INDEX OF SUBJECTSABRINE, 340.Abrus precatol.ius, alkaloid from, 340.Acetaldehyde, condensation of, withsugars, 280.decomposition of, 100.Acetic acid, basic beryllium salt,structure of, 229.ethyl ester, acid hydrolysis of, 104.methyl ester, hydrolysis of, 105.detection of, 477.Acet-8-naphthalide, thiol-. SeeAcetone, decomposition of, 100.Acetophenones, nuclear substituted,hydrogen-ion catalysed proto-tropy of, 108.Acetylene, polymerisation and hydro-genation of, 102.molecules, internuclear distancesin, 65.Acetylglycollic acid, basic hydrolysisof, 104.Acids, fatty, oxidation of, in viuo,414.organic, production of, by moulds,444.Acraldehyde, electronic spectrum of,63.Actinia equiw. See Sea anemone.Actinioerythrin, 304.Adamantine compounds, 205.Adenosine &phosphate, formation of,in muscle, 41 1.Adipic anhydride, polymeride of, 267.Adsorbents, solid, surface structureof, 115.Adsorption, 109.activated, 110.Xtioporphyrin-11, 3 7 3.Alcohols, reagents for, 475.Aldehydes, reagents for, 475.Algae, 448.effect of temperature on respirationand Etssimilation of, 449.brown, fucoxanthin in, 302.calcareous, metabolism of, 449.Thionalide.decomposition of, 102.Aliphatic compounds, structure of,Alkaloids, 331.,41kyl sulphides, valency angle of227.sulphur in, 131.Alloys, structure of, 181, 198.order-disorder transformations of,non-ferrous, 165.Aluminium, determination of, 462.determination and separation of,Aluminium alloys, 177.with barium, 205.with iron, 203.with magnesium, 167, 204.with silver, 167, 175.with zinc, 204.Aluminium bromide, dipole momentand structure of, 136.carbide, structure of, 206.chloride, effect of, on Walden in-version in sugars, 284.Alums, structure of, 222.Amalgams.See Mercury alloys.Amines, colour reactions of, withAmino-acids, 417.Ammonia, dipole moment and struc-molecules, in ternuclear distancesliquid, use of, in sugar chemistry,production of, in muscle, 414.184.460.chloranil, 477.mgents for, 475.ture of, 136.in, 65.275.a-Amylodextrin, 286./3-Amylose, distinction of, from a-amylose, 287.Analysis, apparatus for, 479.reagents for, 456.inorganic, 451.organic, 475.qualitative, 468.quantitative, 451.colorimetric, 477.microchemical, 477.quantitative, 476.hdrostanediol, 408.Qndrostanedione, 408.4ndrostenedione, 409.'L- and iso-Androsterones, 408.dnemonia sulcata, lipochrome from,4neurin.See Vitamin-B,.4ngler fish, astacene in, 300.volumetric, standards for, 452.304.REP.-VOL. XXXII. 513 1514 INDEX OX SUBJECTS.Anhalinine, 336.Anhalonine, structure of, 336.&-Anhalonine, resolution of, 336.Anhalonium Lewinii, alkaloids from,@hydro-osazones, 276.Anhydrone.” See Magnesium per-Anhydro-psicose, conversion of fruc-Anhydro-sugars, 280.Animals, biochemistry of, 401.Anisole, oxygen valency angle in, 135.Antheraxant hin , 304.Antimony, detection of, 472, 474.Antimony alloys with aluminium,336.chlorate.tose into, 283.178.with lead, 171.with magnesium, 176.with thallium, 205.with tin, 179.Antipyrine, detection of, 478.Apocinchene, 337.n- and Go-Apoquinidines, 338.Apoquinine, 338.Arabinose, mutarotation of, 272.p-Z-Arpbinose, rotation of, 272.d-Arginine anhydride tetrahydro -chloride, 417.Argon, thermal analysis of mixturesof boron trifluoride and, 159.Aromatic compounds, structure of,229.Arsenic, detection of, in presence ofantimony, 469.Arsenic alloys with tin, 179, 205.Arsenides, structure of, 208.Ascorbic acid, synthesis and deter-Aspergillus glaucus, pigments from,Aspergillus melleus, mellein from, 448.Aspergillw niger, mineral nutritionAspergillus terreus, terrein from, 448.Asphalt, porphyrins in, 398.Astrtcene, 300.Astucua gcvmmarus. See Lobster.Atebrin, 421.Atomic nuclei, masses of, 18.determination of, 459.mination of, 404.447.of, 441.respiratory exchange of, 446.transmutation of, 19.light, table of radioactive trans-formations of, 28.Atomic weight of protoactinium, 16,146.Atoms, partition function for, 71.Aurantin, 448.Auroglauoin, 447.Auxins, 425.of thorium, 146.determination of activity of, 427.Azafnn, structure of, 293.Azafrinals, 296.Azomethane, decomposition of, 100.Bacteria, purple, carotenoids from,purple and red sulphur, pigmentBacteriochlorophyll, 396.Bacterio-methyl phaeophorbide a, 397.Barium alloys with aluminium, 177,305.from, 396.205.with silver, 174.with tin, 179.Beans, djenkol, amino-acid from, 418.Beetroots, sugar, dry rot and h a r trot of, as boron-deficiency dis-eases, 440.Benzaldehyde, condensation of, withglucose, 279.Benzene, structure of, 242.valency angles in, 126.entropy of, 89.Benzene, hemchloro-, structure of,nitro-derivatives, colorimetry of,p-dinitro-, structure of, 232.8-Benzhydryl- 1 -naphthoic acid,methyl ester, action of, withphenyl-lithium, 249.Benzophenone, valency angles in, 133.Benzophenoneoxime picryl ether,Beckmann transformation of,103.Benzoquinone, structure of, 231.Benzo ylauramine - G as indicator, 45 6.Benzthiazole, thiol-, as analyticalBenzyl halides, valency angles in,2 : 4-Benzylidene sorbitol, 280,Beri-beri, human, treatment of, 403.3-Benzyl-3 : 4 : 5 : 6-tetrahydro-norharman, 3-m-hydroxy-, 342.Beryllium, allotropy of, 204.nuclear mass of, 17.determination of, 462.Beryllium alloys with copper, iron,and nickel, 203.Beryllium bromide and chloride,dipole moments and structure of,137.195.477.reagent, 457.135.carbide, structure of, 206.Beryx decadactylus.See Goldfish.Bleaching powder, constitution of,158, 195.Binnite, structure of, 208.Biochemistry, 400.Biotin, 431.cis- and trans-Bis-anti-benzylmethyl-glyoximes, 161INDEX OF SUBJECTS. 515Bisethylenediaminoplatinous salts,configuration of, 163.Bismuth, detection of, 472,474.Bismuth alloys with calcium, 172.with lithium, 173.with thallium, 167, 205.‘‘ Bohemium,” 147.Boracite, structure of, 214.Borates, structure of, 214.Boric acid, structure of, 213.Boron in plants, 440.detection of, 473.Boron carbide, structure of, 206.trichloride, dipole moment andstructure of, 136.trifluoride, thermal analysis ofmixtures of argon and, 159.trioxide, crystalline, 214.Brass, structure of various forms of,181.Bromine, reaction of, with hydrogen,90.Bryophyllurn crenatium, growth in-hibitor from leaves of, 426.Bufotenine, synthesis of, 345.Butadiene, polymerisation of, inpresence of lithium, sodium, andmetal alkyls, 258.see.-Butyl iodide, decomposition of,102.a-Butyric acid, determination of, 478.Cactus alkaloids, 336.Cadmium, isotopes of, 16.detection of, 469.determination of, 457.Cadmium alloys with copper, 174.with lithium, 172, 204.with magnesium, 175.Cadmium bromide, structure of, 188.Cssium, detection of, 473.Cssium alloys with sodium, 172.Cssium nitrate, structure of, 218.Calciferol, 405.Calcium, detection of, 470.determination of, 464.Calcium alloys with bismuth, 172.with gold, 172.with lead, 180.with silver, 174.sulphate, urea compound, 223.Calcium boride, structure of, 206.Calorimeter, 114.Camera, Weissenberg, 194.Canavanine, 418.Caoutchouc, a- and fl-foms of, 261.soluble, insoluble, and vulcanised,Capsanthin, 301.Capsicum annuum.See Pepper, red.Capsorubin, 301.Carbides, structure of, 205.264.Carbocyclic compounds, 305.Carbohydrates, 272.structure of, 235.Carbon black, structure of, 207.Carbon subfluoride, structure of, 207.monoxide, entropy of, 88.adsorption of, by palladium oxide,reaction of, with nitrogen mon-dioxide, structure of, 225.Carbonyl compounds, determinationof, 476.sulphide, explosion limit for oxid-reaction of, with water, 103.cis-dl-3-Carboxy - 1 : 1 - dimethylcyclo-propane-2-propionic acid, syn-thesis and resolution of, 321.Carboxyl group, structure of, 228.Carenes, 32 1.Carica papaya, caricaxanthin from,296.Carlic acid, 447.Carlosic acid, 447.Carolic acid, 447.Carolinic acid, 447.Carotene, detection of, 478.a-Carotene, 292.#&Carotene, 292.Carotenoids, 291.p-Carotenone aldehyde, 293.Carvomenthols, 320.Carvomenthones, 320.Caryophyllenes, 325.Catalysis, heterogeneous, 116.Catalysts, activation of, by secondarysolid, surface structure of, 116.Cedrene, 329.Cellulose, structure of, 237, 284.distribution of, in algq 449.Cerium tungstate, structure of, 218.Chabazite, structure of, 216.Chain growth, mechanism of, 250.Chemotherapy, 421.Chitin, 289.Chitose, 289.Chloral, effect of iodine on decom-Chlorates, determination of, 467.Chlorin e, 366.alkaline degradation of, 368.reduction of, 375.Chlorin f, 386.Chlorine, determination of, in water,480.Chloroform, valency angles in, 128.Chlorophyll, 362.111.on zinc chromite, 111.oxide, 102.ation of, 101.constituents, 119.position of, 102.formulae for, 380.allomerisation and phase test for,385516 INDEX OF TBJECTS.Chlorophyll derivatives, conversionChlorophyll a, 374.structure of, 390.partial synthesis of, 394.optical activity of, 391.Chlorophyll b, 395.optical activity of, 391.Chlorophyllides, 364.isoChlorophyllins, 367.Choline esterase, 424.Chromates, detection of, 472.Chromium, determination of, 462.Chromium alloys with aluminium,Chromium carbide, 202.Chrysene, structure of, 230.Cinchene, 337.Cinchona alkaloids, 337.Cinnamic acid, methyl ester, cis-trans-isomerism of, 108.ciscinnamic acid, methyl ester, iso-merism of, 102.Citric acid, formation of, by moulds,444.Clays, minerals of, 216.Clove oil, caryophyllenes in, 325.Clovene, 327.Clovenic acid, 327.Coal, porphyrins in, 398.Northumbrian, gallium and ger-manium in, 165.Cobalt, 4-covalent, configuration of,160.detection of, 470, 474.determination and separation of,Cobalt alloys with aluminium,Cobalt silicide, 202.sulphide, precipitated, compositionsulphoxylate, 153.Coir, structure of, 238.Colloids, X-ray and electron methodsapplied to, 195.Colusite, structure of, 208.Conqerm, manganese in, 439.Convolvamine, 340.Convolvicine, 340.Convolvidine, 340.Convolvine, 340.Convolvulus pseudocantabricus, allk-Copper, 4-covalent, configuration of,detection of, 468, 472.determination and separation of,withgold, 171, 184.witch magnesium, 171, 199.of, into porphyrins, 368.178.nitrides, 201.463.178.and properties of, 153.aloids of, 340.162.458.Copper alloys, 173.Copper alloys with silver, 17 1.Copper compounds, co-ordination,220.Copper oxide, structure of, 210.catalytic, activation of, byaluminium and chromiumoxides, 1 19.with tin, 171.withzinc, 171.silicide, structure of, 203.sulphate pentahydrate, structure of,Coproporphyrin, 398.Corallim o@cinalis, constituents of4-Corynanthine, 341.Cotton plants, utilisation of am-o-Cresolphthalein as indicator, 455.Crocetin, 303.traw-Crocetin dimethyl ester, thermalCrotonic acid, hydrogenation of, inCrystallography, 193.Crystals, physics of, 181.chemistry of, 197.plasticity of, 191.molecular, 223.real, properties of, 189.222.extracts from, 449.monium salts by, 436.degradation of, 303.presence of platinum, 118.Cristobalite, structure of, 188.Cucurbi t axan t hin , 2 9 6.Cucurbitene, 296.Curare alkaloids, 351.Curine, 351.Cyanide ion, structure of, 217.Cyanide radical, partition functionCyanides, determination of, in water,483.Cyanogen bromide as volumetricstandard, 452.Cyanomaclurin, 250.Cyanuric triazide, structure of, 233.Cybotactic groups, 242.Cymarose, structure of, 273.of, 74.Dauricine, 352.Decahydronaphthalenes.See De-calins.Decalins, 307.Decalols, 308.Decalones, 308.Decane, structure of, 242.Decoic acid, w-hydroxy-, poly-amides and polyesters from, 267,268.De-e t hylphylloery t hrin, 3 82.De-ethylpyrroporphyrin, 382.isoDehydroandrosterone, 409.Deh ydronorcaryoph yllenic acid, 3 2 5.Deoxophylloerythrin, 3 98INDEX OF SUBJECTS. 517Deoxophylloerythrin, synthesis of,Deoxoph ylloery t hro -ze tioporphyrin,Deuterium (heawy hgdrogen), separ-377.398.ation of, 40.properties of, 44.entropy of, 88.zero-point energy of, and itsreactions, 98.interchange reactions with, 43.exchange of, with hydrogen, byenzymes, 49.catalysis in reactions with, 119.in study of acid-base catalysis, 49.reduction of ethylene by, 118.determination of, 42.Deuterium compounds, 47.spectra of, 64.Deuterium oxide (heavy water), 45.properties of solutions in, 48.Deuterons, disintegration by, 122.Dextrins, Schardinger’s, 287.Diamine-fast-Bordeaux-GBS, 456.Diamine-fast-violet-BBN, 455.Diamonds, optical and photoelectricproperties of, 184.1 : 2 : 5 : 6-Dibenzanthracene, opticaland magnetic properties of, 230.Dibenzyl, structure of, 231.Dichromates, detection of, 472.Dickite, synthesis of, 217.Dicyclic compounds, 306.4 : 5-Dideuterocoprostanone, 48.Dideuteromalonic deuteracid, 48.Diems, conj ugated, polymerisa tionDiethylacetal, acid hydrolysis of,Diethylmercury, dipole moment andDigitalose, structure of, 272.heteroDihydrocinchonine, 33 8.22 : 23-Dihydroergosterol, 406.Dihydrolysergic acid, action ofpotassium hydroxide on, inhydrogen, 348.a- and fl-Dihydrolysergols, 346.Dihydrophzeophorbide, formationand properties of, 384.fir -Dime t h ylbu tadiene, polymeridesof, 257.6 : 7- Dimethyl- 9 -d-1‘-lyxitylisoallox-azine, 358.Dimeth ylphEopurpurin, 7, 3 8 7.6 : 7 - Dimethyl - 9 -d- 1‘-ribitylwoallox-azine, 356.Dimethylthallium halides, structureof, 220.Diosphenol, catalytic hydrogenationof, 321.Diphenic acid, 4 : 6 : 4‘ : 6‘-tetra-bromo-, racemisation of, 247.of, 256.104.structure of, 137.Diphenic acid, 6-nitro-6’-amino-, 6‘-acetyl derivative, resolution of,248.Diphenyl, and its compounds, 246.Diphenyl ether, pp’-diiodo-, oxygenvalency angle in, 131.ethers, oxygen valency angle in,130:sulphides, sulphur valency anglein, 130.sulphoxide, valency angles in, 134.Diphenylbenzidinesulphonic acid,sodium salt, as indicator, 455.Diphenylcarbazone as indicator, 455.d- and I-Diphenyldinaphthy~llenes,ua -Diphenyle thylene derivatives ,valency angles in, 134.Diphenylmercury, and dibromo-,dipole moments and structure of,137.Diphenylmethane, valency angles in,133.ay - Diphenyl- y - naphthylallene - a -carboxylic acid, carboxymethylesters, 243.Diphenylsulphone, valency angles in,133.Dipole moments, calculation ofvalency angles from, 126.1 : 2-3 : 5-Diisopropylidene gluco-furanose, 279.d-glucofuranose, 278.d-mannofuranose, 278.2 : 3-5 : 6-Diisopropylidene methyl-mannofuranoside, 2 7 8.2 : 3-4 : 6-Diisopropylidene a-me thylmannopyranoside, 2 78.2 : 3-4 : 6-Diisopropylidene Z-sorbo-furanose, 279.1 : 2-3 : 5-Diisopropylidene xylo-furanose, 279.Dithionates, formation of, fromsulphites, 150.4 : 4’-Ditolyl, 2 : 6-dibrorno-3 : 3‘-diamino-, partial resolution of,247.p-Divinylbenzene, polymerisation of,263.polymerisation of mixtures ofstyrene and, 261.Djenkolic acid, 418.Dodecahydrobenzanthracene, struc-ture of, 230.Drop reactions, 47 1.Drought, resistance of plants to, 435.243.1 : 2-5 : 6-Diisopropylidene2 : 3-5 : 6-DiisopropylideneEarths, rare, activation of, 26.alloys of, 205.separation of, 462518 INDEX OFEchinenone, 304.Echinus esculentus.See Sea urchin.Edestin, structure of, 241.Electrical conductivity of alloys, 166.Element No. 61, 139.No. 85, 141.No. 87, 141.No. 93, 147.Elements, isotopic constitution of, 15.transmutation of, by bombard-ment, 19.4-covalent, 160.Enargite, structure of, 209.Energy, mountain model of, 92.values of, from spectra, 75.rotational, of polyatomic molecules,Entropy of mixed isotopes, 80.of monatomic gases, equation for,Epicinchonine, 338.Equilibrium constants of reactions,86.Ergine, 346.Ergobasine, 349.Ergoclavine, 350.Ergometrine, 349.Ergometrinine, 3 5 0.Ergostetrine, 349.Ergot alkaloids, 345.Ergotamine, 345.Ergotaminine, 345.Ergotinine, 345.+Ergotinine, 346, 350.Ergotocine, 349.Ergotoxine, 345.Erythritoldipyruvic acid, rotationdZ-Eserethole, synthesis of, 343, 344,Eserine, 343, 423.Z-Eserine, synthesis of, 344.Ethane, hmchloro-, structure of, 236.s-diiodo-, structure of, 227.Ethoxyphaoporphyrin a,, 389.Ethyl azide, explosion of, 101.chlorophyllide, 364.1 O-ethoxyphaophorbide, 388.Ethylene, vibration-rota t ion spec-trum of, 61.adsorption of, on manganese chro-mite, 111.hydrogenation of, on nickel, 118.reduction of, by deuterium and byhydrogen, 1 18.and its homologues, as growthsubstances, 430.dichloride, polymeride from sodiumtetrasulphide and, 270.diiodide, reaction of, with iodine,103.E thylhydrocupreine, hydroxy -,therapeutic properties of, 423.55.66.and structure of, 122.423.IUB JECTS.4 : 6-Ethylidene a-d-glucopyranose,10 - Ethylphenoxarsine - 2 - carboxylicEucolloids, 260.Excelsin, structure of, 241.Extraction apparatus, Soxhlet, modi-280.acid, resolution of, 249.fied, 479.Fats, conversion of, into carbo-Felspars, structure of, 216.Ferricyanides, determination of, 467.Ferrocyanides, determination of,Fibres, formation of, from poly-Fibroin, structure of, 238.Films, surface potential of, 106.Flavins, synthesis of, 358.Flavoglaucin, 447.Flavoxanthin, 300.Flax plants, nutrition of, 439.Fhidece, floridoside in, 449.Floridoside, 449.Fluorescein, dichloro-, as indicator,Fluorides, determination of, in water,Formaldehyde, electronic spectrumvibration-rotation spectrum of,polymerisation of, 102.conversion of, to polyoxymethylene,resins from urea and, 269.detection of, 478.hydrates, 417.467.merides, 268.455.483.of, 63.61.265.Frost, resistance of plants to, 432.a- and 6-Fructoheptonic acids,5-Fructonose, 274.cl-Fructopyranose, diacetone deriv-ative, 277.Fructose, conversion of, into anhydro-psicose, 283.d-Fructose, conversion of, into d-sorbose, 283.Fucosterol, 450.Fucoxanthin, 297, 302, 450.Fucus vesiculosus, constituents of, 450.Fulvic acid, 447.Furan, detection of, 478.Furfuraldehyde, condensation of,with sugars, 280.Fasariurn, nitrogen nutrition of, 443.structure of, 273.determination of, 476.Gadidm, glycogen from livers of, 288.d-Galactopyranose, diacetone deriv-ative, 277INDEX OF SUBJECTS.51 9Gallium, structure of, 205.Gallium alloys with aluminium, 178.Gases, flue, of power stations, re-moval of sulphur from, 150.Gelatin, amino-acids in, 418.Germanium from Northumbrian coal,165.Glass, structure of types of, 215.Gluconic acid, formation of, byGlucosazone, structure and methyl-Glucose, mutarotation of, 104, 105.action of barium hypobromite on,condensation of benzaldehyde with,action of bromine on, 277.benzoates, 272.&acetone, 275.determination of, 476.from Northumbrian coal, 165.with copper, 174.detection of, 469, 473.moulds, 445.ation of, 276.277.279.Glutathione, constitution and syn-Glycogen from fish livers, 288.Glycylglycines, structure of, 238.Glyoxal, decomposition of, 102.Goethite, structure of, 213.Gold, solubility of, in mercury, 177.detection of, 474.Gold alloys with calcium, 172.with copper, 171, 173, 184.with manganese, 201.with mercury and tin, 167.with tin, 179.Goldfish, astacene in, 300.Graminin, structure of, 289.Graphite, structure of, 206.Growth substances, 425.Guanidinium halides, structure of,thesis of, 419.228.Hamin, oxidation of, 369.Haemopyrrole, 3 7 0.Hafnium, nuclear moments of, 16.Halides, structure of, 209.Halogens, determination of, 466.Hamamelose, structure of, 274.Hauyn, structure of, 216.Heat of adsorption, 113.Hemicolloids, 260.Heptane, structure of, 242.spiroHeptane, &amino-, rotation andstructure of, 125.Heteroauxin, 426.initiation of roots by, 427.Heterocyclic compounds, 330.Heteropoly-acids, structure of, 220.Heusler’s alloys, ferromagnetic, struc-ture of, 202.Hexadeuterobenzene, 47.Hexamethylenetetramine, structureEexamethylethane, structure of, 226.cycZoHexane, structure of, 242, 306.cis-cgcZoHexane -1- acetic - 2 -propioniccploHexane-1 : 2-diacetic acid, 308.H’exoic acid, e-amino- , polymerice-Hexolactone, polymeric, 267.Holmium, nuclear moments of, 16.Homocaronic acid, cis- and trans-d-Homopilopic acid, synthesis of, 332.Homosantenic acid, 324.Hormones, corpus luteum, 410.sex, 408.testicular, 408.Hydrargillite, structure of, 212.Hydrazine, structure of, 136.Hydrindanes, 310.5 -Hydrindanol, 3 1 2.Hydrindan-4-one, 311.ck-6-Hydrindanone, 312./3-Hydrindanones, reduction of, 309./3-HydrindanylaminesY 3 11.Hydrocalumite, structure of, 213.Hydrocarbons, oxidation of, 101.Hydrocyanic acid, molecules, inter-nuclear distances in, 65.detection of, 474.Hydrogen, atoms, recombination of,entropy of, 88.heat of adsorption of, on copper,on zinc oxide, 114.adsorption of, on promoted am-on chromium oxide, 110, 112.on zinc oxide, 110.zero-point energy of, and its re-actions, 98.reduction of ethylene by, 118.reaction of, with bromine, 90.with oxygen, 100.atomic, partition function for, 71.ortho- and para-, transition of, 103.Hydrogen peroxide, dipole momentsolid, structure of, 225.decomposition of, in aqueoussulphide, formation of, from itsvibration-rotation spectrum of,of, 227, 331.as analytical reagent, 462.acid, synthesis of, 308.amides from, 267.forms, 321.99.platinum, and tungsten, 113.monia catalysts, 111.and structure of, 136.solutions, 105.elements, 100.61.Hydroxides, structure of, 212.Rydroxyl, partition function of, 74.Hypophosphite group, structure of,218520 INDEX OF SUBJECTS.Illinium, 139.Indicators, 455.Indium, detection of, 472.Indium alloys with copper, 174.Indole-3-acetic acid, and its deriv-atives, as growth substances, 429.Indole-3-~-propionic acid as growthpromoter, 429.Inorganic analysis, 451.meso-Inositol as growth.promotingfactor, 275.Insulin, crystalline, structure of, 240.Inulin, hydrolysis of, 288.Iodides, structure of, 207.determination of, in water, 484.Iodine, reaction of, with methylchloride, 95.Iodine oxides and sulphates, 159.Ionic compounds, 209.Ions, complex, 217.Iridium, isotopes of, 15, 16.Iron, solubility of, in mercury, 177.detection of, 472.metallic, detsrmination of, in pre-sence of iron salts, 461.Iron alloys with aluminium, 203.with tin, 180.with tungsten, 201.Iron carbides, 201.oxide, catalytic, activation of,by alumina, 119.Isoprene, trimeride of, 257.Isotopes, 15, 40.with silver, 175.with potassium, 99.entropy of mixtures of, 80.radioactive, use of, as indicators,52.Jeremejewite, structure of, 214.Kaolinite, synthesis of, 217.Keratin, structure of, 238.a-Keto-acids, determination of, 478.5-Ketofructose, 274.5-Ketogluconic acid, 277.2-Ketogulonic acid, preparation of,Kinetics, chemical, 89.Kryptopyrrole, 370.Kryptoxanthin, 296.280.Lactoflavin, 354, 404.Lamiruzria digitata, cellulose from,Lanthanum, nuclear moments of, 16.Larch, European, polysaccharideLattice constants of elements, 200.Lead, determination of, in water, 484.determination and separation of,449.from, 291.458.Lead alloys, 180.Lead diammonium &chloride, struc-Lepidocrocite, structure of, 213.Leucoanthocyanidins, 249.Leucoanthocyanins, 249.Levosin, hydrolysis of, 288.Lipins, formation of, by moulds, 446.Liquids, structure of, 242.Lithium alloys, 204.with bismuth, 173.with cadmium, 172.with lead, 180.with mercury, 176.with silver, 172.with thallium, 172.with tin, 179.Lithium deuteride and hydride, struc-ture of, 209.nitride, structure of, 206.sulphide monohydrate, structure of,titanate, structure of, 188.Lithosphere, elements in, 143.Liver, oxidation of fatty acids byLobelanine, 340.Lobster, astacene from, 300.Lophiue piscatorius.See Angler fish.Lucerne, hardiness of, 435.Lumichrome, 354.Lumilactoflavin, synthesis of, 354.Lutein, 300.Lycopene, structure of, 392.Lycorine, 338.Lycoris, alkaloids from, 338.Lysergic acid, 346.d-Lysine anhydride &hydrochloride,with antimony, 171.with thallium, 205.ture of, 188.222.slices of, 415.417.Magnesium, detection of, 473.Magnesium alloys, 175.determination of, 465.with aluminium, 167, 177, 204.with copper, 171, 173.with copper and with zinc, 199.with lithium, 204.Magnesium salts, effect of, on growthMagnesium perchlorate as desiccant,halide hezahydrates, structure of,Maize, growth substance from endo-Maize plants, iron in, 440.effect of zinc on " white bud " in,Maja squiwda.See Spider-crab.Malaria, treatment of, 421.of moulds, 441.468.222.sperm of, 427.440INDEX OF SUBJECTS. 521Maleic acid, hydrogenation of, inpresence of platinum, 118.me thy1 eater, cb-tram-isomerism of,108.Maltose, determination of, 476.Mandelic acid, thempeutic use of,Mandelic acid, o-nitro-, resolution of,Manganese, effect of, on plant growth,Manganese alloys with aluminium,Manganese carbide, 202.Mannocarolose, 290.Manuring, effect of, on droughtresistance, 435.Masurium, 142.Matlockite, structure of, 210.Matrine, 354.Mellein, 448.Mendeleef Centenary Lecture, 138.dl-Menthol, resolution of, 321.Menthols, 3 18.Menthylamines, 3 18.Mercuric chloride, structure of, 210.Mercury, parachor of, 164.detection of, 468, 474.determination of, 458.Mercury alloys, 176.with lithium, 204.with thallium, 205.Mesoaetioporphyrin, 398.Mesocolloids, 260.Mesoporphyrin, 373, 398.Metabolism, fat, 414.Metals, structure of, 198.electron theory of, 181.molten, heats of mixture of, 167.Metal coatings, phase structure of,167.Methane molecules, internuclear dis-Methane, nitro-, decomposition of,Methyl alcohol, structure of, 242.425.245.439.178.with gold, 201.oxides, structure of, 210, 211.silicide, 202.tances in, 65.102.determination of, 478.95.chloride, reaction of, with iodine,chlorophyllide, 364.halides, electronic spectra of, 63.iodide, decomposition of, 102.nitrite, decomposition of, 102.Methylamine, decomposition of, 102./3-Methylarabinoside, structure of,Methylene-blue halides, structure of,Methylene chloride, valency angles in,237.234.128.klethylene group, heat of combustionof, 305.3 : 7-Methylenedioxy-10-methylphen-anthridone, 339.2-Methylfucoside, structure of, 237.2-Methylgalactoside 6-bromo -hydrin, structure of, 237.Methyl ketones, detection of, 477.7 -Methyl- 9-d- 1 '-ribitylisoalloxazine,vitamin-B, action of, 357.B -Me t hylumbelliferone as indicator,466.Micro-organisms, polysaccharidessynthesised by, 290.Minerals, porphyrins in, 398.Minioluteic acid, 447.Molecules, asymmetrical top, 55, 83.vibration-rotation spectra of, 61.monatomic, partition function for,71.diatomic, partition function for, 72.polyatomic, classification of, 55, 81.partition function for, 80.complex, partition function for,83.linear, 55, 82.vibration-rotation spectra of, 60.spherical, 55, 82.symmetrical top, 55, 82.vibration-rotation spectre of,Molybdenite, Australian, rheniumfrom, 165.Molybdenum, determination of, 459.Monosaccharides, detection of, 478.Montmorillonite, synthesis of, 2 17.Moulds, biochemistry of, 441.mineral nutrition of, 441.nitrogen nutrition of, 442.production of organic acids byformation of fats by, 446.60.444.Mucic acid, epimerisation of, 277.Muscle, chemistry of, 41 1.Muscone, structure and synthesis of,Myasthenia gravis, 423.Myosin, structure of, 239.Myotin, 423.305.compounds of, with starch, 287.a-Naphthaflavone as indicator, 455.Nephrops norvegicw.See Prawns.Neutrons, mass of, 19.disintegration by, 24.slow, speed of, 26.Nickel, solubility of, in mercury, 177.4-covalent, configuration of, 160.determination and separation of,Nickel alloys with zinc, 202.Nickel compounds, co-ordination.220.463522 INDEX OB SUBJECTS.Nickel carbides, 201.of, 197, 222.and properties of, 153.Nickelohthio-oxalates, 161.Nicotine, detection of, 478.Nitrates, detection of, 471.Nitrazine-yellow as indicator, 456.Nitrides, structure of, 205.Nitrites, unimolecular decompositionNitro-compounds, aromatic, identific-Nitrogen, structure of a- and f i - f o mcarbonyl, decomposition of, 102.sulphate hptahydrate, structuresulphide, precipitated, compositionof, 108.ation of, 475.of, 225.isotopes of, 61.transmutations of, 22.detection of, in water, 481.Nitrogen monoxide (nitrous oxide),entropy of, 88.decomposition of, 100.reaction of, with carbon mon-oxide, 102.dioxide (nitriq oxide), entropy of,88.trioxide, 153.trioxyfluoride, 155.partition function of, 74.Nitrogen organic compounds, cyclic,o -Nitrophenols, determination of, 4’7 8.Nitrosyl chloride, decomposition of,Norcaryophyllenic acid, 325.&-Noreserethole, resolution of, 343.Norhamns, 342.Nortropine, 340.Nosean, structure of, 216.330.102.Oak, structure of, 238.Oats, sodium requirement of, 438.albOcimene, 322.Oc tadeu teronspht halen e, 48.Octalins, 309.bicyclo [2 : 2 : ZI-Octane, 316.bicgclo[O : 3 : 3]-Octanes, 311.bicyclo[2 : 2 : 2]-Octanone, 316.see.-Octyl iodide, rate of inversion of,fl-Octyl nitrite, rotatory dispersion of,Oil shale, porphyrins from, 398.Olefms, polymerisation of, 255.Oospora aurantin, pigments from, 448.Oosporin, 448.Orange trees, chlorophyll-deficient,tmtrnent of, with copper salts,440.Organic analysis, 475.Organic chemistry, 243.96.123.0rphid.iaster orphidianus.See Star-Osctzones, structure of, 276.Osmium, detection of, 472.Oxaletes, anisotropy of, 223.Oxalic acid, formation of, by moulds,fhh.444.dihydrate, structure of, 229.Oxides, structures of, 210.Oxoporphyrins, 383.Oxoyobyrine, 341.Oxygen, isotopes of, 51.valency angle of, in diphenyl ethers,partition function for, 73.heat of adsorption of, on platinum,adsorption of, by nickel, 111.reaction of, with hydrogen, 100.atomic, partition function for, 72.&solved, determination of, inwater, 482.a-Oxycarotene, 292.Ozone, thermal decomposition of, 100.130.113.by platinum, 11 1.by silver, 114.action of, on terpenes, 317.Palladium, isotopes of, 15.parachor of, 164.4-covalent, codguration of, 162.Palladium compounds, co-ordination,Palladium oxide, structure of, 210.Palladodithio-oxalates, 161.Pantothenic acid, 431.Paraffin, liquid, structure of, 242.a-Particles, disintegration by, 19.Partition function, 71.approximations for determinationof, 77.Pectins, 289.Peganine, identity of, with vasicine,333.+Pelletierine, 339.Peltogyne porphyrocardia, leuco-anthocyanidin from heartwoodof, 249.Peltogynol, 250.Penicillium, formation of gluconic acidby, 445.Penicillium Charlesii, polysacchaxidefrom, 290.Penicillium javanicum, fat productionof, 446.Penicillium minio-luteurn, minio-luteic acid from, 447.Pentaerythritol tetrcbphenyl ether,structure of, 226.truns-cycZoPentane-1 : 2-diacetic acid,resolution of, 312.220.products from, 447INDEX OF SUBJECTS.523Pentaxanthin, 304.1 : 2-cycloPentenophenanthrene,Pepper, red, carotenoids from, 301.Pepsin, crystdine, structure of, 240.Percamphoric acid as indicator forPeriodic table, 138.Pernitric acid, 156.Peroxide ions, structum of, 217.Persulphate ions, structure of, 219.Petroleum, rdle of plants in formationof, 399.Phaeanthine, 353.Phaeophorbide, 365.Phaeophorbide a, reduction of, 375.conversion of, into chlorin e, 366.Phmphytin, 366.Phmporphyrin as, 376.Phaeopurpurins, 386.Phenol, determination of, in water,480.Phenylacrylic acid a8 growth pro-moter, 429.Phenyl 8-carboxy-l-naphthyl sulph-oxide, resolution of, 249.a-Phenylethyl chloride, opticallyactive, racemisation of, 245.Phenylpropionic acid as growth pro-moter, 429.Phenyl-m- and -p-toluidines as in-diwtors, 455.Phosphides, structure of, 208.Phosphine.See Phosphorus tri-hydride.Phosphocrerttine, synthesis of, 413.Phosphoglyceric acid, dephosphoryl-ation of, 411.Phosphomolybdic acid as analyticalreagent, 457.Phosphorus, allotropy of, 156.we of radioactive isotope of, inmetabolism investigations, 53.black, crystal structure of, 157.black and red, structure of, 226.detection of, 473.Phosphorus trihydride, explosion limitPhthalocyanines, 360.structure of, 235.Phycomyces, synthesis of growth sub-stances by, 430.Phylloztiaporphyrin, 3 6 9.Phyllobombycin, 377.Phylloerythrin, 376.structure of, 377.synthesis of, 394.Phyllophyllin, 368.Phylloporphyrin, 3 68.oxidation of, 369.reduction of, 370.structure of, 230.double bonds, 318.porphyrins in, 398.for oxidation of, 101.structure of, 373.Phyllopyrrole, 370.Physalienone, 300.Physostigmine.See Eserine.Phytochlorin g, 386.Phytyl alcohol, 364.Pilocarpine, 331.dl-Pilopic acid, 331.Pine, tracheids of, 238.a-Pinene, pyrolysis of, 322.Pinocarnpheols, 320.Pinocamphones, 3 20.Plants, biochemistry of, 425.drought and frost resistance in,nutrition of, 436.nitrogen nutrition of, 436.potassium in nutrition of, 437.boron in, 440.copper and iron in, 439.rubidium in, 438.effect of manganese on growth of,effect of zinc on diseases of, 440.431.439.Plasmocide, 421.Plasmoquin, 421.Platinodithio-oxalates, 161.Platinum, isotopes of, 15, 16.4-covalent, configuration of, 162.Platinum compounds, co-ordination,Platinum metals, determination of,separation of, 469.Pneumonia, treatment of, 422.Poisons, South American arrow, 35 1.Polychloroprenes, 257.Polydecamethylene oxide, 267.Pol yes t erificat ion, 2 6 7.Polymerides, high, 257.properties of, 259.Polymerisation, 250.Polyoxymethylene, formation of, 266.Polysaccharides, 284.Polythionic acids, detection of, 474.Porphin (A), 359.Porphyrins, 359.mineral, 398.Positrons, 34.Potassium, nuclear moments of, 16.radioactivity of, 36.reaction of, with iodine, 99.detection of, 470.determination of, 457, 465.220.460.mixed, 261.condensation-, 265.three-dimensional, 260.Potassium alloys with sodium, 17 1.Potassium dichromate, standardis-permanganate, standardisation of,ation of, 453.453.Potential, surface, of films, 106.Praseodymium, structure of, 205524 INDEX OF SUBJECTS.Praseodymium alloyswith aluminium,178.with magnesium, 175.with silver, 175.Prawns, astacene in, 300.Pregnandione, 410.Probophorbides, 3 7 7.a- and p-Progesterones, 410.Propaldehyde, oxidation of, 102.Propane, chlorination of, 102.Propyl nitrites, decomposition of, 102.Propylamine, decomposition of, 102.Prosti,ge, 423.Proteins, structure of, 238.Protoactinium, 143.Protons, disintegration by, 2 1.Protoporphyrin, 373, 383.Pumpkin, giant, xanthophylls from,Pyramidone, detection of, 478.Pyrophosphate ions, structure of, 219.Pyrroaetiophyllin, 3 69.Pyrroaetioporphyrin, 369.structure of, 372.Pyrroles, substituted, reduction of,Pyrroline, structure of, 330.Pyrroporphyrin, 368.structure of, 371.at.wt. of, 16, 146.296.331.Quanta, vibrational, excitation of,in relation to activation, 97.Quantum theory in relation tochemical kinetics, 89.Quinine, 42 1.isoQuinoline derivatives, 336.demethylation of, 337.Racemic acid, activation of, 244.Radicals, free, in solution, 105.Radioactive nuclei from neutronRadioactivity produced by neutrons,Radium-E, P-ray spectrum from, 34.Rays, cosmic, 36,&Rays, disintegration with emissiony-Rays, disintegration by, 28.X-Rays, crystal analysis by means of,Reactions, atomic, 97.~ONC, calculation of activationenergy of, 95.organic, 108.in solutions, 103.bakelite, 270.fomaldehyde-urea, 269.bombardment, 24.table showing, 31.of, 32.193.Reagents, 456.Resins, 269.Resins, novolaks, 270.Resorcinol, structure of, 230.Rhenium from Australian molyb-determination of, 460.Rhodjn g, 367.Rhodum, detection of, 474.Rhodopin, 305.Rhodoporphyrin, 368.structure of, 372.isoRhodoporphyrin, 3 9 3.Rhodopurpurin, 305.Rhodoviolascin, 305.Rhodoxanthin, 300.Ricinine, synthesis of, 332.Rickets, treatment of, 406.Ring strain, theory of, 306.Rosa canina and rubiginosa, xantho-Rotation, optical, physical basis of,Rubber, vulcanised, structure of, 264.Rubidium in plants, 438.Rubidium alloys with mercury, 176.with sodium, 171.Rubixanthin, 297.Rubroglaucin, 447.Ruthenium, co-ordination compoundsof, 165.Rutin, structure of, 273.Rutinose, structure of, 273.Rye plants, effects of nitrogen andpotassium on assimilation by,438.thiokol, 270.denite, 165.phyll from, 297.120.Saffron, crocetin in, 303.Salts, hydrated, 221.Sandalwood oil, sesquiterpenes from,terpenes from, 323.Santalenes, 327.Santalols, 327.a-Santalylmalonic acid, oxidation of,317.Santene, 323.Santene glycol, synthesis of, 325.Santenenic acid, 324.Santenic acid, 323.alEoSantenic acid, 324.Fntenol, 323.y-Santenol,” 323.Santenone, 323.Sea anemones, carotenoids from, 304.Sea urchins, carotenoids from, 304.Sebacic anhydride, polymeride of, 267.Selenium, determination and sepam-Selenium dioxide, oxidation in theSensibamine, 350.Sesquiterpenes, 325.327.tion of, 460.terpene series by, 318INDEX OF SUBJECTS.525Silane, explosion limit for oxidationSilicates, structure of, 213.Silicon dioxide (silica), stability offorms of, 215.of, 101.determination of, 467, 483.disulphide, structure of, 209.Silver, nuclear moments of, 16.detection of, 473.determination of, 457.in water, 485.with aluminium, 167.with lithium, 172.with mercury, 176.Silver cyanide, structure of, 188.iodides, structure of, 188, 207.mercury iodide, structure of,nitrate, urea compound, 223.Sisal, structure of, 238.Sodium, ortho-salts of, 158.deterrmnation of, 466.Sodium alloys with caesium, 172.with potassium, 171.with rubidium, 171.Sodium carbonate for analyticalpurposes, 452.hydrogen carbonate, structure of,218.sulphate decadeuterate, transitiontetrasulphide, polymeride fromethylene dichloride and, 270.thiosulphate, standardisation of,454.Sophora JEavescerts, alkaloid from,354.d-Sorbose, conversion of d-fructoseinto, 283.2-Sorburonic acid; 277.Spectra, determination of thermo-dynamic constants from, 66.Silver alloys, 174.188.point of, 47.atomic, 53.electronic, 62.extreme ultra-violet, Lyman con-molecular, diatomic, 53.tinuum k, 63.polyatomio, 83.rotation, 55.vibra tion-ro ta tion, 5 6.Spectroscopy, 53.Spider-crab, astacene from, 300.“Spot ” tests, 471.Stannite, structure of, 209.Star-&h, astacene in, 300.Starch, structure of, 237, 285.oak and walnut, 291.Starch dextrins, 286.Steel, structure of, 201.Stereochemistry, 243.Steric factor, 106.Stilbene, cis-tram-isomerism of, 108.Stilbene, 2 : 4 : 6-trinitro-, action ofStrontium alloys with silver, 174.Styrene, polymerisation of mixturesof p-divinylbenzene and, 261.Sucrose, determination of, 478.~suSucrose, structure of, 273.Sugar, cane-, inversion of, 105.Sugars, structure of, 235.compounds, 277.Sulcataxanthin, 304.Sulphantimonates, structure of, 208.Sulphates, determination of, 467.Sulphides, structure of, 208.Sulphohalite, structure of, 218.Sulphur, structure of, 148.bromine on, 244.with tin, 179.condensation of, with carbonylin water, 482.valency angle of, in diphenylrecovery of, from waste gases, 149.plastic and rhombic, structure of,Sulphur monochloride, structure of,sulphides, 130.225.152.monoxide, preparation of, 150.tetroxide, 151.Surface chemistry, 109.Swedenborgite, structure of, 218.d- and E-Talomucic acids, 277.d-Talose, condensation of, withacetone, 278.Taraxanthin, 300.Telluric acid, structure of, 213.Tellurium, effect of, on properties oflead, 180.Teloidine, 3 3 9.Teresantalic acid, 327.Terpenes, 316.Terrein, 448.Testosterone, 409.2 : 3 : 4 : 5-Tetra-acetyldetermination of, 460.aldehydo-d-galactose, 6-i0do-, action .ofacetic anhydride and zmcchloride on, 275.Tetra-acetyl p-arabinose, rotation of,123.Tetradehydroyohimbine, alkali scis-sion of, 342.6 : 7 : 9 : 10-Tetradeuterostearic acid,48.Tetradymite, structure of, 209.Tetrahydrodicyclohexadiene, 3 15.Tetrahydro -a-dicyclopentadiene, 3 14.Tetrahydroyobyrine, structure of,n- and %ao-Tetrandrines, 353.aayy-Tetraphenylallene, valency340.angles in, 134526 ENDEX OF SUBJECTS.Te t raphenylmethane, structure of,Thallium, determination of, 456, 457.Thallium alloys, 205.with bismuth, 167.with lithium, 172.with magnesium, 175.with mercury, 176.data, 84.226.Thermodynamic constants fromThianthren, dipole moment of, 131.Thiochrome, 402.Thiocyanates, valency angle of sul-phur in, 131.Thiocptis wiolacea, pigment from," Thionalide " as analytical reagent,Thiophen, detection of, 478.Thiosulphurous acid, structure of,Thorium, at.wt. of, 146.Thorium-C, ,%ray disintegration of,33.Tiger lily, xanthophyll from anthersof, 304.Tin, detection of, 472.Tin alloys, 179.with arsenic, 205.with copper, 171, 174.with gold and mercury, 167.with magnesium, 175.spectra, 86.397.456.152.determination of, 460, 462.Titanium, detection of, 472.Titanium alloys with aluminium,Tomato plants, potassium in nutri-Transmutation, nuclear, 19.Trideuteracetic deuteracid, 48.Triethanolamine, nitrogen valencyTriethylene sorbitol, 280.Trimeth ylphtinum chloride, struc -1 : 3 : 5-Triphenylbenzene, structureTriphenylchloromethane, valencyTriphenylmethane, valency angles in,Trithionate ions, structure of, 219.Tritium, 50.Tropan derivatives, 339.Tropinone, 339.Tubocurarine, 351.Tung trees, effect of zinc on " bronz-Tungsten, separation of, 462.Tungsten alloys with iron, 201.Tungsten bronzes, structure of, 188,178.tion of, 438.angle in, 134.ture of, 220.of, 230.anglesin, 134.134.ing " in, 440.211.Uranium, isotopes of, 15.Uranium minerals, separation ofprotoacthiurn from, 144.Urea, structure of, 227.production of, from peptone byrate of formation of, 104.resins from formaldehyde and, 269.determination of, in water, 481.Urinary tract, treatment of infectionsmoulds, 444.of, 425.Vacchcn, constitution of, 272.Valency angles, calculation of, froindipole moments, 126.Vanadium compounds with por-phyrins, 398.Vanadium, determination of, 461.determination and separation of,462.Vanadous ammonium sulphate asanalytical reagent, 461.Vapour pressure of amalgams, 177.Vasicine, identity of, with peganine,333.Vibrators, coupled, theory of, 120.Victoria-blue-BX, 455.Violaerythrin, 304.Violaxanthin, 300.Vitamin-B,, 401.Vitamin-B,, 403.Vitamin-C, 404.Vitamin-D, 405.Vitamin-E, 407.Volumetric analysis, standards for,linear, 121.452.Walden inversion in sugars, 280.Water, structure of, 242.vibration-rotation spectrum of, 61.entropy of, 88.odour and taste of, 479.organic matter in, 481.biological oxygen demand of, 482.analysis of, 479.detection in, of nitrites, 481.determination in, of chlorine, 480.of cyanides, 483.of fluorides, 483.of iodides, 484.of lead, 484.of oxygen, 482.of phenol, 480.of silver, 485.of sulphates, 482.of urea, 481.of zinc, 484.Weighing, 451.Weights, storage of, 451.Whale oil, astmene in, 300INDEX OF SUBJECTS.527Wheat plants, potassium in nutritionof, 438.spring and winter, respiration of,433.Witzschia cbsterizcm, replacement ofpotassium by rubidium in, 439.Xanthophylls, 296.Xylran, structure of, 288.Yeast, growth substance of, 431.Yohimbine, 340.polysaccharides of, 2 9 1.Zertxanthin, 297.Zeolites, structure of, 216.Zinc, isotopes of, 16.effect of, on growth of Aspergilluson diseased plants, 440.catalytic, structure of, 116.determination of, 464.in water, 484.Zinc alloys with aluminium, 204.with copper, 171, 173.with lithium, 204.with magnesium, 199.with nickel, 202.oxide. structure of, 210.Iziger, 442.Zinc chromite, adsorption by, 114.Zirconium, determination of, 460,462London built VACUUM EVAPORATORSIn double and quadruple effect, plus Thermo Re-compression, the world’s mosteconomic system. 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