THE JOURNAL OF THE CHEMICAL SOCIETY OF LONDON. 4Larnmiiite MX "8$blimtiafi F A ABEL F.R.S THOHAS GRAHAM F.R.S. WARREN DE LA RUE,PH.D. F,R,S. I W A MILLER M.D. F.R.S. 6bibYk HENRY WATTS B.A. F.R.S. F.C.S NEW SERIES VOL. V. (Entire Series Vol. XX.) LONDON HTPPOLXTE BAILLIERE 219 REGENT STREET 18'6'7. L@iVDON HARRISON AND SONS PltlNTZRS 1s ORDlHAnY TO IIER MAJESTY ST. MARTIN'S LANE. CONTENTS OF THE TWENTIETH VOLUME. PAffE 1 On Ozone. By Charles Daubeny M.D. F.R.S. On the Synthesis of Butylene. By Xrnest Theophron Chapman .....a 28 The Relation between the Products of Oxidation and the Molecular Constitn- tion af the Bodics Oxidized. By E. T. Chapman and W. Thorp ... . 30 On a Chlorsulphide of Carbon.By Walter Noel Hartley ...... ........ 33 On a New Class of Compounds containing Nitrogen in which Hydrogen is 36 replaced by Nitrogen. Synthetical Researches on Ethers. No. 2. Action of Sodium and Isopropylic Iodide upon Etliylic Acetate. By E. Frankland F.R.S. and B. F. 102 Duppa Esq. On the Alloys of Magnesium. By James Parkinson ..,...... . . . ... . . . 117 On the Oxidation of Ethylic and MethylicBenzoates. By R. H. Smith F.C.S. 131 On a New Synthesis of Formic Acid. By Ernest Theophron Chapman.. 133 On the Basicity of Tartayic Acid By W. H. Perkin F.R.S. . ,.,,.. . . .... 138 On thedbsorption of Vapours by Charcoal. By John Hunter M.A. F.C.S. Chemical Assistant Queen’s College Belfast ,..., . ,. . .......,..... 160 On a New Form of Aspirator.By Herbert MCLeod .. ..... . .. .. . . .... 164 On some Reactions of Hydriodic Acid. By Ernest Theophro n Chapman 166 Titration of the Compound Ethers. By J. Alfred Wanklyn Professor of 170 Chemistry at the London Institution Quantitative Analysis by ‘‘Limited ” Oxidation. Examples Lactic Acid and Diethoxelic Acid. Ry Ernest T. Chapman and Miles H. Smith.. .. 173 On the Preparation of Berberine from Cosciniziin Fenestratum. By John Stenhouse LL.D. F.R.S Bc...,.. .. .. .......................... 187 On the Amount of Carbonic Acid contained in Sea Air. By T. E. Thorpe,Dalton Scholar in the Laboratory of Owens College Xanchester.. . . ... . 189 On the Amount of Carbonic Acid contained in the Atmosphere of Tropical Brazil during the Rainy Season.By T. E. Tho rpe. . .. ... . ..... . .... 199 On -4uoys. By A. hlatthiessen F.R.S. Lecturer on Chemistry in St. Mary’s Hospital 3Sedical School ,... .,. . .. ..,..,. . ,.....,,. . . . . .. 201 Xote on 8ome Varieties of Orchella Weed and products obtained from them. By John Stenhouse LL.D. F.R.S. &c. ,.....,..... .. .I... .. ,. .... 221 Limited Oxidation Determination of the Oxygen Consumed. By Ernest Theophron Chapman.. .. . . . . ......,..... .. .... .. ........ .... . . 221 On the Abcorption and Dialytic Sepzration of Gases by Colloid Septa. ByThomas Graham F.R.S. Mastcr of the Milit ,. ,.. . ....... . ........ 235 Oxidation of Formic Acid. BF Ernest Theophron Chnpnisii . . ..,... . . 289 Kotc on the Synthesis of Formic and Hyposulphurous Acid.By A. DKIPY~ Ph.D..,.. .. ..*... .. .. .. ,. .. .. .. .. .. .. .. .. .. ,..... ,. .. .. .. .... .. 291 CONTENTS. PAUE Experiments on Oxidation by mean's of Charcoal. By F. Crace Calvert Ph.D. F.R.S. ** * *. *a ** ** -* *. * ..a * 293 Oxidation of the Acids of the Lactic Series. By Ernest Theophron Chap- manand Miles H. Smith.. *. -...-....# .............. .. .......,. 296 On Limited Oxidation with Alkaline Permanganate. By Ernest 'J'heophron Chapman and Miles H. Smith -. . . . a 301 On tlie Presence of Soluble Phosphates in Cotton Fibres Seeds &c. By F. Crace Calvert F.R.S. .. . . .. . ... ........ . . ...... . .. . . . . . ..... .. 303 Observations on the Weathering of Copper Ores.By John Spiller F.C.S.. 306 On Phosphide of Magnesium. By James Parkinson ... . ....,.,,,. . 809 Researches on h-cotton. On the Manufacture and Composition of Gun-cotton. By F. A. Abel F.R.S. V.P.C.S. .* ..........,. ,...,. ..,. 310 On the Constitution of Phosphites. By C. Rammelsberg.. ...,..... . ..,. 358 On the Changes in the proportion of Acid and Sugar present in Grapes during the Progress of Ripening. By A.. D upr6 P1i.D. . . ... . ,,,. . . .. ... . . 378 Note on Crystallised Glycerin. By Dr. J. H. Gladstone . . ......,,.,.. ..' 384 Anniversary Meeting .......... . .. . ... . .. . . .......... ..............,. 385 On some of the effects produced by the addition of Plaster of Paris to Must. By A. DuprB Ph.D. ...... . ........ . .............. .............. 403 On the practical Loss of Soda in the Alkali Manufacture. By C. R. A. Wright B.Sc. Private Assistant in the Chemical Laboratory at St. Thomas's Hospital ...... . ...... . . . ..... . . . . . . ........... .... .. . . 407 Description of an Apparatus for preventing Escape of Sulphuretted Hydrogen. By theRev. B. W Gibsone M.A. B.Sc. .......................... 415 On some new Derivatives of the Hydride of Salicyl. By W. H. Perkin F.R.S. ........................s. ......*a .**. ....-* .....a .... 418 Action of Chloride of Iodine on Picric Acid. By John stenhouse LL.D. F.R.S. ....,.,. ,......... .. .................................. .. 433 On Pyrophosphoric Acid. By Dr. J. H. Gladstone Ph.D. F.R.S. ,.,,... 435 On Julin's Chloride of Carbon.By Henry Basset t ... . . ... . .....,.... 443 Water Analysis ; Determination of the Nitrogenous Organic Matter. J. Alfred Wanklyn E. T.Chapman and Miles H. Smith ......By 445 Analysis of a Biliaq Concretion ; and on a New Method of preparing Biliver- &n. By Dr. T. L. Phipson F.C.S. &c. Member of the Chemical Society of Paris .. 454 On the observation of tlie course of Chemical Change. By A. Vernon Harcourt Lee's Reader in Chemistry at Christ Church Oxford ..... . 459 011 tlle Estimation of Compound Ethers in Wine. By A. Dupr6 Ph.D .... . 493 Researches on Gmi-cotton.-Second Memoir. On the Stability of Gun-cotton. By F. A. Abel F.R.S. V.P.C.S. .... .. .. . ...............,. 505 Nitrous and Nitric Ethers ; their Decompositious and Reactions. By E. T. Chapman and M. H. Smith ,. ... ,.. ,......... ......... .... 576 On the Actioll of Acetic Anhydride upon the Hydrides of Salicyl Ethyl- saEcyl &c. By W. H. Perkin F.R.S.......................... . .. .. 586 Verification of Wanklyn Chapman and Smith's Water Analysis on a ~eyies ofktificial Waters. By J. Alfred Wanklyn Professor of Che-nlistry at the London Institution.. ..,... . ,,.. . . . . . . . . ,, ..,.,.,,,. 591