THE QUART E R LY JOURNAL OF THE CHEMICAL SOCIETY OF LONDON. LONDON HIPPOLYTE BAILLIERE 219 REGENT STREET AND 440 BROADWAY NEW YORK U.8. PARIS 3. B. BAILLIERE RUE HAUTEFEUIZLE MADRID BAILLP BAILLIERE CALLE DEL PILINCIPC. 1861. LOHDOH PRINTED BY HAI1RISON AND SONS ST. MARTIN’S LANE W.Q CONTENTS OF THE THIRTEENTH VOLUXE. On Biniodacetic Acid . By W. H. Pexkiu. F.C,$. and B. F. Duppa. Eq ........ PW 1 Description of an Hermetically Sealed Barometer . By Richard Adie .........*. 7 Acid. 3y TY.I%.Perkin.Action sf Pentachloride of Phosphorus an T~ta;ricF.C.S.,and 8. F.Duppa. Esq ............................................................................ 9 On the Application of Electrolysis to the Detec6ion of the Poisonous Met& Mixtures containing Organic Matters .By Charles L. Bloxam ............... 12 ORthe Composition of Air from Mount Blanc . By Dr.E. Franklanfl F.X.S. 22 On Refining GIold wben alloyed with Tin or Antimony. so 88 to render it fit for the purpose of Coinage. By Robert Warrington .......................................... 31 On some Derivatives frpm the Olefines . By Frederick Guthrie ........................ 35 On the Crystallized Hydrates of Bar@ and Strontia . By Charles L. Bloxam 48 Mhellaneous Obsmations . Ry A. W. Hofmann. F.R.S. ,(Oordhkued Vol. x.* p. all) :-4 . Action of Nitrous Acid upon Nitrophenylene-diamine .................... 61 5 . Action of Bisulphide of Carbon upon Amybmine ............................60 6. On the use of Pentachloride of Antimony in the Pmpw4ion of Chlorine-compounds .............................................................................. 63 7 . On Di-iodide of Methglene .................................................................... 65 8 . Dibromide of Ethylene ....................................................................... 67 9 . Wetamorphosis of Nonobrominated Ethylene .................................... 68 10. Iodide of Ethyl ...................................................................................... 69 11. On the Deportment of Cyanate of Ethyl with Ethylate of Sodium.... 70 12. On Ulycerin ........................................................................................... 71 13.Dinitratoluic Acid ................................................................................ 72 14. On Islatin ............................................................................................... '13 16. Bpontaneous Decompositim of Gun-cotton ........................................ 25 16. Experimental illustration of the Csmpositian of Ammonia in Lectures ................................................................................................... ra 27. How to exhibit the InflaramabiIity of Ammonk ................................ 78 18. Separation of Cadmium from Copper ................................................... 78 19. Separation of Arsenic from Antimony ................................................ 79 20.Analysisof the Saline Water of Christian Malford. near Chippenham 80 21. Spontaneous Decomposition of Chloride of Lime ............................. 84 22. Bisulphide of Carbon in Coal Gas ..................................................... 85 23. Remarks on the changes of Gutta Percha under Tropical Intluencerr 87 1v CONTENrs. PAGE On the Carbonates of Alumina Ferric Oxide and Chromic Oxide By James Barratt Esq 90 Proceedings at the Meetings of the Chemical Society 92 On certain sources of loss of Precious Metal in some operations of Acsaying By G H Makins 91 On Bibromosuccinic Acid and the Artificial Production of Tartaric Acid W H Perkin P C S and B F Duppa Esq By 102 On the Composition of the Platinocyanides By Edward A Hadow 106 On the Stibetvhyls and Stibmethyls By # B Buckton 115 On Crystalliied Sodium and Potassium By Charles Edward Long 122 On Zinc methyl By J A Wanklyn 124 On some Derivatives from the Olafines By Frederick Guthrie 129 Contribution towards the History of Cinnamic Acid By David Howard 135 Action of Sodium upon Iodide of Methyl mixed with Ether By J.A Wanklyn and F Buckeisen 140 On the Composition of the Aqueous Acids of Constant Boiling Point Henry Enfield Roscoe By 146 Proceedings at the Meetings of the Chemical Society 165 On Organo metalliL Bodies a Discourse delivered to the Chemical Society of London By Dr E Frankland 177 On Acetoxj benzamic Acid an Isomer of Hippuric Acid By GF C Foster 235 On Baudrimont s Protosulphide of Carbon By Lyon Playfair C B F R 9 248 Notice of a New Ammonio chrome compound By J Morland F C S 252 On Circular Polarization a Discourse delivered to the Members of the Chemical Society of London By Dr J H Gladstone F R S 254 On Chemical Anal3 SIS by Spectrum observations By Professors Euchhoff and and Bunsen 270 Contnbutions to the History of the Phosphorus bases By A W Hofmann, F R S {First Memoir) 289 On the Discrepancies in the Statements of Pelouze and F Mohr respecting the Solubility of Gallotannic Acid in Ether By Professor Bolley 325 On the Colonring Hatters of Persian Berries and on certain general relations of Yellow Vegetable Dyes By Professor Bollej 3-07 On a hitherto unobserved source of Paraffin By Professor,Bolley 329 Note of the Action of Chloride of Ethyl upon Ammonia By C E Groves 331 On the Crystalline Form of Metallic'Chromium By Professor Bolley 333 On a New Lead salt corresponding to Cobalt yellow By S D Hayes 335 On the Electrolytic Test for Arsenic and on the presence of that Metal in certain Re agents By Charles L Bloxam 338 On the,Volumetric Relations of Ozone and the action of the Electrolytic Dis- charge on Oxygen and other Gases By Thomas Andrews P R S and P.3 Taite 91 A 344 Proceedings at the Meetings of the Chemical Society 368 Index 373