PROCEEDINGS OF THE CHEMICAL SOCIETY. VO~.XIII. NOS.173-186. JANUARY-DECEMBER, 1897. EDIT ED BY THE SECRETARIES. LONDON: GURNEY & JACKSON, 1, PATERNOSTER ROW 1898. 1~lCIIARnCLAY AND SONS, LIMITED, LONDON AND BUNGAY. DL4TES OF ISSUE OF THE MOXTHLY NUMBERS OF THE JOURNAL OF THE CHEMICAL SOCIETY TO FELLOWS. January number was issued.....................22nd February. February ,, ................................. ..23rd March. March ,, ..................................8th April. April ,, ...................................27th April. MayJune ,, ,, ....................................13th May. ................................... .I4 th June. July ,, .19th July................................... August ,, ....................................5th August. September ,, ................................... 1st September. October ,, ................................... .12th October. November ,, ................................... .Sth November. December ,, .................................... 7th December. LIST OF GRANTS MADE FROM THE REEIEARCH FUND DURING THE YEAR. €10 to Dr. J. J. Sudborough for the continuance of his researches on substituted cinnamic acids, and the stilbene series. &lo to Dr. G. Young for the continuance of his researches on isomerism in the triazole series. 325 to Mr. H. B. Baker for apparatus and materials for a research on tellurium. X20 to Drs. J. J. Dobbie and Bfarsden for the purchase of corgda-line for further investigations .3.10 to Dr. F. D. Cliatbawayfor materials for the synthesis of ortho-diphenylbenzene, and for a research on the action of sodium on the three dichlorobenzenes. SlO to Prof. A. E. Dixon, M.D., for materials for an investigation of the action of thiocyanates on acid chlorides. 310 to Dr. J. Walker for t,he preparation of normal acids of the succinic series. 220 to Dr. J, J. Sudborougli for the continuation of researches on diortho-substituted benzoic acids, unsaturated compounds, esters, &c. &15 to Mr. W. J. Sell for a research on the chlorination of pyridine. 210 to Mr. H. A. Auden for the preparation of a closed chain pentacarbon derivative from the ethylic ester of an acetoisomnanthic acid. 2.10to Dr.F. E. Garrett for materials for an investigation of the pyridine bases of coal tsar. v LIST OF FELLOWS ELECTED DURING 1897. Xame . Proposed . Elected. Ackroyd. William ............................. Alexander. John Owen ....................... Aquino. Thomas Hannibal .................. Arbuckle. William ........................... Ashworth. John B ............................ Ball. John. Ph.D .............................. Ball. William .................................. Barclay. John. B.Sc. ......................... Barlow. Herbert W . L., M.A., M.B. ..... Barlow. William ............................. Barlow, Walter Harry ...................... Bastow. Frank ................................Beadle. Alec . Alfred .......................... Bhaduri. Jyoti Bhushan. &LA ........... Hoylan. Alfred Hunter ...................... Brierley. James ............................... Brothers. William Malam .................. Brown. P. Hewlett Burton.. 3I.A. ........ Brown. Gerald Noel .......................... Brown. James Herbert ..................... Burland. Richard Oxley. Y.P............... Cameron. Alexander McLean .............. Cameron. Ernest Stuart ..................... Cartmell. Alfred ............................... Chikashig6. Masumi. B.Sc .................. Cholerton. Alfred Foster .................... CLlrkson. Alexander .......................... Clutterbuck. Medwin C., B.Sc., Ph.D. .. Collingridge.Frank. B.Sc.................. Cranfield. William ............................ Creasey. Clarence Hamilton ............... Crofts. Janies Miirray. B.A. .............. Crowther. James. H.Sc. .................. Daniel]. John .................................. Davidge. Henry Norris ...................... Davis. William Alfred ....................... Deverell. Louis Charles ...................... Diamond. Williani. ........................... Dixon. Andrew James ...................... Dodgson. John Wallis. B .Sc.............. Duckham. Alexander ...................... Dufty. Lawrence .............................. Edwards. IYilliain Buckland ............... Fenby. Alaiic Vincent C., B.Sc. .......... Field. Charles Henry ........................ Gibbons.Joseph Lake ........................ Gilbody. Alesar.drr W., M.Sc., Ph.D. .. May 6th ............... February 4th ......... January 21st ........... ............... February 4th ........ June 3rd .............. November 4th ........ February 4th ........ February 18th ........ April 1st .............. May 20th .............. February 4th ........ June 3rd .............. December 17th. 1896 Illarch 18th ........... April 1st .............. May 6th .............. February lSth ........ April 29 th.............. December 3rd. 1896 . November 4th ........ .. .......... May 20th .............. December 17th. 1896 January 21st ........... ...............November 4 th ........ May 20th .............. November 4th ........ May 6th ................. January 21st ........... November 4th ........ January 21st ........... November 4th ........ March 18th .......... January 21st ......... February 18th ........ December 17th. 1896 Novel:: ber 4th ........ December 3rd. 1896 . April 1st .............. December 3rd. 1896. December 17th. 189 ti March 4th ............... 18th.............. December 3rd. 1896 . .. .. June 17th . March 4th. 7) ........ 97 December 2nd. hlar& 4th. ’’ May 6th . .... June 15th . March 4th. December 2nd. March 4th. May 6th. J;he ;?th . March 4th. June 17th . March 4th. December 2nd.Juni’l7th . ” March 4th. ...... 99 December 2nd. June 17th . Deceniber 2nd. Jnne 17th . March 4th. December 2nd. March 4th. December 2nd. May 6th . blxrch 4th. May 6th . March 4th. December 2nd. hlarch 4th. May 6th . March 4th. .... VI Name. Girtin. Thomas. B .A.......................... Gomess. A . Bilderbeck ....................... Gough. Harold Walter. B.A............... Goulding. Ernest ............................... Grundey. Frederick Roscoe. B.Sc. ........ Guest. Edward Graham. M.A.............. Proposed. Riarch 18th ............. May 6th ................ December 3rd, 1896.- January 21st .......... May 6th ................ Elected . May 6th. Jnne 17th . March 4th.Juze 1;t)h . March 4th. December 2nd. May 6th. June 17th . December 2nd. Jnne 17th . December 2nd. March 4th. June 17th . May 6th . June 17th . March 4th. 9 > 79 19 XIay 6th 9) . hlarch 4th. December 2nd. March 4th. 9J .......... December 2nd. March 4th. .... May 6th . March 4th. December 211d. May 6th . June 17th . December 2nd. May)kth. ” December 2nd. March 4th. December 2nd. .. YY December 2nd. May 6th. March 4th. May 6th . February 4th ......... Gnttman. Oscar ...............................June 17 th ............... Guyer. R. Glode ............................. Halliwell. Edward ............................. Hamilton. Robert ............................. Harbord.Frank William ..................... Harger. John. B.Sc., P.D. .................. Harley. Vaughan. M.D...................... Harmsn. Harold ................................ Harrie. Harold William ................. Harrington. B . J., Ph.D. ................... Hartley. Ernald G . Justinian. B.A........ Hartley. Thomas ............................... Heppenstall. Charles ....................... Hill. Sydney .................................... Holmes. John .................................. Horseman. James Walter ................... 1bbotson. Fred. B.Sc ......................... Innes. William Rose. R.Sc., Ph.D........ Jerdan. David Smiles. M.A., B.Sc. ..... Johnson. Harold ............................. Johnson.Otis C............................... Kelly. Charles ................................ King. Herbert.................................. Lang. William Robert. B .Sc............... Lasseter. ‘W. J. G., M.A. .................... March 4th .............. May 6th ............... November 4th ......... May 20th .............. November 4th ......... December 17th. 1896 . May 6th ................ April 1st ................ May 20th ............... December 3rd, 1896 . February 4th .......... January 21st .......... April 1st ............... February 4th ......... June 3rd ............... Deceinber 17th. 1896 November 19th. 189f December 17th. 1896 January 21st ........... February 4th ......... November 4th .........February 4th ......... January 21st ........... February 18th ......... November 19th, 1891 November 4th ........ March 18th .......... May 20th .............. November 4th ....... .. .......... April 1st ............... Jnne 3rd ............... December 3rd. 1896 . November 4th ......... ......... Mart% 18ti’ ........... April 1st ................ March 4th ............. November 4th ......... February 18th ......... Jannaiy 21st ........... April 1st .............. Lee. Theophilus Henry ....................... Lemmey. Tom. B.A. ......................... MacCulloch. Charles., ........................ Mackenzie. John Edwin. B .Sc., Ph.D. .. Maclaurin. James Scott. D.Sc............ Macmullan.Alan. B.A..................... Blallinson. Willie Lee ....................... Mansford. Charles Jodrell. B.A............ Martin. Charles Henry ...................... Masters. Edward .............................. Jlatthews. John A., M.A., M.Sc. ........ Mersoa. George Fowlie ....................... Miller. Edmund Howd. M.A. .Ph.D..... Mitchell. Tom ................................ Moon. \Philip George Gregory .............. Morgan. Frederick Filmer de .............. North. Barker ................................ Orton. Joseph Previte K.. B.A., Ph.D ... VII Name. Parker. Charles Henry ....................... Philip. James Charles. B.Sc., Ph.D. ..... Phillips. Harry E.W., B.A. .............. Pickard.Robert Howson. B.Sc............ Pollitt. Samuel. B.Sc. ...................... Pollock. William Robertson ................. Pullar. Herbert Spindler .................... Ralston. William. B.Sc. .................... Reid. Alexander Ferguson ................ Remington. John Stewart ................. Roberts. Ernest Henry ....................... Rosling. Edward ............................. Rutter. Alfred ................................ Scargill. Lionel Walter K., B.A........... Shen ton. James Porter ....................... Simpson. Edward Sydney. R.E............. Smith. Robert Francis Wood ............... Southerden. Frank ........................... Southern. Thomas. junr ..................... Stainer.William James. B.A............... Steel. Frederick William ..................... Stephens. Michael Edmund .................. Stevens. Henry Potter. B.A................ Stubbs. George ................................. Sumner. Leonard. B.Sc. .................... Taverner. William .............................. Proposed. February 4th ......... November 4th ........ February 18th ........ March 4th ............. February 4th ......... May 6th ............... January 21st .......... .............. November 4th ........ January 21st .......... November 4th ...... December 17th. 1396 January 21st .......... May 20th .............. ................. November 4th ........ ........... Novlmber 19th.189f June 3rd ................. December 3rd. 1896 .. November 4th ........ ........... Declkber 17th. 1896 . November 4th ......... January 21st ............ April 29th ............... December 17th. 1896 . Elected. March 4th . December 2nd. May 6th . garc6’4th . June 17th . March 4th . 97 .. December 2nd. March 4th . December 2nd. March 4th . .. 79 June 17th . 99 .. December 2nd. 9) .. Narch 4th . December 2nd. March 4th . December 2nd. MartGh 4th . ’’ December 2nd. March 4th . June 17th . March 4th .Thompson. Harry .............................. Tickle. Thomas .................................March 18th ........... May 6th . Tripp. Edward Howard. Ph.D. ............ November 4th .........December 2nd. Turnbull. Andrew. Ph .D................... March 4th . Turner. Basil William ........................ Turner. John Scriven ........................ Unwalla. Rustomji Navroji .................. Viccajee. Framjee Khurshedjee ............ Vinter. Percy John. M.A. .................. Waite. William Herbert. B.A................ Walford. Samuel Matthew .................. Walker. J. Wallace. M.A., Ph.D .......... Watts. Charles Thomas Foster ............ Welsh. John .................................... West. Charles Alfred ........................ While. Arthur James ........................ White. Paul Thomas ........................... Wilderman. Meyer. Ph.D. ................. Young. Francis Samuel.M.A............. January 21st ......... November 19th. 1896 November 4th .......... January 21st ........... November 4th ......... .. ........... February 18th ......... December 3rd. 1896 .. .. .. February 18 th ......... .. .......... April 1st ................. November 4th ......... April 1st ............... February 4th .......... June 3rd ................. De)cemb& 2nd . March 4th . December 2nd . May 6th . March 4th . Mi; 6th).’.... ril.ceI1-Iier 2nd . May 6tb . March 4th . December 2nd . VIII FELLOWS DECEASED. Name. Bowrey. J. J................ Child. G. W................ Gaskell. E. H................ Gibbins. B. H................ Hammersley.W .A. L.... Harris. S.J................ Jardine. Walter ............ Keyworth. G. A............. Lackersteen. BI. H....... Lees. Samuel ............... Lescher. Herman ............ Mitchell. Thomas ......... Newton. Howard ......... Rimmington. F. 11....... Etodger. J. W............... Roy. Taraprasanna ......... Saint. W.J................... Tomlinson. Charles ......... Wormlep. T. G............. Elected . December 16th. 1869 ............ January 16th. 1868 ............... January 20th. 1876 .............. May 7th. 1891 ..................... December 7th. 1882 ............ December 2nd. 1886 ........... February 18th. 1894 ............ April 15th. 1875 .................. February 3rd. 1859 ...............December 1st. 1887 ............ April 17th. 1890 .................. June 18th. 1891 ................. Deceniber 18th. 1879 ........... December 4th. 1873 ............ Deceinber.15th. 1892 ........... June 17th. 1880 .................. December 20th. 1883 ........... June 2nd. 1864 .................. November 19th. 1885 ............ Died . November 19th 1897 . November 18th. 1897. May 8th. 1897 . December 26th. 1897. May 27th. 1897 . May 27th. 1897 . December 7th. 1897 . April 17th. 1897. March -. 1897. September 9th. 1897 . July 27th. 1897 . June 17th. 1897 . May 30th. 1897 . Xay 11th. 1897 . February 12th. 1897 . January 3rd. 1897. TX TITLES OF PAPERS COMMUNICATED *roTHE SOCIETY DURING 1897.Pagein Pro- ceedings. Pagein Trans-actions. January 21st. 1. Observations 011 the properties of some highly purified substances. By W. A. Shenstoiie ........................ 2. The action of diastase on starch. By Arthur B. Lingand Julian L. Baker. .......................................... 2 3 471 508 3. The solution density and cupric-reducing power of dex-trose, lsvulose a.nd invert-sugar. By Horace T. Brown, F.R.S., G. Harris Morris, Ph.D., and J. H. Millar. ............................................................ 4 275- 4. Derivatives of iiiaclurin. Pait il. By A. G. Perkin. ... 5. Halogen-substituted acidic thiocarbimides and their derivatives ; a cuntribntion to the chemistry of thc thiohy dantoins. By Angustus Edward Dixoii, M.D....................................................... 5 6 186 617 6. The am yl (secondary Imtyl-methyl) derivatives of glyceric, diacetylglyceric, and dibenzoylglyceric acids, active and inactive. By Percy Frankland, Ph.D., B.Sc., F.R.S., and Thomas Slater Price, B.Sc. ........ 7. The refraction constants of crystallised salts. ByAlfred E. Tutton.. ............................................. 9 10 253 235 8. The refraction constants of crystalline salts : A correc-tion. By William Jackson Pope.. ........................ 9. On the wide dissemination of some of the rarer eleineiits 11 - and the mode of their association in coinnion ores and miuerals. By W. N. Hartley, F.R. S., and Hugh Ramage .......................................................... 11 533 February 4th.10. Observations upon the oxidation of nitrogen gas. By 11. On some apparatus for steairi distillation. By F. E. Matthews, 1’h.D.. ............................................. 12. Researches in the Stilbene Series. I. By John J. Sudborough, l’h. D... .......................................... 13. Diortho-substitnted benzoic acids. 111. Hydrolysis of substituted benzamides. By John J. Sndborough: 14. Conversion of camphoroxime into methy1camphorimine and camphenylnitramine. By M. 0. Forster, Ph.D. 15. Note on Wechsler’s method for the separation of fattyacids. Lord Rayleigh, F.R.S........................................ Ph.D., Percy G. Jackson, and Ilorenzo L. Lloyd.... By Arthur W. Crossley............................ 17 18 19 20 21 21 181 318 218 229 1P1 580 X 16.On the crystalline structure of gold and platinum nuggets and gold ingots. By A. Liversidge, LL.D., F.R.S. ............................................................ 17. On the presence of gold in natural saline deposits and marine plants. By A. Liversidge, LL.D., F.R.S. ... Rebmrq 18tk 18. The formation of dithionic acid in the oxidation of sulphurous acid by potassium permangannte. By T. S. Dymond and F. Hughes. ................................... 19. On the production of ppridine derivatives from ethylic-#-amidocrotonate. By J. Norman Collie, Ph. D., F.R.S. ........................................................... 20. Sodamide and some of its substitution derivatives.ByA. W. Titherley, M.Sc., Ph.D ............................. 21. Rubidamide. By A. W. Titherley, M.Sc., Ph.D ......... 22. On the spectrographic analysis of some commercial samples of metals, of chemical preparations, and of minerals from Stassfurt potash beds. By W.N. Hartley, F.R.S., and Hugh Ramege. .................... 23. Dissociation pressure of alkylammonium hydrosulphides. By James Walker, D.Sc., Ph.D., and John S. Lumsden, B. Sc., Ph. D. ...................................... 24. Supposed condensation of benzil with ethyl alcohol. A correction. By Francis Robert Japp, F.R.S ............ 25. The viscosity of mixtures of miscible liquids. By T. E. Thorpe, F.R.S., and J. W. Rodger........................ 26. Magnesium nitride as a reagent. By H.Lloyd Snape, D.Sc., Ph.D ..................................................... 27. The identity of Laurelit’s amarone with tetraphenglazine. By H. Lloyd Snape, D.Sc., Ph.D., and Arthur Brooke, Ph.D ................................................... 28. Studies on the interaction of highly purified gases in presence of catalytic agents. Part I. By Wm. French, M. A,................................................... 29. Contributions to the knowledge of the &ketonic acids. Part 111. Ey S. Ruheman, Ph.D., M.A.. ........... 30. Contributions to the knowledge of the #-ketonic acids. Part IV. By S. Ruheinan, Ph.D., M.A., and A. S. Hernmy, B.A., M.Sc .......................................... 31. Oxidation of phenylstyrenyloxy triazole. By George Young, Ph.D................................................... 32. Apiin and apigenin. (Preliminary notice.) By A, G. Perkin.. .......................................................... 33. Note on the constitution of the so-called “nitrogen iodide.” By J. W. Mallet, F.R. S........................ March 4th. 34. Some hydrocarbons from American petroleum. I. Normal and Iso-pentane. By Sydney Young, D.Sc., F.R.S., and G. L. Thomas, B.Sc ........................... Pagein Pro- ceedings. 22 22 42 43 45 46 46 48 48 49 50 51 52 52 53 53 53 55 58 Pagein Trans-actions. 1125 298 314 299 460 469 547 428 297 360 526 528 -323 329 311 --440 XI 35.The vapour pressures, specific volumes and critical con- stants of normal pentane ; with a note on the critical point. By Sydney Young, D. Sc., F, R.S.. .............. 36. On the freezing-point curves of alloys containing zinc. By C. T. Heycock, F.R.S., and F. H. Neville......... 37. The oxides of cobalt and the cobaltites. By Arthur H. XcConnell and Edgar S. Hanes ............................ 38. A new synthesis in the sugar group. By Henry J. Horstiiian Fenton, M.A.. .................................... 39. The dinitrosaniines of ethylene aniline, the ethylene toluidines, and their derivatives. By Francis E. Francis, Ph. D ,B.Sc .........................................40. Contribution to the knowledge of the @-ketonic acids. Part V. By S. Ruhemann, M.A., Ph.D., and A. S. Heniniy, B. A., AT. Sc.......................................... 41. Eiiantiomorphic forms of ethylpropylpiperidonium iodide. By Clare de Broretoii Evans ................................. 42. Further note on ketopinic acid-pinophanic acid. ByW. S. Gilles and F. F. Renwick ............................ 43. A synthesis of citric acid. By W. T. Lawrence, B.A., Ph.D. ............................................................. March 18th. 44. On the atomic weight of carbon. By Alexander Scott, M.A., D.Sc ..................................................... 45. On a new series of mixed sulphates of the vitriol group.By Alexander Scott, M.A., D.Sc. ..................... 46. A synthesis of caniphoronic acid. By William Henry Perkin, jun., F. R. S., and Jocelyn Field Thorpe, Ph. D. 4;. Kote on a method for determining melting points. ByErnest H. Cook, D.Sc. ....................................... 48. Velocity of urea formation in aqueous alcohol. By49. Action of alkyl haloids on aldoximes and ketoximes. ByJames Walker, D.Sc., and Sydney A. Kay, B.Sc. ... Wyndhnm R. Dunstan, F. R. S., and Ernest Goulding Pasteur JIemorial Lec,ture. By Professor P. Frankland, Ph.D., B.Sc., F.R.S ........................................ Dlnrch 31st. 50. The hydrolysis of perthiocynnic acid. By F. D. Chatt- 51. The coinposition of cooked fish.By Katherine I. 52. On the oxidation products of ay-dimethyl-a'-chloropyri-away, M.A., and H. P. Stevens, B.A. .................. WTilliams........................................................ dine. By Emily Aston, B.Sc., and J. Norman Collie, Ph.D., Pagein Pro- ceedings. Pagein Traus-actioiis. 58 446 60 383 62 584 63 375 63 422 64 334 64 522 64 - 65 457 70 550 71 564 72 1169 74 - 75 489 76 573 79 683 87 607 88 649 ...... ,...................................SF.R. 89 653 Aptril 29th. 53. On the explosion of chlorine peroxide with carbonic oxide. By H. R. Dixon, M.A., F.R.S., and E. J. Russell, B.Sc. ...................................................54. OIAthe decomposition of iron pyrites. By W. A. Caldecott, B. A. ............................................ 55. Monochlorodi areconic acid and sonie condensations. By Henry 8. Myers, Ph. D. ............................... 56. Coryclaline. Part V By Janies J. Dobbie, M.A., D.Sc., and Fred Marsden, M.Sc., Ph. D. ............... 57. A Bunsen burner for acetylene. By A. E. Nunby, M.A. 58. The reactions between lead and the oxides of sulphur. By Henry C. Jenkins and Ernest A. Smith............ 59. X Ray photngraphs of solid alloys. By C, T. Heycock, F.R.S., and F. H. Neville ............................... X(C~20th. 60. The theory of osmotic. pressure aud the hypothesis of electrolytic dissociation.By Holland Crompton.. .... 61. Molecular rotations of optically active salts. Ry Holland Crompton.. ....................................................... 62. Heats of neutralisation of acids and bases in tlilute aqueous solution. By Holland Croinpton.. ............. 63. A comparative crystallographical study of the normal selenates of potassium, rubidium, and cassium. ByA. E. Tntton. ................................................ 64. The p1atinuni-si:ver alloys ; their solubility in nitric acid. By John Spiller .................................... 65. Dalton’s law in solutions. The niolecular depression of mixtures of non-electrolytes. By hfcyer Wilder- man, Ph.D. .................................................... 66. The action of hromdiphenylme thane on ethyl sodaceto- acetate.By G. G. Henderson, D.Sc., &LA.,and 11. A. Parker, B.Sc. .................................................. Jme 3rd. 67. On the thermal phenomena attending the clinnge of rotatory power of freshly prepared solutions of certairi carbohydrates ; with some rcmarks on the cause of multirotation. By Horace T. Brown, F.R.S., and Spencer Pickering, F.R.S................................... 68. On the thermo-chemistry of carbohydrate-hydrolysis : (I) The hydrolysis of starch by vegetable and animal diastase. (11) The hyclrolysis of cane-sugar by inver- tase. By Horace T. Brown, F.R.S., and Spencer Pickering, F.R.S. ............................................. 69. Optical inversion of camphor.By Frederic Stanley Kipping, Ph.D., D.Sc., and William Jackson Pope.. . 70. Derivatives of caniphoric acid. Part 11. Opticallyinactive derivatives. By F. Stanley Kipping, Ph. D., D.Sc., and William Jackson Pope. ........................ Pagein Pro- ceedings. 99 100 100 101 103 104 105 109 111 111 115 118 119 119 129 130 132 133 Pagein Trans-actions. 605 -614 657-666 -925 946 951 846 -743 676 756 783 956 962 71. Racemism and pseudoracemism. By F. Stanley Kipping, Ph.D., D.Sc., and William Jackson Pope. ............ 72. Note on some iicw gold salts of the solanaceous alkaloids. By H. A. D. Jowett, D.Sc. ................................ 73.Production of canipheiiol from camphor. By J. K. Marsh, M.A., and J. A. Gardnrr, M.A. .................. 74. Preliminary note on the oxidation of fenchene. By J. A. Gardner and G. B. Cockburn ........................... 75. Apiin and apigenin. By A. G. Perkin ...................... 76. Rhamnazin. By A. G. Perkin and H. W. Martin ....... i7. Experimental verification of van’t Hoffs constant ill very dilute solutions. By Meyer Wilderinan, Ph. D. 78. The isomeric dibroincthylenes. By Thomas Gray, B. Sc. Jzcize 1itJi. 79. Molecular refracl ion of dissolved s:tlts and acids. P:wt 11. By J. H. Gladstone, D.Sc., F.B.S., and W. Hibbert ........................................................ 80. On a space formula for benzene.By J. Norman Collie, Ph.D., F.R.S. .............................................. 81. On the production of some nitro- and amido.oxylbico- lines. By A. Lapworth, D.Sc., and J. Norman Collic, Ph.D., F.R.S. .................................................. 82. Further experiments on the absorption of moisture bydeliquescent substances. By H. Wilson Hake, Ph. D. 83. The fusion point, boiling point, and specific gravity of nitrobenzene. By R. J. Friswell ........................ 84. The action of light on a solution of nitrobenzene iii concentrated sulphuric acid. By R. J. Friswell ...... 85. The reduction of perthiocyanic acid. By F. D. Chattaway, M.A., and H. P. Stevens, B.A ............ 86. The so-called hydrates of isopropyl alcohol. By T.E. Thorpe, LL.D., F.R.S. ....................................... 87. The carbohydrates of the cereal straws. By C. F. Crow, E. J. Bevan, and Claud Smith ........................... 38. Studies on the constitution of tri-derivatives ctf nalili-thalen.: No. 16. Conversion of chloronaphthalenr-disulphonic acids into dicbloronaphthalenesnlphonicacids. By Henry E. Armstrong and W.P. Wynne ... 89. Conversion of 1 :1’-into 1:4‘ -dichloronaphthalene byhydrogen chloride. The products of hydrolysis of 1:1’-dichloronaphthalene-3-snlphonicacid. ByHenry E. Armstrong and W. P. Wynne ............... 90. Note on the formation of diacetanilide. By Georp Young, Ph.D. ............................................. 91. Derivatives of phenetol azo-phenols. By J.‘I?. Hewitt,M.A., D.Sc., Ph.D., T. S. Moore, and A. E. Pitt ... 92. 6-Ketopinic acid and camphoic acid. By W.S. Gilles and F. F. Renmick .......................................... 93. Note on stereoisomeric di-derivatives of camphor, and on nitro-camphor. By T. M. Lowry, B. Sc. ............ Pagein Pro-:ecdings. 135 136 137 137 1.38 139 129 140 141 143 146 147 147 148 149 150 150 152 154 156 157 158 159 Pagein Trans-actions. 989 679 --805 813 796 1023 822 1013 838 -1010 -833 520 1001 ----- XIV 94. The interaction of ethylene dichloride and ethylic sodiomalonate.By Bevan Lean, D.Sc.: B.A., and Frederjc H. Lees ............................................. 95. Hexanaphthene and its derivatives. Preliminary note. By Emily C. Fortey, B.Sc. ................................. Papers received dicring vacation and published in Tmns- actions. 96. The ethers of caniphor oxime. By If. 0. Forster, Ph. D. 97. The action of nitrogen trioxide and tctroxide on alco- hols. Part I. By Julius Berend Cohen, Ph.D., and Harry Thornton Calvert, B. Sc. ........................... 98. The action of nitrogen tetroxide on ortho- and para- nitrobenzylalcohol. By Julius B. Cohen, Ph.D., and William H. Harrison, B.Sc. .............................. 99. The action of aromatic amines upon diacetyltartaric anhydride.By Julius Berend Cohen, Ph.D., and William Hudson Harrison, B. Sc. ........................ 100. Studies on citrazinic acid. Part V. By W. J. Sell, M.A., and F. W. Dootson, B.A. ........................ 101. The condensation of chloral with resorcinol. 11. ByJ. T. Hewitt, M.A., D.Sc., and Frank G. Pope ..... 102. On B-oxycellulose. By Benjamin Samuel Bull, M. A., B.Sc. ........................................................ 103. A new synthesis of phloroglucinol. By David S. Jerdan, B.Sc. ................................................... 104. Phenanthrone. By Francis R. Japp, F.R.S., and Alexander Findlay, M. A., B. Sc. ........................ 105. The yellow colouring principles of various tannin matters. IV. By A. G. Perkin .......................106. Ammonia and phenylhydrazine derivatives of up-di- benzoylcinnamene (anhydrwetophenonebenzil). ByFrancis R. Japp, F.R.S., and Alfred Tingle, B.Sc.. .. 107. Derivatives of cotoin and phloretin. By A. G. Perkin and H. W. Martin ........................................... 108. Azobenzene derivatives of phloroglucinol. By A. G. Perkin ....................................................... 109. The action of phosphorus pentachloride on fenchone. 110. Ketolactonic acid and its homolognes. By C. H. G. Sprankling, B.Sc. ............................................ November 4th. 111. On the properties of liquid fluorine. By Professors Moissan and Demar ......................................... 112. The liquefaction of air and the detection of impurities. By Professor Dewar ..........................................113. The abaorption of hydrogen by palladium at high tcm- 160 161 165 166 166 167 167 167 168 168 169 170 170 171 172 173 173 175 186 192 Trails-actions 1062 -1030 1050 1057 1060 1068 1054 1090 1106 1115 1131 1138 1149 1154 1156 1159 By J. Addyman Gardner, M.A ,and G. B. Cockburn, R.A. ............................................................ peratures and pressures. By Professor Dewar ........ Pagein Pro- ceedings. Page in --- XV -inPa@P: Pagein ceedin Trans-actions. 114. On some yellow vegetable colouring matters.By A. G Perkin .......................................................... 198 1194 115. Naphthylureas. By George Young, Ph.D., and ErneF Clark ........................................................... 199 1200 116. Benzoylphenylsemicarbazide. Preliminary notice. B George Young, Ph.D., and Henry Annable ........... 199 -117. Sulphocamphylic acid. By W. H. Perkin, jun ........ 200 -Nov(zmber 181h. 118. On the deconiposition of camplioric acid by fusion wit1 potash or soda. By Arthur W. Crossley and W. H Perkin, jtin. ..................................................... 217 1 Q 119. Experiments on the synthesis of camphoric acid. 1;;W. H. Bentley and W. H. Perkin, jun ................ 218 45" 120.Synthesis of an isomeride of camphoronic acid. B;S. B. Schryver, Ph.D. ...................................... 220 68" 121. The action of magnesinm on cupric sulphnte solution By Frank Clowes, D.Sc., and R. M. Caven, RSc. .. 221 -I 22. Properties and relationships of dihydroxytartaric acid I-*By Henry J. Horstman Fenton, M.A. ................. 224 123. The molecular association of liquids and its influe!icc on the osmotic pressure. By Holland Crompton ..... 225 -December 2nd. 124. The representation of the isomeric benzene hexa chlorides by Collie's space-formula. By Francii Edward Matthews, Ph.D. ................................... 232 125. Compounds of piperidine with phenols. By Oitc Rosenheim, Ph.D., and Philip Schidrowitz, Ph.D.... 234 139" December 15th. KekulB memorial lecture. By Professor Francis R. Japp, Ll,. D. ,F.R. S. ........................................ 235 97" December 16th. 126. Stereochemistry of unsaturated compounds. Part I. Esterification of substituted acrylic acids. By John J. Sudborough arid Lorenzo L. Lloyd.. ................... 240 81' 12i. Formation and hydrolysis of esters. By John J. Sud-borough, Ph.D., D.Sc., and Martin E. Feilmann, B.Sc ............................................................... 241 -128. A new method of determining freezing points in very -dilute solution. By Meyer Wilderman, Ph.D. ...... 245 129. A possible basis of generalisation of isomeric changes -in organic compounds. By Arthur Lapworth, D.Sc. 246 * Papers printed in the Transactions for 1898 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." XVI ADDITIONS TO THE LIBRARY DURING THE YEAR 1897. Allen, Matthew. Outlines of a Course of Lectures on Chemical Philosophy. Pp. x + 70. London 1829. Analyst, The. Vols. 8, 9, 10, 11,and 18. London 1883-87. Annals of Philosophy. New Series. Vol. I. London 1821 Arth, G. Recueil de Procbdds de Dosage pour l’analyse des com- bustibles des minerais de fer, des fontes, des aciers, et des fers. Pp. iii + 313. Paris 1897. Two copies. Bailey, G. H. First stage Inorganic Chemistry. Pp. viii+210. London 1897. Edited by W. Briggs, M.A. Bailey, G. H.The Tutorial Chemistry. Part I. Non-Metals. Edited by William Eriggs. Pp. viii + 226. London, 1897. Balcer, €3. T., and Smith, H. G. On the Presence of a True Manna on a ‘‘ Blue Grass,” Andyopogon annzclcctzcs, Forsk. (Read before the Royal Society of N.S. Wales.) Beauini., a Manual of Chemistry, translated from the French by John Aikin. Pp. vi + 400. London 1778. Bedford, the Duke of, and Pickering, 8. U. Report on the mork- ing and results of the Woburu Experimental Fruit Farm since its estab-lishment. First Report. Pp. iv + 194. London, 1897. Belirens, H. Anleitung zur Mikrochemischen Analyse. Pp. xi + 224 init 92 fignren im text. Svo. Leipsig 2895. Bell, P. Carter, and Wardle, Sir Thomas. On the Adulteration of Silk by Chemical Weighting. Pp.43. Read before the Society of Chemical Industry. April 1897. Bergman, Torberni. Sciagraphis Regni Mineralis Secundum Prin-cipia Proxima Digesti. Editio prima Italica. Py. 160. Florentiae 1783. Berthelot, M. Science et Morale. Pp. xii+518. Paris 1897. Berthollet, C. L., et A. B. Ekments de L’Art de la Teinture. Vol. I. pp. viii + 478. Vol. II.,pp. 357. Paris 1804. Brande, W. T. Manna1 of Chemistry. Pp. xlvii + 652. London 1819. Brande, W. T. Outlines o€ Geology; being the substance of a course of lectiires delivered in the theatre of the Royal Institution in the year 1S16. Yp. rii t 144. London 1817. Brauns, Reinhard. Chemische Mineralogie. Pp. xiii +460, mit 32 abbildungen im text. Leipzig 1896. British Association €or the Advancement of Science.Toronto Meeting, 189 7. Preliminary Programme, with Maps and Illustrations. Toronto 1896. Bulletin de la Socidte Internationale des Electriciens. Vols. I.--Yl. Paris 1884-1889. Cannizzaro, S. Scritti intorno alla Teoria Molecolare ed Atomica ed alla notazione chimica di : Pubblicati nel 70" Anniversario della sua nascita (13 Luglio 1896). Pp. 387, with portrait. Palermo 1896. Clarke, E. W. The Constants of Nature. Part V. A Recalculation of the Atomic Weights. New edition, revised and enlarged. Wash-ington 1897. 8vo. Pp. vi + 370. From Smithsonian Miscellaneous Collections, 38. (Number 1075.) Clowes, F., and Coleman, J. B. Quantitative Chemical Analysis. Fourth edition. Pp. xxiv + 583. London 1897.Cohen, J. B. The Air of Towns. Washington 1896. 8vo. Pp. 41, 21 plates of illustrations. From Smithsonian Miscellaneous Collec- tions, 39. (Number 1073.) Cohn, Georg. Tabellarische ubersicht der Pyrazolderivate. Pp. 443. Braunschweig 1897. Coleman, J. B., and Clowes, F. Quantitative Chemical Analysis Fourth edition. Pp. xxiv +583. London 1897. Cornish, Vaughan. Short Studies in Physical Science, Mineralogy, Chemistry and Physics. Pp. 230. London, 1896. Crookshank, E. M. A Text-book of Bacteriology, including the Etiology and Prevention of Infective Diseases. Fourth edition. Pp. xxx + 715. London 1896. Davy, Humphry. Outlines of a Course of Lectures on Chemical Philosophy. Pp. 54, and S,idIer, John. An Explanation of the Terms used in Chemistry.Pp. 22. London 1804. Davy, Sir Humphry. Six Discourses delivered before the Royal Society at their Anniversary Meetings on the award of the Royal and Copley Medals, preceded by an Address to the Society on the Progress arid Prospects of Science. Pp. xii + 148. London 1827. Dolbear, A. E. First ix +318. London 1897. Principles of Natural Philosophy. Pp. Duclaux, E. Pasteur : Histoire d'un esprit. Pp. vii + 400. Sceaux 1896. Duclaux, E. Atmospheric Actinometry and the Actinic Constitu- tion of the Atmosphere. Washington 1896. 4to. Pp. iii +48. From Smithsonian Contributions to Knowledge, 29. (Number 1034.) Dumas. Trait4 de Chimie appliquee aux Arts. Vols. I-V. Paris, 1828-35. Dundonald, Earl of. A Treatise showing the Intimate Connection b XVIII that subsists between Agriculture and Chemistry.Pp. vii + 252. Lmdon 1795. Engel, R., et Moitessier, J. Trait6 Elementaire de Chimie Biologique, Pathologique, et Clinique. Pp. vii + 615, avec 102 figures interealhes dans le texte et 2 planches colorikes. Paris 1897. Fink, E. Prbcis d’ Analyse Chimique, Premiere Partie, Analyse Qualitative. Pp. 190. Deuxihme Partie, Analyse Quantitative. Pp. 312. Paris 1896. Fletcher, Thomas. The Commercial Uses of Coal Gas. Pp. 104. London 1897. Foaden, G. P., and Mackenzie, W. C. Manures in Egypt and Soil Exhaustion. Cairo 1896. Focus of Philosophy, Science and Art. Vol. I., pp. 2. London, 1820-21. Fortschritte der Physik. 1845. B’ourcroy. elemens d’Histoire Naturelle et de Chimie.Vols. I-V. Paris, 1791. Fourcroy, A. F. &lkmens d’histoire naturelle et de Chimie. Cin-quibme 6dition. Vols. 1 and 5. Paris. Franklin, Benjamin. The Correspondence of. Vol. I., pp. xxiv + 486. Vol. II.,pp. vi+475. London, 1817. Franklin, Benjamin. Memoirs of the Life and Writings of, Vol. I. pp. xii+541. Vol. II., pp. 450. London, 1818. Fresenius’ Quantitative Analysis. Vol II.,part IV. Translated by C. E. Groves, F.R.S. London 1897. Friihling und Schulz. Anleitung zur Untersuchung der fur die Zucker-Industrie in betracht kommenden Rohmaterialien, Producte, Nebenproducte und Hulfssubstanzen. Funfte, umgearbeitete und vermehrte auflage herausgegeben von Dr. R. Fruhling. Pp. xvi +465. Braunschweig 1897.Fyfe, Andrew. Elements of Chemistry. Third edition, pp. xxiv + 1072. Edinburgh 1833. Gabba, L. Manuale del Chimico e dell’ industriale. Pp. xvi + 442. Seconda edizione. (Manuali Hoepli.) Milano 1898. Ghersi, I. Leghe Metalliche ed Amalgame. Pp. xii + 431 con 15 incisioni. (Mnnuali Hoepli). Milano 1898. Gilchrist, Percy C. Paper on the Bertrand-Thiel Process of Making Steel. Parts I. to VI. London 1896. Goldschmidt F. See Roth, E. Grandeau, L. Trait6 d’Analyse des Matieres agrieoles. 3rd edition. Tome I. Pp. viiif560. Tome 11. Pp. 614. 8vo. Paris 1897. Gray, Thomas, Smithsonian Physical Tables. Washington 1896. 8v0. Pp. xxxiv + 301. From Smithsonian Collections,35. (Number 1038.) XIX Gregory, G. Lectures on Experimental Philosophy, Astronomy, and Chemistry.Second Edition. Vol. I.,pp. 355. Vol. II., pp. 315. London 1820. GriEen, R. B., and Little, A. D. The Chemistry of Papermakiag, Pp. vi + 51 7. New York 1894. Grifliths, A. B. Respiratory Proteids Researches in Biological Chemistry. Pp. viiif 126. London 1897. Haller, A. et Muller, P.-Th. Trait4 Elbmentaire de Chimie. Chimie Min6rale. Pp. 336. Chimie Organique. Pp. 205. Paris 1896. Hantzsch, N. A. Prkcis de Stkrkochimie. Pp. 223. Paris 1896. Harcourt, A. G. Vernon, and Madan, H. G. Exercises in Practical Chemistry. Fifth edition revised by H. G. Madan. Pp. xvi+598. Oxford 1897. Head, Jeremiah. The Manganese Ore Deposits of Northern Spain. London 1896. (Reprinted from the Journal of the Iron and Steel Institute.) Head, Jeremiah.American and English Methods of Manufacturing Steel Plates. (Reprinted from the Proceedings of the Institution of Civil Engineers.) London 1896. Head, J. On Charging Open-hearth Furnaces by Nachinery. Pp. 26. Reprint from the Journal of the Iron and Xteet? Imstitute, 1897. Head, J. The Coal 'Industry of the South-eastern States of North America. Excerpt from the Transactions of the Federated Institutiou of Mining Engineers, 1897. Heinzerling, C. See Roth, E. Helbig, Dr. See Roth, E. Henry, William. elhmens de Chimie ExpBrimentale. Vol. I.,pp. xxiv -t-528. Vol. II., pp. xv+ 68'7. Paris 1812. Hewitt, J. T. Organic Chemical Manipulation. Pp. xi + 260, 63 illustrations. London 1897. Hintze, Carl. Handbuch der Mineralogie. Zweiter band, Silicate und Titanate.Pp. x + 1841, init 632 abbildungen im text. Leipzig 1897. Hirsch, B., und Siedler, P. Die fabrikation der Kunstlichen Mineralwasser und anderer moussirender Getranke. Dritte, neu bearbeitete auflage. Pp. xii +393. Braunschweig 1897. Hixon, H. W. Notes on Lead and Copper Smelting and Copper Converting. Pp. viii + 116. New York and London 1897. Hoff, J. H. van't. Vorlesungen uber Bildung und Spaltung von Doppelsalzen. Pp. iv + 95. Mit 54 figuren im Text. Leipzig 1897. Holden, Edward S. Mountain Observatories in America and Europe. ?Vashington 1896. 8vo. Pp. vi + 77. From Smithsonisn Miscella- neous Collections, 37. (Number 1035.) e.3 Jettel, W. Die Ziindwaaren-Fabrikation nach dem Heutigan Standpunkte.Pp. viii+ 255. Wien, Pest, Leipzig 1897. Jones, Chapman. A Course of Elementary Experiments for Students of Practical Inorganic Chemistry. Pp, xii + 161. London 1897. Jones, L. J.W. Ferric Sulphate in Mine Waters, and its action on metals. Pp. 9. Read before the Colorado Scientific Society, June 5, 1897. Kopp, H., and Liebig, Justus. Annual Report of the Progress of Chemistry and the Applied Sciences. Edited by A. W. Hoffman and W. De la Rue. 4 vols. 1847-1850. London. The Laboratory or School of Arts, translated from the German by G. Smith, pp. 242. London 1739. Lzfar, Franz. Technische mykologie, ein harndbuch der Gnriings-physiologie. Erster Band. Pp. xii +362. Jena 1897. Lagrange, J. B. B. A Manual of Chemistry.Vol I., pp. xx + 448. Vol. II., pp. vii +457. London 1800. Lstham, P. W. On the Synthssis and Molecular Construction of the Dead and Living Proteid. Pp. 28. Cambridge 1897. Lehmann, K. B., und Neumann, Rudolf. Atlas und Grundriss der Bakteriologie und lehrbuch der speciellen bak teri ologischen d iagnostik. Teil I. Atlas, mit 558 farbigen abbildungen auf 63 tafeln und c. '70 bildern im text. Teil 11. Text. Pp. vii + 448. Miinchen 1896. Lemery, Nicolas. Pharmacopke Universelle. Fifth edition, pp. xvi + 1285. Paris 1763. Lewin, L. Lehrbuch der Toxikologie, zweite auflage. Pp. x +509. Wien und Leipzig 1897. Liebig, Justus, and Kopp, H. Annual Report of the Progress of Chemistry and the Applied Sciences. Edited by A. W. Hoffman and W. De la Rue.4 vols. 1847-1850. London. Little, A. D., and Griffen, R. B. The Chemistry of Paper making. Pp. vi+517. New York 1894. Long, J. H. On the Speed of Reduction of Ferric Alum by Sugar. Chicago 1897. Mace, E. Traitk pratique de Bactkriologie. Troisibme Bdition mise au courant des travclux les plus rdcents avec 185 figures dims le texte. Premiere partie. Pp. i +704. Paris 1897. Madan, H. CT., and Harcourt, A. G.Vernon. Exercises in Practical Chemistry. Fifhh edition revised by H. G. Madan. Pp. xvif598. Oxlord 1897. Mackenzie, W. C., and Foaden, G. P. Manures in Egypt and Soil Exhaustion. Cairo 1896. Mnme, J. Instructions for the Management of the Blow-Pipe, and Chemical Tests. 3rd edition. Pp. 71. London 1822. XXl McAdie, A.Equipment and Work of an Aero-physical Observatory. Washington 1897. 8vo. Pp. 30, From Smithsonian Miscellaneous Collections, 39. (Number 1077.) Mendelbeff, D. The Principles of Chemistry, translated from the Russian (6th edition) by G. Kamensky. Edited by T. A. Lawson. Vol. I., pp. xviii + 621 ; vol. II.,pp. 518. London 1897. Menschutkin, N. Analytical Chemistry. Translated fromethe third German edition by James Locke. Pp. xii+512. London 1896. Miller, E. H., and Ricketts, P. de P. Notes on Assaying, 1st edition. Pp. viii + 311. New York 1897. Moissan, Henri. Le Four Electrique. Pp. vi + 385. Paris 1897. Moitessier, J., et Engel, R. Trait6 Eldmentaire de Chimie Biolo- gique, Pathologique, et Clinique. Pp, vii + 615, avec 102 figures intercakes dans le texte et 2 planches colori6es.Paris 1897. Moldenhauer, F. Grundriss der Mineralogie fur kohere Lehran- stalten. Pp. xviii + 262. Karlsruhe 1838. Moscow, Memoirs of the Imperial University of. Physico-Mathe-matical Series and Natural Science Series. Vols. I-XII. 1880-96. Muller, P.-Th., et Haller, A. Trait6 E16mentaire de Chimie. Chimie Minerale. Pp. 336. Chimie Organique. Pp, 205. Paris 1896. Neumann, Rudolf, und Lehmann, K. B. Atlas und Grundriss der B<ikteriologieund lehrbuch der speciellen bakteriologischen diagnostik. Teil I. Atlas, mit 558 farbigen abbildungen auf 63 tafeln und c. 70 bildern im text. Teil 11. Text. Pp. vii+448. Miinchen 1896. Newman, K. La Unifikazion de las Medidas. Valparaiso, 1897. Newth, G.S. A Text-book of Inorganic Chemistry. 5th edition. Pp. xv+ 669. London 1897. Nicholson, William. Journal of Natural Philosophy, Chemistry, and the Arts. Vols. 111. 1802; XIV. 1806; XV. 1806, and XX. 1808. London. Noad, H. M. Lectures on Chemistry. Pp. 505. London 1843. Normandy, A. Commercial Handbook of Chemical Analysis. Pp. xii + 640. London 1850. Oliver, William, A Practical Dissertation on Bath Waters. Pp. 136. London 1707. Pharmaceutical Society of Great Britain, The Calendar of the, 1897 Pp. 507. London. Philosophical History and Memoirs of the Royal Academy of Sciences at Paris. Translated by John Martyn, F.R.S., and E. Chambers, F.R.S. 5 vols. London 1742. Pickering, S. U., and Bedford, the Duke of. Report on the work. ing and results of the Woburn Experimental Fruit Farm since its estab lishment.First Report. Pp. iv +194. London 1897. XXll Planck, Max. Vorlesungen uber Thermodynamik, mit funf figuren in text. Pp. vi+248. Leipzig 1897. Possetto, G. La Chimica del vino. Analisi, alterazioni, mani- polazioni, adulterazioni. Pp. xvi +496. Torino 1896. Priestley, Joseph, Memoirs of. Pp. iv + 202. London 1809. Prior, Eugen. Chemie und Physiologie des Malzes und des Bieres. Pp. x +597. Leipzig 1896. Register of the Associates and old Students of the Royal College of Chemistry, the Royal School of Mines and the Royal College of Science, with Historical Introduction and Biographical notices, and portraits of Past and Present Professors by T. G. Chambers.Pp. cxxii +231. London 1896. Ricketts, P. de P., and Miller, E. H. Notes on Assaying, 1st Ed. Pp. viii + 311. New York 1897. Redi, Francis. Experiments on Insects. Pp. 230. Amsterdam 1671. Retrospect of Philosophical, Mechanical, Chemical, and Agricultural Discoveries. 4 vols. London 1806-9. Rohault, Jacob. Physics. Pp. 495. London 1718. Roth, E. ;Heinzerling, C. ; Helbig, Dr. ; Goldschmidt, F. ;Weyl, Th. Hygiene der Chemischen Grossindustrie. Pp. 629-9 10, mit 38 nbbildungen im text. Jena 1896. (Vol. 8. Pt. 4 of Weyl’s Hand- tsuchs der Hygiene.) Russell, F. A. R. The Atmosphere in Relation to Human Life and Health. Washington 1896. 8vo. Pp. 148. From Smithsoiiian Mis- cellaneous Collections, 39. (Number 1072.) Saare, 0. Die fabrikation der Kartoffelstarke.Pp. xii+ 577. Berlin lS97. Schulz und Fruhling. Anleitung zur Untersuchung der fur die Zucker-Industrie in betracht kommenden Rohmaterialien, Producte, Nebenproducte und Hulfssubstanzen. Funfte, umgearbeitete und oermehrte auflage herausgegeben von Dr. R. Friihling. Pp. xvi +465. Braunschweig 1897. Shaw, M. P. Leqons de Chymie. Translated from the English. Pp. 105+ 471. Paris 1759. Siedler, P., und Hirsch, B. Die fabrikation der Kunstlichen Mineralwasser und anderer moussirender Getranke. Dritte, neu bearbeitete auflage. Pp. xii +393. Braunschweig 1897. Smith, H. G. On the Constituents of the Sap of the ‘‘Silky Oak,” GreviElea vobusta, R. Br., and the Presence of Butyric Acid therein. (Read before the Royal Society of N.S. Wales, October 7, 1596.) Smith, H. G. The dyeing properties of aromadendrin andof the tannins of: Eucaclgptus Kinos. Reprinted from the Journal of the Societyof Chemical Industry.) XXJII Smith, H. G., and Baker, R. T. On the Presence of a True Manna on a ‘‘Blue Grass,” Andropogon awnuhtzcs, Forsk. (Read before the Royal Society of New South Wales.) Spallanzani, L. Memoirs on Respiration. Pp. xii + 374. London 1804. Stillman, T. 16. Engineering Chemistry, a Manual of Quantitative Chemical Analysis. Pp. xxiii + 523. Easton, Pa., U.S.A., 189’7. Sykes, W. J. The principles and practice of Brewing. Pp. xriii + 511. With plate and numerous illustrations. London 189’7. Thenard, L. J. A Treatise on the general principles of Chemical Analysis.Pp. xi + 323. London 1818. Thomson, Thomas. A System of Chemistry. In 4 vols. London 1802. Thorp, Frank Hall. Inorganic Chemical Preparations. Pp. iv + 236. Boston, U.S.A. 1896. Thouvenel, M. P. Memoires sur 1’A.erologie et 1’Electrologie. 3 vols. Paris 1806. Varigny,Henry de. Air and Life. Washington lS06. Svo. Pp, 69. From Smithsonian Miscellaneous Collections, 39. (Number 107 1.) Venables, F. P. The Development of the Periodic Law. Pp. viii+ 321. Easton, U.S.A. 1896. Vender, V. Ls Fabbricazione dell’ Acido Xolforico. Pp. v + 312 con 107 incisioni. (Manuali Hoepli). Milano 1897. Walke, Willoughby. Lectures on Explosives. ,4 course of lectures prepared especially as a manual and guide in the laboratory of the U.9. Artillery School.Pp. xvi+435. 2nd edition New York 1897. Waller, J. G. System of Mineralogy. 2 vols. Vienna 1778. Wardle, Sir Thomas, and Bell, P. Carter. On the Adulteration of Silk by Chemical Weighting. Pp. 43. Read before the Society of Chemical Industry, April, 1897. Wsyl, Th. See Roth, E. Wiley, H. W. Principles and Practise of Agricultural Analysis. Vol. 111.Agricultural Products. Pp. xii + 665. Easton 1897. Williams, R. P. Elements of Chemistry. Pp. vi + 412. Boston 1897. Wilson, G. Inorganic Chemistry. New edition revised and en-larged by H. G. Madan. Pp. v + 535. London 1897. Wood, T. W. The Assay of Bullion. Ellis, T. Flower. A Brief Account of the Malay Tin Industry. Chemical and Metal-lurgical Society of Johannesburg.February, 1897. Zuchold, E. A. Bibliotheca Chemica, 1840-58. Gottingen 1859. xxi v INDEX TO AUTHORS’ NAMES. -Annable, Henry, 199. Gladstone, J. H., 141. Armstrong, Henry E. , 152, 154. Goulding, Ernest, 76. Aston. Emily, 89. Gray, Thomas, 140. Raker, Julian L., 3. Hake, H. Wilson, 147. Bentley, W. H., 218. Hanes, Edgar S., 62.Bevan, E. J., 150. Harrison, William Hudson, 166, 167. Brooke, Arthur, 51. Hartley, W. N., 11, 46.Brown, Horace T., 4, 129, 130. Hemmy, A. S., 53, 64.Eull, Benjamin Samuel, 168. Henderson, G. G., 119. Hetvitt, J. T., 157, 167. Caldtcott, W.A., 100. Hrycock. C. T., 60, 105. Calvert, Hairy Thornton, 166. Hibbert, W., 141. Caven, R. M., 221. Chattaway, F. D., 87, 149. Hughes, F., 42. Clark, Ernest, 199.Jackson, Percy G., 20.Clowes, Frank, 221. Japp, Francis Robert, 48, 169, 170, 235. Cockburn, G. B., 137, 173. Jenkins, Henry C., 104. Cohen, Julius Berend, 166, 167. Jerdan, David S., 168.Collie, J. Normail, 43, 89, 143, 146. Jomett, H. A. D., 136. Cook, Ernest H., 74. Crompton, Holland, 109, 111, 226. Kay, Sydney A., 75.Cross, C. F., 150. Crossley, Arthur W., 21, 217. Kipping, Frederic Stanley, 132, 133, 135. Dewar, James, 175, 186, 192. Dixon, Augustus Edward, 6. Lapworth, Arthur, 146, 246. Dixon, H. E., 99. Lau-rence, W. T., 65. Dohbie, James J., 101. Lean, Bevan, 160. Dootson, F. W., 167. Lees, Frederic H., 160. Dunstan, M7yndham R., 76. Ling, Arthur R.,3. Dymond, T. S., 42. Liversidge, A., 22. Lloyd, Lorenzo L., 20, 240.Evans, Clare de Brereton, 64. Lowry, T. M., 159. Lumsden, John S., 48. Feilmann, Martin E., 241. Fenton, Henry J. Horstman, 63, 224. Mallett, J. W., 55. Findlay, Alexander, 169. Marsden, Fred, 101. Forster, M. 0 ,21, 165. Marsh, J. E., 137. Fortey, Emily C., 161. Martin, H. W., 139, 171. Francis, Francis E., 63. Matthews, Francis Edward, 18, 232. Frankland, Percy, 9. McConnell, Arthur H., 62. French, Wm., 52, 79. Millar, J. H., 4. Friswell, It. J., 147, 148. Moissan, Professor, 175. Moore, T. S., 157. Gardner, J. A., 137, 173. Morris, G. Harris, 2. Gilles, W.F., 64. Munby, A. E., 103. Gilles, W. S., 158. Myers, Henry C.,100. Neville, F. H., 60, 105. Parker, M. A., 119. Perkin, A. G., 5, 53, 138,139,170, 171, 172, 198.Perkin, W. H., jun., 72, 2013, 217, 218. Pickering, Spencer, 129, 130. Pitt, A. E., 157. Pope, Frank G., 167. Pope, William Jackson, 11, 132, 133, 135. Price, Thomas Slater, 9. Ramage, Hugh, 11, 46. Rayleigh, Lord, 17. Renwick, F. F., 64, 158. Rodger, J. W., 49. Rosenheini, Otto, 234. Ruhemann, S., 52, 53, 64. Russell, E. J., 99. Schidrowitz, Philip, 234. Schryver, S. R., 220. Scott, Alexander, 70, 71. Sell, W. J., 167. Shenstone, W. A., 2. Smith, Claud, 150. Smith, Ernest, A., 104. Snape, H. Lloyd, 50, 51. Spiller, John, 118. Sprankling, C. H. G., 173. Stevens, H. P., 87, 149. Sudborough, John J., 19, 20, 240, 241. Thomas, G. L., 58. Thorpe, Jocelyn Field, 72. Thorpe, ‘1’. E., 49, 150. Tingle, Alfred, 170.Titherley, A. W., 45, 46. Tutton, Alfred, E., 10, 115. Walker: James, 48, 75. Wilderman, Meyer, 119, 139, 245. Williams, Katherine I., 88. Wynne, W. P,, 152, 154. Young, George, 53, 156, 199. Young, Sydney, 58. XXVI INDEX TO Armstrong, H. E., 18, 59, 100,105. Baker, H. B., 3 Blount, B. H., 71. Hloxam, A. G., 249. Bone, W. A, 136. Cassnl, C. E., 89. Collie, J. N.,249. Craw, J. A., 59, 62. Crookes, Sir W.,100, 192. Dewar, James, 88, 100, 105, 107, 142, 149 Dunstan, W.R.,43, 89, 143. Forster, M. O.,44, 220. Friswell, R. J., 119, 145, 198. Gladstone, J. H., 118, 185. Green, A. G., 149. Groves, C. E., 59, 62, 71, 88, 89, 105. Harcoiirt, A. Vernon, 3, 18, 42, 59, 71, 119. Hehner, O., 89.Hewitt, J. T..149, 244. Heycock, C. T.,71. Jenkins, H. C., 62. DISCUSSIONS. Kipping, F. S., 44, 132, 145. 220; 249. Lapworth, Arthur, 233. Ling, A. R.,132. McLeod, H.,18. Xorris, G. H., 4. Newlands, J. A. R., 62. Parry, E. J., 233. Perkin, W. H., 184. Yickering, S. P. U., 112, 245. Ramsay, William, 18. Rideal, Samuel, 48. Roberts-Busten, W. C., 105, 106. Scott, Alexander, 43, 100. Shields, John, 114, 244. Spiller, John, 71. Sutherland, D. A., 89. Sworn, W. A., 145. Thorne, L. T., 3. Thorpe, T. E.,3, 59, 185. Tilden, W.A,, 3, 145, 223. Whetham, W. C. D., 113. Wynne, W. Palmer, 232, 24’7. XXVII INDEX OF Acetaldoxime, derivatives of, 76. Acetoxime, derivatives of, 77. a-Acetyl-B-diphenylpropionicacid, pre-paration and properties of, 119.acetylene, a Bunsen burner for, 103. Acids, fatty, Wechsler's method of separating, 22. Acrylic acids, substituted, stereoisomeric method of distinguishing, 241. Affinity, residual, 113. Air, liquefaction of, 186. Alkaloids, Solanaceous, gold salts of, 136. Alkyl haloids, action of, on aldoximes and ketoximes, 76. blkyloximes, formation and constitution of, 76. 8-Alkylacetosuccinic ethers, hydrolysisof, 174. AXlkylammonium hydrosulphides, dis-sociation pressures of, 48. Allylphenylthiohydantoin, preparationand mouerties of. 8. Alumi&ur$, spectrographic analysis of, 47. 48. Aluminous minerals, spectrographicanalysis of, 12. Alums, spectrographic analysis of, 47.Ainarone, identity of, with tetraphenyl-azine, 51. American petroleum, hydrocarbons from, 58. Aininonia, action of, on solid iodine, 55. Amy1 derivatives of substituted glycericacids, 9. Analysis, method of spectrographic, 11, 46. Anhydracetophenonebeiizil, derivatives of, 170. Anniversary meeting, 80. Apigenin, constitution, composition, pro-perties and preparation of, 54, 138. Apiin, properties of, 53. Apparatus, new forms of, 3. ---for concentration of argonfrom air, 18. ---for steam-distillation, 18. Argon, concentration of, from air, 18. SU-BJECTS. Association, molecular, of liquids, 225. --_-of solvent, effect of, on osmotic pressure, 227. Atropine, gold salts of, 137. Bauxites, spectrographic analysis of, 12, Benzamides, hydrolysis of substituted, 20. --_-new substituted, 21.Benzene, a space formula for, 143. -__-hexachlorides and the spaceformula, 232. ----substitution in, explanation of', 144. Benzil, preparation of, from benzoin, 20. --condensation product : a correc-tion, 48. Benzoylphenylsemicarbazide, propertiesof, 199. Benzoic acids. di-ortho-substituted. Part 111, 20. Benzylphenylthioh ydantoin, preparation and properties of, 8. Black band ores, spectrographic analysis of. 12. Blendes, spectrographic analysis of, 13. di-Broniethylenes, the isomeric, 140. s-Bromocamphoiic acid, inactive, pre-paration and properties of, 134. Bromodihydro-B-camphylicacid, 200. Budde's experiments on the expansion of chlorine, 3."Bumping " of boiling liquids, how stopped, 19. iso-Butylhydroxycyanovalericacid, pre-paration and properties of, 219. iso-Butylmethylhydroxyglutaric acid,preparation of, 219. Calcium present in aluminium, origin of, 48. cis-r-Camphanic acid, inactive, prepara-tion and properties of, 134. tmns-wCamphanic acid, inactive and active, preparation and properties of, 134. Camphenol, production of, from cam-phor, 137. XXVIII Camphenylnitrani i lie, prepara tion and properties of, 21. Camphoic acid and ketopinic acid, 65, 158. Camphor, optical inversion of, 132. -_-steraoisoineric di-derivatives of, 159. Camphoric acid, formula for, 218. ----synthesis of, 218. ----decomposition of, 217.----derivatives of, 11, 133. $-Camphoric acid, preparation and pro- perties of, 218. Camphoronic acid, synthesis of, 72. --_--an isomerido of, 220. Camphoroxime, ethers of, 165. Camphotricarboxylit acid and ketopiiiic acid, 63. trans-Camphotricarboxylicacid, inactive, preparation and properties of, 135. Cannizzaro, Proressor, reply of, to Society’s Addrcsv, 1. Carbohydrates of cereal straws, 150. ---therniochernistry of change of rotatory power of, 129. Carbon, optical effects of asymmetric, 9. --atomic weight of, 70. Carbon mon-oxide, action of “ nascent ’) oxygen on, 99. ----completely absorbed by potash, 71. . Carbon di-oxide, expansion of potashsolution by absorption of, 71. Catalytic agents, interaction of highly- purified gases in presence of, 52.Certificates of candidates for election, 25, 55, 91, 123, 206. Chloral, condensation of,with resorcinol, 11, 167. Chlorine, behaviour of pure dry, under the silent discharge, 2. __.-anomalous expansion of, 3. --action of pure dry, on mer-CUIy, 3. Chlorine peroxide, explosion of, with carbonic oxide, 99. aa-Chlorobromocaniphors, two isomeric, 159. A-Chlorocamphoric acid, inactive, pre-paration and properties of, 134. Chlorodihydro-/3-camphylicacid, 200. Chlorodiparaconic acid, preparation and properties of, 100. Chlorofenchone phosphonic acid, prepa- ration and properties of, 173. a-Chloro-y-methyl-a‘-pyridinecarSoxylicacid, preparation and properties of, 89. a-Chloro-d-methyl- y-pyridinecarboxylic acid, preparation and properties of, 89.:4’-di-Chloronaphthalene, preparationof, 154. di-Chloronaphthalenesulphonic acids, 152. 2 : 4’-di-Chloroiiaphthalene-2’-sulphonicacid, .preparation and properties of, 153. 2 : l’-dz-Chloronaphthalene-3‘-sulphonicacid, 153. 1 : l’-di-Chloronaphthalene-3-sulphonicacid, preparation and properties of, 155. Chlorostilbene, a new, from deoxyben- zoin, 20. Citrazinic acid : studies on, Part V, 167. Citiic acid, synthesis of, 65. Clay ironstones, spectrographic analysis of, 12. Cobalt ores, spectrographic analysisof, 13. Cobalt, oxides of, and cobaltites, 62. Cobaltous acid, propertias of, 62. Colpooz compesstcm, glucosides from, 170. Commemoration Medal granted to Presi- dent, 217.Corydaline, Part V, 101. Corgdic acid, preparatim and properties of, 101. Cotoin, diazobeiizene derivatives of, 172. Curtius’ compound, identical with sodium benzamide, 46. Dalton’s law in solutions, 119. Deliquescent siibstances, absorption of water by, 147. Dextrose, solution-density and cupricreducing power of, 5. Diacetanilide, formation of, 156. Diacetyltartaric anhydride, action of aromatic amines, 167. Diastase, hyctrolysis of starch by, 130. --products of the action of, on starch, 3. Dihydrocamphoketone, preparation and properties of, 218. Dihydrocamphoric acid, prcparation and properlies of, 218. Dihydro-iso-lauronic acid, preparation of, 201. Dihydroxymaleic acid and its isomericle, 224.Dihydroxytartaric acid, preparation and properties of, 224. ay-Dimethyl-a’-chloropyridine,oxidation products of, 89. Dimethylphenylthiohjdantoin,prepara-tion and properties of, 9. Dithionic acid from snlphnrous acid, 42. Electrical conductivity, theory of, in liquids, 112. Electric flame,oxidation of nitrogen by,18. Electrolytic dissociation, hypothesis of, 109. --reduction of a sulphuric acid solution of nitrobenzene, 149. XXIX Ellagic acid, plants of which it is the coloiiring matter, 170. E~iantiomorphisinof ethylpropylpiperi-donium iodide, 64. Esterification of unsaturated acids, 240 SCq. Esters, formation and hydrolysis of, 241. rate of hydrolysis of, 242-3. a-Ethyladipic acid, 161.a-Eth ylbutaiietricarboxylic acid, prepara- tion and properties of, 161. Ethyleneaniline and toluidine, dinitros- amines of, 63. Ethylic acetosuccinate, colour reaction of, 53. --_-some derivatives of, 53. Ethylic acetyl-iso-butylsuccinate,preps-ration and properties of, 219. -a-acetyl-B-diphenylpropionate,preparation and properties of, 119. adipate, 161. alcohol, action of, in formation of urea from ammonium cyanate, 75. anhydro-oxalaconitate and its iso-meride, 64. -benzoylsuccinate, properties of, 53.-brom-iso-buty lacetate, properties of, 219. --butanetricarboxylate, 161. a-chlorocrotonate, action of, on &ketonic acids, 52. chlorofumarate, action of, on B-ketonic acids, 52. --B-chlor-aa& trime thy lglutarat 8, preparation and properties of, 73.__-&cyan o-aaB- trimethy lglutarate, ~~reparationand properties of, 73. a-e th ylbu tanetricarboxy late, pre- paration and properties of, 161. /3-hydroxy-aa~-trirnethylgluta-rate, preparation and properties of, 72. pyronetricarboxylnte and its iso- meiide, 64. sodacetoacetate, derivatives of, 119. __-sodiomalonate and ethylene tli-chloride, interaction of, 160. Ethy1 phenylthiohydan toin , preparationand properties of, 9. Eth ylpropylpi peridonium iodide, ei~~ntio- morphic forins of, 64, Ethyl-o-tolylthiohydantoin, preparationand properties of, 9. Fellows, election of, 57, 102, 141, 231. Fenchene, oxidation of, 137. Penchone, action of pliosphorus penta- chloride on, 173.Perrons sulphide in the decoinposition of iron pyrites, 100. Fisetin, colouriiig matter of Bhus rhodan-thema, 198. Fish, cooked, composition of, 88. Fluorine, properties of, at a low tempera- ture, 183. --refractive index of, 183, 185. --magnetic rotation of, 184 seq.--critical point of, 177. --liquifying point of, 178 seq. --properties of liquid, 175 seq. --capillary constant of liquid, 181. --tlensity of liquid, 180 sep.Foreign Members, !moposal of, 240. Fornialdoxime, derivatives of, 76. Freezing points in dilute solution, deter- mination of, 245. Funiaroid linking of carbons in benzene compounds, 233. Furfuroids in cereal straws, 151. Galenas, spectrographic analysis of, 13. Gallium, wide occurrence of, in minerals, 13.Glyceric acids, amyl derivatives of sub- stituted, 9. Glycollic aldehyde from dihydroxy-maleic acid, properties of, 63. Gold, occurrence of, in natural saline deposits, 23. --determination of, in natural saline deposits, 23. --nuggets, crystalline structure of, 22. Gold-sodium alloys, crystalline structure of, 106. Haematites, brown and red, spectro-graphic analysis of, 12. Heats of neutralisation, 111. Helium, collection of, from Bath water, 190. Hexanaphthene, preparation and pro-perties of, 161. Hydration of salts a cause of their deliquescence, 147. Hydrocarbon in gas from Bath springs, 190 sep.8-Hydroxy-aaB-trime thplglu taric acid,preparation and properties of, 72. Hydroxyl groups in catechin aucl cyaiio- maclarin, estimation of, 5.Hyoscine gold salts, 137. Hyoscyamine gold salts, 137. Invertase,hydrolysisofcane-sugar by,131. Inver t-sugar, solution-density ,and cuyric- reducing power of, 5. Iron pyrites, decomposition of, 100. Keknlk Memorial Lecture, 235. Retolactonic acidandits homologues, 173. xxx 8-Ketonic acids. Parts 111, 1V, V, 52, 53, 64. Ketopinic acid and its derivatives, 64. 6-Ketopinic acid, properties of, 158. Laevulose, solution-density, and cupric- reducing power of, 5. Laurent’s “ amarone,” preparation aid properties of, 51. ;so-Lauronolic acid, properties of, 201. iso-Lauronolic and iso-lauronic acids, constitution of, 202. Lead, action of oxides of sulphur on, 104. --metallurgy of, 104.Liebisch’s rule for distinguishing mis- tures and racernic compounds, 136. Light, lecture illustration of cheniical effect of, 149. Iimonites, spectrographic analysis of, 12. Longstaff Medal, award of, 42, 80. +-Lutidostyril, products of the inter-action of, with phosphorus peiita-chloride, -1.1. Xeclurin, derivatives of, 5, IIagnesium, action of, on copric snlphate solution, 221. Xagnesium nitride, action of, on organic compounds, 50. Magnesium-copper couple, action of, on water, 223, 224. Xagnetites, spectrographic analysis of, 12. Xaleoid linking of carbons in benzene compounds, 233. >Ialtodextrin, a-and B-, pro erties of, 3. Jfanganese ores, spectrograp%ic analysis of, 12. ----sulphate, use in oxidisingsulphurous acid, 42, 43.Jlelting points, method of determining, 74. Memorial Lecture, KekulQ, 235. ----Pasteur, 79. 1Iercury and chlorine, interaction of pure,-3. Jlethylcaniphorimine from camghor-oxime, preparation and properties of, A1. 31ethylphenylthiohydantoin,preparationand properties of, 8. 3Ie thy1 -o-to1 yl thioh ydant oin , preparatio11 and properties of, 8. Minerals, aqueous origin of many, 13. Moisture, influence of, on production of ozone, 2. Jiouoses, the carbohydrates of cereal straws, 151. 3lultirotation, cause of, 129. Myricetin, colouring matter of Venetian sumach, 170. Naphthalene, tri-derivatives of, 153 seq.Naphthylureas, preparation and pro-perties of, 199. Nickel ores, spectrographic analysis of, 13.Nicotinic acids, substituted, 167. Nitric acid, action of, on platinum-silveralloys, 118. Nitrobenzene, some physical constants of, 147. ---solution in siilphuric acid, action of light oil, 145. Nitrobenzylic alcohol, o-andp-, action of nitrogen tetroxide on, 166. Nitrocamphor, preparation and pro-perties of, 160. Nitrogen gas, oxidation of, 17. -__-iodide, composition of, 55. -__-tri-and tetroxide, action of, OIL alcohols, 166. -___ tetroxide, action of, on nitro-benzyfic alcohols, 166. Nomination for President, 69. Non-electrolytes, molecular depression of mixtures of, 119. Officers and Council, changes in, 41. “Optical antipodes,” 133. Optical effects of asymmetric carbon ill glycerates, 9.Organic compounds, isomeric changes in, 246. Osniotic pressure, theory of, 109.-----and association, 225. Osyritin, from Cape sumach, 170. B-Oxycellulose, derivatives of, 168. Oxygen, behaviour of, under the silent discharge, 2. Oxypicolines, some nitro- and amido-, 146. Ozone, conversion of oxygen into, under the silent diBcharge, 2. --unstable in contact with an alkali, 3. Palladium, absorption of hydrogen by, 192. Pal1adiuni-hydrogen, la tent heat of dis -sociation of, 197. Pasteur Memorial Lecture, 79. Pentane and iso-pentane from Americai: petroleum, 58. --physical constants of, 58. --fractionation of, 60. Perthiocyanic acid, hydrolysis, of, 87. ----reduction of, 140. Phenanthrone, constitution of, 169.p-Phennnthrylamine, formation of, 169. XXXI 8-Phenanthrylic acetate, formation of, 169. B-Phenanthrylic oxide, formation of, 169. o-Phenetolazophenol, o-and p-,prepars-tion, properties and derivatives of, 157. u-Phenetolazophenyl benzoate, properties of, 157. y-Phenetolazophenyl acetate and benzo- ate, properties of, 158. o-Phenetolazophenylbenzene, propertiesof, 157. g-Phenetolazophenylbenzene sulphonate,properties of, 158. Phenylethosytriazole carboxylates, pro- perties of, 53. Phenylstyrenyloxytiiazole, oxidation of, 53. Phloretin, diazobenzenc derivatives of, 172. Phloroglucinol, synthesis of, 168. ----azobenzene derivatives of, 172. l’hloroglucinoldisazobenzene-m-azonitro-benzene, preparation and properties of, 173. Phloroglucinol-o-trisazoanisol, prepara-tion and properties of, 172.Phloroglucinol-trisazobenzene, prepara- tion and properties of, 172. Phosphorus in cooked fish, 89. ---pentachloride as an agent for replacing the sulphonic radical by chlorine, 152. Photography, use of trioxypicoline ill, 146. Pinophanic acid from ketopinic acid, G5. Piperidine, compounds of, with phenols, 234. Platinum nnggets, crystalline structure of, 22. Platinum-silver alloys, solubility of, 11 8. Potassium ethylamide, preparation and properties of, 45. Pressure, partial, of dissolved gases,226. Prior’s “achrooclextrin IIJ,” 3. iso-Propyl alcohol, (( hydrates ” of, 150.‘‘ Pseudo-racemism,” 135. Pyridine derivatives from the distillation of ethylic B-amido-crotonate, 43.Pyridine-benzene formula, 239. Pyites, spectrographic analysis of, 13. Racemism and pseudo-racemism, 135. Refraction constants of crystalline sdts, 10, 11. --substances having two indices of, 141. Refraction, molecular, of dissolved salts and acids, 141. Research Fund, donation of 1,00Oguineas,24. Resorcinol, condensation of chloral with, 11, 167. Rhamnazin, constitution and properties of, 139. Rh‘l6s rhodunthemu, colouring matter of, 198. Rotation, molecular, of optically active salts, 111. --specific, always constant for the same substance, 142. Rnbidamide, preparation and properties of, 46. Saline deposits, occurrence oi gold in, 23. Selenates of potassium, rubidium, and cesium, crystallography of, 115.Siderites, spectrographic analysis of, 12. Silver-platinum alloys, solubility of, 118. Sodamide, reaction of, with organic sub- stances, 45. -substitution derivatives of, 45. --constitution of substituted, 46. Sodium-gold alloys, crystalline structure of, 106. Solvents, associated or monomolecular, 110. Starch, products oE the action of diastase on, 3, 130. Stassfurt minerals, spectrographic a.na-lysis of, 47. Statistics of Society, 81. Stereochemistry of unsaturated coni-pounds, I, 240. Substances, pure, properties of some, 2. Sugar, new synthesis of a, 63. Sulphates, mixed, of the vitriol group, $1. Sulphocamphylic acid, derivatives of, 200. Sulphurous acid, titration of, by per-nianganate, 42.Sumach, Cape and Venetian, colouriiig matters of, 170. Tcniperature, influence of, on rotation, 10. Tetraphenylazine, identity of, with ama- rone, 51. Tetraphenylenefurfuran, formation of, 169. Thermal effects attending change of rota-tory power, 130. Thermochemistry of carbohydrate hydi o-lysis, 130. Thiohydantoins, chemistry of, 6. ----nomcnclature of, 9. Tin ores, spectrographic analysis of, 13. Toluene, nitration of, 145. Tolaidine and ethyleneaniline, dinitros- amines of, 63. o-Tolylthiohydantoin, preparation and properties of, 8. Triacetylmaclurinazobenzene,preparationand properties of, 5. aaB-l’rimethylglutaconic acid, prepara-tion and properties of, 72. aab-Trimethylglutaric acid, preparation and properties of, 72.a&-Trimethyltricarballylic acid, 73. Triosypicoline, preparation and proper- ties of, 146. Triphenylhydroxypyrrholone, formation and properties of, 171. 1:3 :4-Ti-iphenylpyrazole, formation of, 171. Triphenylpyrrhole, formation of, 171. Tustin, Mr., Donation to Research Fund of 1,000 guineas, 24. Urea formation, velocity of, in aqueous alcohol, 75. Van’t Hoff sconstant in dilute solutions, 139. Viscosity of mixtures of miscible liquids, 49. --numbers proposed as a test of‘ identity, 59. Water, ultra-violet spectrum of, as test for presence in flames, 100. Wechster’s method of separating fatty acids, 21. Wein’s reduction tables, correction of, 3. X-ray photographs of solid alloys, 105. X-rays, opacity of elements to, relation of, to atomic weights, 107. Zinc alloys, freezing point curves of, 61).Zinc-platinum coup1eforstopping“bump- ing, ’’ 19. ERRATA. Page. Line. 42 7 for “dithonic ” read ‘‘ dithionic.” 65 24 ,, “ Laurence” read “ Lawrence.” 89 34 ,, ‘‘a-chloro-a-methyl-a‘-pyridinecarboxylic acid ” read ‘c a-chloro-a’-methyl-y-pyridine carboxylic acid.” 119 12 ,, “impurities” read “siilphuric acid.” R:CRABD CLAY AND SONS, LIMITED, LONDON AND BUNGAY.