PROCEEDINGS OF THE CHENICAL SOCIETY. Vol. VI. NOS.76-90. JANUARY-DECEMBER, 1890. EDITED BY THE SECRETARIES. LONDON: GURNEY & JACKSON, 1, PATERNOSTER ROW. 1891. LOKDOK : HAREISOX AXD SONS, PBINTERS IN ORDINARY TO EER MAJESTY, ST.MARTIN’S LANS. DATES OF ISSUE OF THE MONTHLY NUMBERS OF THE JOURNAL OF THE CHEMICAL SOCIETY TO FELLO\VS. January number was issued.. ............9th January. February ,, .......................4th February. March ,, ..................... .19th March. April ...................... -12th April.)) May ,, ...................... .i2th May. June ,, ...................... 13th June. July ), ......................9th July. August ,, ....................... .9th August. September ,) ........................c;th September. October .......................llth October.), November ), ....................... .8th November. December ,, ....................... .19th December. Index ,, ....................... .January. 1XST OF GRANTS MADE FROM THE RESEARCH FUND DURING THE YEAR. $15 to Dr. F. S. Kipping for the synthesis of heptamethylene derivatives. $2.7 to Messrs. Cross and Bevan €or the further prosecution of their experiments on the nature of cellulose. $10 to Mr. E. A.Werner for the study of thiocarbamide derivatives. $10 to Messrs. Linder arid Picton for the continuation of their experiments on hydrosulphides. v VI Name. Gibbes. Cuthbert C................... Goodwin. Thomas 8.................. Gordon.Colin ....................... Bossling. Frank.................... Grant. James ........................ Green. Alfred H...................... Hambly. Frederick. J................. Hartog. P.J......................... Hnslam. Arthur R.................... Hleller. William M.................... Heymood. Joseph H.................. Holburn. Andrew C ................... Hutchinson. Arthur .................. Jackson. John C..................... Jackson. John R...................... Jenkins, Wallis .................... Jones. John A ........................ Kirk. Oliver ........................ Law. Robert ......................... Laycock. William E. ................... Lea. Arthur S........................ Lescher.Herman .................... Lumsden. John S..................... 1.unt. Joseph ........................ MacArthur. John S................... Macintyre. Alfred E................ Mac keay .Wiliiam.................... Mactaggart. James G................. Marshall. Hogh ...................... Marshall. Thornas R.................. Mason. Francis H..................... McConnell. Arthur II ................ McCubbin. William A................. McKillop. John ..................... Mills. Frederick ..................... Moore. Ira ....................... Mosenthal. Henry de ................ Muller. George ..................... Murray. Thomas S................... Myers. Harry C.....................Myles. John ....................... Neville. E.H....................... Newman. William Y .................. Oddy. Robert W..................... Orrnandy. William K ................. Parkes. Thomas ...................... Perman. Edgar P..................... Picton. Harold ...................... 1%tts .Thomas ....................... Proposed. 3ecernber 5th. 1889 .. Vovember 6th ....... rune 5th .......... February 6th ....... 3ecember 5th. 1889 .. Yovember 6th ...... Karch 20th ......... Yovember 21st. 1889 . Slay 15th .......... Yovember 6th ....... December 5th. 1889 .. March 6th .......... December 19th. 1889 . February 6th ....... November 6th ...... May 1st ........... A?d 3rd ........................ November 21st. 1889 . February 20th ...... ........... March 6th ......... Jstiiuury 16th ....... JSovember 6th ...... March 20th ......... February 6th ....... November 6th ...... December 5th. 1889 .. November 21st. 1889 June 19th ......... November 21st. 1889 1)eceuiber 19th. 1889 June 19th ......... May 1st ............ January 16th ...... February 6th ...... March 6th......... February 20th ..... November 6th ...... .......... February 6th ...... February 20th ..... Uecember 19th. 1889 .4pril3rd ......... November 6th ..... June 5t. h ......... November 21st. 1889 March 20th ....... Novembe: 6th ..... Elected . Tebruary 6th. leceniber 4th . Vovember 20th .&rch 6th. i’ebruary 6th . 3ecember 4t.h . Qpril17th. iebruary 6th . Xovember 20th . December 4t11 . February 6th . Ppril 17th . February 6th . March 6t’t . December 4th . Yoveinher 20th . Slay 15th. .. 93 February 6th . tLprill7th. ........ March 6th . December 4th . April 17th . harch 6th. December 4th . Febvuary 6th . 7, Y9 November 20th. Febrnary 6tl1. .. .. November 20th. 97 .. March 6111 . Ai;il 17& . 9) 79 December 4th. Mar:h 6th. ” April 17th . February 6th . May 15th . December 4t.h . Rovember 20th . Fcbruary 6th. April 17th . December 4th. VII Pond. James A....................... Redding. Richard J................... Robertson. G.H.....................Rothnell. Rotert R................... Russell. Edward ..................... Sainter. Ernest H.................... Sayers. William C.................... Scott. Ernest G ...................... Seaton. Edward C.................... Sergeant. Edward .................... Shaw. Saville ........................ Shuttlewood. Willis I3 ................. dibun. James ........................ Smith. Alexander ..................... Smith. Frederick ..................... Smith. Harry W..................... Smith. Henry H ...................... Sprayne. Charles T................... Steel. Thomas ....................... Stokes. John ........................ Stone. Frederick R . 34................ Sudborough.John J.................. Tate. Francis H...................... Tate. William ....................... Thornley. John B.................... Valentin. Basil W.................... Wade. John ......................... Wadsworth. George H................ Walker. James ...................... Walker. James S. H.................. Wells. Sydney R..................... Wilson. James M..................... Wood. Sidney ....................... Young. George ...................... Proposed. November 6th ...... May 15th .......... November 6th ...... January 16th ....... November 21st. 1889 . November 6th ...... December 19th) 1889 . Februarr 20th ...... June 5th ........... Jsnuary 16th ....... December 19th) 1889 .February 20th ...... December 5th) 1889 . March 20th ......... May 15th .......... December 5th) 1889 .. November 21st. 1889 . November 6th ...... ........ Deceiber 5th. 1889 . February 20th ...... November 6th ...... .......... April 17th ......... May 1st ........... January 16th ....... November 2lst. 1889 . November 6th ...... December 5th. 1889. March 6th ......... December 5th) 1889 . June 5th ........... November 6th ...... .......... Elected. December 4th. November 20th . December 4th. March 6th . February 6th. December 4th. FebruarS 6th. April 1’7th . November 20th . March 6th . February 6th. April 17th . 2, ...... November 20th . February 6th. 99 .. December 4th..... February 6th. April 17th . December 4th. May))15th. ” November 20th . March 6th . February 6th. Decewber 4th. February 6th. April 17th . February 6th. November 20th . December 4th. VIII TITLES OF PAPERS COMMUNICATED TO THE SOCIETY DURING 1890. Junuary 16th. 1.A new method of estimating the oxygen dissolved iu water. By J. C. Thresh, D.Sc., M,B.. ............ 2. Note on a milk of abnormal quality. By F. J. Llojd..3. The sulphates of antimony. Bp R. H. Adie, B.A. .... February 6th. 4. Observations on nitrous anhydride and nitrogen per- oxide. By Professor Ramsay, Ph.D., F.R.S.. ...... 5. Note on the law of the freezing points of solutions. By5. U. Pickering ................................ 6.The action of chromium oxychloride on nitrobenzene. By Q. G. Henderson, B.Sc., M.A., and J. M. Camp-bell, B.Sc.. .................................... 7. Studies on the constitution of the tri-derivatives of naphthalene. No. 1. The constitution of bet.a-naphthol- and betanaphthyl-rtminedisulphonicacids R and G. Naphthalenemetadisulphonic acid. ByHenry E. Armstrong and W. P. Wynne .......... 8. Studies on the constitution of the tri-derivatives of naphthalene. No. 2. a-Amido-l : 3'-naphthalene-disulphonic acid. By Henry E. Armstrong and W. P. Wynne ................................. 9. Studies on the constitution of the tri-derivatives of naphthalene. No. 3. Alphanaphthylaminedisulph-onic acid Dahl Xo. 111.The constitution of naph-thol-yellow S. By Henry E. Armstrong and W. P. Wynne ................................. February 20'th. 10.The behaviour of the more stable oxides at high tem- peratures. By (3. H. Bailey, D.Sc., Ph.D., and W. B. Hopkins ................................ 11. The influence of different oxides on the decompositionof potassium chlorate. By GI. J. Fowler, M.Sc., nnd J. Grant .................................. 12. The interaction of hypochlorites and ammonium salts. Ammonium hypochlorite. By C. F. Cross and E. J. Bevan. .................................. Page Page in Pro- in Trans-ceedings. actions. --I 1 185 3 201 5 54Q 7 590 9 -10 253 11 -15 -16 -19 269 20 272 22 IX ~ Pagein Pro-ceedings.13. The action of phosphoric anhydride on stearic acid. By F. Stanley Kipping, Ph.D., D.Sc., Heriot Watt College ....................................... 24 14. Semithiocarbszides. By Augustus E. Dixon, M.D.. ... 25 15. Note on the production of ozone by flames. By J. Tudor Cundall, B.Sc., University College, Cardiff. .. 26 March 6th. 16. Some crystalline substances obtained from the fruits of various species of Citrus. By William A. Tilden, D.Sc., F.R.S., and Charles R. Beck. .............. 30 17. Reduction of a-diketones. By Francis R. Japp, F.R.S., and Felix Klingemann, Ph.D.. ................... 31 18. Studies on isomeric change, No. IV. Halogen-deriva-tives of quinone (first notice).By Arthur R. Ling. 32 19. Note on a phenylic salt of phenylthiocarbamic acid. By Augustus E. Dixon, M.D. .................... 33 20. Contributions to the chemistry of thiocarbamides. Interaction of benzyl chloride and of ally1 bromide with thiocarbamide, phenyl- and diphenylthiocarb- amides. By Emil A. Werner.. ................. 33 March 20th. The evidence afforded by petrographical research of the occurrence of chemical change under great pressure. By Professor J. W. Judd, F.R.S., F.G.S., &c. (a lec-ture) ......................................... 35 21. The formation of triazine-derivatives. By R. Meldola, F.R.S......................................... 37 22. Contributions to the knowledge of muck acid. Part I.Hydromuconic acid. By S. Ruhemann, Ph.D., M.A., and F. F. Blackman, B.Sa.. ................ 38 23. The inolecular weights of metals when in solution. ByC. T. Heycock, M.A., and F. H. Neville, M.A. ..... 38 March 27th. Annual General Meeting : President’s Address .......... 41 First Anniversary Dinner ............................. 46 April 3rd. 24. Note on the hydrosulphides. By 5. E. Linder and Harold Picton ................................. 49 25. Researches on the germination of some of the Gramineze. Part I. By Horace T. Brown, F.R.S., and G. Harris Morris, Ph.D.. .................... 52 26. The formation of indene-derivatives from dibromalpha- naphthol. By R. Meldola, F.R.S., and F. Hughes.. 57 Pagein Trans-actions.532 257 -323 --268 283 404 328 370 374.3 42G --458 393 X 27. The action of chlorliydric acid on manganese dioxide. Manganese tetrachloride. By H. M. Vernon.. ..... April 17th. 28. Phosphorous oxide. Part I. By T. E. Thorpe, F.R.S., and A. E. Tutton.. ............................. 29. The action of chlorine on water in the light, and on the action of light on certain chloriue acids. By Pro-fessor A. Pedler.. .............................. 30. Note on the explosion of hydrogen sdphide and of carbon bidphide with air and oxggeu. By Pro-fessor A. l’edler.. .............................. 31. The action of light on phosphorus, and on some of the properties ot “amorphous ” phosphorus. By Pro-fessor A.Pedler ............................... 32. The action of phosphoric anhydride on fatty acids. By I?. S. Kipping, Ph.D., D.Sc.................... May 1st. 33. An investigation of the conditions under which hydro-gen peroxide is formed from ether. By Professor Wyndham R.l)unstan and T. S. Dymond.. ....... 34.p-Desylphenol. By Francis R. Japp, F.R.S., and 0.H. Wadswoyth, Associate of the Normal School of Science. .................................... 35. On Benedikt’s acetyl values. By J. Lewkowitsch, PhJ. ........................................ May 15th. 36. Diethylphosphorous acid. By T. E. Thorpe, B.R..S., and Sarker North, Associate of the Normal School of Science. .................................... 37. The homonucleal ti-ichloronaphthalenes.By Henry E. Arrnstrong and W. P. Wynne. ................ 38. The ten isomeric dich1oroii;LphLhalenes and the sulphonic acids and trichloronaphthalenes derived therefrom. By Henry E. Armstrong and W. P. Wjnne ....................................... 39. The chlorides of napht,haleoe and its derivatives, and the manner in which they are decomposed by alkalis. By Henry E. Armstrong and W. Y. Wynne ....... 4(1. Isomeric change in the naphthalene series. No. 6. The influence of position in deteriiiiriing the nature of the isomeric change in the case of the chluronuph- thilleiiesulphonic acids. By Henry E. Armstrong aid W. I?. Wynne ............................. Page in Pro- ceedings. 58 61 65 66 66 67 69 71 72 75 76 77 85 86 Page in Trans-actions.-545 613 625 599 532 574 965 -634 ---- XI 41. A third naphthaquinone. By R. Meldola, F.R.S., and F. Hughes .................................... 42. The relatire antiseptic powers of isomeric organic com- pounds. By Thos. Carnelley, D.Sc. sberdeen, and W. Frew, Dundee.. ............................ 43. Note on the preparation of ppocatechol. By W. H. Perkin. jun., PhD. ............................ 44. Benedikt’s acetjl values. (Second notice.) By J. Lewkowitsch, Ph.D.. ........................... June 5th. 45. The production of pure metallic copper in a crystalline condition. By C. C. Buncan, King’s College, London....................................... 46. The action of ethylic oxalate on camphor. By J. Bishop Tingle, Ph.D. ........................... 47. The oxidation of turpentine in sunlight. By Henry E. Armstrong .................................... 48. The structure of cycloid hydrocarbons. By Henry E. Ariustrong .................................... 49. Tertiary butyl mercaptan. By Leonard Dobbin, Ph.D., Ciiemicd Laboratory of the University of Edin-burgh ........................................ 50. Desylacetophenone. By Alex. Smith, B.Sc., Ph.D., Chemical Laboratory of the University of Edin-burgh ........................................ June 19th,. 51. Tnvertase: a contribution to the history of an enzyme or unorganised ferment.By C. O’Sullivan, F.R.S., and Fred. W. Tompson.. ....................... 52. The action of carbon monoxide on nickel. By Ludwig Mond, C. Langer, Ph.D., and F. Quincke, Ph.D. ... 53. The interaction of iodine, water and potassium chlorate. By Henry Bassett.. ............................ 54. The milk of the gamoose. By A. Pappel and H. D. Richmond, Khedival Laboratoyj, Cairo. ........... 55. The action of heat on the chlorides arid hydroxides of mixed quaternary ammonium compounds. By N. Collie, Yh.D., and 5. B. Schryver, B.Sc ........... 56. Action of phosphoric anhydride on fatty acids. By F. Stanley Kipping, Ph.1 J., D.Sc. ................... 57. aa‘-Dimethrl-aa‘-diacet,jlpentane. By F. Stanley Kip- ping, Ph.D., D.Sc., and J.E. Mackenzie, B.Sc. ... 58. Berberine. Part 11. By W. H. Perkin, jun., Ph.D., F.R.S.. ....................................... 59. Studies on the constitution of the tri-derivatives of naphthalene. No. 4. The constitution of a-naph-thylaminedisulphonic acid Dahl No. 11. Nuphtha-lene-1 :2’-disulphonic acid. By Henry E. Arm-strong and W. 1’. Wynna.. ..................... Page in Pro- ceedings. 88 90 90 91 95 99 99 101 105 105 107 112 113 114 115 115 116 117 125 Page in Trans-actions. 631 636 587 --652 --639 643 834 749 760 754 767 980 -991 - 60. Studies on the constitution of the tri-derivatives of naphthalene. No. 5.The constitution of the Schollkopf a-naphthylaminedisulphonic acid. ByHenry E. Armstrong and W. P. Wynne .......... 61. Studies on the constitution of the tri-derivatives of naphthalene. No. 6. The constitution of Cassella’s &naphtliylamine-6-disulphonicacid. By Henry E. Armstrong and W. P. Wynne.. ................. 62. Studies on the constitution of the tri-derivatives of naphthalene. No. 7. The disulphonic acids ob-tained by sulphonating the isomeric heteronucleal /3-naphthylaminesulphonic acids. (First notice.) By Henry E. Armstrong md W. P. Wynne.. ...... 63. Studies on the constitution of the tri-derivatives of naphthalene. No. 8. B-Chloronaphthalenedisulph-onic acids. (First notice.) By Henry E. Armstrong and W. P, Wynne ............................. 64.The comparative influence exercised by the radicles C1, OH and NH2 in naphthalene-derivatives on the formation of disulphonic acids. By Henry E. Armstrong and W. P. Wyttne.. .................. 65. Note on the action of potash on naphthalene-1 :3-disulphonic acid. By Henry E. Armstrong and W. I?. Wgnne.. .................................. 66. The action OP zinc on dilute sulphuric acid. By.F:Pullinger, B.A., B.Sc ,late Scholar of Corpus Christ1 College, Oxford ................................ 67. Acetyltrimetliylenecarboxylic acid. By T. RhymerMarshall, U.Sc.. and W. H. Perkin, jun., Ph.D., F.R.8......................................... Received and printed im the Tvansactions during the $recess. 68.Crystallographical relations of the derivatives of di-benzoylcilinamene.By Alfred E. Tutton, Demop- strator in Cheniistry at the Normal Scliool of Science, South Kensington. ............................. 69. Xote on a compound from benzoin and acettlne. ByFrancis R. Japp, F.R.S., and Julius Rttschen, P1i.D.. 70. Researches on normal and niixed diazoaxuidee. ByRaphael Meldola, F.R.S., and F. W. Streatfeild, F.1.U. ........................................ 71. Note on the action of nitric acid on dibrom-a-naphthol.By Raphael Meldola, F.R.S., and Frank Hughes.. .. 72. A new method for the estimation of nitrates and nitrites in water. By R. Orniandy and J. B. Cohen, Ph.D., Owens College, Manchester.. ....................73. A new mouobi-oruocamplior. By J. E. Marsh ........ 74.Contributions to the knowledge of mucic acid. Part 11. Action of phosphorus. pentachloride on mucic acid. By S. Ruhemann, Ph.D., MA, and W. J. Elliott, B.A. ......................................... Pagein Pro- ceedings. 126 127 128 131 133 136 136 137 .. .. .. .. .. .. .. Pagein Trans-actions. -----815 -714 783 PCIaD 808 81L 828 931 x111 75. Contributions to the knowledge of mucic acid. Part 111. Hydromuconic acid. By 5. Ruhemann, Ph.D., M.A. ..................................... 76. Note on the reduction of aromatic amides. By A. Hutchinson, B.A.,Scholar of Christ's College, Cam- bridge ........................................ 77.Some improved vacuum joints and taps. By W. A. Shenstone ..................................... '78. The production of camphor from turpentine. By J. E. Marlih, B.A.,and R. Stockdale, B.8............... 79. Paraxjlenesulphorlic acids. By Gerald T. Moody, D.Sc., Demonstrator in the Cheniical IJepartment,, City and Guilds of London Institute, Central Institution, and T. G. Nicholson.. .............................. 80. Action of phosphoric anhjdride on fatty acids. Par1 11. By F. Stanley Kipping, Ph.D., D.Sc. ......... 81. An investigation of the conditions under which hydro- gen peroxide is formed from ether. (Secoud notice.) By W. R. Dunstan and T. S. Dymond ............November 6th. 82. The magnetic rotation of saline solutions. By W. H. Perkin, Ph.D., F.R.S. .......................... 83. Note on normal and isopropylparrttoluidine. By E. Hori and H. F. Morley ......................... 84. The action of light on ether in presence of oxygen and water. By Arthur Richardson. .................. 85. Action of ammonia and methylamine on the oxylepidens. By Felix Klingemann, Ph.D., and W. F. Laycock,Ph.D. ........................................ 86. Condensation of acetone-phenanthraquinone. By GI.. H.Wadsworth.. ............................... 87. Contributions to the knowledge of mucic acid. Part IV. Action of phosphorus pentachloride on mucic acid. By 8. Ruhemann, Ph.D., M.A., and S.F. Dufton, B.A.,B.Sc.. ............................ 88. Halogens and the asymmetrical carbon atom. By F. H. Easterfield .................................... Novemher 20th. 89. A new method of determining the specific volumes of liquids, and of their saturated vepours. By SydneyYoung, D.Sc., Professor of Chemistry, Uniyersity Coll-ge, Bristol ................................ 90. The molecular condition of metals when alloyed with each other. By C. T.Heycock and F. H. Neville .. 91. The estimaiiol; of cane-sugar. By C. O'Sullivan, F.R.S., and Frederic W. Tompson.. ..................... Pagein Pro- ceedings. .. .. .. .. .. .. .. 141 145 146 149 151 151 151 157 158 160 Pagein Trans-actions.937 957 958 961 974 980 988 -33" 61* 144P 105" 26+ 71* 37* 656 46* SIV Pagein Pro- ceedings. Pagein Trens-actions. 92. The spectra of blue and yellow chlorophyll, with some observations on leaf-green. By W. N. Hartley,F.R.S. ........................................ 161 10P 93. Note on dibenzanilide. By J. B. Cohen, Ph.D.. ...... 162 67" Decemher 4th. 94. The action of heat on ethylic p-amidocrotonate. Piirt I. By J. Norman Collie, University College,London.. ..................................... 165 172" 95. The action of heat on nitrosyl chloride. By J. J. Sud-borouqh, B.Sc. (Lond.), and G. H. Miller. ........ 167 7-3")270" 96. The volumetric estimation of tellurium.Ey Dr. B. Brauner ...................................... 168 58" December 18th. 97. Note on the constitution of dehydraoetic acid. ByNorman Collie, Ph.D., F.R.S.E. .................. 169 179" 98. The theory of dissociation into ions, and its conse-quences. By S. U. Pickering.. ................. 171 -99. The fermentation of calcium glycerate by Baci1lu.s ethacdicus. By Percy F. Frankland, Ph.D., and William Frew ................................. 173 81* 100. An optically active glpceric acid. By Percy F. Frankland, Ph.D., and Willism Frew, University College, Dundee, St. Andrew University .......... 1'74 95" 101. The a-and &modifications of benzene hexachloride. Bv P. E. Matthews, Ph.D.. ......................175 165" 102. The molecular volumes of thp saturated vapours of benzene and of its haloid derivtttives. By SydneyYoung, D.Sc. .................................. 177 125" 109. Phenuvic acid. By A. Colefax, B.A., Ph.D. ........ 178 190" 104. The action of phosphoryl trichloride on phosphorus pentoxide. By B. N. Huntly, Associate of the Normal School of hience ....................... 178 202" * Papers printed in the Transactions for 1891 are distinguished by an asterisk after the page number. Where no reference is given to the Transactions, the paper has appeared only in the "Proceedings." XV INDEX TO AUTHORS’ NAMES. Adie, R. H., 5. Armstrong, H. E., 11, 15,16,76, 77, 85, 86,99,101, 125, 126, 127, 128, 131, 133, 136.Bailey, G. H., 19. Bassett, €I., 113. Beck, C.R.,30. Bevan, E. J.,22. Blackman, F. F., 38. Brauner, B., 168. Brown, H. T.,52. Campbell, J. M., 9. Carnellep, T.,90. Cohen, J. B., 139, 162. Colefax, A.. 178. Collie, J. N.,115,165,169. Cross, C. F.. 22. Cundall, J. T.,26. Dixon, A. F., 25, 33. Dobbin, L., 105. Du€ton, S. F.. 151. Duncan, C. E.,95. Dunstan, W. R., 69, 140. Dymond, T. S., 69, 140. Ertsterfield, F. H., 151. Elliott, W. J., 139. Fowler, G..J.,20. Frankland. P. F., 173,174. E’rew, W., 90,173, 1’74. Grant, J., 20. Hartley, W. N.,161. Henderson, GI. G.,10. Heycock, C. T., 38, 158. Hopkins W. B., 19. Eori, E., 145. Hughes, F., 57, 88, 139. Huntley, G. N.,178. Hutchinson, A., 139.Japp, F.. 31, 71, 139. Judd, J. W., 35. Kipping, F.S.,24, 67,115,116. Klingemann, F., 31, 149. Langer, C.,112. Laycock, W. F., 149. Lem-kowitsch, J.,72, 91. Linder, S. E., 49. Ling, A. R., 32. Lloyd, F. J., 3. Mackenzie. J. E., 116. Marsh, J. E., 139, 140. Marshall, T.R,., 137. Matthews, F. E., 175. Jlsldola, R., 37,57, 88,139. Miller, G. H.,167. Mond, L., 112. Moody, (3. T., 140. Morley, H. F., 145. Morris, G.H.,52. Neville, F. H., 38, 158. Nicholson, T.G., 140. North, B.,55. Ormandy, R., 139. O’Sullivtm, C., 107,160. Pappel, A., 114. Pedler, A., 65, 66. Perkin, W. H., 141. Perkin, W.H.,jnn., Yo, 11’7,137. Pickering, 8.U., 9, 171. Picton, H., 49. Pullinger, F., 136. Quincke, F., 112. Ramsay, W., 7.Raschen, J., 139. Riehardson, A., 146. Richmond, H.D., 114. Ruhernann, S., 38, 139, 151. Schryver, S. B., 115. Shenstone, W. A., 140. Smith, A., 105. Stockdale, R., 140. Streatfeild, F. W., 139. Sudborough, J. J., 167. Thorpe, T. E.,61,75. XVI Thresh, J. C., 1. Wadsworth, GI.. H., 71, 151. Tilden, W. A., 30. Werner, E. A., 33. Tingle, J. B.,99. Wynne, W. P., 11, 15, 16, 76, 77, 85, Tompson, F. W., 107, 160. I 86, 125, 126, 127, 128, 131,133, 136. 'I'utton, A. E., 61, 139. Young, S., 157, 177. Vernon, H. M., 58. XVII INDEX TO Armstrong, H. E., 24, 5G, 89, 104, 176. Brown, H. T., 57. Brunton, Dr. Laiider, 36. Colman, H. G., 1i6. Crompton, H., 104. Cross, C. F., 176. Dyer, Thiselton, 54.Dymond, T. S., 148. Dunstan, W. R., 24, 7@,147. Gladstone, J.H., 145. Green, Prof., 55. Green, A. H., 3, ‘ Groues, C. E., 9, 89, 148. Heron, J., 5, 7. Hodgkinson, W. R., 21. Japp, F. R., 103. Jor.es, Chapman, 3. DISCUSSIONS. Lloj-d, F. L., 5, Matthews, F. E., 176. McLeod, H., 21, 22. A~eldola,R., 89. Perkin, W. H., 148. Pickering, S. U., 8, 145, 145,172. Quinclie, P., 89. Rainsay, W., 9, 22, 23, 7’0,106,145,172. Richarclson, A., 70, 148. SteT-enson,T., 3. Thoinson, J. M., 5. Thoi-pe, T. E., 22. Wad, Prof. Marsl:all, 55. Warington, R., 3. Wood, C. H., 70. Wynne, W.P., 9. XVIII INDEX OF Acetone, a compound from benzoin and, 139. Acetone-phenanthraquinone, condensa-tion of, 151. Acetophenone, desyl-, q.v.Acids, action of phosphoric anhydride on fatty, 24, 67, 115. -anhydrides of higher fatty, 72, 91. Acetylpentane, ad-dimethy 1- ad- di-, 117. Acetyltrimethylenecarboxylicacid, 137. Acetyl values, Benedikt’s, 72, 91. Ally1 bromide, action of, on thiocarb-amide and on phenyl- and diphenyl- thiocarbamide, 33. drnides, reduction of, 139. Ammonia, action of, on the oxylepidens, 149. Ammonium compounds, decomposition of, by heat, 115. -hypochlorite, 22. AnhFdride, action on fatly acids of phosphoric, 24, 67, 115. -ohervations on nitrous, 7. Anhydrides of higher fatty acids, 72, 91. dnilide, note on dibenz-, 162. Anniversary dinner, first, 46. Antimony, sulphates of, 5. Asymmetrical carbon atom, halogens and the, 151.Bacillus ethaceticus, fermentation of calcium glycerate by, 173. Benedikt’s acetyl F-alues, 72, 91. Benzene and its haloid derivatives, molecular volumes of the saturated vapours of, 177. -hexachloride, a-and B-modifica-tions of, 175. .-theory, address to Professor Kekul6 on the 25th anniversary of his, 29. Benzoin and acetone, a compound from, 139. Benzyl chloride and thiocarbarnides, 33. Berberine, 117. Butyl niercapt.an, tertiary, 105. SUBJECTS. Camphor, a new monobromo-, 139. -the production of, from turpentine, 14.0. Cane sup, estimation of, 160. Carbon bisulphide, explosion of, with air and oxygen, 66. -monoxide, action of, on nickel, 112. Chemical change under great pressure, petrographicd evidence of, 35.Chlorate, interaction of iodine, water and potassium, 113. Chlorhydric acid, action of, on mangan- ese dioxide, 58. Chlorides of naphthalene, their decom- position by alkalis, 85. Clilorine, action of, on water in light, 65. -acids, action of light on, 65. Chlorophyll, spectra of blue and yellow, 161. Chromium oxychloride, a2tion of, 011 nitrobenzene, 10. Cifrw,some crystalline substances from the fruits of various species of, 30. Constitution of tri-derivatives of naph-thalene, 11, 15, 16, 125, 126,127, 128, 131. Copper, production of pure in a crystal- line condition, 95. Crotonates, action of heat on etliylic @-amido-,165. Crystallographic relations of the deriva- tives of dibenzoylcinnamene, 139.Cycloid hydrocarbons, structure of, 101. Dehydracetic mid, constitution of, 169. Desylncetophenone, 105. Desylphenol, p-.71. Diazoamides, mixed, 140. Diketones, reduction of a-,31. Dinner, first anniversary, 46. Dissociation into ions, theory of, and its consequences, 17’1. Enzyme, a contribution to the history of an, 107. XIX Estimation of cane sugar, 160. -o€ tellurium, 168. Ether, conditions under which hydrogen peroxide is formed from, 69. -action of light on, in presence of oxygen and water, 146. Explosion of SH2and CS, with air tLnd oxygen, 66. Fats, examination of, 72, 91. Fermentation of calcium glycerate by BaciZZus ethacetkm, 173. Flames, note on the production of ozone by, -26. Freezing points of solutions, note on the law of, 9.Fruits, crystalline substances from Citrus, 30. Barnoose, the milk of the, 114. Germination of Graminese, researches on the, 52. Glycerate, fermentation by B.ethaceticus of calcium, 173. Glyceric arid, an opticaily active, 174. Halogen derivatives of quinone, 32. Heat, the action of, on chlorides and hydroxides of mixed quaternary am- monium compounds, 115. --on nitrosyl chloride, 167. Hydrocarbons, structm*e of cpcloid, 101. Hydrogen Rulphide, explosion of, with air and oxygen, 66. Hydromuconic acid, la. Hydrosulphides, soluble, 49. Hypochlorites, the interaction of am-monium salts and ammonium hypo- chlorite, 22. Indene derivatives, formation of, from dibromalphmaphthol, 57.Influence, the comparative, exercised by the radicles C1, OH and NH, in naphthalene derivatives on the forma- tion of disulphonic acids, 133. Invertme, 107. Iodine, potassium chlorate and water, interaction of, 113. Ions, theory of dissociation into, and its consequences, 171. Isomeric change, studies on. Halogenderivatives of quinone, 32. --in the naphthalene series, 86. -organic compounds, relative anti- septic power of, 90. Joints and taps, improved, 140. KekulB, address to, on the 25th anni- versary of his benzene theory, 29. Lepidens, action of ammonia, on oxy-,149. Light, action of chlorine on water in, 65. --on chlorine acids, 65. --on ether, 146. --on phosphorus, 66. -oxidation of turpentine in sun-, 99. Magnetic rotation of saline solutions, 141.Manganese dioxide, action of chlor-hydric acid on, 58. -tetrachloride, 58. Mercaptan, tertiary butyl, 105. Metals, molecular condition of, when alloyed, 158. -molecular weights of, in solution, 38. Milk of abnormal quality, 3. -of the gamoose, 114. Molecular volumes of the saturated vapours of benzene and of its haloid derivatives, 17’1. Mucic acid, contributions to the know- ledge of, 38. Naphthaguinone, a third, 88. Naphthalene and its derivatives, action of alkalis on chlorides of, 85. Naphthdenedisulphonic acids, isomeric, 14,126. Naphthalene series, isomeric change in, 86. -formation from naphfhalenemeta- disulphonic acid of a trihydroxy-, 136. -studies on tri-derivatives of, 11, 15, 16, 125, 126, 127, 128, 131.Naphthalenes, the ten isomeric di-chloro-, and the sulphonic acids and trichloronaphtlialenes derived there- from, 77. & -t8he homonucleal trichloro-, 76. Naphthol, formation of indene deriva- tives from dibrom-a-, 57. Nickel, action of carbon monoxide on, 112.1 Nitrates and nitrites in water, estima- tion of, 139. Nitrobenzene, action of chromyl chlor- ide on, 10. Nitrogen peroxide, 8. Nitrosyl chloride, action of heat on, 67. Naphthylaminedisdplphonicacids, 11,15, 16, 125, 126, 128, 131. Optically active glyceric acid, 174. Oxygen dissolved in water, estimation of, 1. -and water, action of light on ether, in presence of, 146. Oxidation of turpentine in sunlight, 99.XX Oxides, behaviour of, at high tempera- tures, 19. -influence of, on the decomposition of potassium chlorate, 20. Oxylepidens, action of ammonia on, 149. Ozone, production of, by flames, 26. Pentane, derivatives of diacetyl, 116. Pentone derivatives, 138. Peroxide, conditions under which ether affords hydrogen, 69, 141. -of nitrogen, 8. Phenylthiocarbamic acid, phenylic salts of, 33. Petrographical research, evidence af-forded by, of occurrence of chemical change under great pressure, 35. Phenuvic acid, 178. Phosphorus, action of ligFt on, 66. -properties of amorphous, 66. Phosphoric anhydride, action of, on fatty acids, 24, 67, 115. -action of phosplioryl tricliloride on, 011, 1'7s. Phosphorous acid, diethy]-, 77.-oxide, 61. Pimelic acid, derivatives of, 117. Position, influence of, in determining isomeric change, 86. Pressure, evidence afforded by petro- graphical research of occurrence of chemical change under great, 35. Propylparatoluidine, normal and iso-, 145. Pyrocatechol, preparation of, 90. Quinone, halogen derivatives of, 32. -a third naphtha-, 88. Reduction of aromatic aniides, 140. -of a-diketones, 31. Rotation of saline solutions, magnetic, 141. Saline solutions, magnetic rotation of, 141. Saturated vapours of benzene, and of its haloid derivatives, molecular voluni e of, 177. --a new method of determin- ing the specific volumes of liquids and of their, 15'7. Semithiocarbazides, 25. Solutions, note on the law of the frerz- ing points of, 9.Specific volumes of liquids and of their saturated vapours, 15'7 qpectra of blue and yellow chlorophyll, 161. Stearic acid, action of phosphoric an-hydride on, 24. Structure of cycloid hydrocarbons, 101. Sugar, estimation of cane, 160. Sulphates of antimony, 5. Snlphide, explosion with air and oxygen of hydrogen, 66. Sulphonic acids, P-chloronaphthalene-di-, 131. ---from ten isomeric dichloro- naphthalenes, '77. --naphthylaminedi-, 11,15,16, 12,5, 126,128,131. .--action of sulyhuric acid on P-naphthylaminemono-, 128. --comparative influence exer-cised by the radicles C1, OH and NII, in naphthalene derivatives on the formation of di-, 133. --isomeric iiaphtlialenedi-, 14, 126.Sulphuric acid, action on zinc of dilute, 136. Sunlight, oxiclation of turpentine in, 99. Taps, improved racuuni joints and, 140. Tellurium, volumetric estimation of, 168. Temperatures, behaviour of more stable oxides at high, 19. Tertiary butyl mercaptan, 105. Thiocarbamide derivatives, 33. Toluidine, normal and isopropyl para-, 145. Triazine derivatives, 37. Trichloronaphthalenes, the hoinonucleal, 76. Turpentine, oxidation of,in sunlight, 99. -the production of camphor from 140. Trimethylene derivatives, 137. Vacuum jointa and taps, 140. Volumes,method of determining specific, of liquids and of their saturated Ta- pours, 157. Volumetric estimation of tellurium, 168. Wat,er, the action of chlorine on, in light, 65. -the estimation of nitrates a,nd nitrites in, 139. -the estimation of oxygen dissolved in, 1. Xylenesulplionic acid, para-, 139. Zinc, action of dilute sulphuric acid on, 136. BARILlSON AND SONS, PB.INTERS IN ORDINARY TO RER MAJESTY, ST.MAltTIN'S LANE.