INDEX OF SUBJECTSh I E T I C ACID, StI'UCfWe Of, 125.Acetaldehyde, ultra-violet absorp-action of fused dkali hydroxidesAcetanilide, chloro-, action of hydro-Acetic acid, effect of catalysts onchlorination of, 84.copper salt, action of hydrogen on,ethyl ester, hydrolysis of, 35, 334.Acetic anhydride, reducing action of,84.Acetins, 89.Acetoacetic acid, trifluoro-, and itsAcetobromoglyceraldehyde, 64.Acetone, enolisation of, 62.tion spectra of, 62.on, 61.chliric acid with, 333.vapour pressure of, 38.43.ethyl esters, 90.vapour, decomposition of, 325.and dihydroxy-, determination of,dz'hydroxy-, properties of, 64.213.in diabetes, 263.Acetylmethylcarbinol, determinationAcids, aliphatic, 84.of, 212.isomerism of, 95.fatty, crystal structure of, 291.@-unsaturated, preparation of, 86.+Acidity, 106.Aconite alkaloids, 189.Aconitines, 190.Acrimoniellu, 220.Adenylic acid, 256.Adhntoda vagiea, vasicine in, 194.Adipic acids, anhydrides of, 84.Adsorbents in photosynthesis, 227.Btiohsmins, 271.Btioporphyrin, 270.Akuamma seed, alkaloids of, 194.Akuammine, 194.Alcohols, aliphatic, 61.Aldehydes, aliphatic, 61.colour reactions of, 210.determination of carboxyl groupsin, 212.Aleuritic acid, oxidation of, 85.Algze in soils, 225.Alkali cupric chloride dihydratee,metals, crystal structure of, 281.sulphates, isomorphom, 288.Alkaline-earth perchlorates as de-hydrating agents, 200.metals, separation of, 206.Alkaloids, aconite, 189.ipecacuanha, 174.morphine, 173.iaoquinoline, 168.detection of, 210.283.Alkoxides, metallic, compounds ofaldehydes, ketones, and esterswith, 92.Allantoic acid, determination of, 213;Allenetetracarboxylic acid, ethylester, 93.Allotropy and inner equilibria, 21.Alloys, crystal structure of, 278.Aluminium compounds, opticallyactive, 103.hydroxide, crystalline, 42.scaly, 49.detection of, 198.determination and separation of,203.separat.ion of, from beryllium, 206." Aluminon," reactions of, withAlumino-oxalic acid, salts, 296.aluminium salt, 103.Alumino-silicates, 295.Alums, crystal structure of, 284.Ambrettolic acid, 89.Ambrettolide, 89.Amides, detection of, 209.Amines, detection of, 209.Ammonia, formation of, in theelectric discharge, 317.photochemical reactions with, 228.decomposition of, 336.Ammoniojarosite, 311.Ammonium chloride, dried, vapourmetallic hydroxides, 199.in muscle, 257.pressure of, 38.ions, stereoisomerism of, 102.nitrate, stability of, 19.salts, aromatic, substitution in, 149.Analysis, electrochemical, 215.35358 INDEX OF 9UBJECTS.Analysis, inorganic, 196.organic, 209.physical, 214.spectroscopic, 215.ation of, 187.volumetric, 200.Aniline and its homologues, mercur-Anthrardic acid, geranyl ester, 92.Anti-knocks, 30, 32.Anthony trichloride, diazoniumpentachloride, structure of, 106.oxides, 55.detection of, 197.determination of, 215.determination and separation of,Apples, growth of, 242.storage of, 232.Apple trees, nitrogenous metabolismstarch in, 230..Aramayoite, 303, 311.Arfvedsonite, 300.Arginine, determination of, 213.Argon, atomic weight of, 40.Arsenic, glow of, 55.compounds of, 186.203.of, 230.henates, determination of, 208.Arsenites, determination of, 208.Arsenic organic compounds, 182.determination of, in organic com-Arsinic acids, 182.2-Aryl-as-naphthatriazoles, oxidationof, 177.AspergilZuR niger, production of acidsby, 222.Atomic nucleus, 11.weights, 40.Atoms, fundamental numbers of, 12.radiomtive.See Radioactiveatoms.Aurintnwboxglic acid. See “ Alu-minon.”2 - Aurothiol- 4(or 5) - methylglyox -aline-5(or 4) carboxylic acid, 189.Avogadrite, 312.Azodicarboxylic acid, ethyl ester,addition of, to unsaturated hydro-carbons, 179.Azoimide, determination of, 207.holes, 176.Azomethane, decomposition of, 326.pounds, 211.Bacteria, specific carbohydrates from,Barbituric acids, mercmtion of, 188.Barium mide, decomposition of, 45.mixed crystals of potassiumpermanganate and, 47.251.in soils, 220.sulphate, volatility of, 47.Barium, determination of, 204, 216.Baryte, 303.Bases, ketonic, synthesis of, 162.#-Basicity, 115.Bay oil, myrene from, 119.Benzene, effect of catalysts onvapour pressure of, 38.derivatives, orientation of, 148.Benzene, 3-chloro-l-bromo-4 : 6-di-nitro-, 95.o-dithiol-, sulphur +-bases from,1 f6.Benzoic acid, 3-amino-4-hydroxy-,acetyl derivative, sodium salt,188.Benzoylacetone, sodium salts, 94.Benzoyl chlorides, hydrolysis of,Benzyl chloride, substitution in, 156.chlorides, nitro-, action of tri-methylamine with, 331.Berberine, 168.Beryl, 301.Beryllium, detection of, 198.Bile acids, 128.Bilianic acids, 135.Biliobanic acid, 140.Biloidanic acid, 138.Biosterin, 242.Bisabolene, 122.Bismuth, detection of, 197.Blende, crystal structure of, 277.Blood pigments, 265.Bonds, double, prediction of, 15.Bornite, formula of, 305.Boron, atomic weight of, 41.157.determination tand separation of,202.production of, 48.hydrides, 48.nitride, crystal structure of, 289.Boric acid, constitution of, and it8salts, 48.Bromellite, 302.Bromine, detection of, 199.determination of, in organic corn.a-Bromo-aldehydes, action of magnesium ethyl bromide on, 63.Butane, mi-@-nitro-, sodium saltButtgenbachite, 312.tert.-Butyl alcohol, trifluoro-, 62.pounds, 211.103.Cabbage, leaf cytoplasm of, 230.Cadinene, 123.Cadmium fluoride, crystal struotwof, 276.crystal structure of, 276.202.iodide, stability of, 19.determination and separation 'INDEX 01F SUBJECTS.359Caesium, preparation of, 46.C&eine, methylamine from, 207.Calcite, 307.Calcium carbonate, forms of, 306.hexahyhte, dehydration of,338.sodium silicates, 287.sulphate, hydrates, 46.determination of, 206.Cdycanthine, 193.a-Camphorene, structure of, 124.Camphoric acid, synthesis of, 119.Camphorquinone, rearrangement of,Canna eduli~, transport of sugar in,Carbocyanines, and thio-, 165.Carbohydrates, 66.photosynthesis of, 39, 225.production and transport of, inmetabolism of.See under Meta-specific, from bacteria, 251.determination of, 213.122.230.plants, 229.bolism.Carbon monoxide, effect of water oninfrs-red spectra of burning,322.electrical conductivity of ex-ploding mixtures of oxygenand, 31.explosion of, in gaseous mix-tures, 29, 30.dioxide, dissociation of, a t hightemperatures and pressures,27.determination of, 217.oxides, 50.disulphide, dried vapour pressureof, 3s.Carbonyl chloride, thermal dissocia-tion of, 27.compounds, substitution in, 149.Cassiterite, crystal structure of, 288.Catalysis, theories of, 33, 334.Catalysts, unimolecular gees films on,337.effect of, on equilibria in liquids,20, 38.metallic, determination of absolutesurface of, 337.Catalytic catenary, 33.reactions at surfaces, 318.surfaces, activity of, 336.Cellobiose, structure of, 76.Cellulose, structure of, 82.decomposition of, in soils, 220.Cerium, determination of, 206, 216.Chaulmoogric acid, synthesis of, 88.Chenocholoidanic acid, 143.Chenodeoxybilianic acid, 139, 143.Chenodeoxybiliobanic acid, 139.Chenodeoxycholic acid, 139.Chloralides, 84.Chlorine, atomic weight of, 42.photochemical combination ofChlorides, oxidation of other saltsPerchlorates as drying agents, 47.Chlorine water, photochemical de-Chlorites, 299.Chlorocruorin, 266.Chloroform, determination of, 212.Chlorophyll, 229.Cholane, 130.Cholane series, 128.aZloCholanic acid, 129.Cholanic acids, 141.Choles tane, 12 9.4 : 7-Cholestanedione, preparation of,Cholesterol, structure of, 131.Cholesteryl chloride, reduction of,Cholic acid, 129, 134, 139.Choloidanic acid, 136.Chondrodite, crystal structure of,Chromium carbonyl, 57.hydroxide, crystalline, 42.determination of, 203.Chrysene, 146.Citric acid, production of, by fungi,222.detection of, 209.Citrus seedlings, absorption of ionsby, 235.Clinoenstatite, 296.Cobalt chIoride, density and viscosityof hydrochloric acid solutions of,58.hydrogen and, 340.in detection of, 200.determination of, 208.composition of, 339.red fluorescence of, 310.133.132.286.detection of, 198.determination of, 204.Coclaurine, 173.Codeine, 174.Colchiceine, 19 1.Colchicine, 191.Colour in relation to crystal structure,Coloured substances, use of, inCombustion, 28.apoconessine, 194.Coniferin, synthesis of, 74.Co-ordination compounds, 104.crystal structure of, 282.Copaene, structure of, 124.Copper, catalytic activity of, 336.alloys, conductivity and structurewith zinc, crystal structure of,288.photosynthesis, 39, 227.of, 280.278860 INDEX OF SUBJECTS.Copper oxide films, coloured, 45.Cuprous sulphides, dimorphous,determination of, 216.determination and separation of,and its copper salt, extinction306.202.Coproporphyrin, 270.Coprostane, 129, 130.Coprosterol, 129.C q t i s japonica, alkaloids from, 172.Coptisine, 168, 172.Corycavamine, 169.Corycavine, 169.Corydaline, 170.Cryptopalmatine, synthesis of, 169.Cryptotoenia icvponica, cryptotajnenefrom, 120.Cryptotaenine, 120.Crystals, structure and electricalconductivity of, 280.structure of, and nature of atoms,in relation to colour, 288.determination of parameters of,size of ions in lattices of, 273.inorganic, 282.mixed, fomtion and structure of,organic, 289.coefficients of, 214.274.289.284.Crystallo-chemical analysis, 308.Cupriammonium compounds, 46.Cyanite, crystal structure of, 286.Cyanogen :-Hydrocyanic acid, synthesis of,double salt of potassium andCyanides, determination of, 207.Cyanic acid, ammonium salt, form-ation of thiourea from, 336.Cystine, determination of, 213.Cytochrome, 268.61.manganese, 58.Danalite, 298.Debye-Huckel theory, 22.for ionic reactions, 332.Decahydro-p-naphthoamide, 97.ctDecahydroquinoline, 97.Dehydrating agents, 200.Dehydrochenodeoxycholic acid, 139.Dehydrodeoxycholic acid, 136.Ddphiniurn staphisagria, alkaloidsDensity, variation of temperatureDeoxybilianic acids, 136.Deoxycholic acid, 129, 134, 136.Deuteroporphyrin, 270.Dextrose, mutarotation of, 35.of, 194.with, 17.Diabetes, action of dihydroxyacetoneaction of glucosone in, 262.treatment of, with synthalin, 264.Diacetyl, determination of, 212.isoDialuric acid, structure of, 179.Diazines, 178.Diazonium compounds of arsenicDiazphospholes, 178.Dibenzoylmethanes, isomeric, 94.pp‘-Di - 4 - carboxy - 2 - quinolylarseno-benzene, 182.epiDicentrine, synthesis of, 173.Dihydrocholesterol, oxidation of, 132.5 : 10 - Dihydrophenarsazine,Dihydroprotoherberine, synthesis of,Dihydrotagatone, 120.Diketopipermines, determinakion of,3 : 11 -Dunethoxydihydroprotoberber-ine, synthesis of, 171.5 : 6-Dimethoxy-2-methyl-1 : 2 : 3 : 4-tetrahydroisoquinoline, %nitro-,167./ 3 ~ - di -bromo-, 61.2 : 4-Dimethylquinolines, synthesis of,163.Dimethyltriazole, synthesis of, 177.Dimethylisouric acids, 180.Diophse, crystal structure of, 287.PP‘-Diphenoxy-PP‘-dithiotetra-hydrotetrazdiphosphinium, 178.oo’-Diphenylylenearsinic acid, 1 82.oo’-Diphenylyleneomethylarsine, 183.Disaccharides, synthesis of, 75.Dispersion, refractive, 14.afl-Distearins, 96.Disulphoxides, isomerism of, 103.Diterpenes, 124.Dithionic acid.See under Sulphur.Di-o-tolyl, 6 : 6’-diamino-, resolutionDomesticines, 173.Drying, effect of, on properties, 19,inhibition of reactions by, 321.Dyes, penetration of, into living cells,reactions of, with nitrous acid, 199.use of, as indicators, 208.in, 263.and antimony, 185.10chloro-, 185. ’171.214.- Dimethyl - b’ - hexinene,of, 100.38.236.Dysprosium, atomic weight of, 41.Echitamine, 194.Egg-white, ingestion of, 246.Elatolite, 308.Electrical conductivity and crystalstructure, 280.of strong electrolytes, 24INDEX OP SUBJBCTS. 361Electrochemical analysis, 215.Electrodes, 216.Electrolytes, strong, 22.Element No. 61, 49.Elements, geochemical distributionEmetine, 174,Endocamphene, 120.Energy of activation, 326.Enzyme, lactic acid-forming, frommuscle, 258.Eosin as indicator, 209.Ephedra, alkaloids of, 195.Equilibria in gases, 25.metals, 59.Ergostane, 148.Ergosterol, structure of, 148.of, 294.in systems of salts, oxides, andconversion of, into vitamin-D, 249.irradiated, antirachitic propertiesof, 249.toErucic acid, oxidation of, 87.Esters, preparation of, 90.addition of alkali alkoxides to, 90.Ethyl alcohol, action of fused alkallhydroxides on, 61.bromide, dried, vapour pressure of,38.ether, effect of catalysts on densityof, 38.iodide, determination of, 212.E thylenediamine sulphate, structureof, 105.Ethylenic compounds, catalytichydrogenation of, 87.Eudesmol, structure of, 123.Europium compounds, 50.Explosions, ionisation in, 3 16.gaseous, 28.catalysis of, by water, 322.Farnescene, 122.Fellic acid, 128.Fermentation, alcoholic, equation of,Fish liver oils, vitamin-A in, 243.Flame, law of speed of, 32.Fluoborite, 312.Fluorescein as indicator, 208.Fluorescence, duration of, 340.Fluorine, oxidising action of, 57.Formaldehyde, sodium bisdphiteFormic acid, photochemical decom-copper salt, action of hydrogen on,ethyl ester, action of sodiumdetermination of, 212.261.oxide, 57.Fluoborates, 49.compound, 65.position of, 339.43.ethoxide on, 91.Fruit, chemistry of growth of, 242.pectin substances of, 233.storage of, 232.stored, effect of unsaturated hydro-carbons on, 233.Fumaric acid, production of, byfungi, 223.Fu~gi, nutrition of, 225.micro-, production of acids by, 222.Galegine, physiological action of, 264.Gallium, crystal structure of, 281.Garnets, 303.Gas, water-, equilibrium of produc-Gases, equilibria in, 25.Gas reactions, unimolecular, 322.bimolecular, 328.Gentiobiose, structure of, 78.Germanium, preparation and proper-ties of, 52.Globin, 265.GIUCOS~, mutarotation of, 74.Glucosides, 66.Glucosone in diabetes, 262.Glyceraldehyde, preparation andproperties of, 64.Glyceraldehyde meth ylcycloacetal, 64.Glycerides, preparation of, 90.Glycerol, determination of water in,y-Glycols, acetylenic, 61.Glycuronic acid, determination of,214.Glycuronic acids, determination of,in plants, 234.Gold alloyswith zinc, crystal structureof, 278.Grapes, ripening of, 242.Grass, growth of, 241.Guanidine carbonate, structure of,use of, in thermometers, 50.tion of, 25.216.105.Haematins, 266.Haematoporphyrin, 271.Hsemin, extinction coefficient of, 214.Haemochromogen, 266,extinction coefficient of, 214.Hafnium, separation of zirconiumand, 206.Halides, determination of, 208.Halogens, determination of, inorganic compounds, 211.Halogenation, 163.Harmdine, synthesis of, 160.Heat, molecular, of gases, calculationof, 27.Helicorubin, 266.Helvine, 298.Hemiacetals, 92362 INDEX OF SUBJECTS.Hemicelluloses, 234.Hexa-amminocobaltic iodide, crystaltransHexahydroarbazole, 98.Hexah ydro-p-h ydrindols , 9 7.Hexamethylenetetramine, determin-Hexane, dried, vapour pressure of, 38.Hexosediphosphoric acid from yeast,Hexosephosphoric acid from yeast,cycZoHexylene dithiocarbonate pyri-Histidine, determination of, 213.p-Homochelidonine, 168.Humite group, 301.Hydrastic acid, synthesis of, 167.Hydrates, 283.Hydrocarbons, effect of anti-knocksHydrocyanic acid.See underHydrogen, active, 43.atomic, rate of production of, 318.photochemical combination ofchlorine and, 340.electrical conductivity of explodingmixtures of oxygen and, 31.explosion of mixtures of air and, 28.reduction of metallic salts by, 42.peroxide, preparation and decom-vapour, decomposition of, 336.action of, on organic matter, 222.structure of, 282.ation of, 213.252.methylation of, 253.253.dylhydrazone, 99.on combustion of, 32.Cyanogen.position of, 44.sulphide, detection of, 199.a -H ydroxyald eh y d es, 63.Hyodeoxycholic acids, 131, 141.Hypocholesterol , 13 1.Ianthinite, 312.Imines, cyclic, preparation of, 166.Impurities, effect of, on velocity ofIndican, synthesis of, 74.Indicators, 200.dyes as, 208.Indocrcrbocyrtnines, 165.Indoles, 160.Inorganic analysis, 196.Insulin, crystalline, 261.Insulin-A and -B, 262.Iodine, geochemical distribution of,in plants and in earth’s crust, 240.Hydriodic acid, formation andphotochemical oxidation of, 339.Iodides, detection of, 199.determinat.ion of, 208.reaction, 319.r61e of, in diabetes, 262.294.decomposition of, 320.Ionisation and chemical action, 316.thermal, in gaseous explosions, 31.Ipecacuanha alkaloids, 174.Iridium, precipitation of, 43.Iron, catalytic activity of, 336.passivity of, 58.Perferrates, 58.detection of, 197.determination of, 203.ferrous, determination of, 216.Isomorphous compounds, substitu-tion in, 287.Japaconitines, 189.Jesaconatine, constitution of, 190.Kernite, 313.Keto-acids, preparation of, 88.alZoKetolithobilianic acid, 143.Ketone-alcohols, preparation of, 65.Ketones, aliphatic, 61.Ketostadenic acid, 142.t-Ketoundecoic acid, 88.Kinetics, chemical, 314.determination of carbonyl groupsin, 212.Lactacidogen, 255.Lactic acid, formation of, in muscle,258.Lactones, 66.Lactose, structure of, 77.synthesis of, 75.Laudanosine, synthesis of, 168.Lead, atomic weight of, 41.sulphate, solubility of, in water,determination of, 216.Leaves, photosynthesis in, 228.cytoplasm of, 230.Leifite, 299.Lemon juice, vitamin4 in, 247.Lignin from plants, 234.Liquids, effect of drying on pro-effect of catalysts on equilibria in,Lithium chlorate hydrates, 45.iodide, anhydrous, decompositionLithobilianic acids, and hydroxy-,Lithocholic acid, 129, 131, 133.Liver, human, vitamin-A in, 243.Lobelane, 193.Lobelmidine, 192.Lobelanines, 192.Lobelia inflatu, alkaloids of, 192.Lobelidine, 192.Lobeline, 192.201.perties of, 19.38.of, 45.134INDEX OF SUBJECTS.363d-Lupanine, 193.L u p h , alkaloids of, 193.M a Huttng, Z-methylephedrine in, 198.Magnesium, detection of, 198.determination of, 205, 207.Magnetoplumbite, 302.Maize pollen and seedlings, 232.Malladrite, 313.Maltose, structure of, 75.Manganese, crystal structure of, 279.Manures, farmyard, decompositionof, and its utilisation by plants,221.Margarins, 89.Matter, metastability of, 18.Melezitose, structure of, 81.Melibiose, structure of, 78.synthesis of, 75.Mercuration, 186.Mercury vapour, sensitising action of,synthesis of, 75.separation of, 204.340.telluride, structure of, 304.organic compounds, 187.detection of, 197.determination of, 216.Metabolism, carbohydrate, rdle ofinsulin in, 261.Metals, production of, from moltenoxides, 47.electric charge given to surfwes of,by gases, 318.crystal structure of, 281.rate of corrosion of, 319.detection of, 196.Meta-lignin, 234.Metallic salts, equilibria in systemsof, 59.Methane, equilibrium of formationof, 26.ignition of, by spark discharge, 318.explosion of mixtures of oxygenand, 30.tetranitro-, crystal structure of,290.Methoxyl groups, determination of,212.Methyl alcohol, effect of catalysts onvapour pressure of, 38.chloride, determination of, 212.of, 181.detection of, 209.Z-Methylephedrine, 195.8-Methyl-7-ethylxasthine, synthesis8-Methylfructose, structure of, 69.Methylfurfural, w - hydroxy -, fromMethylgalractoside, structure of, 69.a- and p-Methylhexosidediphosphoricpine lignin, 71.acids, 262.8-Methyl-as-homotetrahydroisoquin-oline, 166.Methylhydrmtinine, condensation ofo-nitrosafrole with, 167.Methylmasnoside, structure of, 69.Methylpentoses, detection of, 210.Micas, 287.Micro-organisms, 2 19.Migrations from side-chain to nucleus,Minerals, X-ray examination of, 300.Mineralogy, determinative tables in,Molecular association, 38.Molybdenum :-154.new, 310.opaque, microscopy of, 305.308.volume. See under Volume.Molybdenyl monochloride, 57.detection of, 198.determination of, 2 16.Molybdotungstates, 57.Monosaccharides, 66.$-Morphine, determination of, 213.Morphine alkaloids, 173.Mucor stolonifer, production of acidsMuscle, formation of ammonia in, 257.lactic acid-forming enzyme from,258.Musk kernel oil, acids from, 88.Myrcene, 119.by, 223.Nandina domestica, alkaloids from,Nandinine, 172.Naph thalenesulphonic acids , de tec -Neodymium, determination of, 214.Neoline, 190.Neopelline, 190.Neutrons, 12.Nickel arscnide, crystal structure of,276.determination of, 204.Nitrogen, atomic weight of, 41.active, 52.glow of, 319.oxides, constitution of, 54.monoxide, decom,position of, in theelectric discharge, 317.dioxide (nitric oxide), formation of,compound of sulphur trioxideper- or tetr-oxide, dried, vapourpressure of, 38.pentoxide, decomposition of, 319,photocatalytic decomposition of,thermal decomposition of, 54.172, 173.tion of, 210.in the arc, 28.and, 56.324, 331.340364 INDEX OF SUBJECTS.Nitrogen sulphide, 64.Nitric acid as oxygen carrier, 54.Nitrates, detection of, 199.determination of, 207.Nitrites, detection of, 199.determination of, 207.determination of, in organic com-pounds, 21 1.amino-, determination of, 214.Nitrosoamines, secondary, determin-ation of, 212.Norcholoidanic acid, 137.Oat straw, decomposition of, byOcimene, 119.Ocimum baSilh~m, ocimene from, 119.n-OCtadeCane-uLK-triO~S~ 62.Octahydroacridines, optically active,Oleic acid, pure, 86.Organic analysis, 209.matter, decomposition of, 219.Organo-metallic compounds, 181.Oxacarbocyanines, 165.Oxalic acid, production of, by fungi,Oximes, formation of, 335.“ Oxine.” See Quinoline, 3-hydr-oxy-.Oxonitin, 190.Oxyacanthine, 173.Oxygen, atomic diameter of, 296.solid, crystal structure of, 289.density of, 55.Ozone, decomposition of, 321, 328.micro-organisms, 220.99.222.d-potassium rhodium salt, 105.Palmatine, 168.Papaverine, synthesis of, 168.Paracefaldehyde, ultra-violet absorp-action of bromine on, 63.Parachor, 15.Parsley seed oil, 89.Pasturage, seasonal variations inPeaches, pectins in, 233.Pectic substances, 233.Pellagra, human, 246.Pentabenzoyl y-glucoses, 72.Pentaerythritol, structure of, 94.crystal structure of, 290.Pentenoic acid, preparation of, 86.Perbenzoic acid as oxidising agent,Perferrates. See under Iron.Perthiocyanic acid, 51.Perthiocyanogen, 51.Petroselic acid, 89.Phenacite, crystal structure of, 286.tion spectra of, 62.productivity of, 241.86.Phenarsazine, 183.Phenol, detection of, 210.Phenols, colour reactions of, 210.Phenoxarsine, 10-chloro-, 183.Phenoxy - P - oxydihydrobenzodiaz -phospholium, 178.Phenylace t ylene, determination of,214.Phenylbutenoic acids, isomerism of,108.Phenyl /l-ethoxystyryl ketones, iso-meric, 94.Phenyl /l-methoxystyryl ketones, iso-meric, 94.a - Phenyl- do - pentene - yS - dione -6-oxime benzyl ether, action ofwater on, 159.6-Phenyl-ypiperidinomethylbutan-8-one, 162.-Phenylpropionic acid, I - u -amino -8-3 : 4-dz?lydroxy-, determinationof, 214.3-Phenylpyridazinone, reduction of,169.Phosphagen, 256.Phosphatidic acid, 230.Phosphorus vapour, luminescence of,absorption of, by plants, 235.pentachloride, structure of, 16, 106.tTihydride (phoaphine), detectionof, 199.iodides, 54.suboxide, 56.Phosphates, removal of, in analysis,200.Orthophosphates, detection of,determination of, 207.determination of, in organic com-54.determination of, 207.determination of, 207.199.pounds, 211.Photochemical reactions, 228, 338.Photosynthesis, 39, 225.Phthalonic acid, tautomerism of, 114.Physical analysis, 214.Picralima klaineana, alkaloids of,d-Pimaric acid, structure of, 127.Pinene, racemisation of, 325, 331.Plants, structural constituents of,194.234.absorption of ions by, 234.changes during growth of, 231.nutrition of, 237.secondary elements in, 238.boron in, 239.carbohydrates in, 229.chlorophyll in, 229.inorganic constituents of, 236.iodine in, 240.nitrogenous constituents of, 230INDEX OF SUBJECTS.365Plants, sodium and potassium in:238.forage, proteins of, 232.higher, 225.Plant cells, penetration of dyes into,Platinum metals, geochemical dis.Polymethylenedicarboxylic aids,synthesis of, 87.Polysaccharide of Friedlander's typeA bacillus, 25 1.Polysaccharides, 81.Porphyratins, 265.Porphyrins, 265, 269.Porphyroxine, 174.Potarite, 311.Potassium, atomic weight of, 40.preparation of, 45.absorption of, by plants, 235.pemangmate, mixed crystals ofbarium sulphate and, 47.nitrate, photolysis of, 339.determination of, 217.Potatoes, effect of ions on growth of,nitrogenous metabolism in, 232.starch in, 229.Praseodymium, determination of,Precipitates, flocculation of, 200.Primeverose, synthesis of, 75.Propaldehyde vapour, decompositionisoPropy1 alcohol, determination of,isoPropylidene ethers, preparation of,Prosolannellic acid, 137.Protopine, 168.Prototropy, 106.Purines, 180.Pyridazines, substituted, 179.Pyridine derivatives, 162.Pyrocholoidanic acid, 136.Pyrodeoxybilianic acid, 137.Pyrosolannelic acid, 138.Pyroxenes, 300, 302.Pyrroles, 158.'mercuration of, 188.Pyrrolidines, preparation of, 158.236.tribution of, 294.detection of, 199.of type III pneumococcus, 251.237.214.of, 325.212.65.detection of, 210.Quartz, catalytic activity of, 336.&Quartz, 296.Quoline derivatives, 163.201.isoQuinoline alkaloids, 168.8-hydroxy-, as reagent in analysis,derivatives, 166.Radioactive atoms, structure ofRadium, separation of, from barium,Reactions in solution, 330.nuclei of, 12.47.chain, 329.heterogeneous, 335.Reactivity in side-chains, 155.Reagents, attack of molecules of, 153.Refractivity,.13.Rhizopus nzgrzcans, formation ofacids by, 224.Rhodium chloronitrate, 59.Rice, proteins of, 232.fungi, 220.Rings, strainless, 97.Rubidium, preparation of, 45.Rutmarpine, synthesis of, 161.Ruthenium dihalides, 59.Rutile, crystal structure of, 288.straw, decomposition of, by soilSaccharic acid, formation of, byfungi, 223.Safrole, synthesis of, 167.o-nitro-, condensation of methyl-hydrastinine with, 167.Samarium dichloride, 50.detection of, 50.Santalene, structure of, 124.Scandium, atomic weight of, 41.acet ylace tonate, 50.Scheelite group, isomorphism in, 288.Schuttenite, 313.Selenium fluorides and trioxide, 57.detection of, 199.determination of, 207.determination of, in organic com-pounds, 211.Selinene, 122.Sesquiterpenes, 122.Silicon, preparation of, 51.valency of, in silicates, 295.tetrachloride, density and expansionof, 52.Silicates, 285.geochemical distribution of, 294.alloys with zinc, crystal structureSilver, atomic weight of, 40.of, 278.iodide.stabilitv of, 19.sulphides, dimkphous, 306.determination of lead and, 216.separation of, from lead, 201.Sitosterol, structure of, 148.Sodium azide, decomposition of, 53.calcium silicates, 287.hydride, structure and dissociationperiodate, structure of, 105.detection of, 198.determination of, 205.of, 45366 INDEX OF SUBJECTS.Soils, algse in, 226.bacteria and fungi in, 220.decomposition of hydrogen per-oxide in, 222.water-logged, 221.determination of organic matter in,222.Solannellic acid, 138.Solids, reactions of, 338.Soya beans, protein metabolism of,Sparteine, 193.Spathulatine, 193.Spectrograph, maas, 11.Spectroscopic analysis, 2 15.Squalene, 127.Stadenic acid, 142.Standard solutions, 200.Stannic salts.See under Tin.Starch in plants, 229, 230.Stavesacre seeds, 194.Stearic acids, hydroxy-, 87.S tereochemistry, 93.Stigmastane, 148.Stigmasterol, structure of, 148.Substitution, transmission of orient-ing effects in, 151.Sucrose, structure of, 77.hydrolysis of, 334.Sugars, nomenclature of, 73.phosphates of, 254.isopropylidene derivatives of, 75.determination of hydroxyl p u p sSugar-beet, transport of sugar in, 230.Sulphonylimines, resolution of, 102.Sulphur, stability of, 18.231.in, 212.chlorides, 55.trioxide, molecular weight of, 66.compound of nitric oxide and, 56.Sulphides, induced precipitationof, 201.Sulphur acids, 56.analysis of mixtures of salts of,206.Sulphates, determination of, 206.Sulphites, detection of, 199.Dithionic acid, decomposition andoxidation of, 335.Swedenborgite, 302.Svntanmatite. 296.Sbth&n,264.physiological actionTagates glanddifera, oil from, 120.Tagatone, 120.Tantalum, determination of, 218.Tautomerism, 106.intra-annular, 117.three-carbon, 1 1 1.Telepathine, 195.Tellurium, determination of, 207.of,Teresantalic acid, 121.Terpenes, 11 9.Tetramethyl y-fructose, structure of,Tetramethyl glucose, structure of, 67.Tetramethylme thane, crystal s truc -Thallium, crystal structure of, 281.Thebaine, 174.Theobromine, methylamine from, 207.Thiocyanatee, determination of, 207.Thiocyanic acid, alkali salts, 51.Thiol-groups, detection of, 209.Thymol ethers, detection of, 210.Tin, stability of, 18.grey, crystal structure of, 277.grey and white, specific heats of,Stannic salts, reduction of, 43.determination and separation of,Titanium, determination of, 206.p -To1 yloxy -P- thiodihydrobenzdiaz -phospholium, 178.Tomatoes, growth of, 242.effect of phosphorus on, 238.n-Triacontane, oxidation of, 86.Triazoles, 176.Triazolealdehydes, 176.Tridymite, 296.Trimerite, 302.Trimethylamine, action of nitro.benzyl chlorides with, 33 1.Tripetroselin, 89.Tri-o-phenylenediarsine, 104.Tripyrrole, 159.Triterpenes, 127.Troostite, crystal structure of, 287.Tungsten :-217.71.ture of, 290.determination of, 206.52.203.Tungstic acid, determination of,determination of, 215.determination and separation of,Turanose, structure of, 80.Tyrosine, determination of, 214.205, 206.Umangite, 306.Undecane-&kl.icarboxylic acid, 88.Uranium, determination of, 216.Uric acid, detection of, 210.Uroporphyrin, 270.Valency, 37.Valonia rnucrophysa, 236.Vanadium compounds, 55.determination of, 215.determination and separation of,205.Vasicine, 194INDEX OF SUBJECTS.367Vaterite, 306.Vitamins, 242.Vitamin-A, 242.detection of, 243.determination of, 244.Vitamin-B, and -B2, 245.Vitamin-C, 247.Vitamin-D, 248.Vitamin-E, 244,250.Vitamin-F, 244.Volume, molecular, 15.Volumetric analysis, 200.zero, 17.Walnut seedlings, absorption of ionsWater, complexity of, 20, 22.effect of catalysts on density of, 38.influence of, on chemical act,ion,by, 235.321.Water of crystallisation, 283.Wheat, protein content of, 232.Willemite, crystal structure of, 287.Worenine, 172.Xenotirne, orystal structure of, 288.Yageine, 195.Yeast, hexosephosphoric acids fromfermentation by, 262, 253.Yttrium, atomic weight of, 41.Zinc alloys with copper, gold, andsilver, crystal structure of, 278.fluosilicate hexahydrate, crystalstructure of, 284.oxide in photochemical reactions,catalytic reduction of, 338.detection of, 198.determination of, 204, 215, 216.229.Zinc blende. See Blende.Zingiberene, 122.Zircon, crystal structure of, 288.Zirconium, separation of hafniumand, 206.Zunyite, 298