INDEX OF SUBJECTS. J. BRUCE, B.Sc. 11. 0. FORSTER, Pli.D., B.Sc. E. GOULDINO, B.Sc. J. S. HALDAKE, M.A., M.D., F.R..S. T R A N S A C T I 0 N S. 1 8 9 9. R. L. JEXKS. P. A. E. RICHARDS. L. J. SPENCER, M.A. J. F. TIIoBrE, Ph.D. (Marked T.) ; and to Proceedings of the Session 1898-1890, Nos. 198 to 212, Nov., 1898--June, 1899 (marked P.). A. Acetal, homo-, action of, on ethylic sodiomalonate and sodiomethyln~alon- ate (PERKIN and SYBANIiLIlr’G), T., 13 ; P., 1898, 112. Acetalmalonic acid and its ethylic and silver salts (Peimru and SPRAKKLING), T., 13 ; P., 1898, 112. Acetalmethylmalonic acid and its ethglic and silver salts (PEILSIN and SPRAXK- LING), T., 18. Acetamide, action of fuming sulphuric acid on ( BAUNALL), T., 279. dichloro-, from action of aninionia on ethylic tctracliloracetonedicarboxyl- ate (DOOTSON), T., 171; P., 1899, 9.4-bcetamidoethenyl- 1 : 2 - naphthylene- diamine, picrate, silver, and nietliyl derivatives ( MELDOLA and I’IIILLIPS), T., 1013 ; P., 1899, 187. Acetanilide, action of sulphonnting agents on (AILMSTBONG), P., 1899, 178. action of sulphuric acid on (BAGNALL), T., 280; P., 1898, 182. sodium conipound of, action of plios- gene on (DIXON), T., 384. brorno- and dzlxonio-, actionof sulphon- ating agents on (AKMSTRONG), P., 1899, 178. 2 : 4-dichloro- and 2 : 4 : ti-trichloro-, formation of (CIIATTAWAY and ORTON), T., 1052 ; P., 1899, 153. Acet-o-anisidide, p-nitro-, pamino-, and p-iodo- ( XELDOLA), P., 1898, 226. Acetic acid, action of sulphuric acid on (BAGNALL), T., 279. amylic salt, density, specific rota- tion and molecular volume of (FRANKLAXD), T., 358.ethylic salt, velocity of formation and hydrolysis of (STIDBOROUGII and LLOYD), T., 474; P., 1899, 3. Acetic acid, lxonio-, etliylic salt, con- densation of, with cthylic cyano- diiuetliy1,alntarate ( PEirsIN and T R O I : ~ ) , T., 900; P., 1899, 184. condensation of, with ethylic a-cynno- 8-phenylglutarate (TIIORPE and UDALL), T., 905 ; I?., 1899, 184. mono-, di-, and tri-chloro-, anti mono-, di- and tri-bromo- and iodo-deri- vatives, ethylic salts, velocity of forinntion and hydrolysis of (Yuu- ~OROUGII and LLOYD), T., 476 ; P., 1899, 3. dichloro-, from action of potash on cthylic tetracliloracctonecrrrboxylatc: (Doo~sox), T., 171 ; I’., 1899, 9. cyano-, ethylic salt, action of ethylenic and triniethylenic bromides on sodium derivative of (CARPEN- TER and PEKKIN), T., 921 ; P., 1899, 133.contlensation of’sodium derivative of, with ethylic a-bromisoamyl- acetate (LAWIWNCE), P., 1899, 163.INDEX OF 'SUBJECTS. 1189 Acetic acid, cyano-, ethylic salt, action of ethylic bromisobutyrate on sodium derivativs of (BONE), P., 1899, 5. condensation of, with ethylic a-bromopropionate (BONE and action of, on ethylic cinnamate (THORPE and UDALL), T., 906 ; P., 1899, 184. condensatiun of sodium dcriva- tive with ethylic diniethyl- acrylate (PERKIN and THORPE), T., 52. co~densation of sodiuni derivative with ethylic 8-isopropylacrylate (HOWLES and THORPE), P., 1899, 104. Acetoacetic acid, ethylic salt, condensa- tion of sodium derivative, with ethylic u-broiiiopropionate and u-bromisobutyrate (BONE and SPBANKLING), T., 847.condensation of, with ethylic phenyl- propionate (RUHEMANN), T., 251 ; l'., 1899, 6. condensation of, with ethylic p-nitroplienyIl)royiolate, and with etliy lic ace t ylen edicarh- oxylate (RUZIEMANN and Cux- NINQTOS), T., 782 ; P., 1899, 169. Acetocarbanilide, forniatioii of (DIXON), Acetodiphenylcsrbamide (D~xos), T., 395. Acetoethylbornylamide ( FORSTER), Tc, 946. Aceto-a-naphthylamide, action of sul- pliuric acid on (BAGNALL), T., 280 ; P., 1898, 182. Acetone, from oxidation of dimethyl- acrylic acid, and its p-bromo- phenylhydrazine compound (CROSS- LEY and LE Susuu,), T., 165; I?., 1898, 219. Acetonebenzil, condensation of, with hcnzaldehydo ( J A W and FIKDLAY), T., 1026 ; P., 1899, 164. Acetonedicarboxylic acid, ethylic sal t, action of chlorine and of bromine on (DOOTSOX), T., 169 ; P., 1899, 9.condensation of, by sodium ethoxide, hydrogen chloride, ethylic chlor- or broni-acetate, or magnesium (JERDAY), T., 808 ; P., 1899, 151. Acetonedicarboxylic acid, tetmchloro-, ethylic salt, and action of potash and of ammonia on i t (DOOTYON), T., lG9 ; P., 1899, 9. - SPRANRLING), T., 852. 'I1., 384. Acetophenone, action of phenanthra. quinone on, in presence of ammonia (JAPP and MELDRUM), T., 1032 ; P., 1899, 166. o- and p-Acetotolaidider, action of sul- phonating agents on (ARMSTRONG), P., 1899, 178. Acetoxybenzodiphenylfurfuran (JAPP and MELDRUM), T., 1041 ; P., 1899, 167. Acetoxyhydroxydimethylglataric acid, lactone of, and its aniline salt (LAW- RESCE), T., 421. ?It-Acetoxy-p-xylic acid ( PEEKIN), T., 189.Acetylacetone, condensation of, with ethylic plienglpropiolate ( RUHEMANN), T., 415; P., 1899, 15; (RUHEMANN and CUNNINGTON), T., $80 ; P., 1899, 169. Acetylaliearin (PERKIN), T., 447 ; P., 1899, 66. Acetylcannabinol (WOOD, SPIVEY, and EASTERFIRLD), l'., 25. Acetylchlorodextrose, preparation of, and action on B-naphthol, o- and p-cresol and csrvacrol (RYAN), T., 1055 ; P., 1889, 196. Acetylchlorogalactose, preparation of, and its action on &naphthol (BYAN), T., 1057 ; P., 1899, 196. Acetyldehydrotetramethylhmmatoryl- one (GxLnonY and ~'EILKIN), P., 1899, 28. Acetodehydrotrimethylbrazilone (GIL- BODY and PRIMIN), P., 1889, 28. Acetyldesylthymol (JAPP and MEL- DRUM), T., 1037; P., 1899, 167. 6-Acetyl-4 : 6-diphenylpyridone (RUHE- MAXN and CUNNINGTON), T., 782 ; P., 1899, 169.Acetylenedicarboxylic acid, ethylic salt, action of piperidine and diethyl- aniine on (RUHEMANN and CUN- NISGTON), T., 956 ; I?., 1899, 185. condcnsation of, with ethylic benzo- ylacetate, and with ethylic acetoacetate ( RU~IEMANN and CUNNISGTON), T., 785 ; P., 1899, 169. 5-Acetyl-2-hydroxy-4 : 6-diphenylpyr- idine and its silver compound (KUHE- MANN and CUNNINQTON), T., 781 ; P., 1899, 169. Acetyllactic acid, ethered salts, densi- ties, specific rotations, and molecular volumes of (FKANKLAND), T., 357. Acetylmalic acid, and bromo-, ethereal salts, specific rotations, aud molecular volumes of (FRANKLAND)? T., 348, 351.1190 INDEX OF SUBJECTS, bcetylphenylchloramine. See Phenyl acetyl nitrogen chloride.Acetylc?iclopropanetricarborylic acid and its ethylic salt (RUIIRMANN and CUNNINGTON), T., 785 ; P. ) 1899, 169. Acetylsuccinic acid, ethylic salt, action of methylic iodide on the sodium derivative of (BONE and SPRANK- LING), T., 848. Acetylsulphanilic acid, action of bromine on (AI:MSTROXG), P., 1889, 177. Acetyltartaric acid, trichloro-, ethereal salts of, densities, specific rotations and molecular volumes of (FXANIC- LAND), T., 363. Acetylthujetin, m. I>. of (PERKIN), T., 829. 4-Acetyl-o-xylene froni fenchone (Mansn), T., 1058 ; P., 1899, 196. Acid, C,H,O, froni acid C,,H,,09 (GIL- BODY and PEILKIN), P., 1899, 28. C9H1602, from camplioric anhydride and aluminium chloride (LEES and PERKIN), P., 1899, 24. C,,,H,,,?,, froni oxidation of dimethyl- brnzilin (GXLI~ODY and PERKIN), P., 1899, 75.Cl,H~,O, from acid C12H,206 from oxidation of trimethylbrazilin (GIL- BODY and PERKIN), P., 1899, 28. C,,H,,07, from oxidation of tetra- niethylhrematoxylone (GILYIODP and PERKIN), P., 1899, 29. C,,H,,O,, froni oxidation of trinic thyl- brazilin (GILBODY and PERKIX), P., 1899, 28. C,,K,,O,, from lactone obtained by osidising t r i m thylbrazil in (GIL - BODY and PERKIN), P., 1899, 28. C,,H,04, from hydrolysis of the pro- duct of intwaction of ctliylic sodio- malonate and mesityl oxide ; cthylic and, silver salts, dibromo-derivative and dihydrobromide ; also oxidation (CROBSLEY), P., 1898, 247. C,,H,,O,, obtained by condensation of o d i c acid and resorcinol, and its salts, and trincetgl, benzoy1,dinitro-, and tctrubromo-derivatives ( HEWITT and PITT), T., 518 ; P., 1899, 100.Acidr, fatty, detemnination of the con- stitution of (CROSSLEP and LE SUZUR), T., 161 ; P., 1898, 219. Addrers, conpatolatory, t o Prof. Sir G. C. Stokes, P., 1899, 145. Addrerrs, Presidential (DEWAR), T., 1167 ; P., 1899, 77. Adipic Acid, formation of, from hydroly- sis of ethylic as-dicyanovalerate (CAR- PENTER and PERKIN), T. , 929. Bfflnity constants of Z-pheiiylmethosy- acetic acid (MCKENZIE), T., 767. Albumin, e g-, abgorption spectrum of (BLYTH), f’., 1163 ; P., 1899, 175. Albumin, serum-, absorption spectrum of (BLYTH), T., 1163 ; P., 1899, 175. Albumoae, Schriitter’a, absorption spec- trum of (BLYTH), T., 1166 ; P., 1899, 175. Alcohols, polyhydric, oxidation of, in the presence of ferrous iron (FEN- TON and JACKSON), T., 1 ; P., 1898, 210.8-Aldehydoisobutyric acid and its oxicla- tion (PERKIN and SPHANICLING), T., 18. P-Aldehydopropionic acid and the action of phonylhydrazine anti of caustic soda on it ; also its oxidation and re- dUCtiOi1 (PERIiIX slid SPHANKLING), T., 16 ; P., 1898, 113. Alizarin, ntom-metdlic derivatives and acetyl and diacetyl derivatives of (PEILKIN), T., 433 ; P., 1899, 65. potassiuni, acetyl derivatives and dyc- ing properties of (PERKIN), T., 446, 454 ; P., 1899, 66. Alizarin, bronio-, and &nitro-, potassium salts of (PEI~KIX), T., 436 ; P., 1899, 65. Alizarin-yellow-A (ti*i7qd~oq/Bcnzo- p h e ~ t o ? ~ ~ ) , potassium salt of (PERKIS), ‘l’., 442 ; P., 1899, 66. Aluminium, mermry coiiple, use of, as a condensing agent (COHEN and SKIRROW), T., 887 ; P., 1899, 183.action of, on sulphuric acid (ADIE), l’., 1899, 133. Amarine, conversion of silver derivative of, into lophine(ShTAmand BROOKE), T., 211 ; I?., 1899, 22. isoiiieride of (SNAYE and BROOKE), T., 20S, 211 ; P., 1899, 22. Amines, fatty, secondary and tertiary, action of hydrogen peroxide on (DUN- STAN :md GOULDING), T., 1004 ; P., 1899, 124. Ammonia froni action of sodium amal- gam on sodium nitrite or nitrate (DITERS), T., 8 7 ; P., 1898, 222. Ammonium chloride, tliernial change on diluting satnratvd solutions of (POLLOR), P., 1899, 8. nitrate, reduction of, by sodium amalgam (DIVERS), T., 92. hydrog,enhyponitrite(nIvEns),T. , 121. selenito, hydrogcn selenite, and tri- hydrogen cliscleliite (DIVEILS and IIAGA), T., 539; P., 1899, 102.sulphate, thermal changes on diluting satarated solutions of ( POLLOX), P., 1899, 8. sulphite, ai~hydrons, formation of (DIVERS and OGAWA), T., 534.INDEX OF Ammonium organic corn ounds :- Ammonium ethyl sefmite (DIVER~ and HAGA), T., 537 : P., 1899, 101. Ethyl animoniumsnlphite (DIVERS and OGAWA), T., 533 ; P., 1899,101. iso-Amylacetic acid. See Heptoic acids. iso-hylacetoacetic acid, ethylic salt, action of hydrocyanic acid 011 ; rcdac- tion (AUDEN, PERKIN, and ROSE), T., 912 ; Y., 1899, 162. Go-hylacetone, action of hydrocyanic acid on (AuDISN, ~'EBKIN, and HOSE), T., 920 ; P., 1899, 163. B-iso-Amylcitraconic anhydride (LAW- RENCE), P., 1899, 164. a-iso-Amylcrotonic acid, and oxidation (AVDEX, PEI~KIX, and Rose), T., 920 ; P., 1899, 163. iso-Amylic alcohol ( f e r m n t n t i o n mny7ic nlcohol), action of hydrogcn peroxide on, in presence and absence of iron (FENTON and Jacrcsox), T., 2 ; P., 1898, 240.Amylic alcohol (sec- butylcarbiiiol, atrtlilil- cthy Zcarbiizcnrb iiiol), dcnsi ty, spccific rotation and molecular volume of (FRANKLAND), T., 358. Amylic cetglic ether, density, specific rotation, and molccular volume of (FRANKLAND), T., 360. Amylodextrin, nitration ancl attemptcd recovery o f ; also its coristitiition (BROWN and MILLAR), T., 311 ; P., 1899, 13. iso-Amylsnccinic acid (h~ptnacrlic~arb- ozylic acid) and action of niethylic iodide on, in presence of sodium ethoxido (LAWREKCE), P., 1899, 163. 8-ciano-, ethylic salt, and hydrolysis (LAWREWE), P., 1899, 163. Anhydracetonebenzil, condensation of, with benzaldehyde, cuminaldehyde, cinnainaldehyde, and benzil (JAPP a i d FINDLAT), T., 1023 ; P., 1899, 164.Anhydracetonebenzil-B-carboxylic acid, condensation of, with benzaldeliyde (JAPP and FINDLAY) T., 1025 ; P., 1899, 65. Aahydracetonedibenzil (JAW ancl FIND- LAY), T., 1025; P., 1899, 164. Anhydride, C,,H,,04, from nitrosocory- dnldine (DOBBIE and LAUDER), T., 674; P., 1899, 129. Anhydrides of dibasic organic acids, con- densation with sodium derivatives of phenols (SCHRYVER), T., 661 ; P., 1899, 121. a-Anhydrobenzillsvulic acid, con- densation of, with benzaldehyde, (JAPP and FINDLAY), T., 1024; P., 1899, 164. SUBJECTS. 1191 Anhydrohomocamphoronic acid (LAP- WORTH and CILIPMAN), T., 995 ; P.; 1899, 160. Aniline, action of sitbstitnents on (ARM- STRONG), P., 1899, 176.8-tribromo-, from action of bromine 011 hydrogen potasuiuni anilinc- disnlphonate (BAGNALL), T., 251. Anilinedisulphonic acid, hydrogen pot:issinm salt, ancl actioii of bromine oil ( FLU:SAT,L), T., 231. Anilinodibenzyl ketone anilidc ( FKAN- VIS), T., 970. o-Anisidine, p-nitro-, and its ace tyl de- rivative ( JIEL~OLA), P., 1898, 226. nb-Anisoylbenzylthiocarbamide. c h - Anisoylethylthiocarbamide, ah-Anis- oylethylurea, J/n- Anisoylethylurea, n b - Anisoylmethylthiocarbamide, ?&-Anis- oyl- r-phenylbenzylthionrea, nb-Anis- oylphenylthiocarbamide, Anisoyl- thiocarbimide, Anisoylthiohydan- toin, Anisoylthiourea, Anisoylthio- urethane, ub-Anisoyl-o- and -y-tolyl- thiocarbamides (DIXUX), T., 385-388 ; P., 1899, 53, 54. Annual GCeneral Meeting, T., 1167 ; I'., 1899, 77.Anthragallol (1 : 2 : 3-trihyd~oxy- a i t t h ~ ~ q ~ iwnc) ?)LO?LO- ibo t assinm, sodiiiiii, bariiim, ant1 calcium, salts of, and action of dcoholic potasli on ethylic ether (PJCRKIX), T., 446 ; P., Anthrapurpurin, potnssiuni derivative of Anthraquinone group of coloiiriiig matters, salts of (PEEKIS), T., 435; l'., 1899, 65. Antimony, action of, on su1l)huric acid (.AI)IE), P., 1899, 133. Apigenin, actioii of potassinin acetate on ( ~ ' E ~ ~ K I Y ) , 'l'., 441 ; P., 1899, 66. Arabinose, oxitlation of, by hydrogcn perosiclc ; also hycirnzone and osazono (MOKRELL and CROFTS), T., 790 ; P., 1899, 99. Arsenic, action of, on snl~~linric acid (ADIE), P., 1899, 133. compounds of, with oxygen, sulphur, selenium, and tellurium ( SZ.IRVASY and IZIESSIWI~), T., 597 ; P., 1899, 123.Octarsenotritelluride (SZAILVASY and MEMNGER), T., 595 ; l'., 1899, 123. Association, molecular, and rotatory power of optically activc liquids ( POYE a i d PE WHET), 'l'., 1112 ; P., 1809,201. Asymmetry, protluc t of, and maximum rotation of ethercal salts(FRaNKLaND), T., 351. (PERKIN), T., 435 ; P., 1899, 65. 1899, 66. (PERKIN), P., 1899, 65.1192 INDEX OF SUBJECTS. Atomic weight of carbon (DEWAR), P., of hydrogen (DEWAR), P., 1898, 175. of nitrogen (DEAN ; DEWAR), P., 1898, of oxygen (DEWAR), P., 1898, 175. Azobenzene, action of substitueiits on fARMsl'BONa), P., 1899,176. 1898, 175. 174. B. Balance Sheet of the Chemical Society, March, 1899, T., 1178; of the Research Fund, March, 1899, T., 1177. Barium chloride, thermal change on diluting saturated solutions (POL- LOK), P., 1899, 8.hyponitrite, and hyponitrosoacetate (DIVERS), T., 117 ; P., 1898, 224. Benzaldehyde, action of sodium hydr- oxide, methoxide or benzyloxide on (IiOHN and !l'RANTOM), T., 1155; P., 1899, 194. condensation of, with anhydracetone benzil, a-anliydrohenzillavulic acid, anhydracetonebenzil-B-carb- oxylic acid, and acetonebcnzil (JAW and FINDLAP), T., 1023 ; P., 1899, 164. Benzamide, prepafation of, from benz- iniidoxydiphenylacctic acid and from tri~~heiiyloxazolone (JAPP and PINDLAY), T., 1030 ; P., 1899, 165. di-o-substituted, hydrolysis of (LLOYD and SUDBOROUGH), T., 681. Benzamidine hydrochloride, action of, 011 ethylic phenylpropiolate (RUHE- P., 1899, 185. 4-Benzsmidoethenyl-l : 2-naphthylene- diamine, hydrochloride, sulpliatc, picrate (MELDOLA and PmLLrIs), T., 1015; P., 1899, 187.Benzanilide, action of sulphonating agents on (ARMST~ONG), P., 1899, 178. Benzene, physical constants of (Youh-c and FOHTEY), T., 880. mixtures of, with toluene, fractiona- tion of (Youxa), T., 682. action of chlorosiilphonic acid on (YOUNG), T., 174. Benzene, bromo-, dibromo-, tctmbromo-, and hembromo-, preparation of (COHEN and DAKIN), T., 894; P., 1899, 183. p-chlorobromo- (COHEN and DAKIN), Benzhydrol, condelisation of, with benzo- nitrile (JAPP and FINDLAY), T., 1031 ; P., 1899, 165. MANN and CUNNINGTON), T., 959 ; T.; 894 ; P., 1899, 183. Benzil, condensation of, with anhydr- acetonebenzil (JAPP and FINDLAY), T., 1025 ; P., 18!X!, 164. condensation of, with benzylidene- acetone (JAPP and FINDLAY), T., 1026 ; P., 1899, 164.Benzilic acid (a-hydroxydiphenyZmti4 acid, dipbnylglywllic acid), condensa- tion of, with benzonitrile (JAPP and FINDLAY), T., 1028 ; P., 1899, 165. Benzimidobenzhydrylic oxide, formation and synthesis of (JAPP and FINDLAY), T., 1031 ; P., 1899,165. Benzimidoxydiphenylacetic acid, and its silver salt, and its conversion into triphenyloxaxolone ; action of hydr- iodic acid on ; action of caustic potash on (JAPP and FINDLAY), T., 1029 ; P., 1899, 165. Benzohexaphenyltrifurfuran ( JAPP and MELDRUM), T., 1043 ; P., 1889, 167. Benzoic acid, benzylic salt, action of caustic soda on (KOHN and TKAN- trimethylammoniu~n, tripropylanimo- nium, and phcnylammonium salts (LLOYD and SUDBOROVGH), T., 596 ; P., 1899, 3. Benzoic acid, 2 : 4 : 6-tribromo-, phenyl- animo~liun~, sn-broniophenylamino- uium, triniethylammoniun1, triyro- pylammonium, and tribenzylammo- ilium salts (L1,oYDand SUDBOXOUGH), T., 592, 593 ; I?., 1899, 3.2 : 4 : 6-tribronio-3-amino-, a- and 8- naphthylarnmonium, phenylammo- nium, Tbromo- and m-nitro-phenyl- ammonium, phenyldiethylammo- ilium, 2 : 4 : 5- and 2 : 4 : &trimethyl- phenylammonium, trimethylam- monium, tripropylammonium, and tribenzylanimonium salts (LLOYD and SUD~OROUGH), T., 589-592 ; P., 1899, 3. wi-nitro-, a- and B-naphthylamnionium, trin~ethylamrnoniun~, phcnylammo- nium, and 2 : 4 : 5-trimethylyhenyl-, ?It-bromophenyl-, and m-nitro- phcnyl-ammonium salts (LLOYD a i d STJDBOROUGII), T., 594 ; P., 1899, 3. 2 : 4 : g-t~initro-, u- and 8-naphthyl- ammonium, phenylammonium, m- bronio- and m-nitro-phenylammo- nium, trimcthylammonium, tripro- pylammonium, and tribenzylammo- nium, 2 : 4 : 5- and 2 : 4 : 6-tri- methylphenylammoniurn, and phen- yldiethylammonium salts (LLOYD and SODBOROUGH), T., 585-586 ; P., 1899, 3.TOM), rr., 1161 ; P., 1899, 194.INDEX DF SWMEC'PS. 1193 Bensoic acids, di-o-substituted, etherifi- cation of, and hydrolysis of ethereal salt8 of (LLOYD and SUDBOROUGR), T., 580. Benzoic chloride, di-o-substituted, hydr- olysis Of (LLOYD and SUDBOXOUGH), T., 581. Benzoin, condensation of, with phenol, thymol, catechol, resorcinol, qninol, a i d yhloroglucinol ( JAPP and him- DRUM), T., 1037; P., 1899, 167. codelisstion of, with o-, in-, and p - yhenylenediamines (JAPP and ~ I E L - DRUM), T., 1043; P., 1899, 169.Beneonitrile, condensation of, with benz- ilic acid, and with benzhydrol (JAYP aiid FINDLAY), T., 1028 ; P., 1899,165. Benzonitriles, di-o-substituted; hydroly- sis of (LLOYD and SUDBOI~OEGH), T., 581. o-, m-, and p-Benzotetraphenyldifur- furans (JAW and MELDIIUM), T., 1039, 1041, 1042 ; P., 1899, 167. m-Benzotetraphenyldipyrroline ( JAPP and MELDRUM), T., 1044 ; P., 1899, 169. Benzoylacetic acid, ethylic salt, conden- sation of, with ethylic p-nitro- yhenylpropiolate, and with ethylic acetylenedicmboxylate ( RUIIE- MANN and CUNNINGTON), T., 782 ; Y., 1899, 169. condelisation of, with ethylic phenyl- propiolate (RUHEMANN), T., 253 ; P., 1899, 6. Beneoylacetone, condensation of, with ethylic phenylpropiolate ( RUHEMANN), T., 415; P., 1899, 15; (RUHEMANN and CUNNINGTON), T., 781 ; P., 1899, 169.Benzoylazotide, distillation of (SNAPE) and BROOKE), T., 208 ; P., 1899, 22. Benzoyle thylbornylamine (FoitsTm), T., 946. nb-Benzoylethylthiocarbamic acid, aiid amide (DIXON), T., 376 ; P., 1899,52. m- and cLb-Benzoylethylureas ( DIXOW), T., 383, P., 1899, 53. +n-Benzoylethylurea ( DIYON), T., 380 ; P., 1899, 52. Benzoylmalic acid, methylic and ethylic salts, molecular volumes of (FRAXKLAND), T., 349. preparation and specific rotations of (FKANKLAND and WHAK- TON), T., 339 ; P., 1899, 26. Benzoglmethylbornylamine (FORSTER), ab-Beneoylmethylthiocarbamide ab-Beneoylmethylurea ( DIXON), T., T., 943. (DIXON), T., 383; P., 1899, 63. 383 ; P., 1899, 53. \CI-n-Benzoylmethylaea (DIXON), T, , 381 ; P., 1899, 53. Benzo yloxyh ydrox y d i t h y l g l u ~ ~ c acid, lactone of (LAWRENCE), T., 421.Benzoylphenylchloramine. See Phenyl benzoyl nitrogen chloride. Benzoylcyclopropanetricarboxylic acid, TON), T., 785; P., 1899, 169. Benzoylpropylbornylamine ( FORBTER), T., 949. Benzoyltartaric acid, ethylic salt, mole- cular volume of ( FRANKLAND), T., 349. Benzoyltetrahydroqninaldine, d- and I-, rotation, density, and molecular volume of, and T - , density of, and crystalline forms (POPE and YEACIIEY), T., 1073, 1089 ; P., 1899, 199. Benzoyltetrahydro-p-toluquinaldine, 2-, rotatory power of, and T-, crystalline forni of (POPE and RrcIr), T., 1100. Benzoylthiocarbimide (Drxo~), T., 379. Benzoylthiocarbonic acid, imino-, di- ethylic salt (DIXON), T., 378; p., 1899, 52. Benzoyltrimethylenetricarboxylic acid, ethylic salt (KLTHEJIANS arid C'USNI,UU- TON), T., 785 ; P., 1899, 169.n-Benzyl-o-benzylmethylthionrea (DIXON), T., 374; P., 1899, 54. Benzylbornylamine, hydrochloride, platinochloride (FORSTEK), T., 951 ; P., 1899,72. o-nitro-, p-nitro-, hydrochlorides, pla- tinochlorides ( FORSTER), T., 952, 953 ; P., 1899,72. n-Benzyl-u-dimethylthiourea and r-Ben- zyl-7~-v-dimethylthiourea (DIXON), T., 375 ; P., 1899, 54. a-Benzyl-c-diphenylthiobiaret ( DIXON), T., 397 ; Y., 1899, 63. Benzyl-u-ethyl benzyl ketoxime ( FRAN- CIS), T., 869. Benzylic amylic ether, density, specific rotation and molecular volume of ( FRAXKLAND), T., 360. hyponitrite (DIVERS), T., 121. Benzylideneacetone, condensation of, with benzil (JAPP and FINDLAY), T., 1026 ; P., 1899, 164. Benzylideneanhydracetonebenzil (JAPP and FINDLAY), T., 1023, 1026 ; I?., 1899, 164.action of hydriodic acid on (JAPP and FINDLAY), T., 1023 ; P., 1890, 164. carboxylio acid ( JAPP and FINDLAY), T., 1025 ; P., 1899, 164. acid (JAPP and FINDLAY), T., 1025 ; P., 1809, 164, ethylic Salt(RUHEMANN and CUNNING- Benzylideneanhydracetonebeneil-a- Benz ylidene-a-ah ydrobenzillaevulic1194 INDEX 01 Benzylidenebornylamine, and metliiodide niethiodide, behaviour towards phenyl- hydraziiie ; o-nitro- and p-nitro-deri- vatives (FOKSTEIi), T., 1151, 1154 ; P., 1899, 194. (FOliS:'lEK), T., 936. Benz y lidenediphenylcyclopentenone JJAPP and FINDLAP), T., 1023 ; P., 1899, 164. Benzyloxybenzene-21-sulphonic acid, sctlon of broniiue on (Ai:hiSTIiOsG), P., 1899, 177. 9i-Benz ylphenylcarbamylthiourantoin (Drxor), T., 409; P., 1899, 64.Benzylphenylethylene, and its clibromide ( FRANCIS), 1'. , 869. Bismuth, action of, on sulpliuric acid (ADIN), P., 1899, 133. Boric acid, estimation of, by physical processes (BLY'I'H), '1'. ,722 ; P., 1899,51. Brazilein, constitiition of (GILBODY and action of potsssiuni acetate on (PER- Brazilin, coiistitution of (GILBODY aiid derivatives of ( GILIIODY and PERKIN), Bromal hydrate, heat of dissolution, and crystalline form of (POPE), T., 460. Brucine, (2- and E-mnndelates (McKEx- ZTE), T., 967. cyclo-Butane, cvano- (c~anotetrairtcfh?l- cue ; cyclob~~ttc?trca~boxylo?iit~ile) (CAHPENTEB aiid I ' J ~ K I N ) , T., 932. cyclo-Butanedicarboxylic acid (tetra- ?nc*t?q lcitcd icc6 ~*bongllic CK id), axid its cyafiu-deri vative (CAHPEWER and ]'ERICIS), T., 930, 932 ; P., 1899, 134.scc-Butoxysnccinic acid, and iso-Butoxy- euccinic acid, and rotatory powers of ( ~'URDIE and PITKEATIILY), T., 155, 156. &To-Butylacetic acid. See iso-Hexoic acid. Butylbornylamine, hydrochloride, hy- driodide, nitrite, platinochloride (FOR- STEH), T., 950; P., 1899, 72. ?L- and iso-Butylic amplic ethere, density, specific rotation and molecular volume of (PHANKLASD), T., 360. Butyric acid, ainylic salt, density, specific rotation, and molecu~ai volume of (FR~XKLAN)), 'l'., 353. iso-Butyric acid (il6tuthylncetic acid), etliylic salt, velocity of formation and hydrolysis of (YUDBOBOUGH axid LLOYD), T., 474 ; Y., 1899, 3. a-bromo-, ethylic salt, velocity of formation and hydrolysis of (SUD- BOHOUQII aud LLOYD), T., 474 ; P., 1899, 3.PERKIN), P., 1899, 75. KIN), T., 443 ; l'., 1899, 66. ~'EKRIS), I?., 1899, 75. P., 1899, 27. SUBJECTS, iwButyric acid, a-bromo-, ethylic salt, uoiideuvation of, with ethylic ace toace tate, me thy lace toace- tate, malonate, methylmalonate, and cyanacetate (BONE and SPIIANKLING), T., 847. action of the sodium derivatives of ethylic malonate and ethylic cyanacetate on (BONE), P., 1899, 5. Butyrolactone, froin reduction of 8-aldehydopropionic acid ( PERKIN and SI~HANKLING), T., 17. 11- and iso-Butyrylmalic acid^, ethereal salts, specific: I otations a i d xnolecular voloines of ( FRANKLAND), T., 348, 352. C. Cadmium, action of, on sulphuric acid (ADIE), P., 1899, 133. chloride, nnimoniacal, dissociation pressures of (LANG and RIGAUT), T., 553 ; P., 1899, 182.Calcium, chloride, thermal change on diluting a saturated solution of (~'OLLOK), P., 1899, 8. contraction of aqueous solutions of. on dilution (Y~ADE), T., 270 ; P.; 1899, 8. hyponitrite, aiid hyponitrosoacetate, constitution of (DIVERS), T., 117 ; P., 1898, 224. Callzrila vulga&, presence of quercetin in : its dyeing a i d taniiing properties (PERKIN and NEWBURY), T., 837; P., 1899, 199. w-Camphanamide, ?r-bromo- (KIPPING) T., 142 ; P., 1898, 250. Camphanic acid, ?r-bromo-, methylic salt (KIPPING), T., 138, 143 ; P., 1898, 250. cis-?r-Camphanic acid, two isomeric a- 1iytirincIainine salts -of (RIPPING), P., 1899, 173. Camphene, constitution of (MAESH), P., 1899, 54. +-Campholactone, behsviour of, towards sliosphorus pentabroniidc (LEES and Campholide, a-broxuo-, oxidation of, to houiocamphoronic acid ; constitu- tion of (LAYWORTH), T., 1137 ; P., 1899, 203.dibromo-, constitution of (LAPWORTH), T., 1140 ; P., 1899, 202. Camphononio acid, phenylhydrazone, p-bromophexiylhydrazone, semicarb- azone ( LAPWORTH and CHAPMAN), T., 1000 ; P., 1899, 160. ERKIN), P., 1899, 24.INDEX OF Camphor, vapour pressure of (ALLEN), a-dibronio-, behavionr of, towards com- pounds of silver, mercury, and lead (hPWoHTH),T. ,1134; P., 1899,202. oxidation of, with nitric acid and silver nitrate (LAPWORTH and CHAPMAN), T., 992 ; P., 1899,159. auk-tribromo- (LAPWORTH), T., 573 ; P., 1899, 61. Ir-bromonitro-, cause of mutarotation of (Loway), T., 223; P., 1899, 25. nitro-, behaviour towards nitrous acid (LOWRY), T., 230.normal nitro-, cause of niutarotation of (LOWRY), T., 215 ; P., 1899, 25. Camphorenic acid, bromo-, from a-di- broinocamplior ; constitution of (LAP- WOI:TII),T., 1135, 1138 ; P., 1899, 202. Camphoric acid, cxpcrimeiits on the synthesis of (AUDEN, PERKIX, and KOSE), T., 909 ; P., 1899, 162. phenylic hydrogen, tlymylic liydro- gen, guaiacylic hydrogen, carv- acrylic hydrogen, eugenylic hydro- gen, and B-naphthylic hydrogen salts (SCHRYVER), T., 6 6 3 ; l’., 1899, 121. salyl hydrogan, wz-nitrophenylic hy- drogen, p-broniophenylic hydrogen, and 2 : 4-dibroniophenylic hydrogen salts (SCHRYVEE), T., 667 ; P., 1809, 121. Camphoric acid, rw-dibromo-, and auhydride (KIPPING), T., 133 ; P., 1898, 250. .r- bromo-w-chloro, and anhydride (KIPPING), ‘f., 138 ; P., 1898, 250.Csmphoronic acid from camphononic acid (LAPWOETH and CIFAPMAK), T., 1003 ; P., 1899, 160. iso-Camphoronic acid, constitution of (PERKIN and THO~WE), T., 897 ; P., 1890, 184. Camphoroxime, T-, resolution of ; cZ- and I - , and their ~Z-camphorsulphonates, rotatory power of (POPE), T., 1105 ; P., 1899, 199. behaviour of, towards potassium hypo- bromite (PORSTEH), T., 1141 ; P., 1899, 193. Camphorquinone from nitrocamphor Camphoraalphonic acid, bromo-, two isonieric a-hydrindsiuine salt8 of (KIPPING), P., 1899, 172. ad-ddbromo-, and salts, chloride, bromide, amide, piperidide (LAP- d-Camphorsulphonic acid, d- and Z- caniphoroxime salts, crystalline form and rotatory power of (POPE), T,, 1105; P., 1889, 199, P., 1899, 135. (LOWKY), T., 230. WOHTH), T., 561 ; P., 1899, 61.IUBJECTS. 1195 d-Camphorsnlphonic acid, i-a-phenethyl- aniine salt, rotatory power of (POPE and HARVEY), T., 1110 ; P., 1899, 200. d- slid Z-a-phenylhenzylmethylallyl ammonium salts, rotatory power of (POPE and PEACHEY), T., 1128 ; I’., 1899, 192. d- and Z-tetrahydroquinaldine salts of, and aniuonium salt ; and a-bromo-, h a l t , rotatory powers of (POPE and PEACHEY), T., 1067,1084 ; P., 1899, 199. d-Camphorsulphonic acid, bromo-, d - and 2-tetrahydro-p-toluquinaldine salts of (POPE and RICH), T., 1093; P., 1899, 200. Csmphorsulphonic chlorides, d- and pseudoracemic ( KIPPING and POPE), T., 1121 ; P., 1899, 201. Cane sugar. See Sucrose. Cannabinol, and trinitro- and acetyl derivatives (WOOD, SPIVEY, and EASTERFIELD), T., 20, 21; P., 1898, 153, 185.Cannabinolactone, and amino-, iodo-, oxidation and reduction derivatives (WOOD, SYIVEY, and EASTERFIELD), T., 20 ; Y., 1898, 60, 185. Cannabinolactohic acid, ethylic and potassium salts, and decomposition products (WOOD, SPIVEY, and EASTER- FIELD), T., 34, 35 ; Y., 1898, 185. Caproic acid. See Ib-Hexoic acid. Caprylic acid. See Octoic acid. Carbamide (urcn), contraction of aqueous solutions of, on diluting (WADE), T., 271 ; P., 1899, 8. Carbohydrates, action of hydrogen brom- ide on (FENTON and QosrLINa), T., 423; P,, 1899, 57. action of hydrogen peroxide on, in presence of ferrous salta (MOHBELL and Cr,oFrs), T., 786 ; P., 1899, 99. Carbon; atomic weight of (DEWAR), P., mode of burning of (DIXON), T., 630 ; 1898, 175. P., 1899, 118. action of, on dry oxygen or carbon di- oxide (DIXON ; BAKEB), T., 638 ; P., 1899, 118.action of, on sulphuric acid (ADIE), P., 1899, 133. inonoxide (ca~bonic oxidc) the first pro- duct of oxidation of carbon (DIXON), T., 639 ; P., 1899, 118. dioxide (ca~bonic: anhydride), in moor- laiid waters (ACIUOYD), T,, 196 ; P., 1899, 2. Carbonate#, analogy of hyponitrites t o (DIYEKB), T., 124,1196 INDEX OF SUBJECTS. Carbon dienlphide, influence of moistnre en the combustion o f ; igni- tion and decomposition t, Om p eratures o f ; action of light on (DIXON and RUSSELL), T., 600 ; P., 1809, 114. Carbonyl sulphide (carbon oxysulphide) and monoxide, formed in explosion of carbon disulphide with oxygen (DIXON and RUSSELL), T., 610 ; P., 1899, 114. Carboetyril, absorption spectra a i d con- stitution of ( HARTLEY and DOBBIE), T., 646 ; P., 1899, 47.cis-Caronic acid (cis-dimethylcyclopro- pa?w-l : 2-dimrboxylic mid), synthesis of, and its conversion into terebic acid ; also its anhydride (PERKIN and THORPE), T., 56 ; P.: 1898, 108. tram-Caronic acid (trans-dimethylcyclo- propawl : 2-dicnrboxylic acid), syn- thesis of; alsoits conversion into terebic acid and into cis-caronic acid (PERKIN and THOILPE), T., 56 ; P., 1898, 108. Carvacrylglncoside (RYAN), T., 1056 ; P., 1809, 196. Casein, animal- or vegetable-, alxorption spectrum of (BLYTH), T., 1163; P., 1898, 175. Catechol (pyrocatcchol, 1 : 2-dihyd~oxy- benzene), condensation of, with benzoiu (JAPP aild MELDHUM), T., 1039; Y., 1899, 167. Ch.ione glabm, constituents of, and pres- ence of o-hydroxyacetophenone in wood of (DUNSTAN and HENRY), T., 67 ; P., 1898, 220.Chloral hydrate, latent heat of fusion and crystalline form of ( POPE), T., 455. Chloroform, method for providing a mix- ture of, with air in any desired propor- tion, and its estimation in such mix- tures ( HARCOURT), T., 1060 ; P., 1899, 188. Chloroenlphonic acid, action of, on the paraffins and other hydrocarbons as a means of purifying the normal par- affins (YOUNG), T., 172; P., 1899, 22. Chryein, action of potassium acetate on (PERKIN), T., 441 ; P., 1899, 66. Cinchonidine, d- and Z-mandelates (MCKENZIE), T., 967. Cinohonine, d- and 1-mandelates ( MUHEN- ZIE), T., 966. Cinnamaldehyde, condensation of, with anhydracetonebenzil (JAW and FINDLAY), T., 1024 ; P., 1899, 164. Cinnamic acid (@-pJ~enylacs.ylic acid), ethylic salt, action of ethylic cyan- acetate on (THOHPE and UDALL), T., 906; P., 1899, 184.a- and B-dibromo-, and their ethylic 88ltS(RUHEMANN and CUNNINGTON), T., 960 ; P., 1899, 185. Cinnamylideneanhydraeetonebensil (JAPP :ind FINDLAY), T., 1024; P., 1899, 164. Citraeinic acid, action of nitrous acid on (SELL and JACKSON), T., 508 ; P., 1899, 98. 13‘-nitroso-, action of acetyl chloride on (SELL and JACKSON), T., 513 ; P., 1890, 98. Citric acid, mono-alkali salts of, action of molybdic, tungstic, titanic, and stan- nic oxides on (HENDEBSON, ORR, and WR~TEHEAD), T., 546 ; P., 1899,107. Cobalt, action of, on sulphuric acid (ADIE), P., 1899, 133. Coke, action of oxygen and of oxygen containing carbon dioxide or carbon moizoxide on (DIXOX) T., 632 ; P., 1899, 118.Colonring matters, phenolic, formation of salts by (PERKIN), T., 433 ; P., 1899, 68. Coniine, ‘* racemic,” molecular refraction of (POPE and PEACHEY), T., 1111. Copper, action of, on sulphuric acid (ADIE), P., 1899, 133. Cnpric hydroxide liypoiiitrite ( DIVERS), l’., 121 ; P., 1898, 224. sulphate, thermal change on diluting a saturated solution of (POLLOK), P., 1899, 8. Cuprctartaric acid, aiid its potassium, sodium, lead, and silver salts (MAssoN and STEELE), T., 725 ; P., 1899, 120. Corydaldine, preparation of (DOBBIE and LAUDER), T., 673 ; P., 1899,129. nitroso-, action of sodium hydroxide I?., 1899, 129. Cotton flowers, the colonring matter of (PERKIK), T., 825,827 ; P., 1899,161. o-Creeol and p-cresol, action of acetyl- chloroglncose on (RYAN), T., 1056 ; P., 1899, 196.Crystallography of iodoforni (POPE), T., 46 ; P., 1898, 219. Cuminaldehyde (czlmi?&o2), condensation of, with anhydracetonebenzil (JAPP and FISDLAY), T., 1023 ; P., 1899, 164. +-Carny1 hydrosnlyhicie (COHEN and S~mtitow), T., 892 ; P., 1899, 183. q-Cnmylene disulphide (COHEN and Cumylideneanhydracetonebenzil ( JAPP aiid FINDLAY), T., 1024 ; I-’., 1899, 164. Cnrcnmin, action of potassium acetate on (PEimm), T., 443. Cyanogen, equivalent of (DE~x), P., 1898, 174. Cysnuric acid, absorption spectrum and constitution Of (HARTLEY), P., 1899,46, On (I)ORBIE alld LAWEK), T., 673 j SKIMW), ‘r., 892; P., 1899, 183.INDEX OF SUBJECTS. 1197 Cpnodiphenyhrfurfm (JAPP and MEL- DRUM), T., 1038; P., 1899, 167. Cymyl hydrosulphide (COHEN and SKIRROW), T., 892; P., 1889, 183.D. Dacryocih hexandma, the oleo-resin of (MORE), T., 718; P., 1899, 150. Dalton, preseutation of daguerreotype of, P., 1899, 68. Dehydrotrimethylbrazilone and acetyl derivative (UILRODY and PERKIN), 1’. , 1899, 27. Density of aqueous solutions (WADE), T., 255 ; P., 1899, 7. Deoxybenzoin ( y l m y l benzyE kctone), condensation of, with benzylidene- aniline (FRANCIS), T., 867 ; P., 1899, 181. Dephlegmator, forms of, for fractional distillation (YOUNG), T., 698 ; Y., 1899, 147. Desylenebenzylideneacetone (JAW and FINDLAY), T., 10%; P., 1899, 164. y-Desylphenol (JAPP and MICLDRUM), T., 1037 ; l’., 1899, 167. Deaylthymol, a ~ i t ncetyl derivatives (JAW and MELDRUM), T., 1037 ; l’., 1899, 167. Dextrin, the stable, nnd its oxidation, hydrolysis, and constitution ; also its relation to the Inalto-dextrins and soluble starch (BROWN and MILLAR), T., 315 ; P., 1899, 13.nitration and attempted recovery of (BROWN and MILLAR), T., 310; P., 1899, 13. Dextrinic acid, and its hydrolysis, nitration and constitution ; also its calcium salt (BROWS and MILLAR), T., 325 ; P., 1899, 13. Dextrose (d-glucose, grape sugar), from hydrolysis of dextriiiic acid ( I~ROWN and MILLAK), T., 330; Y., 1899, 14. from acid hydrolysis of maltodestrin and maltodextrinic acids (HitowN and MILLAR), T., 293 ; I’., 1899,ll. hydrolysis of, with o d i c :wid (Rriows ant1 MILLAIL), T., 306 ; P,, 1899, 12. oxidation of, by hydrogen peroxide (MORRRLL and CROP‘I‘s), T., 788 ; l’., 1899, 99. Diacetobenzidine and its dicliloro-deri- vative, action of fuming srilpliaric acid 011 (I~AGNALL), ‘l’., 279 ; P., 1898, 182.(JAW and MELDRUM), T., 1045 ; P., 1899, 169. VOL. LXXV, Diacetodidesyl-p- phenylenediamide Discetoxy-1SBf-dipyridy1eile oxide (SELL and JACKSON), T., 517 ; P., 1899, 98. Diacetylglyceric acid, and its di-mono-, di- and tri-chloro-derivatives, ethereal salts, densities, specific rota- tions and molecular volumes of ( FRANKLAND), T., 355. 7-Diacetyl-B-phenylcrotoaic acid, ethylic sslt (HUHEMANN), T., 415 ; P., 1899, 15. Diacetyltartaric acid, and mono- and di-chloro-derivatives, ethereal salts, densities, specific rotations and mole- cular volumes of ( FRANKLAND), T., 362, 369. Diazobenzene, pcrbrotnide, and sul- phonate, action of bromine on (ARM- STROKG), P., 1899, 176. Dibenzoylglyceric acid, ethereal salts, densities, specific rotat ions and mole- Cdar volumes of ( FKANI~LAND),T.,356 ; (FILQNKLAND and AsrON), T., 498; P., 1899, 106. Dibenzoylmesitylene, preparation of (MILLS and EASTERFIELD), P., 1899, 22. Dibenzoylmesitylenic aoid (MILLS and EASTERFIELD), Y., 1899, 23. Dibenzoyloxy-88’-dipyridylene oxido (SELL niid JACKSON), T., 517, P., 1899, 98. Dibenzoyltartaric acid, methylic and ethylic salts, molecular volumes of (FKASKLA4KD), T., 349. Dibenzoyltrimesic acid (MILLS and EbSTEKFIELD), P., 1899, 23. Dibenzoylnvitic acids, isonieric (MILLS Dibenzyl ketone, action of light and of oxygen on (FORTEY), T., 871 ; P., 1899, 182. condensation prodncts of, with benz- ylidene aniline ; action of sodium ethoxide on ; bromo-, action of ammonia or aniline on (FRANCIS), T., 865 ; P., 1899, 181.and EASTEKFIELD), P., 1899, 23. Dibenzyl ketone phenylhydrazone (Frtaxrrs), T.! 868; P., 1899, 182. Dibenzyl ketoxime (FEANCIS), T., 868 ; P., 1899, 182. Dibenzylmesitylene (MILLS and EASTER- FIELD), P., 1899, 23. s-Dibenzyl-n-methylthiourea (DIXON), T., 374 ; P., 1899, 54. ~-?Lz,-Dibenzylmethylthionrea (DIYON), T., 375. Dibenzyl-B-naphthylamine (MOM AN), I’., 1899, 10. Dibntyryltartaric a 11 (1 Diisobntyryl- tartaric acid, etliereal salts, densities, specific rotations and moleculm volumes of ( FRAKKLAND),T., 361,362. 4 L1‘198 INDEX OF 3UBJECTS. Dicampherylic acid, arid methylic salts, oxime, pheriylhydrazone ( PERKIN) ‘I‘., 179 ; P., 1893, 110. fusion of, with potash (PERKIN), T., 185 ; l’., 1895, 24. Dicaproyltaftaric acid. See Dihexoyl- tartaric acid.Dicnmylene disulphide (COIIEN and SRIKHOW), T., 891 ; p., 1899,183. Dicymylene disnlphide (COIIEN and SKIKI~OW), T., 892; P., 1899, 183. Didesyl-p-phenylene~a~ne, and its diacetyl derivative (JAPP and MKL- DRUM), T., 1045 ; P., 1899, 169. d-Diethoxysuccinic acid, and its ethylic, silver, socliuni, calcium, harium, acid potassiuni and acid aninioiiiiirn salts, and their rotatory powers (I’ITILDIE and Pr~r;~Ar~r,~),T.;158; P., 1899,6. Diethglacetoacetio acid, y;l)ronio-, etliylic salt ( LAWILENCE), J?., 423 ; P., 1898, 252. y-cyano-, ethylic salt (LAWRESCE), Diethylamine, action of, on ethylic yhenylpropiolate and acetylenedi- carboxylato (RUHEMANN and CUN- action of hydrogen peroxide on (DUN- STAN aiid GOULDING), T., 1009 ; P., 1899, 124. Diethylaminocinnamic acid, from action of diethylamine on etliylic pllcnyl- propiolate (RUIIEMAXN and CITNNIKG- TON), T., 956; P., 1889, 155.Diethylaminomaleic acid, etliylic salt ( RFHEMANN and CUNNISGTON), 1’. , 95r ; P., 1899, 155. Diethylbornylamine, phtinocliloride (FOIWTER), T., 947 ; P., 1899, 72. 8-Diethylhydroxylamine, formation of, by action of hydrogen peroxide on diethylamine ( D m s r A N and GOULDING), T., 1009 ; I?., 1899,124. and its salts ; also dcconiposition and rcduction, and the actiori of ethylic iodide on (DUNSTAN and GOULD- ING), T., 800 ; P., 1899, 59. ad-Diglutaric acid, and diniethylic salt (SELL and JACKSON), T., 515; P., 1899, 98. Dihexoyltartaric acid (dicccproyZtnrtnI*ic acid), ethereal salts, densities, specific rotations, and molecular volumes of (FRANKLAND), T., 362.Dihydrocamphoric acid ( CRORSLEY), T., 771 ; Y., 1898, 247. Dihydro-+lauronolic acid, bromo-, nieth- Dihydrotetrazine (tctrawliw) ( J%UHE- MANN and STAPLETOS), T., 1133 ; P., 1899, 191 ; (PELLIZARI), A,, i, 859. rr., 423 ; P., 1898, 252. NINOTON), rr., 956 ; P., 1899, 185. J’liCSdt( LEESandPERKIS),P. ,1899,24. Dihydroxydibenzylmesitylene (MILLS and EASTERFIELD), P., b1899, 23. a’8-Dihydroxy-aa-diethy~lu~~c acid, lactone of (LAWRENCE), T., 423. a’& Dihydrox y-aa-dhethylglntaric acid, lactoiie of, aiid its methylic and etliylic salts, and its reduction (LAW- 2 : 2’-Dihydroxy-6 : 6’-dioxy-6 : 5’-dipyr- idyl-4’ : 4’dicarboxylic aoid, nitroso- and its hydroxylamine salt (SELL and ILEUCE), T., 419. JACKSON), rr., 514; P., 1899, 98.Dihydroxy -SB’-dipyrid yldi-y-qninone, and dioxilno ant1 scinicarbazone (SELL and JACRSOS), T., 516 ; l’., 1899, 98. Dihydroxy-88’-dipyridylene oxide, di- chloro- arid acetyl and beiizoyl deriva- tives (SELL and JACKSON), T., 517 ; P., 1899, 98. Dihydroxylamine in reduction of nitrites (DUNSTAX ; HUSTLY), di,- cussion, P., 1898, 285. Dihydroxymaleic aoid, preparation of crystalline glycollic aldehyde from (FENTON and JACKSON), T., 575 ; P., 1899, 119. 8 y -Dihydroxy -aa-methylethylglntaric acid, lactone of (LAWEENCE), T., 422. 2 : 6-Dihydroxy-4-phenyl-3-benaylppr- idine(EvIImu”),T., 249;1’., 1899,6. 2 : 6-Dihydroxy-4-phenylpyridine-3- carboxylic acid, etliylic salt (RUHE- MAN>), T., 247 ; P., 1899, 6. Dimethylacetoacetic acid, 7-cyano-, inetliylic salt, and its hydrolysis (LAWRENCE), T., 418 ; I)., 1898, 1251./3B-Dimethylacetylsuccinic acid, ethylic salt, action of methylic iodide on the sodium derivative (ROSE and SPRANK- LING), T., 848. s- and ns-Dimethylacetylsuccinic acide, ethylic salts (BONE and SPBANKLING), T., S i 5 . &Dimethylacrylic acid. See Pentenoic acid. Dimethylamine, action of hydrogen pcr- oxide on (DUNSTAN and GOULDING), T., 1009. Dimethylaniline-p-sulphonic acid, action of bromine on ( ARMISTKONG ; EVANS), l’., 1899, 176. Dimethylbornylamine, hydrochloride, platiiiochloriile (FOHSTEL:), T., 944 ; P., 1899, 72. Dimethylbornylammonium iodide (FOR- Dimethylbradlin, oxidation product of (GILBODY and PEKRIN), P., 1899, 75. Dimethylbutanetricarboxylic acid,. and its anhydro-acid, and doer, calcium, and ethylic salts (PERKIN and THORPE), T., 902 ; P., 1899, 184.SrIcIq, T., 951.INDEX OF SUBJECTS. 1199 Dimethylbntahetricarboxylic acid, cyano-, ethylic salt, and i t 4 hydrolysis (PERKIN and THORPE), T., 900 ; P,, 1899, 184. BB-Dimethylbutyric acid. See Hexoic acids. Dimethyldihydroresorcinol, and silver aiid bromo-iieriv,ztives, and ethylic ether (CROSSLEP), T., 772 ; P., 1898, 247. froin action of etliylic sodiornalonate on uiesityl oxide (CROSSLEY), P., 1899, 52. Dimethyldihydroresorcylic acid, ethylic salt of (CI?ossLEY), T., 7i2. Dimethylethylbornylammonium iodide (FOKSTEIL), T., 947. aa-Dimethylglutaconic acid, supposed forniatioii of (LAWRENCE), Y., 1898, 252. BB-Dimethylglutar-anil and -anilic acid (~ItOSSLRV), T., 777.a?’-Dimethylglutaric acids (pcntmiedi- cn?*bo.n~Zic nritiu), forniatioii of (BONE and SPRANKLING), T., 850. BB-Dimethylglutaric acid and anhydride (CKOSSLEY), T., 777, i i 8 . from hydrolysis of ethylic BB-di- ~nethyll~ro~ianet etracarbosylate (LAWKENCE), P., 1899, 62. BB-Dimethylglutaric acid, a-homo-, ethylic, hydrogen ethylic and nrothylic salts ; also nctioii of potash and of dietliylaniline on (PmLmN and TmI:m), T., 54 ; P., 1898, 108. aa,-dibronio-, methylic salt, properties 108. ucyano-, ethylic salt, action of nicthylic iodide on the sodium derivative of (PEKKIN aiid THORPE), T., 63; P., 1898, 251. ctliylic aiid hydrogen cthylic salts of ( h K K I N and THO K P I ~ ) , T., 52. ycyano-, e thylic salt, condensation of, with ethylic broniacetate ( PEK- KTX and THORYE), T., 900 ; P., 1899, 184.BB-Dimethylglutaric anhydride, and action of broniiiic 011 ( I’ICRKIN aiid THORPE), T., 54 ; I?., 1898, 107. BB-Dimethylglutarimide ( PERKIN and TtiOl:PE), ‘ll., 53. BB-Dime thy lpropane te tracarboxylic acid, etliylic salt ( L ~ w v a m c ~ ) , P., 1899, 62. 813-Dimethylpropanetricarboxylic acid, froni hydrolysis of etliylic Bj3. cli- methylyropanetetracarboxylnte (LAW- HENCE), P., 1899, 62. Dimethylpropylammonium iodide (FOR- GTER), T., 949, Of (I’EIiKIN alld ~’IiOlLYE), l’., 1898, 2 : 6-Dimethylpyrone, and salts (COLLIE and TICKLE), T., 712 ; P., 1899, 148. hydrochloride and oxalate, electrical conductivities of (COLLIE and TICKLE), T., 710 ; P., 1899, 148. aa-Dimethylsnccinic acid (isobutanedi- caybox!/Zic acid), formation of (BOXE), P., 1899, 5 and aiihydride, anilic acid, and cnl- ciuni salt (BONE and SYILANKLING), T., 848.cyano-, ethylic salt, formation and hydrolysis o f ; also the action of niethylic iodide on its sodium deri. vative (HONE), P., 1899, 5. cis- and trtc~~s-a~-Dimethylsuccinic acids, aiid auhydrides, anilic acids, and cal- cium salts (BONE and SPRANRLTNO), T., 848. aB- and BB-Dimethylsuccinic acida, cyano-, ethylic salts ; hydrolysis ; also action of ethylic iodide on the latter ( BUNE and SPRANKLIKG), T., 553. Dimethyltetrahydroresorcinol, bromo- (CROSSLEY), T., 776. 9 : 10-Diphenacyldihydrophenanthrene, 9 : lO-diamino-, hydrolysis of (JAPP and MXLDRWM), l’., 1032 ; P., 1899, 166. Diphenylacetic acid, preparation of, from benziniidoxydiphen ylacetic acid and from triphenyloxazoloie (JAPP and FINDLAY), T., 1030; P., 1899, 165.ethylic salt, velocity of forinatioii of (SUDBOEOUGH and LLOYD), T., 478 ; Y., 1899, 3. Diphenylaceto-a-pyrone (RUHEMANK), T., 416 ; P., 1899, 15. m-Diphenyl-c-benzylthiobiaret ( DIXON) , T., 407 ; P., 1899, 64. n-Diphenylcarbamy l-B-phenylthiosemi- carbazide (DIXON), T., 399 ; 1’. , 1899, 63. Dipheny lcarbamylthiocarbimide (DIXO”), l’., 393 ; P., 1899, 63. n-Dipheny Icarbamylthiourantoin (DIXON), ‘l‘., 398 ; P., 1899, 63. Dipheny ldibenz yldih ydropyrssine (FlLAXcIs), T., 870. Diphenyldibenz ylketodimethylamine Diphenylene tlisulpliide, and clisulphoiic n-c-Diphenyl-e-ethylthiobinret (DIXON), c-Diphenyl-methyl thiobiuret ( DIXON), ((4-Diphenyl-c-me thylthiobinret e-Diphenyl-a-methylthiobiuret (DIXON), (FI:AWIS), rr., 870.( C b I ~ ~ X n1id SKI~:J~O\\.), T., 8SS ; P., 1899, 183. T., 405 ; P., 1899, 64. T., 396 ; P., 1899, 63. (DISON), T., 401 ; P., 1899, 64, T,, 396, 492 ; P., 1809, 63, 64. 4 ~ 21200 INDEX OF SUBJECTS. 4 : 6-Diphenyl-2-pyrone-6-carboxylic acid; ethylic salt ( RUHEMANN) T., 253 ; P., 1899, 6. action of alcoholic ammonia on ( RtTHE~ANN),T., 414; P., 1899,55. p-nitro-, ethylic salt ( RUHEMANX and CUNNINGTON), T., 782 ; P., 1899, 169. n-Diphenyl-B-thioallophanic acid, bcnz- ylic salt of (DIXON), T., 400 ; P., 1899, 61. c-Diphenylthiobiuret (DIXON), T., 397 ; P., 1899, 63. a-Diphenyl-c-o-tolylbiuret ( DIXON), T., 396 ; P., 1899, 63. c-Diphenyl-a-o- tolylthiobiuret ( DIXON), T., 395 ; P., 1899, 63. c-Diphenyl-n-p-tolylthiobiuret (DIXON), T., 396 ; P., 1899, 63.Dipropionyl tartaric acid, e th cresl sal ts, density, specific rotation, a i d inolecu- lar volume of (FKANPLAKD), T., 361. Diisopropoxysuccinic acid, and its bar- ium, calcium, niagnesiuin, and isopro- pylic salts (PURDIE mid PITKEAFII- LY), T., 156 ; P., 1899, 6. Dipropylamine from reduction of 15-di- propyl liy droxylani h e , and its hydro- chloride and platinocliloride (DUN- STAN alld GOULDING), T., 804. action of hydrogen peroxide on (DUN- STAN 3lld GOULDING), T., 1010. Diimpropylamine from reduction of 8- diisop~o~~ylhydroxylami~~e, a i d hydro- chloriJe and platinochlo~ide (DUN- STAN and GOULDIXG), T., 805. 13-Dipropylhydroxylamine, format ion of, by action of hydrogen peroxide on dipropylamine (DUNSTAN arid GOUI~DISG), T., 1010.and its acid oxalate, also its reduction ( I)UNSTAN and GOULDINO), T., 803 ; P., 1899, 60. B-Diisupropylhydroxylamine, and recluc- tion (DUNSTAN and GOULDING), T., 804 ; P., 1899, 60. s-Diisopropylsuccinic acid, isomeric forms ot, and the anhydrides and cslciuin salts ; also the dissociation constants (HONE and SPRANKLIKG), l’., 1899, 149. Dissociation constants of isomeric a-ili- isopropylsuccinic acids ( I ~ N E and SPKANKLING), P., 1899, 149. of the niethyl-snbst.itutcd succinic acids (BONE and SYHANKLING), T., 862. of B-isoIlrol-’?‘lglntari~ acid ( HOWLES aiid ‘J?x~oiti~~c), Y., 1899, 104. Diseociation pressures of amnioniacsl cadmium chlorides (LAXG and KIG- AUT), rr., 883 ; P., 1899, 182, Distillation, fractional, forms of still- head for (YOUXG), T., 679 ; P., 1899, 147.o-, m-, and p-Ditoluoylglyceric acids, metliylic and ethylic salt[), specific rotations of, and in solution (FRANK- LAXI) and ASTON), T., 493; P., 1899, 105. Ditoluoyltartaric acids, o-, m-, and p-, inetliylic and ethylic salts, molecular voluines of (E’RANKLAND), 1’. , 349. Ditolylene, disulphicle anti disnll~hone (COHEN and SKIHI~OW), T., 890; P., 1899, 83. Divaleryltartaric and Diisovaleryltar- taric acids, ethereal salts, densities, specific rotations and molecnlnrvolumes c?f (FRANKLAND), T., 362. Dixylylene, disulpliitle (COIIEN and 183. n-Dodecoic acid, amylic salt, density, specific rotation and molecular volunie of (FRANKLANU), T., 358. Dulcitol, action of hydrogen peroxidc on, in presence, arid in abscnce of iron (FENTON and JACKSON), T., 9 ; P., 1898, 240.Dyer’s broom, colonring matters and dye- i ~ i g properties of ( E’RRK IN arid NRW- BUILY), ‘IT., 830; P., 1899, 179. SKIRROW), IT., 870 ; I’., 1899, E. Electrical conductivity of solutions of boric acid ( I ~ L Y T ~ ) , T., 724 ; P., 1899, 51. of Z-pher,yliiiethoxyacetic acid (Mc- KENZIE), T., 767. Electrolysis of solution of potassium cuprotartrate (MASSON and STEELE), l‘., 725 ; P., 1899, 120. Electrolytic dissociation of Z-phengl- methoxyacetic acid, and of d-mandelic acid ( MCKF:KZIE), T., 768. Equilibrium between d- and Z-pinene and solutions in methylic or ethylic alco- hols (KIPPING and POPE), T., 1123 ; Y., 1899, 200. Erythritol, action of Iiyclrogen peroxide ou, iii presence and in absence of iron (Frss~ox and JACKSON), T., 7 ; P., 1898, 240.osidation of, by atmospheric oxygen in sunlight in yrescnce of iron (FENTOS and JACKSON), T., 10 ; P., 1898, 240. Ethane, s-!ctrtrhromo- (nccl,t/lcnic tetra- bromide), actioii of, 011 ethylic malon- ate, in prescnce of sodium ettioxide (CROSBLEP), P., 1898, 248.INDEX OF SUBJECTS. 1201 Ethanetetracarboxylic acid (cccctyEene tetmcnrboxylic acid), ettiylic salt, froin action of ethylic sodio malonate on ethylic dibromo. maleate (RUHEMANN and CUN. NINGTON), T., 963 ; P., 1899,186. froni action of acetylene tetm. bromide on ethylic inalonate i c presence of sodirun ethoxidf ( C~OSSLEY), P., 1898, 248. Ethenyltriaminonaphthalene, acetyl and benzoyl derivatives ( MELDOLA and I ’ m L m > s ) , T., 1011 ; l’., 1899, 187. Ethenylnaphthylenediamine, iodo (MELDOLA and PHILLIPS), T., 1016 P., 1899, 187. Etherification constants of substituted acetic acids (SunBonouaxI and LLOYD), T., 467 ; Y., 1899, 2.Ethoxybenzene-p-sulphonk acid, nctiol; of bromine on (ARnISTItONG), P., 1899, 177. Z-Ethoxypropionic acid, and methylic, etliylic, and metallic salts, specific rotations of (PURDIE and I R V I N ~ ) , T., 486 ; P., 1899, 74. Ethoxysuccinic acid, prttparation of, by tlie actioii of etliylic ioditle on ethylic malate in presence of silver oxide ; also its acid sinmoiiium salt, and their rotatory powers (PURDIE and Ethoxysuccinic acid, ethercnl salts, specilic rotations and iiioleculitr volnnies of ( F~L~XKLAND), 1’. , 353. ethylic salt, prqwation of, by actioll of ethylic ioditle 011 silver malate (Punnmancl P~~KEATHLY), T., 154.Ethoxy-p-xylicacid[hIe: hle: COOH : OEt = 1 : 2 :4:6J,ethylicsalt (I’EIIKIN), T., 193. &Ethylacrylic acid. Sec Penteiioic acids. Ethylbornylamine, hydrochloritle, hydr- iodide, nitrite, platinochloride, nitros- amine, acetyl and 1)enzoyl derivatives Ethylene, tribronio- (CROSSLEY), P., 1898, 248. Ethylenic glycol, action of hydrogen peroxide on, in presence and in absence of iroii (FENTON and JACKSON), T., 2 ; P., 1898, 210. oxidation of, by atmospheric oxygen in sunlight in presence of iron ( FENTON and J a c ~ s o ~ ) , T., 10 ; P., 1898,240. Ethylic alcohol, action of hydrogen peroxide on, in present': and in abseuce of iron (FENTON and JACKSON), T., 2 ; P., 1898, 240. Ethylic ainylic ether, density, specific rotation and mo1e:ular voluine of (FRANKLAND), T., 360.I’LTKEATHLY), T., 157 ; P., 1899, 6. ( F ~ R K ~ E R ) , rr., 945 ; P., 1899, 72. Ethylic hyponitrite (DIVERS), T., 121. Xthylthio.carbimide, action of, on sodium acetanilide ( DIXOS), T., 384. F. Fehling’s solution, the blue salt of (MAYSON and STEELE), T., 725 ; P., 1899, 120. a-Fencholenic acid, and salts, nitrile (COCKBURN), T., 506 ; I)., 1899, 106. 8-Fencholenic acid, and salts, amide and nitrile (COCKBURN), T.,b03 ; P., 1899, 106. Fenchone, behaviour of, towards sul- phuric acid (MARSH), T., 1058 ; P., 1899, 196. Fermentation, alcoholic, bv vnast. rela- tion of, to .food supply ( S h t N ) , T., 205 : P., 1898, 183. Fisetin, potassium derivative of, and Schmid’s disodium derivative (PEn- XI?\’), T., 441 ; P., 1899, 65. Flavone-group of coloiiring matters, salts of, and their acidic and basic properties and structure ( PE~~sIN), T., 436, 450 ; Y., 1899, 65.Formaldehyde, action of hydrogen per- oxide on (HARDEN), P., 1899, 158. actioii of, on derivatives of B-naphthyl- aniine :MORGA,N), P., 1899, 9. Formanilide, p-chloro-, formation of (CHATTAWAY and OETON), T., 1049 ; P., 1899, 153. Formic acid, amylic salt, density, specific rotation and molecular voluine of ( F~~ANKLAND), T., 358. cyaiio-, ethylic salt, condensation of, n4 th ethylic sodionidonate (RUHE- MASN and CUNNINGTON), T., 786 ; P., 1899, 169. Formyl phenylnitrogen cliloritlc ( f m y l - chlora,iiiinobcn-eiic), and p-chloro-, and 2 : 4-dichloro- (CHATTAWAY and ORTON), T., 1049 ; P., 1899, 153. Furfuraldehyde (ficrfi~rol), oxidation of, with hydrogen peroxide (CROW, IjEVAN, and HEIBERG), T., 747 ; l’., 1899, 130.Furfuran (ftsmn), derivatives from benzoin and phenols (JAPP and Mm- DRUM), T., 1035; P., 1899, 167. 0. laIactose, oxidation of, by hydrogen peroxide ; metliylpheuylliydrazone (MOI~RRI~L a i d CROFTS), T,, 790; P., 1899, 100.1202 INDEX OF SUBJECTS. Oallacetophenone (trihydroqmtophen- one), action of potassium acetate on (PERKIN), T., 443 ; P., 1899, 65. Gallotannic acid, optical activity of (ROSESHEIM and ~cIiIDROWITz), P., 1899, 67. Oas analysis, absorption of nitric oxide in (DITERS), T., 82 ; P., 1898, 221. Oases, solution of iodine in (BROWN), P., 1898, 244. Gelatin, ahsorption spectrum of (RLYTH), T., 1166 ; P., 1899, 175. Genistein and its triacetyl and tctm- bronio-derivatives, dinietliyl ether, decomposition products and dyeing properties (PEILKIN and NEWBURY), T., 832, P., 1899, 179.CTeitistn timtorin, colouring matters and dyeing properties of ( PEI~KIN and 179. Glncoside, presence of a, in cotton flowers, and dyeing y”perties of (PERKIN), T., 825 ; P., 1899, 161. synthetical preparation of (RYAN), T., 1054 ; P., 1899, 196. Olutaric acid, formation of (BONE and SYBANKLIKG), T., 850. Olyceraldehyde, from osidtltion of glycerol by hydrogen pwoxicle in presence of iron (FENTON and JACK- SON), T., 4 ; P., 1898, 240. Olyceric acid, ethereal “salts, densities, specific rotations and molecular vol- uines of (FHANKLAND), T., 354. Glycerol (gZyccri/i),. action of hydrogcn peroxide on, in presence, and in absence, of iron (FENTON and JACIi- SON), T., 4 ; l’., 1898, 240.oxidation of, by atniosphcric oxygen in sunlight in presence of iron (FENTON ancl JACKSON), T., 10 ; P., 1898, 240. Olycollic aldehyde from oxidation of ethylenic glycol By hydrogen per- oxide in presence of iron (FEN’L’ON and JACKSON), T., 2 ; P., 1898, 240. crybtalline, and its osazone and cripric reducing power (FENTON and JACK- SON), T., 575 ; P., 1899, 119. Oold chloride (azcric chlorulc), action of light on solutions of (SONSTADT), P., 1898, 179. Oossypetin, and salts, hexacetyl and monopotassium derivatives, and dyc- ing properties (PERKIN), T., 825 ; P., 1899, 161. Go.wypkm her6nccum flowers, the colour- ing nintter of (PERKIN), T., 441, 825 ; p., 1899, 66,161. NEWBURY), T., 830; P., 1899, H. Haematein, mono-sodium, and -potass- ium derivatives of (PERKIN), T., 443 ; P., 1899, 66.Haematoxylin, oxidation products of, arid its coiistitrition (GILBOIIY s l i d PERKIX), Y., 1899, 25; P., 1899, 76. Heat. *Pe ; Thermochemistry. Heather, dyeing and tanning 1)roperties of, and presence of quercetin iii (PER- KIN and NEWBURY), T., 837 ; P., 1899, 179. Hemipinic acids, from corydaline LAUDER), ‘r., 676 ; P., 1899, 129. Metahemipinic acid (o-Dimcthoxy- ~ C I K O ~ C acid) (DOI:HIF: and LAUDEK), T., 678 ; P., 1899, 129. n-Xeptane, action of clilorosalphonic acid on (YOUSG), T., 173. action of sulphur chloride on, in presence of aluminium-morcury conple ( C o a m and SKII:ROW), T., 893 ; I?., 1899, 183. tct?.cr,broino- ( COIIEN and DAKIX), T., 896 ; P., 1899, 184. n-Heptoic acid (mtaiithoic acid), aniylic salt, density, specific rotatioil and mole- cular V O ~ U ~ ~ C of (FRASIiLAXD),T., 358.Heptoic acid (isoccvtylFcrtic* ncid), a-bronio-, ethylic s d t , and coudensa- tion with cthylic sodioogaiiacetatc (LAWRENCE), P., 1899, 163. Heptoic acid (B-iso~r97!~161ct?jriC mid), y-cyano-, etliylic salt (HOWLES and T ~ R I T ) , €’., 1899, 104. Heptylic bromide (C‘OHES and DAKIX), T., 894 ; P., 1899, 154. Hesperitin, compounds of, with sodium and potassinni acetate( PRKICIN),T., 444. Hexa-acetylgossypetin (PERKIN), T., 527 ; P., 1899, 161. Hexabenzoyloxy-BB’-dipyridyl (SELL and J2ici<so?J), T., 617 ; P., 1899, 98. Hexahydroxy-BB’-dipyridyl, and benx- oyl derivative (SELL and JACKSON), T., 517 ; P., 1899, 95. Hexaldoses, action of hydrogen bromide on (FEN’PON and GOMTLINO), T., 423 ; P., 1899, 57.n-Hexane, physical constau ts of (YOUNG action of chlorosulphonic acid on iso-Hexane (dirncthliZ~ro~yZ?~cthane), action of chlorosnlphonic acid on (YOUNG), T., 173. cydo-Hexane (hexxnmcth yllcac, A e m - naphthene), from Gnlician petroleum, action of chlorosulphonic acid on (YOUNG), T., 174. (DOBRIE and PORTEY), T., 880. (YOUNG), T., 173.INDEX OF SUBJECTS. 1203 cyclo-Hexsne (hxanteth ylciw, hmn- ?mphti~ene), vapour pressures, specilic volumes and critical constniits of (YOUNG and Funrm), T., 873; Y., 1899, 182. Hexenoic acid (B-i,~ol”o~’?/lncryZic mid, y-dimcthylcrotonic acid), and its oxidation ; also its cthylic a i d silver salts (CROSBLRY and Lx SUEUR), ethylic salt, and condensation with ethylic sodiocyanacctatc ( HOWLES and THOICPE), P., 1899, 104.n-Hexoic acid (cflp~oic wid), aitlnylic salt, deiisity, specilic rotation, and Inolecular volume of (FRANKLAND), T., 355. iso-Hexoic acid (isobuty~ncctic cwid), preparation and broini~iation of (CRossim and LE SuEuit), T., 167 ; P., 1898, 219. a-homo-, ethylic salt, action of qtiino- line and of diethylaniline on (C1:oss- LEY and LE SUEUK), T., 168 ; P., 1898, 219. Heroio acid (13B-dii)~eth.yZbz6t?/~ic acid), y-cyano-, ethylic salt, from deconipo- sition of etliylic hydrogen a-cyano- 8B-diniethylglutar~t~ (PERKIN and THOHPE), T., 53. Homocamphoronanilic acid ( rJAPWoltTH Homocamphoronic aoid, from derivatives of bromocamphorenic .acid (LAP- WORTH), T., 1137 ; P., 1899, 203. silver, barium, lead, copper salts (LAP- WORTH and CHAPMAN), T., 995 ; P., 1899, 160.Homocamphorono-p-tolilic acid (LAY- WORTH and CHAPMAN), T., 999 ; P., 1899,160. Hnmic acid in nioorIand waters (Acs- ROYD), T., 200 ; I?., 1899, 2. a-Hydrindamine, two isomeric bromo- camphorsulphonates of, and cis-m camphanates ( KIPPINO), P., 1899, 172. Hydrochloric acid (hydrogen chloride), contraction of aqueous solutions of, on dilution (WADE), T., 270 ; P., 1899, 8. Hydrogen, atomic weight of (DIWAR), boiling point of (DICWAK), P., 1899, action of, on sulphuric acid (ADIE), Hydrogen peroxide, action of, on secondary and tertiary aliphatic amines ( DUKSTAN and GOULDJYG), T., 1004; P., 1899, 124. T., 168 ; P., 1898, 219. and CHAPMAN), T., 999 ; Y., 1899, 160. P., 1898, 175. 7 0. l’., 1899, 133. Hydrogen peroxide, action of, on carbo- hydrates, 111 presence of ferrous 786 ; P., 1899, 99.action of, on formaldehyde ( HARDEK), P., 1899, 158. o-Hydroxyacetophenone, oxinie and homo-derivative ( DUNR’CAN and HEKRY), T., 67; P., 1898, 220. Hydroxyiso-amylbutyric acids. See H ydrosynonoic acids. m-Hydroxybenzodiphenylfnran, and acotyl derivative (JA~v mi(1 MELURTJM), ‘l’., 1041 ; P., 1899, 167. p-Hydroxybenzodiphenylfurfnran, and acetyl derivative (JAPP and MELDRUM), T., 1041 ; P., 1899, 167. o- :tiid p-Hydroxybeneylidenebornyl- amines (FOKSTEK), T., 1154 ; P., 1899, 194. Hydroxy-cis-*-camphanic acid (KIP- YIKG), T., 143 ; l’., 1898, 250. 8-Hydroxy-aa-diethylglntsconic acid, snpposed formation of (LAWREWE), P., 1898, 252. 8-Hydroxy-aa-dimethylglutaconic acid, and its salts and derivatives, supposed fnrmatinn of ( L A W K ~ C E ) , T., 417 ; l’., 1898, 252.a’-Hydroxy-aa-dimethylglntaric acid, likctoile oi’, aiid its inethylic salt (LAW- RENCE), T., 421. 8-Hydroxy-aal-dimethylg1utaric acid, a’-cliloro-, ethylic salt, a i d its hydro- lysis a r d reduction (LAWRENCE), T., 419 ; l’., 1898, 251. a-Hydroxy-86-dimethylglutaric acid, lnctoiie of (PERKIN a d THORPE), T., 56. 2-Hydroxy-4 : 6-diphenylpyridiae-5- carboxylic acid, ethylic salt Hydroxyfurfuraldehyde, derivatives of (CROSS, HEI-AN, and HEIBERG), T., 751 ; P., 1899, 130. Hydroxylamine from action of sodium ainalg;1m on sodium nitrite or nitrate (DIVERS), T., 87,89 ; P., 1898, 222. action of niethylic, ethylic, and n- and iso-propylic iodides on (DUNBTAN and GOULDING), T., 792 ; P., 1899, 58.detection of, in presence of hydroxy- amidosulphonate P DIVER^ and HAGA), T., 79. acid, and ttmide, iinide and silver fialt (BITDEN, PERKIN, and ROSE), T., 914 ; P., 1899, 162. acid, supposed formation of (LAW- RENCE), P., 1898, 252. Salts (MORRELL and CROFTS), 1’. , (KUHEMANN), T., 414 ; P., 1899, 55. a-Eydroxy +me thyl-8-isoamylsnccinic 8-Hydroxy-aa-methylethylglnta~onic1204 INDEX OF SUBJECTS. o-Eydroxymethylpyromacic acid (FEN- TON and GOSTLING), T., 429 ; P., Hydroxymethjlterephthalic acid (PER- KIN), T., 195; P., 1893, 111. Hydroxynonoic acid (B-hydroxy-a-iso- amylbutyric acid), and B-cyano-deriva- tive (AUDEN, PERKIN, antl ROSE), T., 918 ; P., 1899, 163. Hydroxynonoic acid (a-hydroxy-B-iso- amylisobutyric acid) (AUDEN, PERKIN, and ROSE), T., 920 ; P., 1899, 163.9-Hydrox y-g-phenac ylphenanthrone (JAPP and hfELDRUM), l’., 1034; P., 1899, 166. 2-Eydroxy-4-phenyl-6-methylpyridine- S-carboxylic acid, ethylic salt (RUIIE- MANN), T., 412; P., 1899, 55. m-Hydroxy-p-xylic acid, froni dicani- pherylic acid, methylic antl ethylic salts, and acetyl derivative (PER- KIN), T., 187 ; P., 1893, 110. 111. 190; P., 1893, 111. 1899, 57. dibronio- (PERKIN), T., 191 ; P., 1893, &nitro-, silver salt (PERKIX), T., Hyoscyamine, amount of, in Tndian Hyoscyamnw nzuticus, and its extraction (DUNBTAN and BKOWN), T., 7 2 ; P., 1898, 240. Hyoscyamus muticm, Indian, alkaloid of (DUNSTAN and BROWN) T., 72 ; P., Hyponitrosoacetic acid, constitution of 1898, 240. (DIVERS) T., 118. I. Ilicic alcohol, probable presence of, i n oleo-resin of Dmryodes hcxundra( BIoRE), T., 719 ; P., 1899, 151.Iodine =pour, colour of, in gases a t atmospheric pressure and in a vacuum ; vapour pressure of, and molecular latent heat of solid and liquid ( DEWAR), P., 1898, 241. solution of, in gases (BROWN), P., 1898, 244. action of, on sulphuric acid (ADIE), P., . 1899, 133. Iodoform, crystallography of (POPE), T., 46 ; P., 1898, 219. Iron, action of, on sulphuric acid (ADIE), P., 1899, 133. Ferrous sulphate, thermal change on diluting a saturated solution of (POLLOK), P., 1899, 8. Irstin, absorption spectra and constitu- tion of (HARTLEY and DUBBIE), T., 647; P., 1899, 48. Ieomerism, dynamic (LOWRY), T., 235 ; K, P., 1899, 25, 76. Ketohexoeee, action of hydrogen bromide on (FENTON and GOSTLIKG), T., 423 ; P., 1899, 57.a-Ketotetrahydronaphthalene, conver- sion of oxirne, into tetrahydro-a- naphthylamine (KIPPING and HILL), T., 152 ; P., 1899, 5. sernicarbazono, pliciiylliydrazone, p - l~romophenylliydrazone, oxime (KIPPISG and HILL), T., 148 ; P., 1899, 4. L, Lactic acid, alkali salts, action ot niolybdic oxide on (HENDERSON, OKR, and J V I ~ I ~ I I E A I ) ) , T., 553 ; P., 1899, 108. ethereal salts, densities, specifk rota- tions, and molecular volumes of (F.RAXRI,AND), T., 357. d-Lactic acid, methylic and ethylic salts, preparation and specific rotation of (I’URDIE and IRVIXE), T., 484 ; P., 1899, 74. Lactone, CIOHIOO,, obtained in condcn- sation of ethylic acetonedicarboxylnte (JFXDAK), T., 810. C15H160G, from oxidation of trimethyl- brazilin (GILBODY and PERKIN), P., 1899, 28.C20H140G, from condensation of oxalic acid and resorcind, its triacetyl and dinitro-derivatives (HEWITT and Pmr), T., 522; P., 1899, 100. CmHi*OG, tetracetyl derivative, from condensation of oxalic acid and re- sorcinol (HEWIT’C and PITT), T., 523 ; P., 1899, 101. Lactose (litilk sugar), estimation of siicrose in presence of (DowzA~~D), T., 371 ; P., 1899, 9. Laevulose Cfrzodose), oxidation of, by hydrogen peroxidc ( MOI~RELL and CI~OFTS), T., 799; P., 1899, 99. iso-Lanronolic acid and aniide from cam- phoroxiine (FORSTEE), T., 1142, 1148 ; P., 1899, 193. +Lanronolic acid, niethylic salt (LEES and PERKIN), P., 1899, 24. Lead, action of, on sulphuric acid (ADIE), P., 1899, 133. nitrate, deconiposition of, by heat (DIVERS), T., 84. thernial change on diluting a satu- rated solution of (POLLOK), P., 1899, 8,INDEX OF SUBJECTS.1205 Lead, hyponitrite (DIVERB), T., 121 ; P., 1898, 224. Legamin, absorption spectrum of (RLYTH), T., 1164 ; I?., 1899, 175. Light. See Photochemistry. Liquids, racemic, characterisation of (KIYPING and POPE), T., 1119 ; P., 1899, 200. supercooled, velocity of solidification of (WILDERMANK), P., 1899, 175. Lithium chloride, contraction of aqueous solutions of, on dilution (WAUE), T., 270 ; P., 1899, 8. Luteolin, potassium derivative of (PER- KIX), T., 441 ; P., 1899, 65. presence of, in Gc3tktn ti?ictorz'n and its tetrncetyl compound and proper- ties (PERKIN and NEWBURY), T., 531 ; P., 1899, 179. lld. lldaclnrin (~entnh?Jclr~x~l~~~n~~~cno~zc), action of potassium acetate on (PEE- KIN), T., 442; P., 1899, 66.lagnesinm, action of, on sulidiutic acid (ADIE), P., 1899, 133. sulphate, thermal change on diluting a saturated solution of (POLLOCK), P., 1899, 8. Maleic acid, dibromo-, etliylic salt, hydrolysis ; also action of cthylic sodionidonate on (EZ~HEMANN and CUKNINGTOK), T., 961 ; P., 1899, 185. Malic acid, niono-alkali salts, action of molybdic, tungstic, titanic, and staniiic oxides on (HENDERSON, P., 1899, 107. silver salt, action of ethylic, isobntylic and sacbutylic iodides on (Punnr~ Mid PITKEATHLT), T., 151 ; P., 1899, 6. ctliercal salts, specific rotations an_d niolecular volumes of (FKANKLANI)), T., 345, 349. ethylic salt, action of ethylic iodide on, in the presence of lead oxide, of mercuric oxide, and of silver oxitle ( PURDIE and PITKEATHLY), T., 157 ; P., 1899, 6.methylic and ethylic salts, preparation and specific rotations of (FRANK- LA-UD and WHABTUN), T., 338 ; P., 1899, 26. Malonamide, dichloro-, from action of ammonia on ethylic tetmchloracetone- dicarboxylate (DOOTSON), T., 171 ; P., 1899, 9. ORR, and ~~HITEHEAD), T., 548; Malonic acid, condensation of sodium derivative of, with ethylic isopropyl- enemalonate (LAWRENCE), P., 1899, 62. ethylic salt, action of acetylene tetra- bromide on, in presence of sodium ethoxide ( CROSSLEY), P., 1898, 248. action of bromacetal on tho sodium derivative of (PERKIN and SPRAXKLISG), T., 13 ; P., 1898, 112. action of ethylic bromisobutyrato on the sodium derivative of (BONE), P., 1899, 5. condensation of ethylic Bromopro- pionate and bromisobutyrate with the sodium derivative of (BONE and QPKSSKLISG), T., 849.condensationof the sodium compound with ethplic cyanoforniate (RUHE- MAXN and CUSNINGTON), T., 786 ; P., 1899, 169. action of sodium derivative on etliylic dibromomaleato and di- broinocinnamatc (RUHEMANN and CUSNINGTON), T., 961 ; P., 1899, 155. action of inesityl oxide on the sodium derivative of ( CROSSLEY), P., 1898, 217 ; P., 1899, 52. Malonic acid, dichloro -, potassium salt, from action of potasli on ethylic t c t m - chloracetonedicarboxylate (DOOWON), T., 170 ; P., 1899, 9. Maltobionic acid, hydrolysis of, with oxalic acid (Hrtow~ and MILLAIL), T., 307 ; P., 1899, 12. Maltodextrin and its oxidation products and constitution (BKOWN and BfILLAR), T., 286; P., 1899, 11. nitration and attempted recovery of (BROWN and MILLAR), T., 312 ; P., 1899, 13.Maltodextrinic acids, A- and l3-, and their hydrolysis ; also their calcium salts ( B I ~ o w ~ and MILLAR), T., 296 ; P., 1899, 12. AIaItose from action of diastase on dextrinic acid (BROWN and MILLAR), T., 330; P., 1899, 14. from dixstasic hydrolysis of malto- dextrinic acicl A ; also its hydrolysis (IhowN and MILLAR), T., 297 ; P., 1899, 12. nitration and attempted recovery of (BROWN and MILLAI:), T., 313. landelic acid (a-?ivdroxyl3henUlacetic acid ; phenylglycollic acid), resolution of, aucl alkaloidal and metallic salts (BICKENZIE), T., 964 ; P., 1899, 186.1206 INDEX OF SUBJECTS. d-Mandelic acid, and sodium salt, solu- tions of, specific rotation and clis- sociation of (XICKENZIE), T., 768 ; P., 1899, 150.Z-Mandelic acid, specific rotat ion of (MCKEWJE), T., 757. i-Mandelic acid, ethylic salt, prepara- tion of ( hl(aI<EszIE), 1’. , i55. Manganese, action of, on sulphiiric acid (AnIlr), P., 1899, 133. Mannitol, action of hydrogen dioxide on, iii prvsencp and absence of‘ iron (Fm- TON : ~ l d JACKSON), T., 8 ; P., 1898, 210. Mannose, preparation of, by action of hpclrogcn peroxide on ninnnitol, in presence of iron (FRNTON and JACK- SON), T., 9 ; P., 1898, 240. Menthol, crys tnlline niodi fica tions of (Po~J:), T., 464. Mercury, action of, on sulphiiric acid (Anr~), P., 1899, 133. aluminiuni couple, use of, as a con- densing agent (COIIEN and SKIR- Mercuric osychloridc, hyclratod ( K ~ Y ) , P., 1899, 103. nitrite, action of sodiiini or silver nitrite on ( R ~ P ) , P., 1899.103. hyponitrite (Diveits), T., 119 ; I‘., 1898, 224. Mercurous nitrite, action of sodium or silver nitrite on (R-~Y), P,, 1899, 103. hyponitrite (DIVERS), T., 120 ; P., 1898, 224. Mesityl oxide (?nc-tl,yl isohutcnyl III t m , isop,.nl’?llitlciicnc d o n e ) , action of etli ylic sodioninloiiate on (CKOSSLEY), 1’. , Methanedisulphonic acid, froni action of sulphuric, acid on acetamide (BAG- Y.~I,L), T., 1899, 279. Methanetrisulphonic acid, an 13 nie t allic aird aniline salts (BAGNALL), T., 1899, 278 ; P., 1898, 182. Me thoxybenzene-p- snlphonic acid, action of hromine on (ARMWRONG), I)., 1899, lii. Methoxymethylterephthalic acid ( P m - &Me thoxypropionic acid, and mc thy lic, ethylic, and nic.tallic salts, specific rotations of (PTTl’,DlE and IItl-INE), T., 485 ; l’., 1899, 74.Methoxysuccinic acid, cthereal salts, spwitic rotations and molecnlar volumes of (I!’I~ANKLAXD), T., 353. Methoxy-p-xylic acid [Me : hle : COOH : OMe=l : 2 : 4 : 61, (PE~KIN), T., 193. IW), fr., 8s: ; P., 1899, 153. , 1898, 247 ; Y., 1899, 52. KIN), T., 191. Hethylacetoacetic acid, ethylic salt, condelisation of, with ethylic a-bromo- propionate atid u-bromimbutyrate (BONE and SPBANKLING), T., 847. a-Methylacetylsuccinic acid, etbylic salt (BONE md SPRANKLING), T., 848. B-Methylacetylsnccinic acid, ethylic salt, action of niethylic iodide on the sodium derivative (BONE and SPKANKLIKG), T., 848. Methylisoamylmaleic acid, anhydride and anil o f ; reduction (AUI)EN, PER- KIN, arid Rose), T., 918 ; F., 1899,163. a-Methyl-8- isoamylsuccinic acids, cis- and !?ms-, formation of (AUDEN, PEIIRIN, and ROSE).T., 918; P., 1899, 163. isonicric, and their anhydrides Law- R R X ~ ~ F . ) , I’., 1899, 164. a-cy:tiio- and 6-cyano-, and their hydrolysis ; also their ethylic salts ( LAWI~IGNCE), P., 1899, 163. Methylbornylamine, hydrochloride, hydriodide, platinochloride, benzoyl derivative ( FORSTER), T., 911 ; P., 1899, 72. hydriodide from bcnzglidenebornyl- aniinc niethiodido (FORSTER), T., 1151 ; l’., 1899, 194. Methylbornylhydrazine ( FORSTEIL), T. , 943. Methyldibromoxindole, preparation of ( H.\RTLEP and DOBBIE), T., 645. Yethylisobutenyl ketone. Seo Mesityl oxide. Methylcarbostyril and Methyl-JI-carbo- styril, imepxation, absorption spectra, and constitution of ( HARTLEY and Methylene-2-naphthylamine, l-chloro- and l-bromo- ( MOI:GAN), P., 1899,lO.Methyle thylacetic acid. SeeValeric acids. Methylethylacetoacetic acid, y-bronio- and 7-cyano-, ethylic salts (LAW- 4-Methylfurfuraldehyde, w-bronio- ( FEN- TON and Gox.rr,rNc), T., 424 ; P., 1899, 5i. a-Methylglntaric acid (bzctn.ncdicnrb- oxylic* w i d ; , formation of (BONE and Methylic alcohol, action of Iiyrlrogeii perositle on, in presence and in ab- sence of iron (FENTON and JACKSON), l’., 2 ; P., 1898, 240. Methylic amylic ether, density, specific rotation, and molecnlar volume of ( FRANKLAND), T., 360. l’-Methylindole-3’-carboxylic acid, preparation of ( HARTLEY and DOBBI~), T., 645, u-Methyl-& koamylsuccinic acid, DORBIE), fr., 6 - u ; P., 1899, 47. RENCE), l’., 422 ; P., 1898, 252. Sl’ltAYJiLlSG), T., 850.INDEX OF SUBJECTS.1207 Methylisatin, preparation, absorption spectra, and constitution of (HARTLEY and DOLIBIE), T., 645. Methyl-+isatin, preparation, absorption spectra, and constitution of (HAltl’LEY and DOBBIE), T., 647 ; I>., 1899, 45. Methylmalonic acid. See iso-Succiiiic ailid. Methylpiperidinee, 1- and 2-, niolecular rcfrac tions of (POPE and PEACHEY), T., 1115. B-Methylpropanetetracarboxylic acid, etLylic salt and nrnide (RUHEMANN), T., 245 ; P., 1899, 6. Methylsuccinic acid (i-pyrotartayic acid, citri6pyrotartaric acid, propnncdi- carboxyZic acid), from oxidation of 8-aldehycio~~obutyric acid (PEEKIN and SPRANKLING), T., 19. aiid auhydride, anilic acid and calcium influence of d-pyrotartsric acid on the solubility of, in water (LADENBUKU), T., 467 ; P., 1899, 73.Methylsuccinic acid, 8-cyiino-, ethylic salt ; hydrolysis ; also action of niethylic iodide on (BONE and Sl>Ii.\sii- 1-Methyltetrahydroquinoline, molecular refraction of (POPE and PEACIIET), T., 1115. 2’-Methyltetrahydroquinolines, Z- and i-, molecular refraction of (1’01’~ and Milk sugar. See Lactose. Molybdenum, action of, on sulplinric acid (ADIE), 1’. , 1899, 133. llolybdicitric, niolybdimalic, niolybdi- n1ucic, and inolybdilactic acids, salts of (HENDERSON, Om, and Wmm- HEAD), T., 546 ; P., 1899, 107. Morin, metallic derivatives of, and tetr- acetyl derivative ( PERKIN), T., 43G, 448 ; P., 1899, 65, 66. tctrnlironio-, mono-, and di-potassium sslts of (PERKIN), T., 437 ; P., 1899, 65. Morphine, d- and hiandelates (McKEN- ZIE), T., 968.vucic acid, mono-alkali salts of, action of niolybdic, tungstic,ititnnic,and stan- riic oxides on (HENDERSON, ORX, niid WHITEHEAD), T., 550 ; P., 1899,108. Myricetin, potassium derivative of ( ~ K K I N ) , T., 441 ; P., 1899, 65. Myrticolorin, potassimn clerivativc of (PERKIN), T., 440 ; P., 1899, 65. salt (13ONE and ~PRBNT(LINCI)‘r.,S48. t , r w ) , T., 853. l’ISACHET), T., 1115. N. Naphthalene, vapour pressure of (ALLEN), P., 1899, 122. 8-Naphthyl-glncoside (RYAN), T., 1055 ; P., 1899, 196. Nickel, action of, on sulphuric acid (ADIE), P., 1899, 133. Nitrogen from action of sodium amal- p n i on sodiuni nitrite or nitrate (DIVERS), T., 87 ; P., 1898, 222. atomic weight of (DEAs), P., 1898, 174. osiclation of, in explosion of carbon disulyliide with air (DISON a i d RUSSELL), T., 610 ; P., 1899, 115.asyninietric o p t i d l y active coinpounds of (POI’E avid I’EAUHEY), T., 1127 ; P., 1899, 192. Nitrogen chlorides, substituted ( CHATT- AWI\Y and Oit’ro~), T., 1046 ; P., 1899, 152. iodide, composition of (CHATTAWAY), LIK), A, i, 664. prcparation and properties of ; action of light on ; action of alkalis, water or hydrogen peroxide on (CHATT- AWIP and ORTON), P., 1899, 17, 18, 20. action of reducing agents on ; action of acids on (CIIATTAWAY and Nitrogen monoxide (tiitrow? o,ciclc), forniecl by action of sodium ainnlgam 011 sodium nitrite or nitrate ; action of sodium amalg:m on (DIVERS), T., 87 ; I?., 1898, 222 ; T., 95. Nitrogen dioxide (uitric o.r:idc), nitric peroxide or nitrogen, diffusion of, into ( DIXOX and ~ ’ I ~ ~ E R K I N ) , T., 611, 624 ; P., 1899, 115.absorption of, by solutions of sodium or pots.sinni sulphite ; action of, on silver nitrate (DIVERS), T., 82 ; P., 1898, 281. Nitrogen trioxide Otitroxs anhyclridc), formail by combination of nitric oxide slid pcroxide (DIXON ‘and h’TEI:KIS), T., 629 ; P., 1899, 116. forined by electric discharge in at- tenuated air (DEWAIL), P., 1899, 117. preparation of (DIVRRS), T., 86 ; P., 1898, 2 2 2 ; (GROVES), P., 1898, 222. Nitrogen tctroxide (?titYic yc~ozi&~), 111- flncnce of inert gas on dissociation of ; diffusion of, into nitrogcn and other inert gases (DIXOIT and PETERKIN), T., 616, 619; Y., 1899, 116. diffusion of, into nitric oxide (DIXOY ant1 PEITXKIN), T., 623, 627 ; P., 1899, 116. P., 1899, 1s; (NORRIS and FEANK- SI’EYEKS), l’., 1899, 17, 19.1208 INDEX OF SUBJECTS.Bitrogsn acids :- Nitric acid, estimation of (BLYTH), Nitrous acid, preparation of (DIVERS), T., 86 ; P., 1898, 222 ; (GROVES), P., 1898, 222. estimation of (RLYTH), P., 1899, 50. Nitrites, constitution of (DIVERS), T., 92. Hyponitrous acid, solution of ; proper- ties o f ; estimation of (DIVERS), T., 113, 116 ; P., 1898, 225. Hyponitritee, methods of preparing (DIVERK), T., 96. preparation of, from nitrites through oxyamidosulphonate (DIVERS and HAGA), T., 77 ; P., 1898, 220. ?&-Nonoic acid, amylic salt, density, spe- cific rotation, and molecular volurne of (FRANKLAND), T., 358. P., 1899, 50. 0. woctane, action of chlorosulphonic acid on (YOUNG), T., 173. n-Octoic acid (cnprgl.ic acid), amylic salt, density, specific rotation, and molecu- lar volume of ( FBANKLAND), T., 358.Oleo-resin of D ~ T ? / o ~ c s hexnndra, com- position of (MORE), T., 718 ; P., 1899, 150. Optically active substances, racemisa- tion of (MCKENZIE), T., 769. Optical activity, influence of an un- saturated linking on (FOESTER), T., 1149 ; P., 1899, 194. o- and p-Orcinoldicarboxylic acid8, and niono- and diethylic salts (JERDAN), T., 814, 818; P., 1899, 152. Orcinoltricarboxylic acid, ethylic salt, preparation and constitution of, and di- and niono-ethylic salts ( JERDAN), T., 810, 814; P., 1899, 151. Osyritrin, action of potsssium acetate on (PEEKIN), T., 440 ; P., 1899, 65. Oxalacetic acid, ethylic salt, condens%- tion of, with ethylic phenyli~ropiolate (RUHEMANN and CUNNINGTON), T., 783 ; P., 1899, 169.Oxalic acid, contraction of aqueous solu- tions of, on dilution (WADE), T., 270 ; Y., 1899, 8. Oxanilylthiocarbimide (DIXOX), T., 409; P., 1899, 65. Oxaeolones, preparation of (JAPP and FINDLAY), T., 1027 ; P., 1899, 165. Oximee, constitution of (POPE), T., 1109. Oxycannabin (~titroeannnbi?wlactone), and salts, oxidation and reduction products(WooD, SPIVEY, and EASTER- FIELD), T., 29-32 ; P., 1898, 185. Oxygen, atomic weight of (DEWAR), P., quadrivalence of (COLLIE and TICKLE), 1898, 175. T., 710 ; P., 1899, 148. P. Palladium, action of, on sulphuric acid (ADIE) P., 1899, 133. Palmitic acid, amylic salt, density, specific rotation, and molecular volume of (FRANKLAND), T., 358. Paraffins, normal, purification of, by meansof ctilorosulphonicacici (YOUNG), T., 172 ; P., 1899, 22.Pentacetyldextroae (RYAN), P., 1899, 196. Pentenoic acid (p-dimeth?/lncryEic acid), and its oxidation ; also its ethylic salt (CROSSLEY and LE SUEUI~, T., 164 ; P., 1898, 219. cthylic salt, condensation of, with tho sodium derivative of ethylic cyan- acetate (PERKIN and THORPE),T.,~~. Pentenoic acid (B-ethylacrylic mid), and its oxidation; also its etliylic salt (CROSSLRY and LE SUETJR), T., 166 ; P., 1898, 219. Pentonic acid from acid hydrolysis of maltodextrinic acids, and its calcium salt (BROWN and MILLAR), T., 298 ; P., 1899, 12. Peptone, Witte’s, absorption spectrum of (HLYTH), T., 1163. 9-Phenacylphensnthrone, 9-aniino-, (JAPP and MELDXUM), T., 1034 ; P., 1899, 166. Phenanthraquinone, interaction of, with acetophenone in presence of amnioiria 1899, 166.i-a-Phenethylamine hydrochloride and platinochloride ; rotatory power of (POPE and HARVEY), T., 1110; P., 1899, 200. Phenetoil, 2 : 6-dibromo-, action of sul- phonating agents on (ARMSTRONG), P., 1899, 178. o-Phenetoilenlphonic acid, o- and p-nitro-, action of bromine on (ARM- STRONG), P., 1899, 177. Phenoketoheptamethylene (phcnocpclo- Itcptanc, phenohptapluz~wne), and its semicnrbazone (KIPPING and HALL), P., 1899, 174. Phenol, condelisation of, with benzoin (JAW and ~IELDRUU), T., 1037 ; P., 1899, 167. o-nitro-, and p-nitro-, behnvionr of, towards nnhydrides of dibasic or- ganic acids (SCHRYVE~L), T., 662 ; P., 121. (JAI’P and hfELDRUM), T., 1032; P.,INDEX OF SUBJECTS. 1209 Phenols, diortho-substituted, behaviour of, towards anhydrides of dibasic organic acids (SCHRYVER), T., 662 ; P., 1899, 121.Phenol-pealphonic acid, action of bromine on (ARMSTRONG), P., 1899, 177. Phenoxybenzene-p-snlphonic acid, action of broniine on (AHMYTKOKG), P., 1899, 177. Phenylacetic acid, ethylic salt, velocity of formation of (SUDBOROUGH and Phenyl acetyl nitrogen chloride (nee&?- phnylchlornmir), and p-chloro-, and 2 : 4-dichloro- (CHATTAWAY and 2’-Phenylbenzimidazole, and hydro- chloride (JAPP and MELDRUM), T., 1043 ; P., 1899, 169. Phenyl benzoyl nitrogen chloride ( benao yolh en y Zcldornmiite) , and p - chloro- and 2 : 4-dichloro- (CHAT- TAWAY and OKTON), T., 1899,153. Phenylbenzylcarbamylthiocarbimide (DIxON), T., 407 ; P., 1899, 64. Phenylbenzylcarbamyl-o- tolylgaanidine (DIXON), T., 405 ; Y., 1899, 64.a-Phenylbenzyl-e-diphenylthiobiaret, arid its pipericline derivative ( DIXON), T., 398 ; P., 1899, 63. e-Phenylbenz yl-a-ethylthiobinre t (DIXON), T., 405 ; P., 1899, 64. Phenylbenzylethylthionrea (DIXON), T., 399. Phenylbenzylglntaconic acid, diethylic Ralt, and nionoethylic salt (RUHE- MANS), T., 249; P., 1899, 6. Phenylbenzylideneglyoxalidone (RUHE- MANN and CUNNINGTON), T., 959 ; P., 1899, 185. a-Phenylbenzylmethylallylammonium iodides and broniides, d- and E-, rota- tory powers of (POPE and PEACHEY), T., 1129 ; I?., 1899, 192. c-Phenylbenzyl-n-methylthiobinret (DIXON), T., 408; P., 1899, 64. wPheny1- u-benzylmethylthionrea, u-Phenylbenzyl-n-methylthiourea and v-Phenyl-n-benzyl- v-methylthiourea (DIXON), T., 373, 374 ; P., 1899, 54.acid, ethylic salt, action of ammonia 1899, 6. n-Phenylbenzyl-B-thioallophanic acid, hcnzylic salt (Dixos), T., 409 ; P., 1899,65. c.Phenylbenzylthiobiaret (DIXON), T., 403 ; P., 1899, 64. LLOPD), r, 470 ; Y., 1899, 3. OHTON), T., 1050; Y., 1899, 153. 1053 ; P., Phenylbenz ylpropylene tricarbox ylic 011 (RUHEMANN), ‘r., 249; P., 15-Phenylbntsne-ayb-tric~~xylic aoid, 8-cyano-, ethylic salt, and its hydro- lysis (THORPE and UDALL), T., 906; P., 1899, 184. cis- slid tmns-13-Phenylbutsne-ayC-tri- oarboxylic aoids, and their anhgdro- acid (THORPE and UDALL), T., 904 ; P , 1899, 154. y-Phenylbntyric acid, behaviour of the chloride of, towards alnniiriium chloride (KIPPING and HILL), T., 146; P., 1899, 4. e-Phenyl-ne-dimethylthiobiare t (DIXON), T., 402; P., 1899, 64.Phenylenediamines, o-, nt-, and p-, con- densation of, with benzoin (JAPP and MELDRUM), T., 1043 ; Y., 1899, 169. i-Phenylethoxyacetic acid, and salts (MCKENZIE), T., 755; P., 1899, 150. Z-Phenylethoxyacetic acid, and ethylic and metallic salts, and their specific rotations (bfCKExzIE), T., 757 ; 1’. , 1898, 150. Phen ylethylcarbamylthiocarbimide (DIXON), T., 405; P., 1899, 64. It-Phenylethylcarbamyl- thionrantoin (DIXON), T., 406 ; P., 1899, 64. cc-Phenylethyl-13-thioallophanic acid, benzylic salt (DIXON), T., 406 ; P., 1899, 64. c-Phenyle thy1 thiobiare t (DIXON), T., 406 : P., 1899, 64. Phenylglataconic acid, ethylic salt (RUHEMANN), T., 248 ; P., 1899, 6. 15-Phenylglntaric acid, a-cyano-, ethylic salt, condensation of, with ethylic bromacetate (THORPE and UDALL),’ T., 905 ; P., 1899, 184.i-Phenylmethoxyacetic acid, preparation of (MCKENZIP), T., 760. E-Phenylmethoxyacetic acid, and salts, preparation and specific rotation of, conductivity and affinity constant of (MCI~ENZIIE), T., 761 ; P., 1899, 150. 4-Phenyl-6-me thyl-b-ace to-2-pyrone (RCHEYANN), T., 415; l?., 1899, 15. Phenylmethylarabinpsazone ( MORRELL and UICOFTS), ‘l’., 191 ; P., 1899, 99. Phenylmethylcarbamic chloride, action of, on sodium acetanilide (DIXON), T., 334. a-Phenylmethylcarbamyl-13-phenylthio- semicarbazide (DIXON), T., 403 ; P., 1899, 64. Phenylme thylcarbamylthiocarbimide ( ‘ I h S o N ) , ‘I1., 401 ; P., 1899, 6-1. st-Phenylmethylcarbamylthionrantoin (DIW), rr., 403; P., i s w , 64.1210 KNDEX OF SUBJECTS. Phenylmethglglucoeazone ( ~ ~ O R R E L L nnil ('KoFJx), T., 758 ; P., 1899, 99.Phenylmethylhydrazinopyruvic acid, preparation of ( ~ E A ~ L T L E Y aiid UOB- BIE), T., 645. 4-Phenyl-6-methylpyridone and its platiiiochloride (RUIIENANN), T., 413; l'., 1899, 55. 4-Phenyl-6-methylpyridone-5-carboxylic acid and etl~ylic salt (Rummws), T., 412 ; P., 1899, 55. 4-Phenyl-6-methyl-2-pyrone (RUIIE- MAXN and CUNSINGTON), T., 780 ; P., 1899, 169. 4-Phenyl-5-methyl-2-pyrone-6-carb- oxylic acid, pnitro-, ethylic salt ( RUHEM.WN and CUNNINGTON), T., 752 ; P., 1899,169. 4-Phenyl-6-methylS-pyrone-5-carboxylic acid, ethylic salt, hydrolysis of, and action of ammoiiia on ( RUIIEMANN), T., 251 ; P., 1899, 6. action of alcoliolic aninionin on (RUHE- action of ethylnniinc on ( EUHEMAXN and CUNNINGTON), T., 750 ; P., 1899,169.a-Phenylmethyl-8-thioallophanic acid, beiizylic salt (DIXUN), T., 404 ; P., 1899, 64. c-Phenylmethylthiobiuret ( DISON), T., 402 ; P., 1899, 64. MANX), 'l'., 412 ; P., 1899, 55. Phenyloxamide, . formation of ( DIXON), T., 410. a-Phenyloxamyl-b-phenylthiocarbamide (DIXON), T., 410; P., 1899, 65. Phenylpropane tricarboxylamide ( ELTHE- BIANN), T., 247 ; P., 1899, 6. Phenylpropanetricarboxylic acid, eth ylic salt, actioii of aulnioiiia on (RUIIE- MANX), T., 247 ; P., 1899, 6. Phenylpropiolic acid, nreitle of ( RUHE- ~LWN and CUKNIKGTON), T., 955 ; P.; 1899, 185. ethylic salt, coiidcnsation of, with acetylacetoiie, aiid with benzoyl- acetone (RUHEMANN), T., 415 ; P., 1899, 15. coiidensation of, with acetylacetone, with bcnzoylacetone, mid with ethylic osaloacetata ( R ~ I E M A S ~ and CUNXINBTON), T., 780 ; P., 1899, 169.action of diethylnmine, hydrosyl- amiiie, carbnniide, benzamidine, and bromine on (RZTIIEMASN and CUNNINGTOS), T., 956 ; P., 1899, 185. condensation of, with ethylic alkyl- ncetoacetates (RUHEMASN and CUNNJNGTON), T., 783 ; P., 1899, 169. Phenylpropiolic acid, r t h y h salt, con. densation of, with ethylic acetoacetate, and with etliylicbenzoylacetate (RUHE- MAKN), T., 351 ; P., 1899, 6. Phenylpropiolic acid, p-nitro-, ethylic salt, coiitleiisatioii of with ethylic acctoacetnte and with etliylic benzoyl- ace!& (~UIIEMANX and CUNXING- TON), T., 782 ; P., 1899, 169. Phenylpropiolohydroxamic acid, and its bariiiiii, silver, and metliylic salts ( RUHRMANN R I ~ CUNNINGTON), T., 957 ; l'., 1899, 185.i-Phenylpropoxyacetic acid, and salts i-Phenyliiopropoxyacetic acid, and zinc salt ( B l c l i m ~ ~ ~ ) , T., 754 ; P., 1899, 150. I-Phenyliropropoxyacetic acid, and sodium mid potassiuin sal ts, sl)ecilic rotations of (M~-KI~NzIE), T., 765 ; P., 1899, 150. Phenylpropylenetricarboxylic acid, ethylic salt, actioii of ammonia on (1:UIIKXIANK), T., 245; P., 1899, 6. 4-Phenyl-2-pyrone-5 : 6-dicarboxylic acid, ethylic salt (RUHEMAYN ~ ~ C U N - smwnx), T., '153; P., 1899, 169. Phenyl thiocarbimide, for in8 tioii of (Drxo~), T., 305 ; P., 1899, 63. actioii of, 011 sodium acctanilidc Phenglthiourea, formation of ( D I x n x ) , T., 410 ; l'., 1899, 65. s-Phenyl-(6-0- toly 1-c-benzylthiobiuret (DTSOX), T., 407 ; P., 1899, 64. s-Phenyl-a-o-tolyl-c-ethylthiobinret, arid c-Phenyl-n-2)-tolyl-c-ethylthio- biuret (DISOY), T., 405, 406 ; P., 1899, 64.aiid e-Phenyl-a-21-tolylmethylthio- biuret (DIXOS), T., 402; P., 1899, 64. Phenylvaleric chloride, action of nluniin- iiun chloride on (KIPPING and HALL), l'., 1899, 173. Phloroglucinol, condensation of, with bciizoin (JAW and MELDKUM), T., 1042 ; P., 1899, 166. Phosphorus, metallic and red, idcntity o f ; red, vapow tension aiid vapour density o f ; white, vapour density of Phosphorus sitboxide, non-existence of (CHArniax and LIDBURY), T., 973; P., 1899, 186. PHOTOCHEMISTRY :- Light, action of, on dibenzyl ketone (FORTEY), T., 871 ; P., 1889, 182. ( m < I . : s z t q , 'r., 761. (PIXON), T., 354. T-Phenyl-+o- tolyl-c-methylthiobinret, (~IIAPMAN), T., 735 ; P., 1899, 102.INDEX OF SUBJECTS.1211 PHOTOCIIEA~ISTRY :- Light, action of, on nitrogen iodide (CHATTAWAY and OKTON), P., 1899, 18. action of, on platinum, gold, and silver chlorides (SOKSTADT), P., 1898, 179. Polarieation :- Rotation aid nioleciilar association of optically active liquids (POPE 1899, 201. of ethereal salts, niaximuni, and product of asymmetry (PRANK- LAND), T., 351. of bornylamine derivatives (Fox- STER), T., 934; y., 1899, 71. of butoxysuccinic, ethoxysuccinic, diethoxysuccinic acids aud their salts (PURDIE and PITKEATHLP), T., 155, 158 ; Y., 1898, 6. of d - and Z-caniyhorosirne cZ-cainl)hor- sulphoiiates (POPE), T., 1006 ; P., 1899, 199. of caniphorsulphonic chlorides, and of d- and Z-pinene, and of their solutions in alcohol (KIPPING and POPE), T., 1123 ; l’., 1899, 200.of gallotannic acid (RomxHEIni and SCHIDROWITZ), P., 1899, 67. of Z- and d-niandelic acid (Mc- KENZIE), T., 757, 768. of rncthoxy- and ethoxy-propiomtes (PURDIS ancl IKYINE), T., 483 ; l’., 1899, 74. of metliylic and ethylic malates, benzoylnialates, and o-, m-, ancl WHARTON), T., 337 ; Y., 1899, 25. of nitrocamphor and r-bromonitro- caniphor, change of (LOWRY), T., 218 ; P., 1899, 25. of i-a-~~heiietliylsmine hydrochloride and d-caiiiplioruulpiioi~ate (POPE and HAHVEY), T., 1110 ; P., 1899, 200. of d- and Z-a-phenylbenxylniethyl- allylammoniuni bromides, iodides, and cZ-camphorsnlphonateu (POYE and PEACHEY), T., 1128 ; l’., 1899, 192. of 1-phenylethoxyacetic acid, and its salts (bfCI<ENZIE), T., 758. of phenylniethoxyacetic acid and salts (MCKENZIE), T., 762.of phenyltkopropoxyacetic acid, and its sodiuiii and potassium salts (MCKENZIE), T., 765. of Z-pinene in vnrions solvent!: Y., 1899, 201. and ~lMCHEY), T., 1112 j P., p-tOhlOylrnalateS (FRANKLAND slid (POPIC alld 1’EACHEY),’ T., 1118 1 91 OTOCH RKIS~RP i - Rotation of piperidine bases, and of boniylamines, influence of intro- duction of benzoyl group on (POPE and PEACHEY), l’., 1076, of E- and d-tetrabydroquinaldine, their hydrochlorides, and d-cam- phorsulphonates (POPE and PXACHEY), T., 1067; P., 1899, 199. of tet~~hydro-p-tolnquinaldirie, d- and I - , and hydrochlorides (POPE and RICH), T., 1094. Mutarotation of sugars, nitrocamphor, aiid r-broiiionitrocaniyhor ( IJowx~), T., 211 ; P., 25. Refraction of coniine (POPE and l’sac~~eu), T., 1111.of etliylic salts of methyl-substituted cyniiosucciuic acids (BONE and SPI~AXKLISG), T., 855. of Z- a i d i-tetrahyclrocjuinaldiiies (POPE and PEAC~CEY), T., 1114. Spectra of cyanuric acid (HABTLEY), l’., 1899, 46, of isatin aiid carbostyril and their alkyl dcrivatives ( HARTLEY and Douurs), T., 640 ; Pa, 1899, 47. of proteiils in relation to that of tyrosine (BLYTH), T., 1162 ; P., 1899, 175. Phthalic acid, thyniylic hydrogen salt (SCIIRPVICI~), l’., 664 ; I)., 121. n-Pimelic acid, formation of, by action of trimethylene clibromide 011 ethylic sodiocyanacetste ( CAI:PENTIER and PEI~KIN), T., 933 ; P., 1899, 135. Z-Pinene, presence of, i n essential oil of oleo- resin froni Dnc~yo&s l~candra (AlORE), T., 718 ; P., 1899, 1%). rotatory power of, and in various sol- vents (POPE and YPACHEY), T,, 1118 ; l’., 1899, 201.cZ- and Z-Pinene, and solutions of, in nietliylic ancl ethylic alcohols, equili- brium between, and rotatory powers of (KIPPING and POPE), T., 1123 ; P., 1899, 200. Piperidine (I~cxaii ydropyridine), ac tion of, 011 e thylic acetylenedicarbosylate ( KI-HEMAKN and CUKNIKGTON), T., 956 ; P., 1899, 185. Piperidine-bases, rotatory power of, in- fluence of introduction of benzoyl group on (POPE a i d PEACHEY), T., 1076. Piperidylmaleic acid, etliylic salt (K~IIEJIASN and CUNNINGTON), T., Platinum, action of, on sulphuric acid ‘356 ; P., 1899, 185. (AD~E), P., 1889, 133.1212 INDEX OF SUBJECTS, Polarisation. See Photochemistry. Potassinm amalgams (DIVERS), T., 103. Potassium carbonate, thermal change on diluting saturated solutions of (POLLOP), P., 1899, 8.chloride, thermal change on diluting saturated solutions of (POLLOK), contraction of aqueous solution.q of, on dilution (WADE), T., 268 ; P., 1899, 8. cuprotartrate, and its electrolysis ( MASSON and STEELE), T., 725 ; P., 1899, 120. ferrocyanide, contraction of aqueous solutions of, on diluting (WADE), T., 271 ; P., 1899, 8. nitrate, thermal change on diluting saturated solutions of ( POLLOK), P., 1899, 8. nitrite, preparation of (DIVERS), T., reductioii of, by potassium amalgam (DIVERS), T., 90 ; P., 1898, 223. hyponitritc, preparation of (DIVEIIS), preprntion of, from sodium nitrite (DIVERS aiid HAGA), T., 80 ; P., 1898, 221. platinochloride, action of light on sull~liate crystals, thermal expansion of (TUTTON), A , ii, 630. thermal change 011 diluting satnr- ated solutions of (POLLOK), Y., sulphite, absorption of nitric osicle by solutions of (DIVEI~S), T., 82 ; Y., 1898, 221. Presidential Address (DEWAR), T., 1167; P., 1899, 77.Presidents, Past, banquet to, P., 1899, cyclo-Propane (trintethylene), cyano-, at- tempted preparation of ( CAIWENTER and PERKIN), T., 927 ; P., 1899, 134. cpclo-Propanecarboxylic acid (trinicthyl- enecarbozylzc acid), CYRIIO-, salts and amide (CAKPEKTEH and PERKIN), T., 924; P., 1899, 134. c.1JcEo-Propanedicarboxylic acid (tri- i,aelh!ile?~cliccLi.bo~~l ic cccid) , for ma ti oil of (CA~WICNTITR and ~’JWKIX), ‘1’. , 927 ; P., 1899, 134. Propanepentacarboxylamide ( RUHE- MANN), T., 247 ; Y., 1899, 6. Propanepentacarboxylic acid, ethylic salt, action of aniinonia on (RUIIE- MANN), ‘I., 247 ; P., 1899, 6.Propanilide, action of suipliiiric acid on (BAGNALL), T., 382. P., 1899, a. a5 ; P., 1898, 222. rr., 102 ; P., 1898, 224. SOllltiOllS O f (SONSTADT), P., 1898, 179. 1899, a. 189. Propionic acid, from oxidation of ethyl- acrylic acid, and its anilide (CROSS- LEY and LE SUEUR), T., 167 ; P., 1898, 219. amylic salt, density, specific rotation and molecular voluine of (FRANK- LAND), T., 358. and uu-c~ibro~no-, ethylic salts, velo- city of formation and hydrolysis of (SUDBOROUGH and LLOYD), T., 474 ; P., 1899, 3. Propionic acid, u-bromo-, cthylic salt, condensation of, with ethylic aceto- ace ta tc, ine thy lace toace tate, ma1 on - ate, mcthylmalonate, cynnacetate, and a-cyanopropionnte (BONE aud chloro- and bromo-, ethereal salts, densities, specific rotations.and molecular volunies of (FRANP- LAN)), T., 357. a-cyano-, cthylic salt, conclensation of, with ethylic a-bromisobutyrate Propionylmalic acid, ethereal salts, specitic rotatioils, and ~nolccular vol- u r l m of (FRANKLANI)), T., 348, 351. iso-Propylacrylic acid. See Hexenoic acids. Propylbenzeneenlphonamides, o-, m-, Propylbenzene-2-, -3-, and -4-eulphonic acids, and their aniides (J~~OODY), I)., 1899, 16. Propylbornylamine,hydrochloride, hydr- iodide, platinochloride, henzoyl de- rivative ( F o K s T E K ) , T . , ~ ~ ~ ; P., 1899,72. &so-Propylbornylamine, plntinochloride (FOKSTEIC), T., 919; P., 1899, 72. iso-Propylbutyric acid. See Heptoic acids. Go-Propylenemalonic acid, ethylic salt, condensation of, with ethylic sodio- nialonate (hWHESCE), P., 1899, 62.Propylene-craby-tetracarboxylic acid ethylic salt, from action of ethylic sodionialonate on ethylic clibrolno- inalente (RUHEMANN and CUSNING- TOK), T., 963 ; l’., 1899, 186. 8-iso-Propylglutaric acid (hcxunecli- 532 ; l’., 105. and imide, anliydridc, and aiiilic acid ; also dissociation constant ( H u w ~ e s :lnd ‘fHOI:PIE), l’., 1899, 104. 8- iso-Propylglntaric acid, a-cyzno-, ethylic, aiitl ethylic hydrogen salt3 Propylic alcohol, action of Iiydrogeik pcroxide on, in presence and absence of iron (FENTON and JACKSON), T., 2 ; P., 1898, 240. SPRANKLING), T., 847. (BONE and SPRANKLIKG), l’., 851. and y- (Moo~P), P., 18W, 16. ~ r b o ~ ! / Z i c c~c~cZ) (T~AWREXCE), T., (tIoWLES R I l f l ‘FHOEPP;), l’., 1899, 104.INDEX OF SUBJECTS.1213 iso-Propylic alcohol, action of hydrogen peroxide on, in presence and in ab- sence of iron ( FENTON and JACKSON), T. 2 ; P., 1898, 240. Propylic amylic ether, density, specific rotation, and molecular volume of (FSANKLAND), T., 360. iso-Propylsuccinic acid, oxidation of (LAWRENCE), T., 531 ; P., 105. Purpurin (1 : 2 : 4-tri7~ydroxyanthra- qzciitoitc), monometallic derivatives of (PESKIN), T., 435 ; P., 1899,65. metliylic ether (PERKIX), T., 446 ; P., 1899, 66. Pyridine, hydrochloride, action of chlor- ine on (SELL and DOOTSON), T., 979 ; P., 1899, 187. dichloro-, tetrachloro-, and trichlor- amino- (SELL and DOOTSON), T., 986 ; P., 1899, 187. Pyrocatechol. See Catechol. a-Pyrone derivatives, formation of, from ethylic phenylpropiolate and B-di- ketones (RUHEMANN)? TI, 415; P., 1899, 55.Pyrotartaric acid. See Methylsuccinic acid. Q. Quercetin, presence of, . in heather (CaZhm. wclgnris) (PERKIN and NEWBURY), T., 837 ; P., 1899,179. monometallic derivatives, and tri-, and tetra-acetyl derivatives (PER- KIN), T., 438 ; P., 1899, 65. methylic ether. See Rhamnetin. dimethylic ether. See Rhaninazin. Quercetin, dibromo-, potassium deriva- tive of (PERKIN), T., 438; P., 1899,65. Quercitrin, action of potassium acetate on (PERKIN), T., 439. Quinidine d- and 2-maiidelates (MCKENZIE), T., 967. Quinine, d- and t-mandelatcs (&KEN- Quinol (1 : 4-dihydrozybcnzcne), con- densation of, with benzoin ( J A m and Quinonoid structure of flavones, alizarin derivatives, in relation to colour (PER- KIN), T., 452.ZIE), T., 967. MELDRUM), T., 1041 ; P., 1899, 166. B. Bacemic acid. See Tartaric acid. Bacemic compounds. characterisation of (KIPPING and POPE), T., 36, 1119; P., 1898, 219; 1899, 200; (LADEN- BERG), T., 465 ; P., 1899, 73 ; (POPE), P., 1899, 73. Befraction. See Photochemistry. Beain from oleo-resin of Bucmjodes hex- unrtra (MORE), T., 719 ; P., 1899,150. VOL. LXXV. Resorcinol, condensation of, with benzoin (JAPP and MIZLDRUM), T., 1039 ; P., 1899, 16G. Rhamnazin (qumcetin din,tctlhyEic ether), potassium derivative of ( PERKIN), T., 439 ; P., 1899, 65. Bhamnetin (qt1~rcetin monomethylic ether). potassium derivative of (PER- KIN), T., 438 ; Y., 1899, 65. Rotation. See Photochemistry. Bottlerin, action of alkali acetates on decomposition products of (PERKIN), Butin, potassiuni salt of ( PERKIN), T., 440 ; Y., 1899, 65.0. (PERKIK), T., 443. T., 829 ; P., 1899, 162. Santalin, potassium salt and formula of (PERKIN), T., 443; P., 1899, 66. Scoparein, formation and decomposition products of (PERKIK), P., 1899, 123. Scoparin, composition, decomposition products, dyeing properties of, and relation to vitcxin (PERKIN), P., 1899, 123. action of potassium acetate OD (PER- KIN), T., 443; P., 1899, 66. Selenium, action of, on sulphuric acid (ADIE), P., 1899, 133. dioxide, preparation of (DIVERS and HADA), T., 537. Amidoselenites, non-existence of (DIVERS aid HADA), T., 539; P., 1899, 101. Silicon dioxide (silica), action of, on mono-alkali salts of hydroxy-acids T., 554 ; P., 1899, 108. Silicon tetrethyl, preparation of (KIPPING and LLOYD), P., 1899, Triphenylsilicol, and its acetate (KIP- PING and LLOYD), P., 1899, 174.Triphenylsilicyl ether (&PPING and LLOYD), P., 1899, 174. Silver, action of dilute nitric acid on (DIVERS), T., 93. action of, on sulphuric acid (ADIE), P., 1899, 133. Silver chloride, action of light on (SON- solubility of, in alkali nitrite solu- nitrate, action of heat on, and of nitric oxide DIVER^), T., 83 ; P., 1898, 221. hyponitrite, preparation of, froni sodium nitrite (DIVERS and HAGA), T., 81 ; P., 1898, 221. (HENDIUWON, ORR, and WHITEHEAD), Silicon organic compounde :- 174. STADT), P., 1898, 180. tions (DIVERS), T., 85. 4 M1214 INDEX OF SUBJECTS. Silver hyponitrite, preparation and pro- perties of; action of heat on ; nitrato- nitrite, nitrato-hyponitrite, and nitrito- hy onitrite(DIVERS), T., 104,110; P., 18i8, 224, Sodium amalgame, action of, on solutions of alkali nitrates or nitrites (DIVERS), T., 87 ; P., 1898, 222.Sodium carbonate, thermal change on diluting concentrated solutions of (POLLOK), P., 1899, 8. chloride, thermal change on diluting saturated solutions of (POLLOK), P., 1899, 8. contraction of a ueous solutions of, on dilution (a ADE), T., 256,263 ; P., 1899, 8. hydroxide, solution of, in water (.DIVERS), T., 97. action of, on benzaldehyde or benzylic beiizoate (ICOIIK and TRANTOM), T., 1155 ; P., 1899, 194. hgdrosimidosulphonatc and hydroxy- amidosulphonate, formation of, in preparation of hyponitrite (DIVERS and HAGa), T., 78 ; I?., 1898, 22.l. nitrate, thermal change on diluting concentrated solutions of (POL- LOR), P., 1899, 8.nitrite, preparation of (DIVERS ; GROVES), T., 85 ; P., 1898, 222. hyponitrite, action of heat on ; tnolc- cular weight and constitution of (DzvERs), T., 102, 122 ; P., 1898, 224. formed from nitrite or nitrate by sodium amalgam (DIVERS), T., 87, 96 ; P., 1898, 222, 223. sulphate, thermal change on diluting snturatcd solutions of (POLLOK), P., 1899, 8. sulphite, absorption of nitric oxide by solutions of (DIVERS), T., 82 ; P 1898, 221. Sodin2 organic compound8 :- Sodium ethyl pyrosulphite and sulph- ite, formation of (DIVERS and OGAWA), T., 535. methoxide and benzyloxide, action of, on benzaldehyde (KOHN and TRANTOM), T., 1155; P., 1899, 194. Solubility of racemic compounds and of enantiomorphic mixtures (LADEN- Solutione, aqueous, changes of volume due to dilution of (WADE), T., 254 ; P., 1899, 7. saturated, thermal changes on dilution of ( POLLOK), P., 1899, 8.supersaturated velocity of crystallisa- tion of (WILDERMAN), P., 1899,175. s BURG ; POPE), T., 466 ; P., 1899, 73. Sorbito1,'action of hydrogen peroxide on, in presence and absence of iron (FENTON and JACKSON), T., 10 ; P., 1898, 240. Speotra. See Photochemistry. Starch, soluble, constitution of (BROWN and MILLAR), T., 336 ; P., 1899, 14. hydrolysis of, with oxalic acid (BROWN and MILLAR), T., 307 ; P., 1899, 12. nitration and recovery of (BROWN and MILLAR), T., 309 ; P., 1899, 13. hydrolysis of, by malt diastase (BROWN and MILLAR), T., 286 ; P., 1899, 11. Stearic acid, amylic salt, density, specific rotation, and molecular volume of (FRANKLAND), T., 358.Stereochemietry of nitrogen (POPE and PEACHEY), T., 1127 ; P., 1899, 192. Still-head, forms of, for fractional distillation (YOUNG), T., 684 ; P., 1899, 147. Strontium chloride, contraction of aque- ous solutions of, on dilution (WADE), T., 270 ; P., 1899, 8. hyponitrite, and hypoiiitrosoacetate (DIVERS), T., 117 ; P., 1898, 224, Strychnine, d - and Z-mandelates ( MCKEN- Substance, m. p. 183", from oxidation of trimethylbrazilin (GILBODY and PER- KIN), P., 1899, 28. C9H,(,03, from scoparein (PERKIN), I?. , 1899, 123. C9Hlo0,, from oxidation of trimethyl- brazilin ( GILBODP and PERKIN), P., 1899, 28. C9HI3N, from camphoroxime (FOR- STER), T., 1147 ; P., 1899, 193. CQHISON, from caniphoroxime (FOR- STER), T., 1148; P., 1899, 193.CloHN2Clll, from pyridine hydro- chloride and chlorine (SELL and DOOTSON), T., 983 ; P., 1899, 187. CloHON2Clp, from substance CloHN2CIll, and moisture (SELL and DOOTSON), T., 983 ; P., 1899,187. ClOHON,Cl7, from pyridine hydro- chloride and chlorine (SELL and DOOTSON), T., 984; P., 1899, 187. CloHl,06N2, from a-dibromocamphor and nitric acid (LAPWORTH and CHAPMAN), T., 992 ; P., 1899, 159. CloH,,ONBr, from cainphoroxime (FORSTER), T., 1146 ; P., 1899, 193. CloH,,02NBr, from carnphoroxime and potassium hypobromite (FORBTEH), T., 1144 ; P., 1899, 193. Cl,Hl,O,Br, from fencholenic acid and bromiue (COCKBURN), T., 506. ZIE), T., 967.INDEX OF SUBJECTS. 1215 Sabatance, C,,H,,O,, from ClaH1407, from oxidation of trimethylbrazilone (GILBODY and PERKIN), P., 1899, 28.Ci2Hl4O6, from C1,H1407, from oxidation of triniethylbrazilone (GILBODY and PEKKIN), P., 1899, 28. Cl&?&, from oxidation of triniethyl- brazilone (GILBODY and PPRKIN), P., 1899, 28. C,,H,,06, obtained from acid C2,,Hl4O7 and benzoic chloride ( HEWITT and Pin), T., 523; P., 1899, 101. C,,H,,O, from oleo-resin of Dncryodes hexnndrn ; and its acetyl and tctm- nitro-derivative (MOKE), T., 719 ; P., 1899, 150. C3,,H,0,, obtained from dibenzyl ketone (FoRrEYJ, T., 872 ; P., 1899, 182. Snccinic acid, from oxidation of B-alde- hydepropionic acid ( PERKIN and SPRANKLING), T., 16 ; Y., 1898, 112. thymylic hydrogen and guaiacylic hydrogen salts (SCHRYVER), T., 664 ; P., 1899, 121. chloro-, ethereal salts, specific rota- tions and molecular volumes of (FRANKLAND), T., 348, 352.iso-Saccinic acid (methylmnlonic acid, et?j anedicarboxylic mid), ethylic salt, action of etliylic bromiso- htyrate on (HONE), P., 1899, 5. action of bromacetal on sodium deri- vative of (PERKIN and SPRANK- LING), T., 18. condensation of sodium derivative of, with ethylic bromopropionate and broniisobutyrate (BONE and SPRANKLING), T., 849. Sucrose (sacchnrose, cane sugar), con- traction of aqueous solutions of, on dilutim (WADE), T., 256, 270 ; P., estimation of, in presence of lactose (DOWZARD), T., 371 ; P., 1899, 9. Sngare, cause of mutarotation of (Low- RY), T., 212; P., 1899, 25. Snhhacetic acid, from action of sul- 1899, 8.. fhuric acid on acetic acid ( BAGNALL), T., 279. Snlphocamphylic acid, oxidation of (PERKIN), T., 175; P., 1893, 110.Sulphur, action of, on sulphuric acid (ADIE), P., 1899, 133. chloride, action of, on hydrocarbons, in presence of aluminium-mercury couple (COHEN and SKIRROW), T., 887 ; P., 1899, 183. Sulphuric aoid, coiitraction of aqueous solutions of, on dilution (WADE), T., 256 ; P., 1899, 8. action of some elemeuts on (ADIE), P., 1899, 132. 1-Sylvestrene, pyesence of, in essential oil of oleo-resin from Dncryocks hex- nndrn (MoRE),T., 718 ; P., 1899,150. T. Tannin, amount of, in hcatlier (PERKIN and NEWBUI~Y), T., 838 ; P., 1899, 179. Tartaric acid, mono-alkali salts, nc- tion of titanic and stannic oxides on (HENDERSON, ORR, and WHITE- HEAD), T., 554; P., 1899, 108. silver salt, action of isopropylic iodide 156 ; P., 1899, 6. sodiurii ammonium, sodium jf6tassiun1, and potassium hydrogen salts, specific rotations of, and separation of, from 2- and racemic forms (KIP- PING and POPE), T., 38 ; P., 1898, 220.ethereal salts, densities, molecular volumes and specific rotations of (FXANKLAND), T., 349, 361. ethylic salt, action of ethylic iodide on, in presence of silver oxide ( PUR- DIE and PITKEATHLY), T., 158 ; P., 1899, 0. Racemic acid, solubility of, in water, effect of tartaric acid on (LADEN- BURG), T., 466 ; €'., 1889, 73. sodium potassium and potassium hydrogen salts, separation of from d-tartrates (KIPPING and POPE), T., 42; P., 1898, 220. 2-Tartaric acid, sodium ammonium salt, separation of, from d-form (KIPPING and POPE), T., 38 ; P., 1898, 200. Tartaric acids, cl- and I-, sodium am- monium salts, solubility of mixtures of, in water (LADENBURG), T., 467; P., 1899, 73.Tantomerism, absorption spectra of isatin and carbostyril and alkyl derivatives in relation to (HARTLEY and DOBBIE), T., 640 ; P., 1899, 47. Terebic acid, from cis- and trans-caronic acids (PEHKIN and THORPE), T., 59. synthesis of (LAWRENCE), T., 531 ; P., 1899,105 ; (BLAISE), A., i, 115, 419. 011 (PTIJtDIE and PITKEAL'HLY), T.,1216 INDEX OF SUBJECTS. Terephthalic acid (p-phthdk acid), syn- thesis of, by action of soda on 8-alde- hydopropionic acid ( PERKIN and SPRANKLING) T., 18. Terpenylic acid, synthesis of (LAW- RENCE), T., 531 ; P., 105. Tetracetylluteolin ( PERKIN and NEW- BURY), T., 851 ; P., 1899, 179. Tetracetylmorin ( PERKIN), T., 448 ; P., 1899, 66. Tetracetylquercetic (PERKIN), T., 449 ; P., 1899, 67.Tetrabenzoyloxydioxy -BB’-dipyridyl (SELL and JACKSON), T., 515; P., 1899, 98. Tetrabenzyl-BB-diaminodinaphthyl- methane (MORGAN), P., 1899, 10. Tetraethyl- BB-diaminodinaphthyl- methane (MORGAN), P., 1899, 10. Tetrahydrodicampherylic acid, silver salt (PERKIN), T., 184; P., 1893, 110. Tetrahydro-a-naphthylamine, from a-ke- totetrali‘ydronaphthaleneoxime (KIP- PIRG and HILL), T., 152 ; P., 1899, 5. d-ae-Tetrahydro-8-naphthylamine, d-a- bromocamphorsulphonate, d-camphor- sulphonate (POPE), P., 1899, 170. d-Tetrahydroquiualdine, preparation of, and d-camphorsulphonate and hydro- chloride, fractional crystallisation of (POPE and PEACHEY), T., 1078 ; P., 1899, 199. 2-Tetrahydroquinaldine, preparation of, from the externally compensated hydrochloride, and salts ; density and specific and molecular rotation of (POPE and PEACHEY), T., -1069 ; P., 1899, 199.Tetrahydroquinaldines, 2- and i-, density, refraction and rotation of, and influ- ence of solvent on (POPE and PEACHEY), T., 1113 ; P., 1899, 201: Z- and r-, melting points of, and of mixtures, and of benzoyl derivatives (POPE and PEACHEY), T., 1092. Tetrahydro-p-toluquinaldine, Z- and d-, and hydrochlorides, rotatory power of, and r - , and its hydrochloride ; crystal- line forms of (POPE and RICH), T., 1093 ; P., 1899, 200. 6 : 6’-dipyridyl, and its tetrabenzoyl derivative (SELL and JACKSON), T., 515 ; P., 1899, 98. Te trame t hyl- B8 -diaminodinaph thyl- methane (MORGAN), P., 1899, 10. Tetramethylene (cyclo6utane), cyano- (CARPENTER and PERKIN), T., 932.Tetramethylenedicarboxylic acid. See cyclo-Butanedicarboxylic acid. 2 : 3 : 2’ : 3’-Tetrahydroxy-6 : 6’-dioxy- Tetramethylhaematoxylin and its oxida- tion derivatives (GILBODY and PERKIN), P., 1899, 28. Tetramethylhaematoxylone and its acetyl derivative (GILBODY and PERKIN), P., 1899, 28. Tetraphenylurea, ‘formation of (DIXON), T., 401. Te trazoline. Thallium, action of, on sulphuric acid (ADIE), P., 1899, 133. THERMOCHEMISTRY :- Critical constants of hexamethylene (YOUNG and FORTEY), T., 880; P., 1899, 182. Latent heat, molecular, of iodine, solid or liquid (DEWAR), P., 1898, 243. Latent heat of fusion of chloral hydr- ate (POPE), T., 456. Heat of solution of bromal hydrate (POPE), T., 460. Heat of dilution of saturated solutions of satts (POLLOR), P., 1899, 8.Thioallophanic acid derivatives, nomen- clature of (DIXON), T., 392. Thiobiurets, nomenclature of (DIXON), T., 392. Thioglycollic acid, formation of (DIXON), T., 398 ; P., 1899 63. Thujetin, formula and acetyl derivative of (PERKIN), T., 829; P., 1899, 161. Thymol, crystalline forms of (POPE), T., 464. condensation of, with benzoin (JAPP and MELDRUM), T., 1037; P., 1899, 167. Tin, action of, on snlphuric acid (ADIE), P., 1899, 133. Stannitartaric and stannicitric acids, salts of (HENDERSON, ORR, and WHITEHEAD), T., 556; P., 1899, 108. Titanitartaric, Titanicitric, and Titani- mucic acids, salts of (HENDERSON, ORR, and WHITEHEAD), T., 556; P., 1899, 108. Toluene, fractionation of mixtures of, with benzene (YOUNG), T., 682. Toluene, bromo-, p-chlorobromo-, and chlorodibromo-, preparation of (Co- HEN and DAKIN), T., 894 ; p., 1899, 183.Toluic chlorides, o-, m-, and p-, prfpara- tion, and melting and boiling points of (FRANKLAND and ASTON), T., 494. Toluoylmalic acids, o-, rn-, and p - , methylic and ethylic salts, preparation and specific rotations of ( FRANKLAND and WHARTON), T., 341; P., 1899, 26. See Dihydro te trazine.INnEX OF SUBJECTS. 1'217 Toluoylmalic acids, o-, m:, and p, methylic and ethylic salts, molecular volumes of (FRANKLAND), T., 349. Toluoyltartaric acids, o-, m-, and p - , ethylic salts, molecular volumes of (PRANKLAND), T., 349. o- and y-Tolylglucoside (RYAN), T., 1056 ; P., 1899, 196. Toxalbumins, absorption spectra of [BLYTH), T., 1166 ; P., 1899, 175. Trmcetylgenistein (PERKIN and NEW- BURY), T., 833; P., 1899, 179.Riacetylquercetin (PERKIN), T., 448 ; P., 1899, 66. Triethylamine, action of hydrogen per- oxide on ( DUNSTAN and GOULDING), T., 1006 ; P., 1899, 124. oxide (triethyloxyammoni), and its salts ; also its decomposition and reduction (DUNSTAN and GOULD- ING), T., 802 ; P., 1899, 60. formation of, by action of hydrogen peroxide on triethylamine (DUN- STAN and GOULDING), T., 1006 ; P., 1899,124. Triethyloxyammonia. See Triethyl- amine oxide. 1 : 2 : 3-Trihydroxyanthraqninone. See An thragallol. Trihydroxybenzophenone. See Alizarin yellow A. Trimethylacetic acid. See Valeric acids. Trimethylacetylsuccinic acid, ethylic salt (BONE and SPRANKLING), T., 848. Trimethylamine, action of hydrogen per- oxide on (DUNSTAN and GOULDING), T., 1005 ; P., 1899, 124.oxide (trimethyloxyammonia) and salts ; also decomposition and re- duction, and the actionof methylic iodide and benzylic chloride on (DUNSTAN and GOULDING), T., 794 ; P., 1899, 58. formation of, by action of hydrogen peroxide on trimethylamine (DUNSTAN and GOULDING), T., 1005 ; P., 1899, 124. Rimethylbornylammonium iodide, chlor- ide, platinochloride (FoRsTER),T., 945. Trimethylbrarilin, and oxidation products (GILBODY and PERKIN), P., 1899, 27. Trinxethylbrarilone, and oxidation pro- ducts(GrLB0Dn and PERKIN), p., 1899, 27. Trimethylene. See cyclo-Propane. Triethylene-carboxylic and dicarb- oxylic acids. See cyclo-Propane-carb- oxy lic and -dicarboxylic acids. aBS-Trimethylglutaric acid (kzane- dicarboxylic acid), synthesis of, and its anhydride and imide (PERKIN and THORPE), T., 61 ; P., 1898, 250. aSB-Rimethylglntaric acid (hemne- dicarbqlic acid), a-cyano-, ethylic salt, and its hydrolysis (PERXlN and THORPE), T., 64; P., 1898, 251. aSS-Trimethylglutaranilio acid ( YERKIN and THORPE), T., 64 ; P., 1898, 251. Trimethylmethoxyammonium iodide and decomposition and reduction ; also the chloride, platinochloride, and auri- chloride (DUNSTAN and GOULDINO), T., 797 ; P., 1899, 59. Trimethyloxyammonia. See Trimethyl- amine oxide. Trimethylsuccinic acid (pentartediearb- oxylic acid), formation of (BONE), P., 1899, 6. and anhydride, anilic acid, and cal- ciuin salt (BONE and SPRANKLING), T., 848. Trimethylsuccinic acid, cyano-, forma- tion aad hydrolysis of (BONE), P., 1899, 6. ethylic salt and hydrolysis (BONE and SPRANKLING), T., 855. Triphenylacetic acid, ethylic salt, velo- city of formation of (SUDBOROUGH and LLOYD), T., 479 ; P., 1899, 3. Triphenylgnanidine (DIXON), T., 405. 2 : 6 : 5-Triphenyloxazolone, and its conversion into benzimidoxydiphenyl- acetic acid ; action of hydriodic acid on (JAPP and FINDLAY), T., 1028; P., 1899, 165. acc-Triphenylthiobiuret (DIXON), T. , 394 ; P., 1899, 63. TripropyIamine, action of hydrogen per- oxide on (DUNSTAN and GOULDING), T., 1008. oxide (tripropjloxamine), and salts (DUNSTAN and GOULDING), T., 1008. Tungsten, action of, on sulphuric acid (ADIE), P., 1899, 133. Tungsticitric, Tungstimalio, and Tungstimucic acids salts, of (HEN- DERSON, ORR, and WHITEHEAD), T., 547 ; P., 1899, 107. Turpentine, oil of, oxidation of (LAW- RENCE), T., 530. Tyrosine ( p-hydroxyphenyl-a-arninopro- pionic acid), absorption spectrum of (BLYTH), T., 1164 ; P., 1899, 175. u. n-Undecoic acid (undecylic acid), amylic salt, density, specific rotation and mole- cular volume of (FRANKLAND), T., 358. Urea. See Carbamide. V. Valeric acid, preparation and bromina- tion of (CROSSLEY aud LE SUEUR), T., 166.1218 INDEX OF SUBJECTS. Valeric acid, amylic salt, density, specific rotation and molecular volume of ( FRANKLAND), T., 358. Valeric acid, a-bromo-, ethylic salt, ac- tion of diethylaniline on (CROSSLEY and LE SUEUR), T., 166 ; P., 1898, 219, as-dicyeno-, ethylic salt, and its hydro- lysis (CARPENTER and PERKIN), T., 928. Go-Valeric acid, a-bromo-, ethylic salt, action of quinoline and of diethyl- aniline on (CROSSLEY and LE SUEUR), T., 164 ; P., 1898, 219. Valeric acid (methylethylacetic acid), d-, ethereal salts, density, specific rota- tion, and molecular volumes of ( FRANKLAND), T., 359. Valeric acid (trzinathylacetic acid, di- methylpropionic acid), ethylic salt, velocity of formation, and hydro- lysis of (SUDBOROUGH and LLOYD), T., 475 ; P., 1899, 3. iso-Valerylmalic acid, ethereal salts, specific relations and molecular volumes of (FRANKLAND), T., 318, 352. Vapour density, of hexamethylene (YOUNG and PORTEY), T., 880 ; P., 1899,182. Vapour pressure of hexamethylene (YOUNG and FORTET), T., 876; P., 1899, 182. of iodine (DEWAR), P., 1898, 242. of naphthalene, and of camphor (ALLEN), P., 1899, 122, 135. Velocity of formation and hydrolysis of ethereal salts of substituted acetic acids (SUDBOROUGH and LLOYD), T., 467 ; P., 1899, 3. Velocity of solidification of supercooled liquids and solutions (WILDERYANN), P., 1899, 175. Violaqnbrcitrin, potassium derivative of (PERKIN), T., 440; P., 1899, 65. Vitexin,relation of, to Scoparin (PERKIN), action of potassium acetate on Volume, molecular, of benzoyltetra- hydroquinnldiae, d-, I-, and r- (POPE and PEACHEY), T., 1073, 1082, 1092. P., 1899, 123. (PERKIN), T., 443. Volume, molecular, of hexamethylene (YOUNG aud FORTEY), T., 878, P., 1899, 182. W. Water, potable, moorland, acidity and plumbo-solvent action of (ACKROYD), T., 196 ; P., 1899, 1. Weights, equivalent, and contraction of aqueous solutions on diluting (WADE), T., 271 ; P., 1899, 8. Weight, molecular, of sodium hypo- nitrite (DIVERS), T., 122. X. Xanthone group of colouring matters, salt-formation by (PERKIN), T., 442 ; P., 1899, 66. Xanthorhamnin, formula, and potassium derivative (PERKIN), T., 440 ; P., 1899, 65. m-Xylene, action of sulphp chloride on, with aluminium-mercury couple (COHEN and SKIRROW), T., 890 ; P., 1899, 183. p-bromo-, preparation of (COHEN and DAKIN), T., 894; P., 1899, 183. 1 : 2 : 6-Xylenol, from m-hyhoxy-p- xylic acid (PERKIN), T., 192. m-Xylenol, thio- (COHEN and SKIR- ROW), T., 891 ; P., 1899, 183. Y. Yeast, nutrition of, and influence of sulphur compounds on (STERN), T., 201 ; P., 1898, 182. assimilation of nitrogen by (STERN), T., 205 ; P., 1898, 183. 2. Zinc, action of, on sulphuric acid (ADIE), P., 1899, 133 ; (BERTHELOT), A., ii, 283. sulphate, thermal change on diluting a saturated solution of (POLLOK), P., 1899, 8.