PROCEEDINGS 0F THE CHEMICAL SOCIETY. Vol. IX. NOS.118-130. JANUARY-DECEMBER, 1893. EDITED BY THE SECRETARIES. LONDON: GURNEY & JACKSON, 1, PATERNOSTER ROW. 1895 LONDON : HARRISON AND SONS, IBINTERS IN CEDINARY TO HER MAJESTY,ST. MARTEN’S LANE. DATES OF ISSUE OF THE MONTHLY NUMBERS OF THE JOURNAL OF THE CHEMICAL SOCIETY TO FELLOWS. January number mas issued ..............2nd Februaiy. February ,, ........................17th February. March ..........................7th Max&. April ..........................18th April. May ..........................5th May. June ..........................2nd June. July ........................-5th July. August ..........................4th August,. September ........................,2nd September.October .........................,loth October. November .........................1st November. December ..........................7th Decembcbr. a2 IV LIST OF GRANTS MADE FROM THE RESEARCH FUND DURING. THE YEAX. S20 to Dr. Ruhemanii for a study of the formation of pyridine derivatives from unsaturated acids. $50 to Professor Dunstan for an investigation of the properties of parafinic aldoxim es. $20 to Dr. Collie for the inrcstigation of naphthalene deriv at'ires from dehydracetic acid. S10 to Rlr. Easterfield for the investigation of citrazinic acid. $40 to Mr. A. E. Tutton for the purchase of an instrument for the continuzttion of his crIstrtllographic chemical work. $20 to Messrs. A.G. Perliin and J. J. Hummel for the continua- tion of their investigations on the colouring principles contained in the Indian dje-stuff called Ch3y root. $15 to Professor Meldola for t'he continnation OF the study of the products of reduetion of acetyl and benzoyl derivatives of the azo-naphthols-am-p-cresols. S5 to Mr. T. S. Dymond fm apparatus and cliernicals for the investigation of certain changes in connection with the formation of aurochloric acid, auric chloride, and auroso-auric chloride. $10 to Dr. J. Walker, for an investigation on the electrolytie pro- ducts from camphoric acid. $10 to Mr. S.U. Picliering for the determination of the heat of combination of certain substances in the solid and liquid condition. 210 to Mr.A. R. Ling for an investigation on the acetjl and benzoyl derivatives of the sugars. $5 to Dr. James Leicester for the study OF the interactions of quinones and diamines. $30 to Dr. W. H. Perkin, jun., for the continuation of his researches on the synthetical formation of unsaturated closed carbon chains. SlO to Mi-. C. H. Bothamley for the continuation sf his investiga-tions on the action of dyes on photographic plates, with respect! to their sensitising action €or rays of low refraugibilitoy. $30 to Professor W. R. Dunstan for furthcr inwstigstion of the proper ties of aldosimes. LIST OF FELLOWS ELECTED DURING 1893. ...... Name. Bailey. Henry ....................... Baine. Laurence Augustus ............ Baker. Julian L..................... Bateman.John ...................... .Berridge. Frederick Edmuncl .......... Bone. \Villiam A..................... Boone. William Thoinas .............. Bownlan. Frederick Edniund .......... Brigs. Harry Fieldcn ................ Brigga. John Frederick ............... Brookbank. John Edwin .............. Brooke. Edward ..................... Brown. Ralph Edward................ Browiie. Frank ...................... Brunton. John Dixon ................. Buchanan. Joshua ................... Rurnett. William Robert .............. Burnham. John Charles ............... Caliill. Robert S...................... Caiiies. Charles Miircli ................ Cameron. James ..................... Carswell.Thomas Yetson .............. Chaney. Harry J..................... Clayton. George ..................... Cocking. Allm Thomas ............... Coste. John Henry. .................. Craw. Joliii A........................ D’Albuquerque. John Pedrozo ......... Davey. George. ...................... Davies. D . 0. Sydney ................. Davy. S. W. M., ..................... Dickinson. H. W..................... Dixon. Harry Williamson ............. Dregfus. Charles ..................... Dnfton. Samuel Felix ................ Dunnington. Francis P................ EdwardP. Thomas .................... Nllis. Charles Sondes ................. Elmore. Alexander Stanley ............ Evans. Robert C.T...................Forrester. Alexander 34............... Fuller. Frederick George .............. Gardner. John Addyman .............. Garnett. Henry ...................... Gower. Alfred Roland ............... Green. Arthur Henry................ Proposed . Elected. Qpril2Oth ......... June 15th . February 16th ...... May 4th ... 2nd ...... 39 9)Hay 4th ........... June 15th . Vovember 2nd ...... December 7th . February 2nd ...... May 4th . rnlluary 19th ....... February 16th . Vovember 2nd ...... December ‘7th. .......... February 2nd ....... May’kth . ” December 1st. 1892 .. February 16th . .. ..17 YIarch 16th ........ Maikth. ” June 1st ........... December 7th . Noveinher 2nd ...... December 7th. March 16th ........May 4th... 16th ........ 7) 93.. 2nd ......... 7) :9 May 4th ........... June 15th . November 2nd ...... December ’7th . March 2nd ......... May 4th . November 2nd ...... December ’7th . .. >9 9) $7February 16th ...... May 4th. November 2nd ...... December ’7th . April 20th ......... June 15th . November 2nd ...... December 7th . December 15th. 1892 February 16th . .. J) 7) 9) 9) Y9 .. 99 39 99 May 18th .......... June 15th . February 2nd ...... May 4th . March 2nd ......... 7) 79 December 1st..1892.. February 16th ... 15t.h. 1892 .. .. January 19th ...... .. 99 March 2nd ......... May 4th . November 2nd ...... December ‘7th . December 1st. 1892 .. February 16th. March 16th ........ Mny 4th.November 2nd ...... December 7th . January 19th ....... February 16th . February 2nd ....... May 4th . November 2nd ...... December 7th. February 16th ...... May 4th. April 20th ......... June 15th . Vl Name. Grie1.e. William Hotten .............. Grimwood. Robert George ............ Hadley. Harry Edwin ............... Hale. Henry Ormsby ............... Hallen. Albin ....................... Hancock. Ernest Aibcrt .............. Harris. Harold ...................... Heath. Arthur John ................. Hesketh. William ................... Holthouse. Harold B ................. Howitt. Ja. nies John ................. unt.. Bertram ..................... untly. Ueorge Nevi11 ................ ones.Hedley Gordoh ................ owitt. Hooper Albert D: ............. KakQ. Sorabji M ..................... Lamb. Edmund George .............. Lambert. Wesley .................... Leather. John Walter ................ Lloyd. Herbert ...................... Luxmore. Charles M .................. Marsden. Frederick .................. Xartin. Alexander M ................. Martin. William J.................... Mason. James ....................... Mawer. William Frederick ............ McElroy. K.P....................... McGregory. J.Frank ................. McKerrow. Charles A................. Mills. Charles ....................... Mole. Herbert Bloome ................ Monson. Henry John ................. Morgan. J .R........................Morton. Frederick ................... Mnmby. Allan E..................... Murray. John Allan .................. Napier. John Watson ................ Nasini. Raffaello ..................... Oates. William Henry ................ Orndorff. William R .................. Orr. Alexander ...................... Owen. Robert Henry ................. Parish. S............................ Payne. George F..................... P1at.t. Charles ....................... Rees. George Percival ................ Reid. Thomas Anderson ............... Rintonl. William ..................... Proposed . Novembcr 2nd ...... February lGth ...... November 2nd ...... June 15th .......... January 19th .......May 18th .......... November 2nd ...... January 19th ...... November 2nd ...... .. .) ...... May 18th .......... November 2nd ...... December 1st. 1892 .. March 2nd ........ February 16th ...... March 16th ........ February 16th ...... January 19th ....... May 18th ......... February 16th ...... December 1st) 1892.. January 19th ....... May 4th ........... January 19th ....... February 16th ...... November 2nd ...... May 18th .......... February 2nd ...... May 4th ........... April 20th ......... January 19th ...... February 16th ...... November 2nd ...... ,, ,, ...... February 2nd ...... .......... May 18th .......... March 16th ........ February 16th...... Mar 4th ........... April 20th .........December 1st) 1892.. February 16th ...... November 2nd ...... January 19t. li ....... November 2nd ...... .. ........ Febrnayy 2nd ...... Elect ecl . December 7th. May 4th . December 7th. 97 . February 16th . June 15th . December 7th. February 16th . December 7th. Y, 7: June 15th . December 7th. February 16th . May 4th . .... 97 99 February 16th . June 15th . May 4th . February 16th . .. .. June 15th . February 16th . May 4th . December 7t.h. June 15th . May 4th. June 15th . YY .. February 16th . May 4th. December ’7.11 . Ma; 4th . ” .... June 15th . May 4th . 99 ..June 15th . 91 .. Februa1.y 16th . May 4th. becember 7th. February 16th .December 7th. .. .. May 4th . Numc. ..... Eitchie. George ...................... Eobbins. James Henry. ............... Schiclyowitz. Philip ................... Sessions. Wilfrid .................... Shapley. Frederick ................... Sinis. W . Edgar ...................... Sorrell. Henry T ..................... St.yles. Robert Curling ................ Thackrah. James Robert .............. Thompson. Frank E.................. Thoinpson. George Rudd .............. Tliorpe. Jocelyn Field ................ Towers. John William ................ Tyrer. Charles Thomas ............... Umney. John Charles ................ Vandenburgh. Frank P............... Va.utin. Claude Thomas ...............Waite. Charles E..................... Walden William Herbert ............. Walke. Willoughby .................. Warmington. Edward A............... Watson. A. F........................ Welchman. Frank Ernest ............. W haley .Sydney .................... Wheeler. William Ernest ............. White. Henry C ..................... White. William Gilchrist ............. Whittaker. Thomas ................. W ilkinson. John ..................... Winder. Ed'ward Humplireys .......... JVyndh am. 8tanley .................. April 20th ......... February 2nd ....... November 2nd ...... May 4th ........... November 2nd ...... .......... April 20th ......... November 2nd ...... December 15th. 1892 May 4th ........... February 2nd .......Xorember 2nd ...... December 1st. 1862 .... 15th. 1892 January 19 th ....... February 16th ...... May 18th .......... January 19th ....... Kovembrr 2nd ...... January 19th ....... May 18th .......... February 16th ...... November 2nd ...... April 20th ......... December 1st. 1892 .. January 19t.h ....... June 15th .......... April 20th ......... March 16th ........ June 15th .......... Pioveinber 2nd ...... Elected. June 16th . May 4t.h. December '7th . June 15th . December 7th. Jun); 15th. " December '7th . February 16th . June 15th . May 4th . December 7th. February 1Gbh- 99 .. May 4th. June 15th . February 1Gth. December 7th. February 16th .June 15th . May 4th. December 7th. June 15th . February 16th . February 16th . December 7th. June 15th . May 4th. December 'Tth . 77 .. VIII FELLOWS DECEASED SINCE 1sT JANUARY. 1893. Name. Elected. Died. Annal. James ................ April 4th. 1889 ............. Dee.8th. 1803. Black. d.E.................. .. 1st. 1880 Blake. James ................ June 17th. 1886 ............. June 28th . Cannon. W. H. Carew. Russell ............... February 5th. 1863 .......... March 19th . Clarke. F.C.H., Col.......... April 16th. 1868 ............ August 27th . Davies. Robert Eiggins ....... December 18th. 1873 ........ November. Foster. William .............. January 18th. 1872 .......... May. Galc. Samuel .Heaton. C . €I................ December 18th. 1854 ........ September 11th . Hind. H.It.................. February 7th. 1878.......... April 17th . Jones. John Hodgson- ........ December 15th. 1856 Leibius. Adolph .............. .. 18th. i879 ........ June 19th . Phillips. S.E................ .. 7th.1882 .......... May 23rd . RowneF. Thomas Hen1.y ...... March 21st. 1848 ............ January 6th. Scott. Charles K.............. December 3rd. 1891 ......... March. Tustin. W.B................ June 2nd. 1870 ............. May. Tyndall. John. F.R.S. ........ April 2nd. 1868 ............. December 4th. Walton. Thomas ............. December 9th. 1869.......... 1892. 1x TITLES OF PAPERS COMMUNICATED TO THE SOCIETY T)URING 1893.January 19th. 93. Glucinum. Part I. The preparation of glusina from 5erjl. By John Gibson, Y1i.D. ................ 94. The determination of the thernial expatision of liquids. By T. E. Thol-pe, F.R.S. .............. 95. The determination of the thermal expansion and specific volumes of certain paraffins and parafin deriratires. By T. E. Thorpe, F.R.S., and Lionel 31. Jones, BSc. .............................. 96. The hydrocarbons derived €rom dipeiitene dihydro- chioride. By William A. Tilden and Sidney Wil- liamson.. .................................... 97. Sulphonic derirntives of camphor. By F. StanleyKipping, Ph.D., D.Sc., and W. J. Pope .......... 98. The preparation of dinitro-a-naphthylamine[NHZ : NO2 : NO3 1 : 2 : 4.1, from its acetyl and valeiyl derivatives.By K. Meldola, F.R.S., and M. 0. Forster, P1i.D. ...... 99. Thionyl bromide. By P. J. Hartog and W. E. Sinis 100. Desulphurisation of the substituted thioureas. ByAugustus E.3ixon, M.D. ...................... 1C1. Lcalts of active and inactive glyceric acid : the influ- ence of metals on the specific rotatory power of active acids, By Percy 3. Frankland, P.R.S., and J. R. Appleyard .............................. 102. Dibromo-P-lepachone. By Samuel C. IIooker and A. D. Grey .................................. 103. The coni-ersion of para- into ortho-quinone derira- tires. By Samuel C. Hooker .................. 104. The nitro-derivatives of phenolphthalein.By John A. Hall, KHc. ............................... 105. A meihd for the prepmation of acetylene. ByMorris W.Travers ............................ Fehriiary %id. 106. The connection between the atomic weight of the contained metals and the magnitude of the angles of crystals of isomorphous series. By A. E. Tutton, Assoc. R.C.S. ................................ 107. The preparation of phosphoric oxide free from the lower oxide. By W. A. Shenstone and C. R. Beck Pagein Pro-ceedings. 2 3 4 5 5 7 10 10 11 13 13 14 15 27 30 Page ill Trans-actions. -262 2'73 292 618 --318 296 434 ---337 475 X 108. Contributions to our knowledge of the aconite alkaloids.Part IV. On isaconitine (nepelline).By Wpdliam R. Dunstan and E. F. Harrison .... 209. Contributions to our knowlcdge of the aconite alkaloids. Part V. The composition of some com- mercial specimens of aconitine. By Wyndham R. Dunstan and Francis H. Carr ................ 110. Synthesis of oxazoles from b5nzoin and nitriles. ByFrancis X,Jnpp, F.R.S., and T. S. Murray, D.Sc. 111. The action of nitrosyl chloride and of nitric peroxide on some members of the olefine series. By William A. Tilden and J. J. Sudborough ................ 11'7. Piperazine. By W. Majert and A. Schmidt.. ...... February 16th. 113. Note on the preparation of platinons chloride, and on the interaction of chlorine and mercurf. BpW. A. Shenstone and C. R. Beck................ 114. The action of phosphoric anhydride on fatty acids. Part 111. By F. Stanley Kipping, Ph.D., 11.S~... 115. Regularities in the melting Foin!s of certain par- affinoid compounds of similar constitution. ByF. S. Kipping, Ph.D., D.Sc. .................... 116. Some relations between constitution and physical constants in the cuse of benzenoid amines. ByW. R. Hodgkinson and Leonard Limpach ........ 117. Electrolysis of sodic ethylic camphorate. By J. Walker, D.Sc. ................................ 118. The hydrates of hydrogen chloride. By S. W. Pickering .................................... 119. A new base from CorydoZis cam. By James A. Dobbie, M.A., D.Sc., and Slexander Laudel. ...... February 20th. EXTRAMEETING. 120.The lifework of Hermann Kopp. By T. E. Thorpe,D.Sc., F.R.S. ................................ March 2ud. 121. The magnetic rotation and refractive power of ethylene oxide. By W. H. Perkin, Ph.L)., F.R.S. 1~2.The origin of colour (including fluorescence).VII. The phtlialeins and fluoresceins. By Henry 33. Armstrong ................................ 153. The origin of' colour. VIII. The limitation of colour to truly quinonoid compounds. Change of colour as indicative of change of structure, as in the case of alizarin. By Henry E. Arnistrong .. Pagein Pro-ceedings. 31 32 34 34 35 38 40 40 41 43 45 45 46 52 52 5s Page in Trans-actions. 4I43 491 469 479 -452 365 -4% -485 775 4 38 -- XI 124.Note on optical properties as indicative of ttructure. By Henry E. Armstrong ...................... 13.5. The origin of colour. IX. Note on the appearance of colour in quinoline derivatives and of fluor-essence in quinine. By Henry E. Armstrong .... 126. The ethereal salts of glyceric acid, active and inactive. By Percy Frankland, Ph.D., B.Sc., F.R.S.,and John MacGregor, M.A. ....................... 137. For nation of the ketone 2 :6-dimethyl-l-ketohexa-pliane from dimethylpinielic acid. By F. StanleyKipping, Ph.D., D.Sc. ........................ 138 Note on the interactions of alkali-metal haloids and lead haloids, and of alkali-metal haloids and bis- muth haloids. By Eleanor Field, Assistant-Denionstrator in Chemistry, Newnhallz College, Cambridge................................... 129. An isomeric form of benzylphenplbenzylthiourea.By Augustus E. Dixon, M.D.. .................. 130. A new atomic diagram and periodic table of the elements. By R. M. Deeley.. .................. March 16th. 131. The limits of accuracy of gold bullion assaying, and the losses of gold incidental to it. By T. K. Rose.. 132. The volatilisation of gold. By T. I(.Rose.. ....... 133. Note on the boiling point of nitrous oxide at atnio- spheric pressure, and on the melting point of solid nitrous oxide. By William Ramsay, F.R.S., and John Shields, Ph.I)., B.Sc. ..................... 134. The isomerisni of paraffinic ddoximes. BJ-WpdliarnR.Dunstan and T. S. Dymond.. ................ 135. The mineral waters of 9skeri3, in Porkshire. ByC. H. Bothamlep.. ............................ 136. Note on the distribution of acidic and alkalinic radicles in a solution containing calcium, mag- nesium, carbonates, and sulphates ;and 011 the com- position of mineral waters. By C. H. Bothamley.. 137. A magnesium compound of diphengl. By W. R. Hodgkinson ................................. 138. Note on acetanhydrocitric acid. By Felix Klinge- mann. ....................................... 139. The dissolution of gold in a solution of potassiumcyanide. By R. C. Maclaurin, B.Sc.. ............ April 2Gth. 1. A contribution to the chemistry of physiology of foliage leaves. By Horace T.Brown, F.R.S., and G. Barris Morris, Ph.D. ....................... 2. The interaction of alkali cellulose and carbon disul- phide : cellulose thiocarbonates. By C. F. Cross, E. J. Bevan, and C. Beadle.. ................... Page Page in Pro-in Trans-ceedings. actions. 5’7 63 (5 7 c,S 69 70 TO 53 -I I 3 iC; it; is i9 80 51 81 99 108 3. Sulphocampliylic acid. By W. H. Perkin, jun.. .... 4. Magnesium diphenyl. By Lot,har Meyer .......... 5. The formation of pyridine derivatives from unsatu- rated acids. By 8. Ruhemann, P1i.D.. ........... 6. Chlorinated phenylhydrazines. Part 11. By J. T. Hewitt, E’h.D.. ............................... 7. The oxidation of tartaric acid in presence of iron. By H.G. H. Fenton,M.A ..................... 3. The inertness of quicklime. By V. H. Veley.. ..... 9. The products of the interaction of tin and nitric acid. By C. H. H. Walker. .................... 10. Interaction of thiourea and some haloid derirativea of fstty acids. By Augustm E. Dison, 19.D...... May 4th. 11. The hyclmtes of sodium, potassium, and lithium hydroxides. By S. W. Pickering.. .............. 12. Detection of arsenic in alkaline solution. By John Clark, Ph.D.. ................................ 13. Improvements in Reinsch’s process. By John Clark, Ph.D.. ...................................... 14. The action of light in preventing putrefactix-e de- composition and in inducing the formation of hydrogen peroxide in organic liquids.By Arthur Richardson, Ph.D. ............................ 15. The supposed saponification of linseed oil by Dutch white lead. By J. B. Hannay, F.R.S.E., and Arthur E. Leighton ........................... 16. Notes on capillary separation of substances in solu- tion. By Lester Reed.. ....................... 17. Note on the meta-azo-compound. By R. Meldola and F. B. Burls .............................. 18. The influence of moisture in promoting chemical action. Preliminary Note. By K. Brereton Baker, M.A.. ................................. 19. The genesis of new derivatives of camphor contain- ing halogens by the action of heat on sulphonicchlorides. By F. Stanley Kipping, Ph.l)., D.Sc., and W.J. Pope .............................. *way 1811L. 20. Studies on the formation of ozone. 11. By W. A. Shenstone and Martin Priest.. .................. 21. The relative strengths or “aridities ” of some com- pounds of weak acid character. By John Shields, D.Sc., Ph.D .................................. 22. The boiling points of homologous compounds. Part I. Simple and mixed ethers. By James Walker, Ph.D.. D.Sc ........................................ Pagein Yro-ceedings. 109 111 112 112 113 114 114 113 118 119 119 121 122 123 126 129 130 141 144 145 ~~ Pagein Trans-actions. --239 868 -82L 845 815 890 886 1109 --.----938 -- Pagein Pro-2eedings.23. The coiiditions deterniinatire of chemical cha.nge. By Henry E. Armst,rong.. ..................... 145 24. The nature of depolurisers. By Henry E. Arm-strong ....................................... 148 June 1st. 25. Azo-compounds of the ortho-series. By R. Meldola, E. M. Hawkins, and F. B. Bnrls.. .............. 161 26. The production of a fluorescein from camphoric an- hydride. By J. Norman Collie, Ph.D., F.R.S.E. .. 163 27. Researches on the terpenes. 11;. The action of phosphorus pentachloride on cimphene. By J. E. Marsh and J. A. Gardner ...................... 163 28. The coniposition of a specimen of jute fibre produced in England. 3y 4ndrew Pears, jun. ............ 165 23.Note on the conibination of dry gases. Ey W. Ramsay, F.R.S................................ 165 30. Ortho-, para-and peri-disulphoaic derivatives of naphthalene. By Henry E. Armstrong and W. P. Wynne ...................................... 166 31. Supplementary notes on madder colouring matters. By E. Schunck, Ph.D., F.R.S., and L. Marchlemki 169 32. The constitution of rubiadin glucoside and of rubiadin. BJ L. Marchlewski.. ................ 169 June 15th. 83. Contributions to our knowledge of the aconite alka- loids. Part TI. Conversion of aconitine into ieaconitine. By Wyndham R. Dunstan, M.A., F.R.S., and Francis H. Carr.. .................. 171 34. Contributions to our knowledge of the aconite alka-loids. Part VII.Some modifications of aconitine aurichloride. By Wyndham R. Dunstan, M.A., F.R.S., and H. A. D. Zowett.. .................. 172 35. Note on the stcreoisomerism of sitroger, compounds. By S. U. Pickering.. .......................... 173 36. A study of the properties of Bome strong solutions. By S. U. Pickering.. .......................... 174 3’7. Studies on citrazinic acid. By Wr.J. Sell aud T. H. Eastcrfield ................................... 174 38. The essential oil of hops. Preliminary Notice. ByAlfred C. Chapman .......................... 177 39. The sulphides and polysulpliides of ammonium. BgW. P. Bloxam.. ............................. 178 40. Sarcolantic acid obtained by fermentation of inactive lactic acid. By Percy l!rurkland, F.R.S., and J.MacGrcgor, Riz A. ......................... 183 Pagein Trans-act ions. -7 --923 96L -964 --969 113; 991 994 1069 958 1035 --1028 XIV 41. Hexanitroxanilide. By A, (3. Perkin ............ 42. The constituents of the Indian dye-stuff kamala. (1)By A. G. Perkin.. ........................... 43. A quantitative method of separating iodine fron chlorine and bromine. By D. S. Macanair, Ph.D., B.Sc. ...................................... 44. Note on a forin of burette for rapid titration. BgLlcwellyn Gnrbutt, Assistant- Master at, Wincliestei College ..................................... 45. Tire use of sodium peroxide as an analytical reagent. By J. Clark, P1i.D .............................46. Stibiotantalite : a new mineral. By G. A. Goyder .. 47. The colouring matter of Brosern FVhiitnkei-i. (11.)By E. Rennie, M.A., D.Sc.. .................... 48. Preparation of mono-, di- and tri-beiizjlamine. ByArthur T. Slason, Ph.D. ...................... 49. Piazine (pymzine) deriyatiyes (11). By Arthur T. Mason, Yh.D. ................................ 50. Piazine deriratives (111). By Arthur T. Mason, Ph.D ,and L. A. Dryfoos, PhB. ............. 51. Condensation products from et hylenedianiine and derivatives of acetoacetic acid (LV). By Arthur T. Muson, P1i.D.. and L. A. Dryfooq, Ph.l). ...... 52. Studies of the oxidation products of turpentine. BJ L. B. Schrjver, Ph.U., B.Sc. ................... 53.Addendum to note on the nature of depolarisers.By Henry E. Armstrong.. ..................... 54. The molecular complexity of liquids. By William Ramsay, Ph.D., F.R.S., and John Shields, Ph.D., D.Sc. ....................................... 55. The preparatiun of active amyl alcohol and active vttleric acid from fuse1 oil. By W. A. 0.Rogers.. Receized am? prided iu the Transnctions duriiig th vacation,. 56. Peri-derivatives of naphthalene. By R. Meldola,F.R.S., and F. W. Streatfeild .................. 57. Note on lead tetracetate. By A. Hutchinson, M.A., Ph.D., and W.Yollnrd. B.A. .................. 58. Resolution o€ lactic ncid into its optically acth componeikts. Bv I. Purdie, Ph.l)., BSc. ........ 59. The colouring principles of Ruhia sikkimnsis.BJA.G.Perkin and J. J. Huinmel ................ 60. The colouring and other principles contained in chay root. By A.(3. Perkin and J. J. Hummel ...... 61. Phen ylnaphthalenes. I. a-Yhenylnaphth alene. ByF. D. ChattawaF, B.A. ........................ 62. The rapour pressures, molecular volumes, and criticd constants of ten of the lower ethereal salls of acid* of the acetic series. By Sydney Young, DSc.. F.R.S., and (x. L. Thomns, B.Sc................. Pagein Pro- ceedings 180 181 181 182 184. 184 184 185 185 18G 18’7 187 188 191 192 199 199 199 200 201 201 201 Pagein Trans-actions. 1063 9i5 1051 -10i9 2076 1083 1311 1284 1293 1310 1327 -1089 1130 1054 1136 1143 1157 1160 1185 1.191 xv ~ Page Page in Pro-in Trans-ceedings.actions. 63. The frrmentation of dextrose, rhainnoee, and man- nit01 by a lsevo-lactic ferment. By George Tate, Ph.D. ....................................... 203 -64. Derivatives of quinone containing hdogens. Part 111. Derivatives of quinhydrone. By Arthur R. Ling and Juliun L. Baker ...................... 203 1314 A'ovembev 2nd. 65. The action of bromine on azubeuzene-a correction. By Henry E. Armstrong ...................... 206 -66. The origin of colour. X. Coloured hydrocarbons. By Henry E. Armstrong ...................... 206 -67. The formation of the hydrocarbon "truxene " from phenylpropionic acid, and from llydrindcne.By I?. Stanley Kipping, Ph.l)., D.Sc. ............ 207 269* 68. The action of aluiiiinium chloride on heptylic cblo- ride. By F. Stanley Kipping, Ph.D., 11.S~....... 20s €O* 69. The inertness of quicklime. 11. The interaction of chlorine and lime. By V. H. Veley.. ........... 209 1+ 70. Note on hyponitrites. By D. H. Jackeon, M.A., B.Sc. ....................................... 210 -71. The interaction of hydrogen chloride and potassium chlorate. By W. H. Pendlebury, M.A., and Mrs. McKillop .................................. 211 -72. The formation of indoxazen derivatives. By W. A. Bone, Ph.D. ................................. 212 1346 73. The interactionof benzjlamine arld phenacyl bromide. Synthesis of piazine derivatives.By Arthur T. Mason, Ph.D., and aoodlake Winder, Ph.D. ..... 214 1356 74. The interaction of quinones and inetanitraniline and nitroparatoluidine ; a preliminary note. By James Leicestrr, Ph.D.. ............................ 215 -75. Preparatiun of a-$diphenylindoles from benzo'in and primary benzenoid amines. By R. Japp,F.R.S .and T. 5. Murray, D.Sc. ................ 216 889" Noremher 16th. 7G. The normal butylic, heptylic and octylic ethereal salts of active glyceric acid. Ry Percj Frank- land, Ph.D., B.Sc., F.R.S., and John MacGregor, M.A......................................... 234 141077. The ethereal salts of diacetylglyceric acid in relation to the connection between optical activity and chemical constitution.By Percy Frankland, PhD ,B.Sc., F.R.S., and John MacGregor, M.A. ....... 235 1419 78. The oxidation of para.toluidinc. By Arthur G. 79. The action of benzoic chloride on wine in presence Bieen. ...................................... 2s7 1395 XVI of alkali. Formation of benzoic derivatives of crochrome. By J. L. W. 'Ihudichum, M.D.,F.R.C.P. .................................... SO. The combination of hydrocarbons with picric acid and other nitro-compound-s. By William A. Tilden and Martin 0. Forster.. ....................... S1. The formation of pyrrol derivatives from aconitic acid. By S. Ruhemnnn, Ph.D., M.A., and F. 11:. Ailhusen, B.A. ................................SS. The conversion of n-liydrindonoxime into hydro-carbostyril. By F. Stanley Kipping, Ph.D., I).&.. S3. The constitution of lapachol and its derivatives. 11. The azines of the lapachol group. By Samuel C. Hooker ...................................... 84. An apparatus for the extraction and estimation of the gases dissolved in water. By E. 13. 'Trun1~n, M.D.. ....................................... 8.5,The magnetic rotation of hydrogen chloride in diffe- rent solvents, and also of sodium chloride and of chiorine. By W. H. Perkin, Ph.D., F.R.S.. ...... S6. Analysis of water from the Zem-Zem Well in Mecca, By C. A. Mitchell, B.B. (Oson), King's College, London. ..................................... S7. The preparation and properties of bromolapachoi.By Samuel C.Hooker ......................... SS. Studies on citrszinic acid. Part IT. By T. H. Ensterfield and W. J. Sell.. .................... 88. The oxides of the elements and the periodic law. By R. M. Decley ............................. !lo. Tlie freezing points of allop in mliicli the solvent is thallium. By C. T. Heycock and I?. H. Neville.. . Decender 21st. '31. Corydaline. Part 111. Oxidation with potassiiun permanganate. By James J. Dobbie, M.A., D.Sc., and Alexander Lauder.. ....................... $12. The properties of n-benzaldosime and some of its derivatires. By Wyndham R. Dunstan, F.R.S., and C. M. Luxmoore, B.Sc. .................... 93. The interaction of acid chlorides and nitrates.ByHenry E.Armstrong and A. Lapwort h .......... 93,. The freezing points of triple alloys. By C. T. Hey-cock and $'. H. Nevillc.. ...................... 95. Syntheeis of pentamethlenecarboxylic acid, hexa-methylenecarboxylic acid, hexhydrobenzoic acid, and azelaic acid. By E. Haworth, B.Sc., and W. I€. Perkin, jun., F.R S. ........................ Page Pngc in Pro- in ceedings. Trans-actions. 238 -239 135s 210 9" 2 10 -241 1376 24E 43" 344 20" 245 -2 15 15* 2417 28* 2 17 106* 2 47 31* 3.52 57" 233 -255 253 65* 257 86" xvrt .-.__------ i--i-- 96. The conversion of ortho- into para-, and of pma-into ort,ho-quinone derivi=$ives. I. The condensa- tion of aldehydes with U-hydroxy-a-naphtli~qui-none. By S.C. Hooker and W. C. Carnell. :17. The sgrithesis of lapachol. By S. C. Hooker.. . .. .. i6* - * Papers printed in the Transactions for 1894 are distinguished by an asterisk titter the page number. Where no reference is giren to the Transactions, the p:rper has appeared only in the “ Proceedings.” vor, IX, x VIII INDEX TO AUTHORS’ W4MES. AbeI, Sir 3’. A., 135. Allhusen, F. E., 240. Applcgard, J. R., 11. Armstrong, H. E., 52, 55, 57, 63, 145, 148, 166, 188, 206, 233. Baker, H. B., 220. Baker, 6.L., 203. Beadle, C., 108. . Heck, C. R., 30, 39. Beran, E. J.,108. Uloxam, W. P., 178. Bone, W. A., 212. ?~othaniley, C, H., 78, 79. Hnrls, F. B., 126, 161. Brown, A. Cruiu, S2. Brown, H. T., 99.Cnri?cll.W. C.. 258. Cwr, F. €I.,171, it2. Chapman, A. C., 1‘77. Chattawuy, I?. D., 201. Clark, J., 119, 184. Collie, J. N., 163. Cross, C. F., 108. Deeley, R. M., 70,247. Xxon, A. E., 10, ‘70, 115. Dobbie, J. A., 45, 252. Drgfoos, L. A., 186, lS7. Dunstan, W. R., 32, 76, 171, 253. Ilymond, T. S., 76. Easterfield, T. H., 175, 247. Fenton, H. J. H., 113. Field, Eleanor, 69. Forster, M. O., 7, 239. Prankland, P. F.$11,67, 180, 234, 235. Garbntt, L., 182. Gardner, J. A,, 163. Gibson, J.,2. Gojcler, 9. A, 184. Gray, 9. D., 13. (:reen, A. G., 237. IMI, J. A., 14. 11illllYd?, J. u., 123. Hart,og, P. J., 1.0. Hawkins, 3:. M., 161. Hsworth, E., 257. Hewit,t, J. P., 112. Hoycock, C. T., 247, 23G. Hodgkinson, W.R., 41, 80. Hooker, 8. C., 13. 21.1, 246, 258, 259. Huinmel, J. G., 200. Hutchinson, A., 199. Jackson, D. H., 210. Jnpp, F. R., 34, 216. Jones, L. M., 4. Jowett, H. A. D., 173. Kipping, F. S., 5, 40, G8, 130, 207, 20s. 240. Klingeruann, F., 81. Lsndei-, C., 45, 252. IAnpwortjli,A., 255. Leicester, J., 215. Leighton, A. E., 122. Limpach, L., 4ql. Ling, A. R., 203. Luxmore, C. BI., 253. MucGregor, J.,67, 180, 234, 235. Maclnurin, R. C., 81. Macnair, 1).S., 181. Majert, W., 35. Marchlewski, L., 169. Marsh, J. E., 163. Mason, A. T., 185, 186, 187, 20-1. McKillop, Mrs., 211. Meldola, R., 7: 126, 161, 199. Meyer, Lotliar, 111. Mitchell, C. A., 245. Morris, G. XI., 99. Murray, V. S., 34, 216. Neville, F.H., 247, 256. Pasteur, 1. Pears, A., jun., 165 Ptandlehur!-, W. H., 211. Perkin, A. G., 1S0, 181, 200, 201. Pediin, M7. €I., 52, 137, 244. Perkin, W. H., jun., 100, 257. Picliering, S. U., 45, 118,173, 174. Pli>yfair,Lord, 133. Pollard, W., 199. Yope, W. J.,5, 130. Priest, M., 141. Pardie, T., 199. Rainsay, W., ";6, 265, 191. Rend, L., 123. Rennie, G., l8L. Richardeon, A., 121. Rogers, W. 9.C., 192. Rose, J. K., 73, 75. Ruhemann, S., 112, 240. $chmidt, A., 35. Schryrer, S. B., 187. Sclianck, E.,169. Sell, W. J., 174, 247. Shenstone, W. A, 30, 38, 141. Shields, J., 76, 144,191. Siins, W.E., 10. XIX Strentfeild, F. W.,199. Sudborough, J.J., 34. Tate, G., 203. Thomas, G. L., 201. Thorpe, T.E., 3, 4, 46. Thudichnni,J. L. W., 238. Tilden, W. &4.,5, 34, 238. Trarers, M. W., 15. Truman, E. B., 244. Tutton, A. E., 27. T'eley, V. H., 114,203. Walker, C. H. IT., 114, Walker, J.,43,135. Williamsoii, S., 5. Wincicr, G., 214. wplllle, IT. P., 166. TOllllg, s.,201. xx INDEX TO DISCUSSIONS. Arinstrong, H. E., 103, 123, 132, 143. Kipping, S. F., 176. Awten, W. C. Roberts, 75. Ling, A. R.,41. Raker, H. B., 30. BIouet. B., 122. McLeod, H., 142. Brunton, Dr. Lsuder, 33, 108. Miers, I€. A., 30. Mond, L., 65. Caqsal, C. E.,117. Collie, 44. Perkin, W. H., 65. Croolies, W., 143. Ramsay, W., 4, 143. Dunstan, W. R., 34. Reid, W. F., 123. Dyer, U., 120. Rodger, J. W., 236. J).rei-,W.T.T., 103.Rucker, A,, 49. Gladstone, J. H., 49, 64. Scott, D. H., 107. Green, Professor, 1W. Shenstone, W. A, 30, 153, Grorcs, C. E., 40. Stevenson, T., 33. Harland, 182. Thorpe, T.E.,4, 39. Howard, D., 33. Hntitlp, G. N., 143. Walker, J., 46. ~J~r,. M., 236.~ ~ ~ ~ , XXI INDEX OF SUBJECTS,. Acenaphthylene, a yellow hydrocarbon, 206. Acetaldoxime, properties of isomeric, 76. Acetanhydrocitric acid, 81. Acetate, lead tetr-, 199. Acetic acids, thiourea and clilor-, 115. dcetophenone, orthochlor- and ortho-nitr-, 213. Acetylene, preparation of, from calcium carbide, 15. -kids, action of P,05on fatty, 40. --avidities of weak, 144. -1conite alkaloids, nroperties of, 31. ,iconitic acid, 240. Auonitine aurichloricle, modifications of, 172.--composition of commercial specimens of, 32. .---conversion of, into isaconi- tine, 172. Address, President’s, 82. to the Dezctsche Chentische Gesellschnft on their 25th anniversary, 84.-Sir J. B. Lawes and Dr. Gil- bert, on the occasion of She Rothum-sted Jubilee, 193. M. Pasteur, on his 70th birth- clay, 1. the Russian Chemical Society, on their 25th anniversary, 234, 251. Addrepses, Hofmann Memorial, by Lord Playfair, Sir F. A. Abel, and Dr. Perkin, 133. Aldehydes, condensation of, with B-hydroxy-a-naphthaquinone,258. ---structure of, 62. Altloximes, isomeric fatty, 76. -Uizarin, constitution of, 55. Alkali hydroxides, hydrates of, 118. Alkaloids in Corydalis cacn, 43. --various species of aconitc, 81, 172.Alloys, freezing points of triple, 2%. of thallium, freezing points of, 247. Alniiiininm chloride. action of, 011 11eptylic uhlondu, 2UY. Aiuines, melting points of, clcrivatives of benzenoid, 41. Ammonium chloride, non-fonnlttion from, dry materids of, 129, 165. ---sulphides and polysulphides, 178. Amy1 alcohol, preparation of active, 192. Analysis. Accuracy of gold bullion assay, 73.Askern mineral waters, 78. --Burette for rapid titration, 182. --Capillary separation of dis-solved substances, 123.Detection of arsenic in alka- line solution, 119.Estiintltion of gases dissolved in water, 244. --Improveineiits in Reinsch’s process, 119. --Separation of iodine from chlorine and bromine, 181.--use of sodium peroxide in, 184. Anomalous colour dispersion in rosani- line colours, 63. Annual General Meeting, 88. Anthracene derivatives in Oldenlundia urttbellat u,201. -----Bec6 iasikki-meitsis, ‘LOO. ----____ madder. Bu-biadinglucoside, 169. dtoinic diagram of the clements, a new, 70. weights in relation to crystallo- graphic characters, 27. durictilorides, modifications of acoiii-tine, 172. Avidities of compounds of weak acid c:liaracter, 144. dzelaic acid, synthesis of, 257. Azincts of lapachol group, 241. Azo-a-naphthylamine, metaphenol, 1%. Azobenzene, conversion of, into tetra- broinobenzidine by bromine, 206. Azo-coinpounds of the ortho-series, re-duction of acetyl-derivatives of.161.-_-_ met-, 128. b2 XXII I~i~~dowsky'~ by oxiclisiiigbase prc~p~~'d paratoluidinc, constitution of, 337. Benzidine, t,etmbromo-, 206. BenzoYn, formation of dipheriyliiidolcsfrom amines and, 216. ---synthesis of oxuzolcs from nitriles and, 34. Beryl, prepration of gluciiitl from, 2. knzaldoximc, propcrties of, 253. Benzylaminr and phenacylbromitle, in- teraction of, 214. ---prepmution of 1110110-, di-, and tri-,185. Bisinutli haloids, interaction of alkali metal haloids and, 69. Boiling points of homologous coni-pounds of simple and mixed ethers, 1-45. ----nitrous oxide, 76. Burette, a form of, for rapid titration, 182. Byelaws, addition to, 51, 86. Ctesium double sulphatea, crystallo -graphic character8 of, 27.Calibration of dilatometers, 3. Camphene and phosphoric pentachlo- ride. Crtmphene phosphoric acids, 163. Camphor, new derivatives of, containing halogens, 130. --sulphonic derivatives of, and of bromo- and chloro-, 5. Camphorate, electrolysis of sodic ethylic. Pretmration of campholytic and cam-phothelic acids, 43. Camphoric: acid, constitution of, 44. --fluorescein, 163. Cane-sugar in leaves, importance of, 102. Camphylic acid, sulpho-, investigation of, 109. Capillary separation of substances in solution, 123. Caprylene, preparation and propertiesof, 4.0. Carbide, preparation of calcium. Its conversion into acctylene, 15. Carbonates and sulphates of oalciuni and magnesium, interaction of, 79. Uarbonyl compounds of iron and nickcl, 58.Cellulose thiocarbonates, 108. Certificates, 18,85,153,221. --President's ruling as to reading, 117. Chap i-oot, constituents of, 201. Cheinical change, conditions determina- tive of, 145. ---influence of moisturc in promot,ing, 129, 165. C'liloraiiilatcs, conslit tttiou oU, 57. Chlor:tte, interaction of hydrogcii chlo- ride and potassium, 211. Chlorides and nitrates, interaction 01 mid, 255. Chlorine aud lime, interaction of, 209. ---ineiwny, interaction of, 38. --prepration of pwe, 38. C'innamene nitrosochloridc, 34. Citrazinic acid, preparation and deriva- tives of, 174, 247. Citrene dihydrochloride, decomposition by heat ot, 5. oxidation of, 5. Cityic acid, ncetanhydro, 81.Colonr, change of, as indicativc of change of structure, 55. ---dispersion of rom~ilinc,kc., ex-planation of, anomtilous, 63.-limitation of, to truly yuiuoiioid compounds, 55. --origin of, 52, 55, ti3, 2Oti. Colourecl hydrocarbons, 206. Colouring matter takeri, 184. belluta, 201. sfs, 200. -_.__---169. of Uroserci 7C7hit-OitleiiEar~cZictUII~-Rubin sikkiweu-tiitctoria, Corycluline, oxidatioii of; 232. Corgtnberinc, u new alkaloid from C. NLm, 45. Ui-it icul coiistaiits of etliei-cal sal~s of iicetic wries, 201. CrgstdlogrtLpliy of isomorphous serics of salts, 27. Cyanide of potassiuni, dissolution of' gold by, 81. hltoii's work on specific volumes, 49. Depolariscrs, nature of, 148, 188. Desyiaiiilicles, 217.Destilpliurisation of tliio tti*cas, 10. Diagraiu of elements, a new periodic,70. Diastuse iii leaves, dcterniinutioii of, 101. Diazoimide, structure of, 5'3. Diazophcnimidc, structure of, 39. Dilutometers, construction, calibratioii, :utd heating of short, 3. Dipentine liydrocliloridc, Iiycirocurbons fvom, 5. Diphengl, a iuagnesiuni compound of, 80, 111. Dt*oser*ct Wh.iltcikcJri, colouriii iwrttter of,184. Dry gases, combination of, 165. XXlII DFcstuffs from Kamala root, 181. Elections of Fellows, 38, 117, 171, 243. Electric discharge in gases, nature of, 143. Electrolysis, changes occurring in, due to oxidation, 44. --of soclic ethylic camphorate, 43. --of sulphuric acid solutions, 190.Electrolptes, properties of strong solu- tions of non-, 174. Elements, periodic arrangement of oxides of, 247. a new periodic table of, 70. Ethereal salts of acids of acetic series, vapour pressures, molecular roluuies and critical constants of, 201. Ethers, boiling points of simple and mixed, 145. Xthylenedianiine, condensation products from aceto-acetates and, 187. oxide, magnetic rohation and refractive power of, 52. ----consti t,ation of, Expansion of liquids, determination in short tubes of thermol, 3. Fellows, election of, 38, 11'7, 171, 243. Fermentation, preparation of active from inactive lactic acid by, 180. --by a 1Evolactic ferment, 203. Fluorescein, constitution of, 52. ---preparation froin cai;lphoric anhydride of a, 163.Fluorescence, 52. ---of citrazinic acid, 176. --__ of naphthalene derivatives, 64. ---of quinine, 63. Fluorides of a!uminium, glucinum and iron, behaviour when heated of, 3. Fluorindine derivatives, 216. Foreign members, new, 82. Glyceric acid, ethereal salts of actire and inactiTe, 11, 67. diace1,j 1-, 235. ---salts of active and in-active contrasted, 11. Gold bullion assay, accurucy of and losses incidental to, 73. -dissolution of, in a solution of potassium cyanide, 81. -volu tilisation of, 75. Haloids, interaction of alkali metal and iead or bismuth, 69. Heptylic chloride, action of aluminiuin chloride on, 208. Hexaniethylenecarboxylic acid, syntlic- sis of, 25'7. Hexanitroxanilide, 180.Hodgkins Fund Prizes, 194. Hofmann memorial addresses, 132. Homologous compounds, calculation of boiling points of, 145. Hops, essential oil of, 177. Hydrates of alkali hydroxides, 118. ---hydrogen chloride, 45. __I--piperazine, 35. Hydrindone, formation of hydrocarbon truxene from, 207. Hydrindonoxime, conversion into hjdro-carbostyril of, 240. Hydrocarbons, constitution of coloured, 206. ---compounds of nitro-coiii-pounds with, 24". ---from dipentene hjdro- chloride, 5. Hydrocarbostyril from hydrindonoxime, 240. Hydrolysis of nitro-derivatives of aceto-and valeronaphthalide, 8. --of oil by white lead, sup- posed, 122. Hydrogen chloride, hydrates of, 45. --__-interaction of pot as-sium chlorate and, 211., magnetic rotationFormonaphthalide, nitration of, 8. Freezing points of alloys, 216, 247, 256. of indifferent solvents, 244. Hyponitrites, 210. Galileo celebration in Padua, 84. Indoles, preparatim from benzoin, kc., Gases, combination of dry, 165. of diplienjl, 216. ---electric discharge in, 143. Indoxagen derivatires, 212. --in water, estimation of, 244. Iodate, conversion by oxidation of silver Glass, chlorine as influencing adhesion iodide into, 181. of mercury to, 40. Iodine, quantitative separation of chlo-Glucina, preparation of, from beryl, 2. rine and bromine from, 181. --separation of last traces of iron Iodoform, colour of, 62. from, 3. Iron, removal from glucina of last traces Glyceric acid, butplic, heptj lic, aild of, 2.octylic salts of, 234. Isaconitine (napelline), properties of, 31. XXIV Tsc~but,pric aldoxime, 77. Isoiiierism of para.ffinic aldoximes, 76. Isomorphous series, crystallographic re- lations in, 27. Jute fibre produced in England, compo- sition of, 165. Kamala, constituents of the Indian dye-stutf, 181. Ketone from dimetliylpimelic acid, 68. Ketonic derivatives, melting points of paraftinoid, 40. Kopp, Hermann, death of, andmemorial lecture, 46, 83. Lactic acid, resolution into its opt,ically active constituents, 180, 199. ferment, a I~~vo-,203. ~~apacholazines, 241. -broniQ-,246. sypthesis of, 259. Lapaclione, dibromo-B-, 14. Lead hnloids, interaction of alkali metal haloids, 69. supposed hydrolysis of oil by white, 122.Leaves, chemistry and phjsiology of foliage, 99. Lecture, Kopp memorial, 46. Light as preventing putrefaction and forming H202,121. Lime, inertness to carbon and sulphur dioxides of, 114. ---chlorine, 200. Liquids, determication or" thermal ex-pansion of, 3. --molecular complexity of, 191. Longstaff, death of Dr., 83. Madder colouring matters. Rubiadin, 169. Magnesium diphenyl, 80, 111. Magnetic rotation of ethylene oxide, 52. ---of hydrogen and sodium chlorides and of chlorine, 241. Meeting room, alteration of, 84. Melting points of nitrous oxide, 76. Methylene iodide, high refractive power of, 62. Melting points, regularities in and rela- tions between, 40, 41. Mcrcury, action of chlorine on and adhesion to glass of, 38.Metals, action of acids on, 148, 188. McraxFlenecarboxylic acid, formation from camplioric acid of liydroxy-, 110. Metazo-compounds, 126. Mineral, stibiotantalite, a new, 184. Moisture, influcnce of? in promoting chemical change, 129. Molecular conip1exit)y of liquids, 191. rotat ory power, the true measure of, 236. volumes of ethereal salts of acetic serics, 201. Myristone, preparation and propertiesof, 40. Napelline (isaconitine), 31. R'aplitlI alenedisulplionic acids, ortho-, para-, and pcri-, 166. Naphthalenc, a-phcnyl, 201. Naplitlialide, nitration of formo-, 8. ---behariour of various deri- vtitives of, on hydrolysis, 10. Naplithylaniine, metaphenolazo-a-, 126. I_-peri-, nitro-, and bromo-, 199.-~preparation of dinitro-a-,from its acetyl and valeryl deriva- tives, 7. N~phthnquinone, condensation of alde- hydes with P-liydroxy-a-, 258. Nickel cnrbonyl, refractire power of, 58. Nitrates, interaction of acid chlorides and, 255. Nitric acid, action of metals on, 114, 148. --_ peroxide, action on olefines of, 34. Nitriles, synthesis of oxazoles from benzoin and, 34. Nitro-compounds, compounds of hydro-carbons with, . Nitrogen compounds, stereoisoiiierisni of, 173. Nitrosyl chloride, action on olefines of, 34. Nitrous oxide, boiling and iiielting points of,76. ~--structure of, 59. Oils, supposed hydrolysis of, by white lead, 122. Oldenlandia zirizhdlata, antliraceuc derivatives in, 201.Olefines, action of nitrosyl chloride and nitric peroxide on, 34. Optical prcperties as indicative of Btructure, 57. --ralues of different forms of' carbon, 61. Orthazo-compounds, reduction of ace-tates of, 161. Oxanilide, hexnnitr-, 180. Oxazoles, synthesis of, from benzoin and nitriles, 34. Oxidation of tartaric acid in presence of iron, 213. -~-paratoluidine, 237. -products of turpentinp, 187. Oxides of elements periodicallj related, 247. Ozone, studies on formation of, 141. Paraffins and paraffin derivativrs, tlier- inal expansion and specific volume of, 4. Pamtoluidine, oxidztion of, 237. Pasteur, address to, on 70th birthday, 1. Pentamet,lr?-lene bromide, preparation of, 857. ---cnrboxylic acid, sjn-thesis of, 257.Periodic diagrams of elements and oxides, new, 70, 247. Peroxide, formation under influence of light of hjdrogen, 121. ---nse in analysis of Eoclium, 184. Phcnacyl bromide and benzylamine, 214. Phcnazine derivatives, 2’16. Pbeno1phtlidein, di-and te ti-a- ni tro-, 144. Phenoqninone, constitution of, 57. Phenyll~~dr~~ziiies,chlorinated, 112. a-Plienyliia~~htlialene,201. Ptienylpropionic acid, 207. Plilogistic flieory, discussion by Presi- dent of, 85. Phosplionic acids froin camphene, 164. . Phosphoric anhydride, action of, on fatty acids, 40. ----_ purification of, by distillation over platinuin sponge, 30. Phthleins, their quinonoid structure, 52. Pixzinc: derivatives, 185, 186, 214.Picric compound of turpentine, 240. Pmic!ic acid, a CJ clod ketone from diLuethj1, 68. Piperazine, properties and hydrates of, 35. Plant-metabolism, 99. Platinous chloride, preparation of, 38. President’s ruling as to readiiig certifi- cates, 117. Pure substances, interaction of, 145. Putrefactive change, influence of light in pmventing, 121. Pyridine derivatives from unsaturated acids, 112. Prizes, circular relating to Hodgliics Pund, 194. Quinhydrones, constit,ution of, 57. --containing halogens, 203. Quinine, fluorescence of, 63. Quinoline derivatives, appearance of colour int 63. Quinone derivatives, conversion of pdra, into ortho, 13, 258. -_ interaction of metanitraniline, S-c., and, 215. Quinonoid compounds, limitation of coloar to truly, 55.derivatives of citrazinic acid, li7. Radicles, distribution in waters of acidic and alkalinic, 79. Refractiw power of diazo plieniinidc, 60. ethylene oxiclc, 52. metallic cay-bonyls, explanation of excessive, 63. Reinsch’s process, improvenients in, 119. Resesrch Fond, donation to, 192. Rooms, redecoration of and introduction of electric light into the SocietJ-’s, 84. Rotatory power of derivatives of gly- ceric acid, 11. Rothamsted memorial, 51, 193. Kubiaclinglucoside and rubiadin from madder, 169. Ru6ia sikkimensis, colouring matters in, 200. Rubidium double sulphates, crystallo- graphic characters of, 27. Salicylonitril, nitro-derivatives of, 213. Salts of glyceric acid, specific rotatory powers of, 11, 67.Sarcolactic acid, preparation from in-actirn lactic acid by fermentation of, 180. Sulieclc memorial ill Stockholm, 84. Sesquiterpene from hops, 177. Solutions of non-electrolytes, properties of strong, 174. Specific rolnmes. Dalton’s work on, 49. .--___ of certain paraffins acd paraffin derivatives, 4. Starch, determination of, in leaves, 100. Stas, J. S., death of, 83. Stereoisoinerism of nitrogen compounds, 173. Stibiotantalite, 184. Structure as indicated by optical pro-perties, 57. Subject index, preparation of, 83. SSVI Sugars in leaves, nature of changes undergone by, 102. Sulphstes and carbonates in water, interaction of, 79. Sulphates, crystallographic charactere of isomorphous, 27.Sulphides and polpulphides of ammo-nium, 178. S ulph ocampli ylic acid, 109. Sulphouic acids of naphthalene, di-, 166. -.--chlorides of camphor, de-composition by heat of, 130. L_--derivatives of camphor, 5. Sulphuric arid, electrolysis of, and action on metals of, 190. 'I'aytaric acid, oxidation in presence of iron salts, 113. Temperature, influence on optical acti- rit8yof, 237. Terpenjlic acid, constitution of, 187. Thallium alloys, freezing points of, 247. Tliernial expansion of liquids, deterniin- ation of, 3,4. Thiocarbonat,es of cellulose, 108. Thiohgdontoic acid, 115. Thionjl bromide, preparation of, 10. Thiourea, interaction of derivatives of fatty acids containing halogens and, 115.--desulphuri sa tion of various substitction derivatives of, 10. Thiourea, an isomcride of benzplphenyl benzpl-, '70. Thioureas, various, 11. Tin and nitric acid, interaction of, 114. Toluic acid, non-production on oxiclising citrenes of, Trimethylene, structure of, 59. Truxene, formation from phenylpro-pionic acid, 207. Turpentine, oxidation products of, 187. Ui-ea, isonieride of benzylphenylbenzyl,70. Urine, action of benzoic chloride in presence of alkali on, 238. Talctic acid, pi-epamtion of active, 193. Valeronaphthalide, 8. Vupour pressures of ethereal salts of fatty acids, 201. Volatilisation of gold, 75. Volumes, determination of specific, paraffin and derivatives thereof, 4. Water, analysis of Askern mineral, 78. apparatus for extracting and estimating gascs iu, 244. from Zrm Zem well, 245. composition of mineral, 79. Wollast.on, portrait of. 83. Women, admission as Fellows of, 84. Xanthates, praparation of sulphoiiic acids from, 166. I___-XAEILISON AND SONEI,PXINTEHS IN ORDINARY TO JIXS MAJESTY, ST.MARTIN'S LAHE.