INDEX OF SUBJECTS.ACETALS, production of, 99.Acetaldehyde, liquid, oxidation of, 44.Acetaldehydes, trisubstituted, re-Acetic acid, ruthenium salts, 76.Acetic acids, bromo-, and iodo-, inmuscle processes and ferment-ation, 260.Acetoacetic acid, ethyl ester, enolisa-tion of, 100.Acetoins, dimeric, 95.Acetone, conductivity in, 338.thermal decomposition of, 99.Acetonitrile, conductivity in, 339.Acetylacetone, enolisation of, 100.Acetylcholine from animal spleen,Acetylene, molecular structure of, 30.Acetylenes, hydrogenation of, 84.Acid, definition of, 51.Acids, conductivity of, in differentsolvents, 343.clibasic, strengths of, 145.glycol esters, polymerism of, 94.carboxylic, strengths of, 145.ethylenic, cis-trans transformationof, 85.fatty, films of, 38.8-oxidation of, 238.as insecticides, 24 1.bactericidal action of, 240.esters, films of, 35.natural, 253.organic, selective oxidation of, 209.detection of, 222.weak, dissociation of, in solution,345.$-Acids, 135.Acrylic acid, a-amino-, formation of,from urea, 248.Actinium-C, velocity of a-particlesfrom, 312.Actinium-SZ, atomic weight of, 315.Actino-uranium,atomic weight of, 3 15.Activation, 20.Adenosine from urine, 26G.Adenylic acid in kidneys, 262.in muscle, 261.Adsorption, 38, 39.arrangement of, 120.detection of, 223.275.polymerisation of, 92.&sculin, structure of, 178.Agate, 295.Alcohols, aliphatic, 96.isomeric, as germicides, 24 1,detection of, 222.Aldehydes, detection of, 222.Aldehydes, hydroxy-, formation ofAldehydopentabenzoyl lucose, 102.Aldobionic acid, crystafline, 109.Aliphatic compounds, 82.Alkali metals, preparation of, 56.nitrides, 58.Alkaline-earth metals, detection of,oxides, 60.Alkaloids, 190.aporphine, 196.ergot, 201.morphine, 197.papaverine, 193.quinoline, 190.strychnos, 199.detection of, 221.from phenols, 139.211.Alkylanilines, rearrangement of, 123.Allenes, enantiomorphiem of, 76 I.Alloys, X-ray analysis of, 205.Ally1 chloride, polymerisation of, 93.Aluminium, disintegration of, byoxide, dehydration and heating of,detection of, 211.determination of, 316.a-particles, 319.62.Alums, 62.Ameletite, 297.Arnidines, isomeric, equilibria of, 12 1.Amines, long-chain, films of, 35.tertiary, detection of, 222.Ammonia, molecular structure of, 30.rBle of, in protein synthesis, 247.detection of, 212.Diammonium arnidopyrophos1,~ia tc,Ammonium :-67.Ammonium t et rat hionnte, 69.Amphiboles, 296.Anacyclus pyrethrum, pungent prin-ciple of, 202.An;7cmia, pernicious, liver ronstituentcurative for, 273.37INDEX OF SUBJECTS.379Analcite, 287.Analysis, conduc tome tric, 209, 22 8.electrolytic, 226.inorganic, 210.microchemical, 208.nephelometric, 226.organic, 221.photo-electric, 209.physical, 225.potentiometric, 209, 227.qualitative, 203, 210, 22 1.quantitative, 213, 223.spectrographic, 226.volumetric, 213.Angostura bark, alkaloids from, 190.Angustione, 166.Anilines, bromo-, nitration of, 134.Antamokite, 294.Anthophyllite from California, 296.Anthraquinone diglucosides, tli-Anthony, explosive, 67.Hexafluoroantimonic acid, salts,Antimony, determination of, 215.Aphis rumicis, toxicity of fatty acids-4porphine alkaloids, 196.Apples, digalacturonic acid from, 251.resistance to disease in, 240.Arachidic acid, synthesis of, 254.Armne, determination of, 224.Argon, solubility of, 55.Aromatic compounds, substitutionArsenic, atomic weight of, 53.Hexafluoroawenic acid, salts, 67.Pyroarsenic acid, and its salta, 67.Arsenic trisulphide, colour of, 67.determination of, 215.Arsenoferrite, 293.Arsinic acids, determination of, 226.Arsinoacetic acid, solubility of, inacetic acid and glycols, 97.Asbestos, 296.Asparagus, reduction of nitrates in,244.Aspergilli, kojic acid from, 235.Atmosphere, ionic, 327.Atoms, free, 47.Atomic weights, 52.Auto-orientation, 137.Azides, determination of, 221.Azobenzene, nitration of, 142.Azo-compounds, thermal decom-Azotobacter, oxygen consumption andhydroxy-, 107.67.to, 241.in, 130.position of, 127.nitrogen fixation by, 242.Bacilli, tubercle, sugars of, 266.Bacillus leprce, action of fatty acidson, 241.Backhusia angustifolia, angustioneBacteria, nitrogen fixation by, 242.Balances, micro-chemical, 208.#-Baptigenin, structure of, 176.Barytes in Great Britain, 301.Bases, cyclic, 190.+-Bases, 136.Begonia semper$orens, metabolism of2 : 3-Benz-$-carboline, derivatives of,Benzene, and its halogen derivatives,vapour, oxidation of, 43.Benzene, nitro-, conductivity in, 339.nitroso-, bromination of, 130.Benzoic acid, esters, substituted,alkaline hydrolysis of, 146.alkyl esters, nitration of, 133.Benzoic acids, substituted, strengthsof, 146.Benzonitrile, conductivity in, 340.Benzophenone, potassamide andsodamide compounds of, 101.Benzophenones, substitution in, 141.Benzoyltoluic acid, chlorohydroxy-,isomerism of, 124.Benzyldiethylsulphoniwn picrate,Benzylidene-m-nitroaniline, nitrationBenzylpyridines, nitration of, 142.Beryl, 296.Beryllium, electrolytic deposition of,59.Bianchite, 301.Bios, 281.Bismuth, determination of, 215.Bismutotantalite, 300.Bis-2 : 3 : 4-triphenyl-6-methyl-Blood, coagulation of, 268.reducing substances of, 267.Boehmite, 295.Bonds, double, stability of, 17.Boron, disintegration of, by a-par-ticles, 320.amorphous, 62.hydrides, 6 1.Boric acid, steam distillation of, 62.complex glycol compounds of,97.from, 166.organic acids in, 246.184.structure of; 30.nitration of, 134.of, 136.determination of, 219.chromenyl, dissociation of, 12 8.B or onbenzene , 6 2.Brassidic acid, configuration of, 84.Bromine chloride, 72.Bulbocapnine, 196.cycZoButanespirocycZobutane- 1 : 1 -di-carboxylic acid, resolution of, 162.Butein, preparation of, 176.da-Butene, production of, 9 1.oxide, volatile, 73380 INDEX OFButin, 176.Butter, carotin and vitamin-A in, 277.isoButylene, polymerisation of, 92.Butylideneacetone, cts- and truns-Cadmium, detection of, 210.determination of, 215.Czsium from carnallite, 57.pentaborate, 58.iodides, 57.Caffeine in plants, 249.Calcium alurriinates, 60.perchromate, 70.determination of, 217.formsof, 101.cis- and truns-Camphonanic acids,amino-, methyl esters, decom-position of diazo-esters of, 151.Cancrinite, 297.Camaicin, 201.~a>sicum- annuum, pungent principleCarbamide. See Urea.of, 201.6 - Carbamidovaleric acid, a-amino -,from water melons, 250.Carbohydrates, 102.Carbolines, nomenclature of, 183.Carbon, isotopes of, 305.balance sheets, 229.tetrachloride, molecular structure of,fluorides, 63.monoxide, structure of, 63, 129.cathodic combustion of, 49.oxidation of, 47.oxygen, 46.production of, 64.test-papers for, 212.Carbopyridinecyanines, 187.Carborundum, preparation and useof, 286.n 2 - Carb o x yphen y 1 sulphi de ,stereoisomeric derivatives of,149.Carnallite, 292.rubidium and czsium from, 67.Carotene.See Carotin.Carotin, structure of, 167.and vitamin-A, 276.Carotinoids, determination of, 224.Cassiterite, 294.Catalysis, 51.Catalytic dehydrogenation, 184.Catechol, determination of, 225.Cathodes, accessible area of, 37.Wood's metal, 226.Cells, electrochemical, conductivity,photo-electric, use of, in analysis,31.disulphide, combustion of, inCarbonyl chloride, and thio-, struc-ture of, 31.e t h y 1336.209.Cellobid, 108.IUB JECTS .Cellulose, structure of, 33.Cenosite, 298.Cerebrosides, determination of, 224.Cerium :-Ceric sulphate, use of, in analysis,degradation of, 112.209.Cerotic acid, synthesis of, 254.Chalcocite, 293.Chalcopyrite, 284, 293.Charcoal, adsorption by, 37, 39.Chelidonine, structure of, 195.Chemical change, 18.Chlorine, atomic weight of, 53.and its oxides, molecular structurephotochemical reaction of, withreaction of, with ozone, 43.fluoride and dioxide, 72.dioxide, thermal decomposition of,43.Hydrochloric acid, concentrationof, in non-aqueous solvents, 72.Perchloric acid, conductivity of, invarious solvents, 344.Chlorophyll, determination of, 224.Choline, determination of, 224.isoChondodendrine me thy1 ether,structure of, 194.Chromium, isotopes of, 307.Chromic compounds, complex, 70.Chromium, determination of, 216.uZZoCinnamic acid, photochemicalisomerisation of, 47.Citric acid from moulds, 231.determination of, 224.Citrinin from Penicillium citrinum,231, 237.Citromycetes, citromycetin from, 236.Citromycetin, 237.Clays, 290.Japanese acid, 299.Coal, origin of, 303.Cobalt, allotropy of, 60.bases (cobaltammines), molybdateschloride, colour changes of, 75.determination of, 217.of, 31.hydrogen, 43.of, 75.Cocculus laurifolius, coclaurine from,Coclaurrne, 193.Colloids, electrophoresis of, 330.Co-ordination, 54.193.compounds, stereoisomerism of,sulphate, hydrated, dehydration of,electro-analysis of, 226.determination of, 214.Copper ores in Alaska, 293.of Rhodesia, 284.163.Copper bases, 58.58MDEX OF SUBJECTS.381Corrosion, 55.Corundum, preparation and use of,286.Corydines, 196.Corytuberine, 196.Cotton plants, movement of nitrogenin, 248.a-Crocin, sugar of, 109.Crotylidenemalonic acid, ethyl ester,bicyclohexane derivative from,88.Curtisite, 292.Cyanogen :-of, 64.Cyanides, non -me tallic, hydrolysisdetermination of, 220.isocyanides, structure of, 63, 129.isocyanines, 186.+-Cyanines, 186.Cyclic compounds, stereoisomerismof, 155.Cystine, determination of, 224.Daphnin, structure of, 177.Dauricine, 194.Debye-Huckel theory, 327.8-Decalin-2 : 2’-diacetic acid, 161.trans-Decalin-p-spiroc yclopropane, de-rivatives of, 155.Decalin-8- spirocyclopropane- 1 : 2 - di-carboxylic acids, 161.Decalin-/3-spirans, 160.Decoic acid, hydroxy-, polymeris-ation of, 95.Dehrnite, 300.Dehydroangustione, 166.Delphinin chloride, preparation of,172.Deltaite, 300.Dennisonite, 300.Dextrose, determination of, 225.as-Diacetylbutane, stability of, 152.Diacetylenes, conjugated, 90.Dialkylxanthyls, velocity of dissoci-Diamond deposits, 292.Diarylthioncarbonates, rearrange.Diastereoisomerism, 163.Diazo-compounds, optically active88-Dicarboxypentadecoic acid, hydrDichromenyls, trisubstituted, 126.Dickite, 299.Dictamnal, 190.Dictamnic acid, 190.Dictamnine, 190.Diethylenediaminediaquocupric saltsDiffraction of electrons, 12.ation of, 127.saw, 285.ment of, 120.150.oxy-, lactone, 237.163.ligitoxose, 106.siro-5 : 6-Dihydantoin, rotation of,: 2-Dihydropapaverine, synthesis of,: 4-Diketones, unsaturated, reduc-2 : 13-Dirnethoxyisoindenoquinolinc,)imethylacetal, hydrolysis of, 51.a-Dimethylbutadiene, constitutionof, 86.Xmethylpyruvic acid, enolisation of,101.Xmethylsulphonium fluorenylidide,151.liphenyl, and its derivatives, nitra-tionof, 139.Xphenyl, 2-amino-, p -toluenesul-phony1 derivative, nitration of,136.Iiphenyl ether, and its derivatives,nitration of, 141.Diphenyl series, orientation in, 139.Diphenylarshe oxide, determinationDiphenyl-tert.-butylmethyl, 125.Diphenylchloroarsine, determinationzs-Diphenylethylene, polymerisation2 : 6-Diphenylpenthian-4-ones, 180.Diphenylphenylethhylmethyl, 125.Disaccharides, 108.Dissociation constant, 345.Dithian, oxidation of, 157.1 : 3-Dithian, 180.1 : 3-Dithiolan, 180.Drugs, detection of, 22 1.Drying, in$ensive, 53.162.192.tion of, 178.187.of, 225.of, 225.of, 91.Earths, rare, sulphides of, 63.Ekatantalum, analysis of, 212.Electric discharge, chemical reactionsin, 49.Electrical conductivity , measurementof, 336.a t high frequencies and highelec tromo tive forces, 3 33.of solutions, 325.of non-aqueous solutions, effectof added water on, 353.equivalent, formula for, 345.Electrodes, capillary, 209.Electrons, diffraction of, 12.theory of radiationless transfer of,and protons, ratio of masses of, 324.Electrophoresis, 330.Elements, light, disintegration of,Energy of activation, 2 1.26.by a-particles, 3 18382 INDEX OF SUBJECTS.Englishite, 300.Ephedrines, 200.Equation, Debye and Huckel’s, 330.Onsager’s, 33 1.Schrodinger’s wave, 13.Equilibria in various systems, 77.Ergosterol, irradiation of radiationErgotamine, 201.Ergotaminine, 201.Ergotinine, 20 1.Ergotoxine, 201.Erio-glaucin A, 210.Erucic acid, configuration of, 84.Esters, hydrolysis of, 51, 146, 147.addition reactions of sodium deriv-Ethane, tetrachloro-, conductivity in,Ethyl, free, 125.Ethyl alcohol, conductivity in, 338.Ethylene, adsorption of, by glass, 39.dichloride, and s-dichloro-, con-Ethylenes, thermal decomposition of,9 -E thyloc tahy drocarbazole, 1 82.Ethylquinolinium bromide hydro-bromide, 8-amino-, action ofsodium hydroxide on, 188.Euclase, 296.Europium, separation of, 63.products of, 279.atives of, 87.341.ductivity in, 341.82.Fast green A, 210.Felspars, 298.286.Fermentation, alcoholic, 263.Films, 34.Fine-structure constant, 323.Flavones, preparation of, 173.Flavonols, acid reduction of, 175.Fluorescein, dichloro-, as indicator,213.Fluorine, preparation and physicalconstants of, 71.oxidation with, 72.Hydrofluoric acid, acidium saltsof, 71.Fluorides, action of, on muscle, 260.Hydrofluoboric acid, determinationof, 220.Hydrofluosilicic acid, determin-ation of, 220.Fluorine, detection of, 212.Formaldehyde, molecular structureof, 30.Formic acid, detection of, 223.Formula+ physical, 290.Fraxin, structure of, 178.Fructofuranose, gem-dialkyl deriv-atives of, 102.action of water on, when ground,Fructose. See LZWU~OS~.Fruit juices, acidity of, 209.cpiFucose, 102.Biiloppite, 294.Pumago vagans, polysaccharide from,Fumaric acid from moulds, 232.Fungi, classification of, 230.Purfuraldehyde, production of, from234.furan, 179.d-Galactose, gem-dialkyl derivativesof, 102.Gallium salts, 62.Garnet, 297.Gases, adsorbed, magnetic susceptib-ility of, 38.Gentiobial, 108.Germanam, 65.Germanium compounds, 65.Geronic acid, 168.Gillespite, 297.Globulin, muscle, 256.Glucal, 108.d-Glucoheptulose, 102.Glucomannan from kon j alr powder,109.Gluconic acid, production of, fromglucose, 23 1.Glucosides, synthetic, 107.Glutathione, 254.j3-Glycerides, constitution of, 96.Glycogen, enzymic hydrolysis of,Glycogesan, 263.Glycols, complex compounds of boricacid and, 97.a,!?-Glycols, rearrangement of, 1 19.Gold, molecular weight of, 59.mineral deposits of, 292.adsorption of gases on, 38.Aurous chloride carbonyl, 59.263.from Aspergillus, 234.Gold, separation of, 219.Gordonite, 300.Grass, pasture, nutritive value of,Guaiacol carbonate, determination of,Gypsum in New York, 301.240.225.Hzemocyanin, 270.Hzemoglobin, coagulation of, 268.Hafnium, preparation and propertiesof, 65.Halides, determination of, 213.Halogens, determination of, in or-ganic compounds, 207.Hamamelose, 106.Hamaline, 183.Harman, structure of, 183INDEX OF SUBJECTS.383Harmine, 184.Heat of activation, 18.Helium, scattering of a-particles in,solubility of, 55.Helix pomatia, oxyliaernocyanin of,Hemicelluloses, 252.Hepta-acetyl chloromaltose, 104.Heterocyclic compounds, 17 1.substitution in, 142.Hexa-acetyl biosan, 113.Hexabromoselenous acid.See underHexacarbamidochromic salts, 70.Hexafluoroantimonic acid. See underHexafluorophosphoric acid. See underHexaphenylethane, dissociation of,da-Hexene, production of, 91.Hexosephosphatase, action of di-sodium arsenate on, 264.cycZoHexylbenzene, and its p-halo-geno-derivatives, nitration of,138.Homocyclic compounds, 114.Hormone, female sexual, 271.Hydrazine, formation of, 66.Hydrazyl radicals, free, stability of,Hydrindene, structure of, 131.Hydriodic acid.See under Iodine.Hydrocarbons, polymerisation of, 9 1.pyrolysis of, 82.and their derivatives, oxidation of,coloured, colour and constitutionHydfochloric acid. See under Chlor-Hydrofluoboric acid. See underHydfofluoric acid. See under Fluor-Hydrofluosilicic acid. See underHydrogen, wave mechanics model of,a- and /3-forms of, 55.atoms, reflexion of, from crystals,photochemical reaction of, withreaction of, with oxygen, 45.atomic, action of, on organic com-para-, thermal transformation of,disulphide, pure, preparation and321.271.Selenium.Antimony.Phosphorus.127, 128.128.44.of, 90.ine.Fluorine.ine.Fluorine.17.12.chlorine, 43.pounds, 84.49.detection of, 213.constants of, 69.Hydrogen ions, 50.Hydrogenation, 84, 87.Hydromanganicyanic acid, potassiumsalt, 73.Hydroplatinocyanic acid, lithium salt,76.Hydrovanadocyanic acid, potassiumsalt, 68.Hydroxyl ions, 50.Hypervitaminosis, 279.Hyposulphites.See under Sulphur.transport number of, 348, 351.determination of, 227.Ilex paraguuriensis, caffeine in, 249.Indicators, 210,213.Indium, determination and separationof, 218.Indole derivatives, 182.Insecticides, fatty acids as, 241.Inulin, 110.Iodine, distribution of, in nature, 302.fluoride, 72.Hydriodic acid, heat of activationof formation and decomposi-tion of, 18.heats of activation and dissoci-ation of, 47.Ions, mobility of, 345.effect of ionic atmosphere on,328.table of mobilities of, 350.solvation of, 351.Ionic radii, 289.Ionium, half-period of, 310.Iron, and its alloys, corrosion andpassivity of, 65.reactions of, 74.tetmcarbonyl, 74.Iron ores, siliceous, of M e Superior,Isoprene, reductive polymerisation of,sulphur dioxide compound of, 90.Isotopes and mass spectra, 305.separation of, 52.286.88.Jasper, 296.Kaolinite, 299.Ketals, production of, 99.2-Keto -3 : 4 - dimethyl-1 : 2 - dihydro-quinoline, action of sodium amal-gamon, 189.5-Ketohexahydro-a-quinidenes, reduc-tionof, 189.Ketones, enolisation of, by organo-magnesium halides, 100.condensation of, by hydrogenchloride, 101384 INDEX OFKetones, aliphatic, OG.detection of, 222.I-Ketorhamnonic acid, detection of,Kidneys, adenylic acid in, 262.-Kinetics, chemical, 41,Kojic acid, 235.Krypton, isotopes and atomic weightof, 308.223.constants of, 65.Lactal, 108.Lactic acid, formation of, in contract-d-Lactulose, 109.Laevulose, determination of, 225.Landesite, 300.Lead perchlorate, 66.hydride, 56.tetraethyl, determination of, 224.detection of, 210.determination of, 215.Leaves, chlorosis of, 240.green, protein synthesis in, 247.Lechatelierite, 294.Lehiite, 300.Lewistonite, 300.Lichenin, 110.Lignoceric acid, synthesis of, 254.Lirnulus, haemocyanin of, 270.Linnaeite, 284.Liquids, organic volatile, identific-ation of, 206.Lithium, determination of, 219.Lithium ions, transport number of,348.Liver, constituent of, curative ofpernicious anaemia, 273.Luteic acid, 234.Luteolin methyl ether, synthesis of,171.Lycopene, 1 6 7.ing muscle, 259.Magnesium, molecular weight of, 59.carbonates, 60.detection of, 211.determination of, 217.Magnetite, 296.Mrtlic acid from moulds, 233.Malondialdehyde, bromo-, acid char-acter of, 101.Malonic acid, esters, substituted,alkaline hydrolysis of, 153.Manganese dioxide, preparation of,73.oxides, occurrence and uses of,295.Mangmduorides, complex, 73.Manganese sulphide, colour changesdetermination of, 217.of, 73.&B JECTS.Maniiitol, production of, from glucose,from moulds, 233.Mass, theories of, 324.Melibiose, 108.Meniepermum dauriczim, dauricin efrom, 194.Mercaptans, detection of, 222.Mercury, isotopes of, 308.fluorescence of mixtures of wat,ervapour with, 25.ammines, 61.detection of, 210.determination of, 215.in air, 225.55.231.Metals, corrosion and passivity of,Metathebainone, 197.Meteorites, 304.iron, age of, 321.Methane, nitro-conductivity in, 338.Methyl, free, 125.Methyl alcohol, conductivity in, 337.vapour, oxidation of, 43.detection and determination of, inpresence of ethyl alcohol, 224.Methylacetylene, polymerisation of,92.Me thylation, exhaustive, 143./?-Methyl-dP-butene-as-sulphone, 90.5 : 6-Methylenedioxyisatin, ring fis-sionof, 182.Methylfuran, chloro-, action ofpotassium cyanide on, 178.a-Methylmannofuranoside, 103.9-Methyloctahydrocarbazole, 182.Mica, determination of water in, 214.Michael reaction, 85.Microscopy, preparation of mineralMigratory aptitude of groups, 118.Millisite, 300.Mineragraphy, 283.Mineral springs.See under Water.Minerals, elasticity of, 287.carbonate, 301.phosphate, 300.sulphate, 301.sulphide, 293.stability of, 15.spontaneous transformation of, 25.isotopes of, 307.compounds, complex, 70.carbide, superconductivity of, 54.detection of, 212.Molybdenurn-blue, 70.12-Molybdogermanic acid, 65.Monosaccharides, determination of,Xontanic acid, synthesis of, 254.sections for, 285.Molecular dissymmetry, 16 1.Molecules, structure of, 28.Molybdenum, atomic weight of, 53.226INDEX OF SUBJECTS. 385Moonstone, 298.Morphine alkaloids, 197.Mosaic disease, 240.Moulds, metabolism of, 229.Nud, of lakes and sea, analyses of,of Lake Geneva, carbonates in,depression of freezing point of, 268.contraction of, 266.formation of lactic acid in, 259.adenylic acid in, 261.synthesis of phosphagen in, 261.pyrophosphate in, 264.303.301.Muscle, double refraction of, 258.Nacrite, 299.Naphthdenesulphonie acids, beryll-ium salts, 69.1 : 4 -Naphthaquinonephen ylhydr -azone -N-carboxylic acid, esters,rearrangement of, 123.iso-S-Naphtgol sulphide, constitutionof, 122.Narcissw, paper-white, reduction ofNeon, constants of, 55.Nephelometry, 226.Nerves, influence of acetylcholine on,Nickel bases (nickela.nz??zims) withNickel carbonyl, vapour pressure of,Nicotine in tobacco leaves, 250.Niobium, and its carbide, super-nitrates in roots of, 244.276.thiosulphate, 73.Nickelic acid, salts, 76.76.detection of, 211.determination of, 224.conductivity of, 54.boride and hydride, 68.determination of, 219.Nitration, 132.Nitriles, detection of, 222.Nitrogen, atomic weight of, 62.isotopes of, 305.stereochemistry of, 166.fixation of, by bacteria, 242.active, 48, 66.trifluoride, melting point of, 71.mom- and di-oxides, molecularstructure of, 30.peroxide, equilibrium of, with nitricoxide and oxygen, 24.Nitrates, reduction of, in plantdetermination of, 221.Nitrous acid, nitration with, 132.Nitrites, detection of, 212.determination of, 221.Nitrogen, determination of, by micro-Dumas method, 208.roots, 244.REP.-VOL.XXVII.Nitrosyl perchlorate, 66.position of, 23.Nitrosylsulphuric acid, 67.Nontronite, 300.Norephedrines, 200.Nornicotine, 180.Nucleic acid, animal, sugar of, 266.chloride, photochemical decom-Octahydrohept,aquinolines, 16 1.Octahydronaphthalenes, 169.Octane, p-nitro-, optically active,Octopus, Imemocyanin of, 270.da-Olefhes, preparation of, 83.Olivine, 296.Onion, fungal disease of, 239.Oranges, arabinogalacturonie aridfrom, 251.Ores, sulphide, of Ontario, 284.Organic compounds, elementaryanalysis of, 223.Orientation, rule for, 130.Osm+n, separation of, from ruthen-ium, 219.Ovomucoid, polysaccharide of, 267.Oxalic acid from moulds, 231.alkali ceric salts, 63.ethylene ester, polymerism of, 94.determination of, 224.Oxides, hydrated, 60.Oxygen as atomic weight standard,150.310.isotopes of, 62, 305.boiling point of, 68.reaction of, with hydrogen, 45.difluoride, 7 1.Oxyhcemocyanin, 27 1.Ozone, molecular structure of, 30.action of ammonia on, 68reaction of, with chlorine, 43.Parachlorals, stereoisomeric, 155.Paraffins, action of heat on, 82.long-chain, structure of, 33.cycZoParaffins, 152.a-Particles, velocities of, from radio-active substances, 312.artificial disintegration by, 3 18.scattering of, in helium, 321.bombardment of radioactive sub-analysis of groups of, 313.Passivity, 55.Pectic acid, structure of, 250.Pectin, alkaline hydrolysis of, 252.Pectolase, 253.Pepatites from Alaska, 293.Pellitorine, structure of, 202.PeniciUium citrinum, citrinin from,stances with, 3 11.231, 237.386 INDEX OF SURJECTS.Penicillium digitaturn, polysaccharidefrom, 234.Pemicillium h&um, mucilage from,234.Penicillium sp’culisporum, fatty nci dfrom, 237.Penicillium sp.nulowm, ooloured suh-stance from, 237.Penta-acetyl galactose, 102.Penta-acetyl glucose, 102.d8-Pentene, isomerism of, 84.Penthianols, isomeric sulphoxides of.Penthian-4-one, preparation of, 180.Penthienoindole, 186.Pentosuria, sugar of, 265.2-cycloPentylcyclopentano1, clehydrrt-tion, of 160.Perchloric acid.See undw Chlorine.Periclase, preparution and use of, 28fj.Perisporacece, pectolase from, 253.Persulphates. See under Sulphor.Petrology, 287.Pharmaceutical compounds, detec-tion of, 221.Phenacylbenzyldimeth ylammoni urnsalts, rearrangement of.12%.Phenanthraxanthone, 1 O-hydroxy -,preparation of, 179.Phenols, nitration and nitrosation of,132.Phenyl ally1 sulphide, rearrange-ment of, 123.2-Phenylbenzopyrylium salts, nitra-tion of, 134.Phenylbenzyl-n-butylamine, nitratioi Jof, 135.Phenylboric acid, nitratioii of, 133.Phenylborine, 62.Phenylbromocyanonitromethane,nitr -ation of, 135.Phenyldibenzylamine, nitration of,135.Phenylnitromethane, nitration of,135.a-Phenylpropyl alcohol, ,&nitro-, re-duction of, 201.Phenylpyridines, nitration of, 142.2-Phenylquinolinium salts, nitrationPhenyl - p - tolylmethyltelluroniumPhloretin, structure of, 176.Phloridzin, constitution of, 177.Phomnidium antiquunr, 292.Phosphagen, 260.Phosphorus, atomic weight of, 52.trihydride, oxidation of, 46.trioxide, vapour pressure of, 67.Hexafluorophosphoric acid, and itsPhosphoric acids,esters, in alcoholic157.of, 134.salts, 150.salts, 67.fermentation, 263.Photometer, reflexion, 285.Phytol, structure of, 169.Pinacol-pinacolin rearrangement, 1 14.Pinua spine4 mginine in, 250.Plants, alkaloids and bases in, 249.r61e of ammonia iri metabolism of,carbohydrates in, 260.determination of p~ in, 209.nitrate reduction in roots of, 244.iiitrogen exchange in, 248.nitrogen starvation of, 248.nitrogenous metabolism in, 242.pathology of, 239.Platinum compounds, co-ordination,diarsenide, 76.diethyl sulphide clichlorides, 164.Pneumococcus, polysaccharide of, 267.soluble specific substance from, 235.Polar effects, 143, 147.Polarimet er, 225.Polonium, range of a-particles from,312, 314.separation of, from radium pro-ducts, 219.Polynierisatioii, 91.Polysaccharides, 1 10.from moulds, 234.Potassium, atomic weight) of, 52.half-period of, 310.pentaborate, 58.nitrite, complex salts of, 57.perrhenate, 73.trithionate, 69.detectioii of, 211.determination of, 218.245.164.Potato, leaf-roll disease of, 240.Praseodymium ammonium sulphate8,Pre-dissociation, 23.Primetin, structure of, 172.Prirnula modesta, prirrfetin from, 172.Propiophenone, oxmino-, reductionP-cycloPropylpropene, constitution of,Proteins, synthesis of, in plants, 247.63.of, 201.86.dispersion of, in solution, 34.coagulation of, 268.determination of, 224.Protoactinium, atomic weight of,extraction of, and its pentoxide,Protons and electrons, ratio of masses2 : 3-Pyrrolo-(4’ : 5’)-quinolines, 185.315.68.of, 324.Quantum mechnics of chemical forces,11.Quartz, 296INDEX OF SUBJECTS.387iso&uinicine, 19 1.iaoQuinidine, 19 1.Quinol, determination of, 225.Quinoline alkaloids, 190.derivatives, 186.Quinolines, reduction of, 189.Radicals, free, 125.Radioactive constants, 3 10.disintegration, theories of, 26, 3 17.Radioactivity, 305.Radium, number of a-partidesRadium-C’, velocity of a-particlesRadium-C’ and -D, half-periods of,Ramdohrite, 894.Rays, cosmic, 32%.emitted by, 3 11.from, 312.310.salts, solubilities of, 60.long-range particles from, 414.Rontgen, structure determinationby means of, 33, 54, 287.we of, in analysis, 204.Reactions, chain, 4 1.elimination, 143.Red salt, 292.Z - Rhamnonolac tone, 1 0 3.Rhamnose, determination of, 265.Rhenium, atomic weight of, 53.Per-rhenates, preparation and de-Rhodium compounds, 76.Rhubarb, nitrogenous metabolism in,Rings, formation and stability of, 151.Rivanol, determination of, 224.Rocks, elasticity of, 287.beryllium silicate, micro-analysis of,Kock salt of Southern Persia, 293.Rotation, optical, 149.Ruberythric acid, 108.Rubiadin glucoside, 108.Rubidium from carnallite, 57.half-period of, 310.pentaborate, 58.chloros tannate , 2 1 9.Huthenim, superconductivity of, 54,compounds, 76.separation of, from osmium, 219.termination of, 73.246.208.Samarium trichloride and &iodide, 63.Sanidine-anorthoclase, 298.Santdurn album (sandal), spikedisease, of 239.Santonin, structure and derivativesof, 169.Sapphirine, 297.Sercoshediethy lenedittmineco baltsalts, 166.Scammonin, sugar of, 109.Scarotite, 297.Scutellarein tetramethyl ether, s p -Sea-water.See under Water.Seamanite, 30 1.Selenium tetrachloride, preparationHexabromoselenous acid, 69.determination of, in organic com-Selenocyanates, nitration of, 132.cycZoSelenohexane, 18 1.Selenonium salts, enantiomorphous,cycZoSelenopropane, 18 1.1 : 4-Selenoxan, 181.Silicon dioxide (silica), physical pro-thesis of, 174.and constants of, 69.pounds, 207.150.perties of, 287.hydrates of, 64.determination of, 220.Silicates, structure of, 287.mineral, 296.detection of, 213.Sillimanite, 287.Silver halides, solubilities of, 58.Silver ions, transport number of, 348,349.Sinactine, 196.Sinomeniuin acutum, sinactine from,196.Skirnmia japonica, skimmianinefrom, 191.Skimmiarepens, dictamnine from, 190.Skimmianine, 19 1.Sodium, vapour density of, 56.compounds, 56.chloride. See Red salt arid HockpoZysulphides, 57.tetrathionate, 69.determination of, 218.salt.Soils, determination of potassium in,Solids, mobility of adsorbed mole-Solutions, electrical conductivity of,Solvation of ions, 351.Soya beans, soluble nitrogen in leavesof, 249.Spectra, band and continuous, 22.infra-red and ultra-violet, in rela-tion to molecular structure, 28.mass, and isotopes, 305.molecular, and chemical change, 2 1.5pilantho1, structure of, 202.Spinach, blight disease of, 240.Spinels, 62, 291.Spiram, 161.Spleen, horse and ox, acetylcholine205.cules on surfaces of, 36.325.aqueous, viscosity of, 335.from, 275388 INDEX OF SUBJBUTS.Squalene, 169.Stahkrite, 296.Starch, potato, constituente of, 11 1.determination of, 225.Stereochemistry, 149.Strychnine, structure of, 199.Strychnos alkaloids, 199.Strychol, structure of, 199.Substitution, o-p-ratio in, 137.in aromatic compounds, 1 30.Succinic acid from moulds, 231.Sucrose, synthesis of, 109.Sugar dicarbonates, 102.Sugars, detection of, 223.SuIphones, decomposition of.144.Sulphonium mercuri-iodides, optic. -ally active, 149.Sulphosides, isomerism of, 157.Sulphur, atomic weight of, 53.compounds, stereochemistry of,hczafluoride, preparation and pro-Sulphates, determination of, 220.Hyposulphites, structure of, 69.Persdphates as standard oxidisirig149, 165.perties of, 69.detection of, 213.detection of, 213.Superconductors, 54.Surfaces, chemistry of, 34.Systems, equilibria in, 77.agent, 220.Talc, effect of heating on, 286.Tantalum, atomic weight of, 53.boride, 68.carbide, superconductivity of, 64.determination of, 219.Tartaric acid, determination of, 224.Tea plant, xanthine in leaves of,Tellurium, melting point and parachortetrachloride, preparation and con-Telluric acid, preparation of, 70.Tellurides, characteristics of, 284.Tellurium, determination of, in or-Tetra-acetyl 2-arabinose, 102.‘J’etra-acetyl methylmannoside, y-form1 : 1 : 4 : 4-Tetra-aryl-2 : 3-dibenzoyl-Tetraethylammonium picrate, mob-Tetragalacturonic acids, 253.Tetrahydroharman, 184.cis -Tetrah ydroselenophen- 2 : 5 - dicarb -oxylic acid, 181.T e traine thy1 - a8 -dime t y lbutane , 1 6 2.Tetramethylmannofuranwe, 103.249.of, 69.stants of, G9.ganic compounds, 207of, 104.tetrazanes, 128.ilities of, 349.2 : 3 : 5 : 6-Tetramethylpiperazines,urlyy-Te traphenyl-db- butene, 9 1.Tetraphenyldi-8-naphthylethane, dis-Tetraphenylethane, derivatives of,Thallium, allotropy of, 60.189.sociation of, 128.126.determination of, 209, 226.separation of, 219.‘l’hebainone, 197.l‘heobromine in plants, 249.Thiocarbocyanines, 187.Thiocyqnates, nitration of, 132.determination of, 219.Thiocyanines, 186.Thorium, range of a-particles from,nitrates, 66.Thorium-(?’, velocity of a-particlesfrom, 312.(-Threose, 102.Thyminose, 265.Thyroid, E-thyroxine from, 274.I-Thyroxine from thyroid, 274.Tin antimonide, structure of, 54.Titanium, and its nitride, super-312.long-range particles from, 314.detection of, 210.vonductivity Qf, 54.di- and tri-bromides, 64.determination of, 216.Tobacco plants, nicotine in, 250.nitrogen starvation in, 248.p-Toluenesulphonic acid, berylliumTolyl thioeyanates, Iiitretiori of,Torpedo, phosphagen in electric organTransport numbers, 346, 348.‘I’rehalose, 108.Triacetaldehydes, trithio-, 159.Triacetyl methylrhmnoside, y-formsof, 104.Triarylbenzenylamidines, rearrange-ment of, 121.Trimethylenedithiocmbonic acid.methyl ester o-carboxyphenyl-hydrazone, resolution of, 182.salt, 59.138.of.261.Trirnethyl-lyxofuranose, 103.Trimethyl-lyxofuranoside, 103.2 : 3 : 4-Trimethylrhamnonolaceto1i~.1 : 3 : 3-Triphenylhydriridene, 91.Triphenylmethyl, formation of, 127,2 : 4 : O-Trisdichloromethylone-1 : 3 : Fi-trithian, 156.Trithian oxides, 158.Trypaflavin, determination of, 224.Tungsten, isotopes of, 307.103.Heteropolytungstates , 7 I.Paratungstates, 70INDEX OF SVBJECTS. 389Tungsten, detection of, 212.12-Tungstogermanic acid, and itsBeparation of, 219.salts, 65.Ultramarine, 287.Unsaturated compounds, photobrorn-Uranium :-Uranyl fluoride, doiible salts ofination of, 47.organic bases and, 71.Uranium, determination of, 218.Urea, manufacture of, 64.Urine, sugar in, in peiitosuria, 265.human, adenosine from, 266.Valency, defloxion hypothesis of, 162.Valves, thermionic oscillator, 336.Vanadium, atomic weight of, 53.nitride, superconductivity of, 64.detection of, 212.Veratrylnorhydrohydrastine, sup-posed, constitution of, 197.Vinyl chloride, polymerisation of, 93.Violarite, 294.Viscosity of aqueous solutions, 335.Vitamins, 276.Vitamin-A and carotin, 276.Vitamin-B, complexity of, 280.Vitamin-D, 277.Walclen’s rule, 341).Water, molecular structure of, 29.conductivity in, 336.Water, ionic product of, SO.adsorption of, by surfaces, 39.activity of, in benzene, 53.conductivity, still for production of,Sea-water, analyses of, 303.Spring and mineral water, analyeesWater, analysis of, 209.Water-melons, new base from juiceWines, determination of acidity in,Wollastonite - anorthits - pyroxene,Wormseed, santonin from, 169.68.of, 301.of, 250.209.285.Xenon, isotopes and atomic weightof, 308.melting point of, 55.Yeast, phosphoric esters in, 264.Yellows disease, 240.Ytterbium, separation of, ti3.Zinc hydroxide, crystallography of,81.detection of, 210, 211.detection of impurities in, 204.determination of, 217.determination of cadmium, iron,and lead in, 205.Zirconium, preparation of, 66.dioxide, structure of, 54.determination of, 219