, 82, S7.l’luorine, at.wt. of, 52.synthesis of, 125.by molecular oxygen, 64.98.perties of, 108.vapour-phase, 88.handling of, 87.supply of, 86.Fluorine organic compounds, 86, 96.Fluorocarbons, 82, 87.properties of, 94.Fluoroform, 11 7.Fluoronitriles, 11 8.Fluoro-olehs, 114.Food problems, application of statistics to,9-Formylanthracene, reduction of, 143.4-l~’ormyl-2-methyl-5-hydroxymethyl-pyridine, 3-hydroxy-, 339.Frohbergite, 277.Fructose, phosphorylation of, 219.Fruit juices, detn. in, of, quaternaryFliran, spectrum of, vacuum nltra-violet,Furfuraldehyde, spectrum of, far ultra -properties of, 115.265.ammonium compounds, 300.38.violet, 44.Gallium, solubility of, in copper and silver,Gallium hydride, 55.Gases, spectra of, absorption, 48.Gastropods, sterol content of, 175.Germanium, solubility of, in copper andsilver, 284.Ginger oil, African, 162.Glaucodot, 277.Glucose, phosphorylation of, 219.separation of, from fructose, 222.C:lucose-6 phosphate from ribose- 1 phos-a-Glucose-1 phosphate, action of plant284.phate, 220.phosphorylases on, 223.%a-D-Glucosido-L-arabinose, 220.1,-Qlutamic acid, decarboxylation of, 1)y12-Clntamic acid decarboxylase, 240.C lilt amic-aspartic transaminase, pyriclosa 1phosphate as coenzyme of, 242.condensation of, with L-arabinose, 220.enzymes, 240.resolution of, 243.C:lutaric acid, perfiuoro-, 119.Glyceryl monostearate, constitiientfi of.Glycine, hiospnthesis of, 261.and its detn., 296.Cilycogen, 2%.Glycosides, cardiac, structure of, 85.alloGlycosides, structure of, 85.Glycosidic derivatives, natural, enzymicGlyoxal, spectrum of, far ultra-violet, 44.Goitres, toxic, proteolytic activity of, 253,Goitrogenic agents, 247.Gossypol, detn.of, in cottonseed oiI, 296.Grasses, levan in, 222.Grignard reagents, action of, on cliiwn-cyanides, 134.Guaiazulene, structure of, 85.Guaiol, structure of, 85, 167.Guanine, biosynthesis of, 261.Guanosine, synthesis of, 217, 320.Hzmatins in plants, 226, 230.Haemochromogens in leaves, 232.Haemoglobin, root-nodule, 334.HEmoproteins, 226.Halogen ions, complexes of, with cations,Hansa-yellow YT-445D, 298.Heat of activation in electrode reactions,Heazlewoodite, 27 7.n-Heptane, perfluoro-, 82, 89.Heptanes, chlorofliioro-, fluorination of,Hercynite, 277.Heterocyclic compounds, fluoro-, 93.wHexadecane, fluorination of, 97.Hexadecyl sulphides, 277.cjjcZoHexadiene, spectrum of, vacuiims- and as-Hexahydropyrenes, striictrire of,c!/cZoHexane, fluorination of, 97.cycloHexane, perfluoro-, 82, 89.crystallography of, 96.Hexatriene, spectrum of, far ultra-violet,37.(XycZoHexene, 1 : 2-dichloroperfluoro-, 200.Hexokinases, catalysis of sugar phos-phosphorylation with, inhibition of, 2 19.cycloHexy1 ether, peifluoro-, 04.1,- Histidine, decarboxylation of, hyenzymes, 340.Hofer-Moest reaction, eqiiil i hrir in1potential of, 5 .D-Homoandrost-4-ene-3 : 17a-dione, 189.Homocadalene, 84.D-Homotestosterone, synthesis of, 189.Horse-radish roots, hzcmatins in, 2.30.Hutchinsonite, 277.Hydrindanones, substituted, addition ofdiazomethane to, 165.tJydrindanylmethylizmines, substitute(\,llemjanov rearrangement of, 164.Hytlroborons, structure of, 63.Hydrocarbons, aromatic non-benzenoirl,127.c*nrcinogenic, rniit8ation induced hp, 932.syntheses of, 217.yeast, 227.71.23.101.ultra-violet, 38.132.phorylation by, 219INDEX OF SUBJECTS.32 1Hydrogen, adsorption of, 011 metals, 21.atoms, bond energy of, 64.electrodeposition of, from aqueous solu-on mercury and platinum, 5, 7, 9.overpotential, 5.a t high current densities, 28.in acids, 24.in alkalis, 25.i n non-aqueous solvents, 30.on iron cathodes, 28.on lead cathodes, 27.on nickel cathodes, 28, 30.on palladium cathodes, 28.on platinum cathodes, 26, 29.on thallium cathodes, 28.theories of, 18.with oxygen, 65.tions, 23.reaction of, with nitric oxide, 68, 69.solubility of, in palladium, 284.Hydrogen-addition value, 293.Hydrogen cyanide, spectrum of, vacuumfluoride, addition of, to unsaturatedproside, photochemical and thermalultra-violet, 35.hydrocarbons, 104.reactions of, 63.reaction of, with bromine, 79.with ferrous salts, 65.state of, in solution, 76.violet, 48.violet, 48.selenide, spectrum of, vacuum ultra-t,elluride, spectrum of, vacuum ultra-Hydrophenanthryl-l-acetic acids, 191.Hydroxyl radical, 65.a-Hyodeoxycholic acid, degradation of,Hypobromic acid in solutions, 79.Hypoiodous acid in solutions, 79.Tgepon T, analysis of, 299.Illinium, 57.Indane, structure of, 126.Indaiies, substituted, addition of ethyldiazoacetate to, 163.Indium hydride, 55.Infra-red absorption with diazocyanides,Inorganic reactions, intermediate com-Xnosine, synthesis of, 217, 220.Insulin, effect of, on sugar phosphorylation,Zodic acid, ions in solutions of, 78.Iodicle ions, retlction of, with IiydrogeiiI odination in benzene nucleus, agent for, 80.Iodine, concentration of, by thyroid, 248.detn. of, in thyroid, 252.treatment with, in thyrotoxicosis, 253.Iodine pentufluoride as fluorinating agent,perchlorate, YO.Iodine cation, 79.value, 287.185.135.pounds in, 60.218.peroxide, 76.100.Ionisation poteiitials and ultra-violetspectra, 37.molecular, 32.of carbonyl compouiids, 44.$-Ionone, cyclisation of, 150.Ionones, 144.Ions from cation-anion complexes.7 1.Irene, structure of, 146.Iron alloys, detn. in, of titaniion nitride,with mercury, X-ray analysis of,cathodes, hydrogen overpotential 011,25.lron chlorides, ionic coinpleses of, i i isolution, 72.Jron ores, lY-ray analysis of, 280.titaniferous, X-ray analysis of, 279.hone, structure and synthesis of, 84, 146.a-Irone, synthesis of, 148.a-, /3-? and y-Irones, odour of, 148.Irradiation, reactions initiated hy, 67,Isomorphous substances, diffraction M I -Isoprene, spectrum of, far ultra-violet,Isotopes, concentration and separation of,Juniper virginiana, oil from, 159.3-Ketocholesta-1 : 4-diene, preparationKetones, aliphatic, spectra of, ultra-violet,ijromtttic, Clemmensen reduction of,tletn.of, 282.from reaction of oxy-acids with hydrogenions, 72.282.279.68.alysis of, 278.37.60.and isomerisation of, 178.44.142.9-Keto-as-octahydroanthracenes, 13 1 .1 -Keto-3-phenylindene-2-acetic acid, 1 J 7.1 l-Ketoprogesterone, 187.Ketosteroids, bromination of, 186.Kinetics of electrode processes, 5.Kok-saghyz plants, rubber content ofKolbe reaction, equilibrium potential of,Kynurenine, 355.Lactarazulene, 169.Lactarius deliciosus, lnutaroviolin from,I,actaroviolin, 169.1,actic dehydrogeiiasa of yeast, lianiatiiiLanthanons, 56.Lanthanum, preparation of, 56.Lard, adulteration of, 292.detn. in, of tristearin, 292.rancidity in, 292.Launderometer, 298.Lavrtndulol, 84, 144.Z-Lavandulol, 144.boLavtmdulo1, structure of, 146.roots of, 230.5.169.compound with, 228322 INDEX OF SUBJECJTS.Lavender oil, French, terpenes from, 144.Lead cathodes.See Lead electrodes.electrodes, hydrogen overpotential oil,Lead halides, spectra of, in dilute solution,lavandulol from, 84.27.71.oxide, 277.silicates, 277.Leaves, chloroplasts from, 233.haematin compounds in, 232.Lecithin, analysis of, 296.Ledene, 156.Ledol, 156.Legumes, nitrogen-fixing, red pigment inLemon oil, Javanese, 152.Leuconostoc dextranicune and mesen-Levans, bacterial, 221.synthesis of, 217.Levan-sucrase, 222.Light, inactivation by, of pyridoxineLignites, X-ray analysis of, 280.Linolenic acid, detn.of, in fats, 294.Lipids, analysis of, in feeding-stuffs, 296.Lipprnan equation for poIarisabIe elec-trodes, 13.Lithium borohydride, 54.silicate, 277.Lithocholic acid, degradation of, 185.from cholic acid, 188.Lublinite, X-ray analysis of, 278.Lubricating oils, fluorination of, 91.I,umiandrosterone, mol. rottition of, 180.Lumidoisynolic acid, estrus threshold( +)-Lumidoisynolic acid, 196.(+)-Lumimarrianolic acid, 196.Lummatrone, mol. rotation of, 180.Lungs, silicotic, detection of silica in, 280.L-Lysine, decarboxylation of, by enzymes,L-Lysine decarboxylase, 240.Magnesium oxide, detn.in, of calciumMaize starch. See under Starch.Maleic anhydride, adducts of caryo-Manganese trifluoride, fluorination with,Xanganosite, 277.Mannose, phosphorylation of, 219.Marrianolic acid, 85, 191.( +)-Marrianolic acid, estrus thresholdMasurium, 51.Materials, X-ray absorption by, 286.Medicine, pyriaoxine in, 237.Mercuric fluoride, fluorination with, 113.Mercury alloys with cobalt and with iron,root-nodules of, 234.teroides, dextran formation by, 22 1.derivatives, 342.value for, 201.240.oxide, 282.tungstates, 277.phyllene with, 157.91.value for, 201.X-ray analysis of, 279.cathodes. Bee Mercury electrodes.Mercury electrodes, 7.capacity of, IS.hydrogen deposition at, 5, 23.overpotential decay at, 11.violet, 44.Mesityl oxide, spectrum of, far ultra-Mesitylene, nonafluoro-, 99.Metabolism, effect of gene mutation on,fatty acid, pyridoxine relation to, 238.Metals, electrodeposition of, a t amalgamequilibrium of, with fused salts, 50.hydrogen adsorption on, 2 1.microradiography of, 286.potential difference between solutionsand, 14.X-ray analysis of, 285.Metal filings, preparation of, vacuum,apparatus for, 281.surfaces, electrokinetic8 of, 14.Metallic fluorides as fluorination agents, 90.Metallography, X-ray diffraction analysisMethaemoglobin in root nodules, 234.Methane, fluorination of, 88, 97.Methane, chlorodifluoro-, reaction of,Methanesulphonic acid, amino-, sodiumMethionine, biosynthesis of, 258, 261.4-Methylacetophenone, reduction of, 143.Methylacetylene, spectrum of, vacuuniultra-violet, 35.2-Methyl-4-aminomethyl-5-hydroxy-rnethylpyridine, 3-hydroxy-, 239.Nethylazulenes, 165, 166.7-Methylbisdehydrodoisynolic acids, 2 11.estrus threshold values for, 201.5-Methyl-2 : 6-bishydroxymethylpy-imidine, 4-hydroxy-, hydrochloride,246.7-Methyldoisynolic acids, 199, 212.astrus threshold values for, 201.Methyl ~-9-fluorenyl-/3-methyl-n-pmpylketone, 125.Methylcycbhexane, perfluoro-, 83, 91.7-Methyl- 1 : 2-cychhexanobisdehydro -doisynolic acids, 202, 212.2-Methy1-6-hydroxymethylpyrimidine,4-hydroxy-, hydrochloride, 246.6-Methylionone, 147.7 -Methyl -1umidoisynol ic mi ti, ccs trusthreshold value for, 201.l-Methyl-lO-norcholesta- 1 : 3 : 5-trieno,3-hydroxy-, 178.7-Methyl- 1 : 2-cyclopentanobisdehydro -doisynolic acids, 202, 212.O4-Methy1pyridoxine, 246.N-Methylpyrrole, spectrum of, ultra-Micro-organisms, action of, on sucrose, 221.Microradiography, 286.Milk, detection in, of quaternaryMinerals, detn.of, 282.254.electrodes, 10.in, 278.with hexachloropropylene, 106.salt, 139.violet, 38.ammonium compounds, 300INDEX OF SUBJECTS. 323Minerals, diffraction data for, 276.Molasses, cane, D-allulose from, 220.Molecules, electron-deficient, 52.Molybdenum, K , radiation from, 28 1.Monodehydrodoisynolic acids, 2 10.Rlonoglycerides, 296.Rlontbrayite, 277.Montmorillonite, detn. of, 282.Moraxella lwofl, mutation in, 261.Moths, flour.See Ephestia Buhniella.Moulds, mutation in, 256.Muscle, polysaccharide synthesis in, 223.Mustard oil, detection in, of argemone oil,Mutation, biochemical effects of, 254.X-ray analysis of, 284. .detn. of, in fats, 296.892.in bacteria, 259.in moulds, 256.Naphthalene, origin of, in coal tar, 124.Naphthalene, perfluoro-, 82.Naphthalene- 1 -sulphonic mid, 5-amino -,Niyhthionic acid, kinetics of hydrolysis of,Naphthionic acid, sodium salt, action ofNaphthols, conversion of, into naphthyl-8-Naphthol-6-sulphonic acid, 2-amino-,National Brilliant-Blue B.M.A., 300.Nausea, effect of pyridoxine on, 237.Neptunium, 67.Neurospora, mutation in, 265, 260.Neurospora sitophila, microbiologicalassays with, 238.Nickel, detn.of, 285.Nickel alloys with copper, X-ray analysisof, 282.Nickel cathodes, hydrogen overpotentialon, 28, 30.Nicotinic acid, and its amide, for Neuro-spora mutants, 256.structure of, 130.kinetics of hydrolysis of, 140.140.bisulphites on, 84, 140.amines, 139.manufacture of, 139.precursors of, 257.Nitracidium ion, 74.perchlorates, 74.Nitric acid, mixtures of, with sulphuricNitric oxide, react,ion of, with hydrogen,Nitrogen, anodic evolution of, from liquidfixation of, by root-nodules of legumes,Nitrogen pentoxide, Raman spectrum of,Nitronium ion, 74.perchlorate, 75.Nitrosonium perchlorate, 75.Xitrosyl borofluoride, 73.ion, 73.perchlorate, 73.sulphate, 73.acid, 74.68, 69.ammonia, 30.234.75, 76.Nitrous acid, decomposition of, in aqueousNitroxides, 69.n-Nonane, 2 : 2-difluoro-, 106.C-Norbisdehydrodoisyolic acids, 203,2 13.Norcedrenedicarboxylic acid, 159.B-Normonodehydrodoisynolic acid, 204,Nuclear chemistry, 50.Nricleotides, synthesis of, 220.Kiltrition, pyridoxine in, 237.bicycZo[4 : 2 : OIOctane, 7 : 8-dichloro-, and7 : 8-dihydroxy-, 122.cycZoOctatetraene, 83, 120.bicyclo[4 : 2 : OIOcta-2 : 4 : y-triene,isomer of cyctooctatetraene, 122.a-Gktradiol, estrus threshold value for,201.synthesis of, 85, 177.CEstrolic acid, and its derivatives, 183.(-t )-(Estrone, mol.rotation of, 180.mstrus threshold value for, 201.structure of, 85.synthesis of, 170.CEstrus threshold values, 20 1.Oils, analysis of, 287.colour grading of, 293.deterioration of, 290.detn.in, of ash, 292.of peroxides, 290.of tracea of metals, 292.edible, detn. of trisaturated constituentsin, 295.hydrogenated, detn. in, of &glycerides,296.iodine value of, 288.marine, analysis of, 289.oxidation value of, 287.saponification of, 289.sulphated and sulphonated, analysis of,vegetable, detn. in, of tritolyl phosphate,hydrogen fluoride addition to, 104.solutions, 73.213.299.296.Olcfins, fluorine addition to, 106.Oleic acid, detn. of, in fats, 394.Olive oil, detn. in, of squalene, 290.Opal, cristobalites in, 279.Opium alkaloids, diffraction data for, 277.X-ray detection of, 279.Organic compounds, fluorination of, 82.L-Ornithine, decarboxylation of, byL-Ornithine decarboxylase, 240.Orris root, perfume from, 84.Oscillograph, cathode-ray, potciitiitlmeasurements with, 11.Ostrsasterol, 175.Dverpotential, activation, concentratioii,and resistance, 6.decay of, on mercury electrodes, 11.in acids, 24.in alkalis, 26.enzymes, 240.decay of, 10.hydrogen, 5324 INDEX OEOverpotential, hydrogen, on lead elec-trodes, 27.on platinum, 26.theories of, 18.solvents, 30.hydrogen and oxygen, in non-aqueousOvervoltage.See Overpotentid.Oxidases in plants, 232.Oxidation, 50.anodic, hydrogen peroxide theory of, 29.Oxidation value, 287.Oxides, equilibria of mixtures of, 984.Oxy-acids, reaction of, with hydrogenOxygen, electrodeposition of, on platinumions, 72.anodes, 29.molecular, electron affinity of, 64.inhibition of reactions by, 63.reaction of, with potassium, 63.reactions of, in solution, 63.overpotential in non-aqueous solvonts,30.photochemical formation of, 233.reaction of, with hydrogen, 65.reaction of, with potassium hydroxide,spectrum of, absorption, 63.Ozone in autoxidation, 64.63.Ozonolysis of aromatic compounds, 127.Pachnolite, X-ray analysis of, 280.Palladium, solubility of hydrogen in, 284.Palladium cathodes, hydrogen over-Paper, detection of cellulose in, 280.Pelecypods, sterol content of, 175.Pellagra, treatment of cheilosis in, 237.(1-Pelletierine, cyclooctatetraene from, 1 SO.Penicillium mutants, 269.Penicillium notaturn, mutation induced in,cyrZoPentadiene, spectrum of, vacuumqcZoPentene, octachloro-, fluorination of,potential on, 28.260.ultra-violet, 38.101.dichloroperfiuoro-, 100.perfluoro-, 116.Pentoic acid, ochfluoro-, 119.Perchloric acid, ions in solutions of, 77.Perfluoro-acids, 116.Perhydroanthracene, 131.Perhydrophenanthrene, 132.Periodic acid, ions in solutions of, 73.Periplogenin, degradation of, 189.rrlloPeriplogenin, degradation of, 189.l’ermanganates, ions in acid solutions of,Peroxidases, horse-radish, separation of,Peroxide acidium ion, 76.Peroxide value, 290,Petroleum sulphonates, oil-soluble,analysis of, 299.Phenanthrene, hydrogenation of, 132, 484.Phenol, spectrum of, far ultra-violet, 40.77.231.in plants, 230.9 UBJECTG.Phenylalanine, biochemical coii\wsion of,Pheoylalanine, dihydroxy -, oxidation of,2-Phenylazulene, 164.Phenylglyoxylic acid, catalytic reduction1 -Phenyl-2-naph thoic acid, 4 -hydrox y -,Phenylthiourea, goitrogenic effect of, 147.Phosphatides, detn.of, in fats, 296.Phosphors, X-ray analysis of, 280, 282.Phosphorus, detn. of, in tissues, 187.Phosphorylases, muscle and plant, 326.Photometers, 283.Photosynthesis, catalase in, 233.haernatin compounds in, 232.Plant materials, peroxidatic activitj- of, inPlants, cytochromes in, 231.flowering, chlorophyll and iron in, 232.hematins in, 226, 230.oxidase systems in, 232.I’lminodiurn lophurce, effect of pyridoxineon growth of, 246.Platinum electrodes, 9.hydrogen deposition at, 5, 26.hydrogen or oxygen deposition on, 1 1.hydrogen overpotential on, 29.oxygen deposition on, 29.into tyrosine, 260.by tyrosinme, 234.of, 143.137.X-ray-storing, 287.sucrose synthesis hy, 250.relation to food, 23 1 .nomenclature of, 235.surfaces, adsorption at, 14.Plutonium, 57.Pneumoconiosis, X-ray analysis in, 280.Poisons, catalase, effect of, on photo-Polarity, relation of, to bond stre~igtli,Polybromido number, 288.Polyhydrodoisynolic acids, 206.Polyhydromarrianolic acids, 20G.Polymerisation, chain, initiation of, byPolyperAuorovinyl chloride, 1 15.Polysaccharides, production of, 221.synthesis, 233.46.Fenton’s reagent, 67.synthesis of, from fructose and glucose,217.in muscle, 223.Polytetrafluoroethylenc, 1 15.Porifermterol, 175.Potassium, at.wt.of, 51.Potassium hydroxido, reaction of, withozone, 63.telraoxide, 62.Potential, diffuse doulde Iayer. effect of,on hydrogen deposition, 22.See also Overpotential.Pregnancy, effect of pyridoxine on sick-ness of, 237.Pregnanes, epimeric, 190.Proline, biosynthesis of, 261.Promin, toxicity of, counteracted bypyridoxine, 237.Propme, fluorination of, 104INDEX OF SUBJECTS. 325isoPropyl alcohol, oxidation of, in acidisoPropyl alcohol, fluoro-, 118.isoPropylbenzene, spectrum of, nearPropylene, spectrum of, far ultra-violet, 33.Propylene, hezachloro-, reaction of, with6-n-Propyl-2- thiouracil, goi trogen icPseudomoms saccharophila, phosphorylasea- and /3-Pyracins, 245, 246.Pyrene, bond lengths in, 84.Pyrethrin I, detn.of, 265.Pyridine, spectrum of, far ultra-violet, 40.Pyridine, 2- and 3-fluoro-, 107,3-hydroxy-, synthesis of, 236.Pyridoxal, microbiological assay of, 238.phosphorylation of, 241.preparation and growth activity of, 239.Pyridoxal phosphate, 240.reactivation of apoenzymes by, 244.Pyridoxamine, antibacterial properties of,microbiological assay of, 238.preparation and growth activity of, 239.solution, 77.ultra-violet, 41.chlorodifluoromethane, 106.activity of, 247.from, 220.hydrogenation of, 84, 132, 133.structure of, 126.246.Pyridoxamine phosphate, 243.4-Pyridoxic acid, 245.5-Pyridoxic acid, 245.Pyridoxine, and its derivatives, rBle of, inin amino-acid synthesis, 242.deficiency symptoms from, in animals,derivatives in transamination, 242.in treatment of diseases, 237.microbiological assay of, 238.oxidation of, 239.structure and synthesis of, 236.synthesis of, microbiological, 244.amino-acid breakdown, 240.2.17.Pyridoxine phosphate, 241.+-Pyridoxine, 238.Pyrochroite, 277.Pyrolusite, relation of, to y-manganesedioxide, 279.Pyrrole, hzm synthesis from, in mammals,233.spectrum of, vacuum ultra-violet, 38.Quartz, detn.of, 282.X-ray analysis of, 279.Radiation sickness, treatment of, withRadical, HO,, 61.Radical ion UO,, 70.Radicals, free, 61.Radiographs, interpretation of, 287.Radium, at. wt. of, 51.Rmmelsbergite, 277.pyridoxine, 237.NOH, 68.SH, 68.Ramsdellite, relation of, to y-manganeseRancidity, tests for, 292.Rape seed, goitrogenic effect of, in diet,247.X-Rays, analysis with, 275.by powder diffraction, 276.microradiographic, 286.qualitative, 276.quantitative, 2 8 1.spectroscopic, 284.dioxide, 279.diffraction index for, 276.diffraction of, 278.Reactions, inorganic, intermediate com-pounds in, 60.Reduction, 142, 143.Refractories, X-ray analysis of, 281.Resonance theory, 126.D-Ribose, biological origin of, 220.Ribose- 1 phosphate, constitution of, 220.Rice starch.See under Starch.Ring enlargement, 163.Root nodules, pigments in, 234.Salts, fused, equilibrium of, with metals,Sampling, sequential, 266.t,b-Santonin, 144, 154.Saponification value, 289.Scale, boiler and turbine, X-ray analysisScreens, fluorescent, for X-ray absorption,Sedum, ~-altroheptulose from, 220.Sesquiterpenes, 84.Shairol, 168.Shakosterol, 175.Silica, detn.of, in lungs. 280.Silicon, at. wt. of, 52.Silver, at. wt. of, 51.50.technique and methods of, 266.of, 279.286.solubility in, of arsenic, gallium, m dsurfaces, adsorption at, 14.Slags, alumina and chrome-steel, X-raySlates, X-ray analysis of, 280.Soaps, solubilisation of dyes by, 298.Sodium vapour, reaction of, with oxygen,Sodium sulphamate, 277.Soils, colloids in, X-ray analysis of, 280.Solvents, non-aqueous, overpotential in,Soya-bean oil, glyceride structure of, 295.Spectra, absorption, of irone, and itsgermanium, 284.analysis of, 279.63.30.separation of fatty acids of, 295.derivatives, 147.far ultra-violet, 32.X-ray, 284.Spectrochemical analysis of cations, 273.Spectrograph, vacuum, 285.Spectrometers, Geiger-counter, 283.Spectrophotometer, Hilger-Nutting, 274., Spectroscopy, X-ray, 284.I Sprue, treatment of cheilosis in. 237326 INDEX OF SUBJECTS.Squalene, detn. of, in oils, 290.Stannous halides, extinction curves of, inStarch, 222.presence of alkali halides, 72.maize, structure of, 224.rice, structure of, 224.Statistics, application of, to analysis, 264.Stearic acid, fluoro-, 109.Steel, X-ray analysis of, 280, 281.Steroids, 170.9 : 10-difluoro-, 97.acetylation of hydroxyl groups in, 173.elimination of keto-groups from, 189.introduction of radioactive carbon into,saturated and unsaturated, substitution174.in, 172.Sterols, marine, chemistry of, 175.Stigmastanol, 175.Stilpnomelane, 277.Stobbe reaction, 84, 136.Streptococcus fmulis, microbiological assayswith, 238.Succinic acid, diethyl ester, condensationof, with aromatic ketones, 136.Succinic acid, perfluoro-, 119.Succinic dehydrogenase of heart muscle,Succinimide, N-bromo-, bromination with,Sucrose, synthesis of, 217.cytochrome b with, 228.174, 186.by bacterial phosphorylase, 220.transglycosidation with, without phos-phate, 221.Sulphaguanidine, goitrogenic action of,247.5-Sulphanilylthiazole, 2-amino-, goitro-genic activity of, 248.Sulphites, oxidation of, in solution, 69.Sulphuric acid, mixtures of, with nitricacid, 74.Suprarenal bodies, haemochromogen andperoxidase in, 229.Surface-active agents, 29 7.analysis of, 298.sulphated or sulphonated, detn.of,300.Sweat, pyridoxine and its derivativesfrom, 245.Tafel relation, 8, 23.Tantalite, 277.Tantalum, 277.Tantalum nitride, 277.Teaseed oil, detn. in, of squalene, 290.glycerides from, 296.Technetium, 6 1.Terpenes, 84, 144.Terphenyls, polychloro-, chlorofluoro-oilsfrom, 101.Tetrahydrocaryophyllenol, 156.Tetrahydroionone, 146.Tetrahydroirone, 146.Tetrahydrolavandulol, 144.Tetrahydropyrene, structure of, 132.Tetrahydro-8-vetivol, 1 i9.Tetramethylethylene, spectrum of, farultra-violet, 33.Tetramethylplatinum, tetrameric struc-ture of, 56.Tetrapyrroles, 226.Thallium cathodes, hydrogen overpotentialThallium hydride, 55.Thionic acid radical, 69.Thiophen, spectrum of, vacuum ultra-Thiouracil, effect of, on thyroid, 249.Thomsenolite, X-ray analysis of, 280.Thyroid, detn. in, of iodine, 252.drugs affecting growth of, 247.iodine concentration by, 248.response of, to thiouracil dosage, 249.Thyroxine, biogenesis of, 250.Titanium nitride, detn.of, in iron alloys,282.Toluene, spectrum of, far ultra-violet, 40.near ultra-violet, 41.Toluene, perfluoro-, 102.Torreya mucifera, torreyol from, 152.Torreyol, 152.Torulopsis utilis, hzematin in, 227.Transamination, biological, 242.Transglycasidation, 21 7.without phosphate, 22 1.Trans-uranium elements, 56.1 : 2 : 4-Trimothylbenzene, ozonolysis of,1 : 3 : 5-Trimethylbenzene, spectrum of,2 : 2 : 4-Trimethyl-1 : 2-dihydrofluor-Trimethylethylene, spectrum of, far ultra-Trimethylcyclohexane, perfluoro-, 9 1.2 : 2 : 4-Trimethyl-1 : 2 : 3 : 4-tetrahydro-1 : 3 : 5-Triphenylbenzene, propeller shapeTristearin, detn.of, in lard, 292.2 : 4 : 6-Tristrichloromethyl-1 : 3 : 5-tri-1 : 3 : 5-Tristrifluoromethylbenzene, 99.Tristrifluoromethyltriazine, 11 8.1 : 3 : 5-Tristrifluoromethyl-2 : 4 : 6-tri-Tritolyl phosphate, detn. of, in vegetableTryptophan, biosynthesis of, 261.on, 28.violet, 38.inhibition by, of casein iodination, 251.128.near ultra-violet, 41.anthrene, 125.violet, 33.fluoranthene, 126.of, 34.azine, 99.azine, fluorination of, 94.oils, 296.conversion of, into kynurenine, 255.degradation of, to indole by Escherichiasynthesis of, by Lactobacillus arabinosusin presence of pyridoxine, 244.coli, 258.in Neurospora, 258.Tryptophanase, 244, 258.Tung oil, adulteration of, 289.Tungsten, at. wt. of, 52.Turmerone, 15 1.detection of, 293.detn. in, of elaeostearic acids, 594INDEX OF SUBJECTS. 327Tyrosine, biochemical formation of, fromTyrosine, diiodo-, thyroxine from, 250.L-Tyrosine, decarboxylation of, byTyrosine decarboxylase, formation of, byL-Tyrosine decarboxylase, 240.phenylalanine, 260.enzymes, 240.Streptococcus f m x d i s , 240.Unsaponifiable matter, detn. of, 289.Unsaturation of fats and oils, 287.Urane, 190.Uranium minerals, separation of, 57.Uranyl salts, fluorescence quenching of, 70.Urine, pyridoxine and its derivatives from,uZZoUzarigenin, synthesis of, 189.245.Vapour pressure of inorganic compounds,Vetivazulene, 165, 168.Vetiver oil, 168.Vetivone, 168.structure of, 85.a- and fl-vetivones, 169.Vinyl fluoride, 104.Vitamin-B,, complex nature of, 244.50.structure of, 85.polymerisation of, 116.group in natural tissues, 239.Vitamin-D, and -D3, relative potencies of,Vomiting, effect of pyridoxine on, 237.Vredenburgite, 277.Water, effect of irradiation on, 67.Waxes, m. p. of, 293.Weighing of small objects, 267.Wetting agents, analysis and classification266.of, 301.evaluation of, 298.Wetting tests, 297.Wheat germ, cytochrome c in, 231.Wolff-Kishner reduction, 143.o-Xylene, ozonisation of, 83, 127.p-Xylene from dehydrogenation of cyclo-octane, 123.Yeast, catalase in, 229.classification of, 227.coproporphyrin synthesis by, 232.cytochromes in, 227.enzymes of, 229.hcematin in, 227.microbiological assays with, 238.Zinc sulphide, detn. in, of zinc oxide, 282.Zingiber zerumbet, sequiterpene ketonefrom, 153.isozingiberene, 152