J O U R N A L OF THE CHEMICAL SOCIETY. ABSTRACTS OF PAPERS ON PHYSICAL, INORGANIC, MINERALOGICAL, PHYSIOLOGICAL, AGRICULTURAL, ANALYTICAL CHEMISTRY. AND 8. E. ABISTRONGC, Ph.D., F.R.S. J. DEWAR, LL.D., F.R.S. WYNDHAM R. DUNSTAN, M.A., F.R.S. A, VERNON HABCOURT, M.A , F.R.S. F. 5. KIPPINU, D.Sc. R. MELDOLA, F.R.S. W. RAMSAY, Ph.D., F.R.S. W. J. RUSSELL, Ph.D., F.R.S- J. MILLAR THOMSON, F.R.S.E. T. E. THORPE, Ph.D., F.R.S. I W. A. TILDEN, D.Sc., F.R.S. dbitm : C. E. GROVES, F.R.S. Sub- Qbitm : A. J. ~BEENAWAP. C. F. BAKER, Ph.D., B.Sc. A. 8. BLOXAX. C. H. BOTHAMLEY. I T . 8. COLMAN, Ph.D. If. CROMPTON. W. D. HALLIBUBTON, M.D., B.Sc., A. HARDEN, M.Sc., Ph.D. L. M. JONES, B.Sc. L. DE KOXINOE. A. R. LINU. 0. FORSTEB, Ph.D. F.R.S. A. LAPWOBTII, 11.S~. D. A. LOUIS. N. H. J. MILLEEI, P11.D.w. J. POPE. E. C. ROSSITER. M. J. SALTER. J. J. SUDBOROUBH, Ph.D., BSc. J. F. THORPE, P1i.D. J. B. TIWOLE, Ph.D. J. WADE, B.Sc. 8. T. MOODY, L),8C. L. J. SPENCER, M.A. 1896. Vol. LXX. Part 11. LONDON: GURNEY & JACKSON, 1, PATERKOSTER ROW.. 1896.LONDON - I~ABREIOSON AND soifs, PRINTERS IN OBDINA~EY TO HER NIJESTY, ST. UARTTN’S LANE.C O N T E N T S . ABSTRACTS OF PAPERS PC'BLISHED IN OTKER JOURNALS :- Geizeral ctnd Plzysical Chemistry. CROOKSS (KILLTAN). Spectrum of Helinni . . . . . . RUNGE (CARL) and F. PASCREN. The Constituents of the Gas from Clkveite . . . . . . . . . . . DORN (E.) and HUGO ERDXANK". Argon and its Fluorescence Spectrum . KAYSEE (HEIKRICH). Blue Spectrumof Argon . . . . . CBOOEES ( WILLIAM). Spectrum of Remsay's Compound of Carbon and Argon.. . . . . . . . . . . EDER (JOSEF M.) and A. VALENTA, . YOUNG (JANES) and CAAELES R. DARLIN~. Transferring Gases to Vacuum Tubes for Spectroscopic Examination . . . . . RIGOLLOT (H.). Action of the Infra-red Rays on Silver Sulphide . . SKINNER (SIDNEY). The Clark Cell when producing a Current . . SKINNER (SLDNEY). The Tin Chromic Chloride Cell . . . . MORISOT. New form of Battery . . . . . . . LE BLANC (MAX). Thermodynamics of Galvanic Polarisation . . DEWAR (JAMES) and JOHN A. FLEXING. Thernioelectric Powers of Metals . . . . . DEWAR (,JAMES) and JOHN A. FLEMING. Electrical Resistance of Bis- KRAKAU (ALEXANDER). Electrical Condnctiriiy and Dissociakion Tension of Palladium Hydride . . * . . . . ). . 'TAXXANN (GUSTAT). Influence of Presmre on the Electrical Conduc- tivity of Solutions .. . . . . . . . . ;XAHLESBERG (LOUIS). Complex Tartrates and Alkaline Solutions of Copper and Lead . . . . . . . . . . HERROUX (EDWARD I?.). An Iodine Voltameter for the Measurement of Small Cur~ents . . . . . . , . . . . 'SCTHERLAND ( WILLIAX). Fundamental Atomic Laws of Thermo- chemistry . . . . . . . . . . . . VIOLLE (JIJLE~). A~ASSOL (GUSTATE) and GUILLOT. Specific Heats of Superfused FbrmiE acids: apparatus for the Determination of the Specific Heat of Superfused Liquids . . . . . . . . . . ~LSZEWSEI (KARL). Determination of the Critical and Boiling Tempera- tures of Hydrogen . . . . . . . . . , LINEBARGER (CHARLES E.). Some relations between Temperakres, Pressure, and Latent Heat of Vaporisat'ion . . . .. KUENEN. The Condensation and Critical Plien~mena of mixtures of Ethane and Nitrous Oxide . . . . . . . . . . 'LEYOULT (PAUL). Thermochemistry of Cyanuric Acid . . . . LEYOULT (PAUL). Thermoctieminstry of Alkali Cyanurabes . , . ~UINCHAFT (J.). Zfeats of Combustion of some @-Ketonic Ethereal Salts BOIJFFARD (A.). Heat developed by Alcoholic Fermentation . . . Different Spectra of Mercury. . . . . . . . muth at Low Temperatures . , . . . . . Specific Heat of and Boiling Point of Carbon 1-2 PAGl E ii, 1 ii, 1 ii, 2 ii, 2 ii, 2 ii, 2 ii, 3 ii, 3 ii, 3 ii, 3 ii, 4 ii, 4 ii, 4 ii, 5 ii, 5 ii, 6 ii, G ii, 7 ii, 7 ii, 8 ii, 8 ii, 9 ii, 9 ii, 10 ii, 11 ii, 11 ii, 12 ii, 12i v CONTENTS. TA3fMAAN (GUSTAT). Dependence of the Volume of Solutions on Pressure . . . . .. . . . . . . STORTENBEEER (WILLEM). Solubility of Mixed Crystals . . . TECLU (NICOLAE). Estimation of the Velocity of Chemical Attrnction . HOITSEMA (C.). Equilibrium in the System HgO-S03--H,0 . . THOMSEN (JULIUS). The Colour of the Ions, a Function of the Atomic Weight . . - . . . . . . . . . THOlCZSEN (JULIES). Sapposed Croup of Inactive Elements . . . HILL (EDWIN A). . RIJN (J. J. L. VAN). New Extraction Apparatus . . . . . GUYE (PHILIPPE A.) and B. ROSSI. Dissociation of Optically Active Salts in Solution. . . . . . . . . . . HAMBURGER (PRIEDRICH). Colour Change of Dilute Solntions of Potas- sium Chromoxalate . . . . . . . . . . WIEDEMANN (EILHARD) and G. C. SCHMIDT. Emission of Light by Organic Substaiices in the Gaseous, Liquid, and Solid Conditions . HOLBORN (L.) and W.WIEW. Measurement of High Temperatnres . LE CHATELIER (HENRI). Some Melting and Boiling Points . . . MAQUENNE &SON). Expbsion of Endothermic Gases . . , . MATIGNON (CAMILLE) and DELTGNY. Nitro-substitutions . . , VARET (RAOUL). Combination of Mercuric Cyanide with Bromides . KPAFPT (FBIRDRICH) and W. A. DYES. Distillation with an Axtomatic Mercury Pumr . . . . . . . . . . . KOHLRAUSCH (FRIEDRICH). Density Determinations of extremely Dilute Solutions . . . . , . . . . . KLIMENKO (EUTHYXE) . Influence of Hydrochloric acid and Chlorides on the Photochemical Decomposition of Chlorine Water . , . THIELE (JOHANNES). Heating Apparatus for Drying Ovens . . . RIJN (J. J. L. VAN). A Modified Condenser . . , . . . MICHAELIS (HUGO). Modification of Liebig's Condenser.. . . EIJKMAN (JAN F.). Refractometric Observations . . . . . ETARD (ALEXANDRE L.). Molecular Origin of the Absorption Bands of Salts of Cobalt and of Chromium . . . . . . . NASINI (RAFFAELE) and G. GENNARI. Anomalous Rotatory Dispersion of Malic acid . . . . . . . . . . GCYE (PRILIPPE 8.) and C. GOEDET. New Examples of the Superposing of the Optical Effects of Two Asymmetric Carbon Atoms . . WALDEX (PAUL). Optically Active Derivatives of Succinic acid . . WALDEN (PAUL). Optically Active Derivatives of Phenplacetic acid : Optical Superposition . . . . . . . . . . WALDEN (PAUL). Optically Active Halogen Compounds . . . TREY (HEINRICH). The Birotation of Glucose. . . . . . WINTHER (CHR.). Theory of the Decomposition of Raceruic Com- pounds . . . . .. . . e . . . BORN ((3.). Flames and Iiluminating Bases . . . . . . LEwss (VIFIAN B.). Cause of Luminosity in the Flames of Hydrocarbon Gases . . . . . . . . . * . . OSTWALD (WILHELM) and TROR MARK. Red and Yellow Mercuric Oxides . . . . . . . . . . . . TOWEX (OLIN FREEMAN). Pproxide Electrodes . . . . . MEYER (GEORG). Potent,ial Differences between Metals and Electrolytes GOUY (A.). Electro-capillary Properties of Dilute Sulphiiric acid . . LEHMANN (OTHO). Passage of Electricity through Gases . . . LAN@ (ROBERT). Relation between the Dielectrical Constants of Bases and their Chemical Valency . . . . , . . . MALTBY (MARGARET E.). Determination of High Resistancea. . . BAUIL (A. E.). Determination of some Conductivities . . . . HOFB (JACOBUS W. VAN'T). The Dilution Law of Salts .. . . BARTOLI (ADOLFO) and ENBICO STRACCIATI. Specific Heat of Mercury Argon, Prout)s Hypothesis and the Periodic Law . PABR ii, 13 ii, 13 ii, 14 ii, 15 ii, 16 ii, 16 ii, 16 ii, 17 ii, 85 ii, 86 ii, 86 ii, 87 ii, 8T ii, 87 ii, 88 ii, 88 ii, 89 ii, 89 ii, 90 ii, 91 ii, 91 ii, 91 ii, 133 ii, 133 ii, 133. ii, 134 ii, 135 ii, 137 ii, 139 ii, 139 ii, 140 ii, 140. ii, 141 ii, 142 ii, 142 ii, 143 ii, 143 ii, 143 ii, 14% ii, 144 ii, 144 ii, 145 between0"and 30" . . . . . - . . . . -. ii, 145.CONTENTS, F B-~?LRTOLI (ADOLFO) and EXRICO SI RACCIATI. Specific Heztts of Platinum, Silver, Tin, Lead, and Copper . . . . . . . . LUGININ (WLADIMIR F.). Latent Heats of Vaporisation of Ketones and other Compounds . . . . . . . . . , BAUR (A. E.). Deterinication of Trausition Points.. . . , WATERXAN (I?. A.). Improved Calorimeter for the Application of the Method of Mixtures . . . . . . . . . . GRIPPITHS (ERNEST H.). Thermal Unit. . . . . . . PICKERING (P. SPENCER U.). Heats of Combination of Substances in the Liquid and Solid Conditions . . . , . , . . VARET (RAOUL). Combination of Mercuric Cyanide with Iodides . . VARET (RAOUL). Lithium, Magnesium, and Copper Cyanides. . . LOWENHERZ (RICHARD). Depression of the Melting Point of Sodium Sulphate by addition of Foreign Substances . . . . . ESTREICEER (THADDEUS). Pressure of Saturation of Oxygen. . . BATELLI (ANGELO). Thermal Properties of Vapours : Alcohol Vapour and its Relationship to the Laws of Boyle and Gay-Lussztc . WADDELL (JOHN). Vapour Preesure of Concentrated Solutions of Several Salts, especially Lithium and Calcium Nitrates .. . BILZ (HEINRICH). Deterniinatioii of the Molecular Weights of some Inorganic Substances . . . . . . . . . . BLANSHARD (CHARLES T.). Specific Volume and the acne& of the Elements . . . . . . . . . . . . TRAUBE (ISIDOR). Molecular Volumes . . . . . . . TRAUBE (ISIDOR). Molecular Volumetric Determination of Molecular Weights . . . . . . . . . . . . TRAUBE (ISIDOR). Molecular Voluinetric Method of Determining the Molecular Weight and Constitution . . . . . . . LAZARUS-BARLOW (W. S.). Initial Rate of Osmosis of Certain Sub- stances in Water and in Liquids containing Albumin. . . . L ~ A R (J. J. VAN). Formulm for Osmotic Pressure; Alterations of Solubility, Freezing Point and Boiling Point; and Heats of Solution and Dilution in Dissolved Dissociated Substances .. . . GORDON (VICTOR). Absorption of Nitrous Acid in Water and in Salt Solutions . . . . . . . . . . . . BEMMELEN ( JACOBUS M. TAN). The Partition Coefficients of Solutions in Liquid and Solid Substances . . . . . . . . PICKERING (P. SPEXCER U.). Sclf-recorded Breaks in the Properties of Solutions. . . . . . . . . . . . JONES (HARRY C.). Cryoscopic Relations of Dilute Solutions of Canc Sug:tr and Ethylic Alcohol . . . . . . . . . AUWERS (KARL). Relations between the Cryoscopic Behaviour of the Phenols and their Constitution . . . . , . . . PAT ERN^ (EMANUELE). Crjoscopic Behaviour of Substances having Constitutions similar to that of the Solvent . . . . . COLSON (ALBERT). Freezing of Solutions at Constant Temperature.. OARELLI (FELICE). Influence of Chemical Constitation of Organic Compounds on their Capability of Forming Solid Solutions . . SOYES (A~THUR AMOS) [and WALTER 0. SCOTT]. Thc Velocity Law of Polymolecular Reactions . . . . . , . . . KUSTER (FRITZ W.). NOYES (ABTHIJR AMOS) and WILLIAM J. HALL. Velocity of Hjdro: lysis of Salicin by Acids . . . . . . . . . GROTH (PAUL). Molecular Symmetry and Asymmetry . . . . FOCK (ANDREAS). Size of Crystalline Molecules . . . . . LEHMANN (OTHO). Running together and Healing of Crystals . . KBEIDER (D. ALBERT). Convenient Forms of Laboratory Apparatus , PULFRICH (CARL). A New Refractometer . . . . . . AXDERLINI (FRANCESCO). Atomic Refraction of Oxygen . . . LANDOLT (HANS HEIXRICH). Modified Form of Polarimeter for bhemi- cal Purposes .. . . . . . . . . A Rerersible Reaction of the First Order PAQE ii, 145 ii, 146 ii, 146 ii, 146 ii, 147 ii, 148 ii, 148 ii, 149 ii, 149 ii, 150 ii, 150 ii, 151 ii, 152 ii, 122 ii, 152 ii, 15-14 ii, 1.54 ii, 154 ii, 155 ii, 155 ii, 155 ii, 156 ii, 156 ii, 157 ii, 157 ii, 158 ii, 158 ii, 159 ii, 159 ii, 160 ii, 160 ii. 161 ii, 161 ii, 22% ii, 2301-i OOKTENTS. LIPPMANN (EDMUND 0. TO;?;). Cause of Birotation . . . . JAIIN (HANS). Loss of Energy of a Battery during Electrolysis . . CATTANEO (CARLO). Electrical Conductivity of Salts dissolred in Gl ycerol . . . . . . . , . . . . KELLNER (CAEL). Absorption of Acid and Alkali from Solut,ions by7 Platinum Black . . . . . . . . . . . LIRDE (C.). Production of very low Temperatures and Liquefaction of Gases .. . . . . . . . . . . . DIETERICI (EONRAD). Dependence of the Specific Heat of Water on the Temperature . . . . , . . . . . . LANXOY (S. DE). The Thermal Expansion of Salt Solutions . . . KAHLBAUM (GEORO W. A,). Normal Boiling Tube . . . . BLANSHARD (CHARLES T.). Boiling Point and the Genesis of the EIc- nients . . . . . . . . . . . . ZAMBIASI (GIULIO) . Phenomena observed a t the Critical Point . . ZAMBIASI (GIULIO). Disappearance of the Meniscus at the Critical Point TOEPLER (MAX). Gas and Vapour Density Determinations by means of a Pressure Balance . . . . . . . . . , 'rnAuslP: (ISIDOR). Extension of the Laws of Gay-Lussac and Arogadro to Homogeneous Liquids and Solid Substances . . . . . WOOD (R. W.). Degree of Dissociation at Zero Temperature.. . BECPMANN (ERNST), GOTTHOLD FUCHS, and VICTOR GERNHARDT. Determination of Molecular Weights. I11 . . . . , WOELFER (J.). Boiling Points of Solutions of Salts in Methylic and Ethylic Alcohols. . . . . . . . . . . AXPOLA (G.) and C. MANUELLI. . HARCOURT (A. G. VERNON) and WILLIAM Esso~. Laws of Connection between the Conditions of a Chemical Change and its Amount. 111. Further Researches on the Reaction of Hydrogen Dioside and Hydro- gen Iodide . . . . . . . . . . . . &TIOLATI (ARTURO). Stability of Imides of Dibasic acids . . . MIOLATI (ARTURO) and E. LONGO. Stability of Substituted Succinimides LEY (HEINRICH). Reaction Belocity of Intramolecular Changes in Stereo- isomeric Oximes . . . . . . . . . . . TAXMAN (GUSTAV). Action of Unorgmised Ferments .. , . LADENBURG (ALBERT). Molecular Symmetry and Asymmetry . . KAHLBAUX (GEORG W. A.). The so-called Liebig's Condensel- . . GUQLIELMO (GIOVANNI). Modification of Mohr's Balance and a simple Apparatus for Neasuring the Volumes of Solids . . . . LEMOINE (GEORGES). Relation between the Intensity of Light and its Action on Mixtures of Ferric Chloride and Oxalic acid . . . ZECCHINI (F.). New Molecular Refraction Formula . . . . KRUSS (GERHARD). Relations between the Composition and the Abso1.p- tion Spectrum of Organic Compounds . . . . . . NASINI (RAFFAELE) and G. GENNARI. Anomalies in the Rotatory Dis- persion of Malic acid . . . . . . . . . . GESNARI (G.). Rotatory Dispersion of Nicotine and its Salts . . . GERNEZ (DBsIRB). Rotatory Power of Superfused Rhamnose .. . EDER (JOSEF MARIA). Flames and Illuminating Gases . . . . WIEDEMANN ( EILHARD) and GERHARD CARL SCHMIDT. Luminosity of Pure Inorganic Compounds and of Solid Solutions . . . . RATZ (FLORIAN) . Dependence of the Dielectric Constant on Temperature and Pressure . . . . . . . . . . . HTORCH (LUDWIG). The Dilution Law of Electrolytes . . . . TAXMANN (GUSTAT). Specific €feats of Solutions . . . . . DUDLEY (WILLIAM L.). Relationship of the Heats of Vaporieation of Gases to their Density and also to their Boiling Points . . . SPRING (WALTH~RE) . Physical Alferation of certain Sulphur Compounds a t Temperatures below their Melting Points . . . . . SCIINEIDER (BEBNHARD TON). Melting Points of Organic Compounds . Use of Bromoform in Cryoscopy . PAGE ii, 230 ii, 230 ii, 23L ii, 232 ii, 232 ii, 232 ii, 233 ii, 233 ii, 233 it, 234 ii, 234 ii, 235 ii, 235 ii, 236 ii, 236 ii, 237 ii, 238 ii, 238 ii, 24.2 ii, 242 ii, 243 ii, 243 ii, 244 ii, 244 ii, 244 ii, 285 ii, 285 ii, 285 ii, 285 ii, 286 ii, 287 ii, 287 ii, 287 ii, 288 ii, 288 ii, 289 ii, 289 ii, 290 ii, 290CONTENTS.rii PAGE WILDERMANN (ME JER). Apparent and true Freezing Points, and Freez- ing Point Methods . . . . . . . . . . ROLOFF (MAX). Method for the Determinatioii of tho Freezicg Points of Concentrated Solutions . . . . . . . . . NERKST (WALTHER) and RICHARD ABEOG. The Preezing Points of Dilute Solutioiis . . . . . . . . . . . GARELLI (FELICE). Exceptions to the Lam of Freezing Point Depi*essions GARELLI (FELICE). Cryoscopic Behaviour of Substances of Similai- Con- stitution to the Solvent .. . . . . . . . AUWERS (KARL) [and W. R. INNES]. The Cryoscopic Behaviour of MOISSAN (HENRI) and HENRI GAUTIER. New Mkhod for the Deter: RIrLLER-E&ZBACH ( WILHELM) . Vapour Tension of Hjdrated Salts and the Constitution of the Combined Water . . . . . . KOHLRAUSCH (PEIEDRICH). The Dilution Law of Salt Solutions . . JAKOWKIN (A. A.). . SCHLUNDT (HERMANN). Chemical Kinetics of Oxidation. i. Speed of Liberation of Iodine in Mixed Solutions OP Potassium Chlorate and WARDER (ROBERT B,). Chemical Einetics of Oxidation. i1. Mathe- matical Theory of Oxidation Processes . . . . . . MARKOWNIPOFF, WLADIMIR. Mixer for accelerating Chemical Reactions WALTER (JOHANN). Pressure Tube for Laboratory Experimencs . . LE BLANC (MAX) and P. ROHLAND. Influence of Electrolytic Dissocia- tion, kc., on the Molecular Refraction .. . . . . M PGRANINI (GAETANO). Absorption Spectra of Some Chroinocyanates . BAYRAG (PIERRE HEIRI) and CH. CAMICHEL. Absorption of Light by Solutions of Indophenols . . . . , . . . WIEDENANN (EILHARD) and GERHARD CARL SCHYIDT. Fluorescence of Sodium and Potassium Vapour and its Importance in Astrophysics . PESCETTA (Mos2). Specific Rotation of a-Nitrocamphor in Various Solvents . . . . . . . . . . . . TAKRET (CHARLES). Multirotatioii of Reducing Sugars and of Isodul- citol , . . . . . . . . . . . . VIOLLE (JULES). Acetylene as a Photometric Unit . . . . LE BON (GUSTAVE). Dark Radiations . . . . . . . PERRIER (JEAIV). Properties of Rontgen Rays . . . . WIEDEXANN (EILHARD) and GERHARD CARL SCHMIDT.Discharge Phenomena in Rarefied Metallic Vapours . . . . . , BEKETOFF (NIKOLAI N.). Molecular Conductivity of Dilute Solutions , BREDIG (GEORG). Thermal Conductivity and Ion Velocity , , . AarAaAT (EXILE EXLAIRE). Specific Heats of Gf-ases and Properties of Isot hermals . . . . . . . . . . . GRIFFITHS (ERNEST HOWARD) md DOROTHY MARSHALL. Latent Heat of Evaporation of Benzene. . . . . . . . . MARSHALL (DOROTHY) and WILLIAM RAMSAY. Method of Comparing directly the Heats of Evaporation of different Liquids at their Boiling Points . . . . . . . . . . . . TAPSILLY. Strontium and Calcium Iodides . . . . . . LE CHATELIER (HENRY LOUIS). Heats of Formation of Manganese Com- pounds . . . . . . . . . . RONOWALOFF (DMITRI P.). Soiubility of Gases . . . . . WILDERMANN (MEJEB).Experimental Proof of the Laws of wn’t Hoff, Arrhenius, Ostwald, and Dalton for Dilute Solutions . , , . ZAXNINOTICH-TESSARIN (HUGO). Electrolytic Dissociation in Formic acid Solutions . . . . , . . . . . . KERKST (WALTHER) and RICHARD ABEGG. Freezing Points of Dilute Solutions . . . . . . . . . . . . Substituted Phenols in Naphthalene , * . mination of the Density of Oases . . . . . . Partition of a Substance between two Solvents STORCH (LUDWIG). Course of Chemical Reactions in Gases . . Hydrochloric acid . . . . . . . . . ii, 290 ii, 291 ii, 292 ii, 292 ii, 292 ii, 293 ii, 294 ii, 295 ii, 295 ii, 295 ii, 296 ii, 297 ii, 295 ii, 297 ii, 297 ii, 345 ii, 3%5 ii, 346 ii, 345 ii, 346 ii, 347 ii, 343 ii, 347 ii, 347 ii, 348 ii, 348 ii, 348 ii, 349 ii, 349 ii, 349 ii, 350 ii, 350 ii, 351 ii, 351 ii, 352 ii, 352...YIll CONTENTS . LOOXIS (E . H.). Freezing Points of Dilute Aqueous Solutions . . Looms (E . H.), Determination of the Freezing Points of Dilute Solu- tions . . . . . . . . . . . . . AI~CTOWSKI (HENRTK) . Solubility at the Solidifying Point of the Solvent . . . . . . . . . . . . HERTLEIN (HANS) . The Polythionates . . . . . . . TRAUBE (ISIDOR) . Moieculax Solution Volumes and Molecular Volumes of Organic Compounds . . . . . . . . CHININELLO (V.). Velocity of Reaction between Ethylic Jodide and' Silver Nitrate in Ethylic and Methylic Alcohola FLAVITZKY (BLAVIAN M.). Function correflponding with the Periodicity . . . . . . . KURBATOFF (A.). Extraction Apparatus for Liquids . . . . OSSIPOFP (IWAN P.). Lecture Experiment : Combustion of Oxygen in Ammonia .. . . . . . . . . . . PAT. MER (A . DE FOREST) . Wave-length of the I), Helium Line . . EDER (JOSEF MARIA) and E . VALENTA . Three different Spectra of UONNAN (FREDERICK GEORGE) . Electrolytic Dissociation and Ligb t Absorption . . . . . . . . . . . . BECQUEREL (HENRI) . Phosphorescent Radiations . . . . NOVAK (V.) and OTTOKAR BULC . Absorption of Rontgen Rays by Chemical Compounds . . . . . . . . . . RICHARD (GEORGES ADOLPHE) . Colour Photography : Substitiition of Oi*ganic Colmring matters for the Reduced Silver of Photographic Proofs . . . . . . . . . . . . DELVALEZ (GI.. ). Parasite Electrodes . . . . . . . CHESNEAU (GABRIEL) . Temperature of the Sparks produced by Uranium . . . . . . . . . . . . ALTSCHUL (MICHAEL) .Optical Method of determining the Critical Temperature . . . . . . . . . . . QUINAN (W . R.). Physical Aspects of Argon : the Ideal Thermometrical Substance for High Tempemtures . . . . . . . LINEBARGER (CHARLES ELIJAH) . Vapour Tensions of Mixtures of RIVALS (PAUL) . Thermochemistry of Chlorobenzoic acid and some of its Derivatives . . . . . . . . . . . RIT-ALS (PAUL) . Thermochemistry of the Amides and Ammonium Salts of some Chloro-acids . . . . . . . . . . SPEYERS (CLARENCE LIVINGSTONE) . Heats of Solution of some Carbon Compounds . . . . . . . . . . . . TXAUBE (ISIDOR) . Molecular Volumetric Method of determining the Molecular Weight . 111 . . . . . . . . . . BILTZ (HEINRICH) . Determination of the Molecular Weights of some Inorganic Compounds . . .. . . . . . . L O V ~ N (JOHAN MARTIN) . Affinity Constants of some Organic Acids . LOVEN ( JOHAN MARTIN) . Chemical Equilibrium in Ammoniacal Solutions of Magnesium Salts . . . . . . . . . . MEYERHOFPER (WILHELM) . Reciprocal Salt Pairs . . . . . SALZER (THEODOR) . Water of Crystallisation . . . . . DIERBACH (R.). A New Bunsen Burner . . . . . . . BERLEXOXT (G.). A New FractionatingColumn . . . . . PRECHT (J.). Modification of von Babo's Water Mercury Pump for the Production oE High Vacua . . . . . . . . EBNER (VICTOR VON) . Reversal of the Double Refraction of Gelatin- producing Tissues by Various Reagents . . . . . . . . . . of the Properties of the Elements ORTLOFF (W.). Eutropic Series . . . . . . . . Argon . . . . . . . . . . . . . Volatile Liquids . . . .. . . . . . . POXSOT (A.). Cryoscopic Investigations . . . . . . . QENNARI (G.). Velocity of Hydrolysis in Organic Solvents . . . LON@ (JOHN HARPER). Inversion of Sugar by Salts . . . . PA0 E ii. 352 ii. 353 ii. 353 ii. 353 ii. 354 ii. 354 ii. 355 ii. 355 ii. 355 ii. 356 ii. 405 ii. 405 ii. 405 ii. 406 ii. 406 ii. 406 ii. 407 ii. 407 ii. 407 ii. 407 ii. 408 ii. 405 ii. 410 ii. 410 ii. 411 ii. 411 ii. 412 ii. 412 ii. 413 ii. 413 ii. 414 ii. 414 ii. 415 ii. 415 ii. 415 ii. 415 ii. 457CONTENTS, FRIEDLANDER (SIEQFRIED). Argon . . . . . . . WOOD (R. W.). Absorption Spectra of Iodine and Bromine Solutions above the Critical Temperature of the Solvent . . . . . GUYE (PRILIPPE A.) and CHARLES GOUDET. Optical Superposition of Six Asymmetric Carbon Atoms in the same Active Molecule .GUYE (PmLIPrE A.) and CHARLES JORDAN. Rotatory Dispersion of Non-polymerised Active Liquids. . . . . . . . NAMIAS (RODOLFO) . Photochemistr? and Thermophotocliemistrp . KENRICK (FRANK B.). The Potential Difference between Gases and Liquids . . , . . . . . . . . ~ H L E (RUDOLF). Catalytic Action of Nitrous acid and the Potential oi Nitric acid . . . . . . . . . . . , STREINTZ (FRANZ). Polarisation and Resistance of u Galvanic Cell. . SCHOOP (PAUL). Measurement of the Electrochemical Forces of Accumu- lators . . . . . . . . . . . . . LUTHER (ROBERT). Electromotive Force and Partition Equilibrium . WALKER (MILO S.). Use for Laborat0r.y Purposes of the Electric Arc from the Low Potential Alternating Current . . . . . JONES (HARRT CLARY) and CHARLES R.ALLEX. Condustivity of Yttrium Sulphate . . . . . . . . . JONES (HARRY CLARY) and CHARLES R. ALLEN. Conductivity of Solu- tions of Acelylene in Water . , . . . . . . SCHALL (JOHN FRIEDRICH CARL). Dewease of Conductivity when the Water of Solution is replaced by Alcohol . . . . . . KORTRIGHT (FREDERICK L.). Heats of Electrolytic Dissociation of some Acids. . . . . . . . . . . . . IHLE (RUDOLF). Formation of Ammonia by the Electrolysis of Nitric acid . . . . . . . . . . . . . ZSIGNONDY (RICHARD). Absorption of Radiant Heat by Liquids . . KRAFFT (FRIEDRICH) and H. WEILANDT. Boiling Points in the Cathode- light Vacuum . . . . . . , . . . , TASSILT,Y. Thermocheulistry of Oxybroniides and Oxychlorides of the Calcium Group . . . . . . . . . . . GUINCHANT (J.). Heats of Combustion of Cyanogen Derivatives .. TANATAR (SIXEON M.). Heats of Solution and Neutralisation of Nitro- carbamide . . . . , . . . . . . . STOHMANN (FRIEDRICH CARL ADOLF) and RAYMUND SCHMIDT. Thermo- chemistry of Hippuric acid, of its Homologues, and of Anisuric acid. JOXES (HARRY CLARY) aiid CHARLES R. ALLEN. Vse of Phenol- phtfialeln in illusti.ating the Dissociating Action of Water. . . KRAFFT (FRIEDRICR) and A. STRUTZ. Behaviour of Soap-like Sub- stances i n Presence of Water. V. . . . . . . . KRAFFT (FRIEDRICH). A Theory of Colloidal Solutions , . . . GARELLI (FELICE). Solid Solutions formed by Non-isoinorphous Sub- stances . . . . . . . . . . . . TAFEL (JULIUS). Indirect Etherificetion. . . . . . . NOYES (ARTHUR AMOS). Catalytic Action of Hydrogen Ions in Poly- molecular Reactions .. . . . . . . . . WAGNER (MAX). Decomposition Velocity of Acids containing Sulphur and Nitrogen . . . . . . . . . . . G OLDHAMMER (DMITRI A.). Analytical Represeutation of the Periodic Sjstem of the Elements . . . . . . . . . TRAUBE (HERMANN). Optical Rotatory Power of Substances in tho Crys- talliue and Liquid states . . . . . . . . . LINEBARGER (CHARLES ELIJAH). The Dielectric Condmt of Liquid Mixtures . . . . , . . , . . . . SOKOLOFF (ALEXEI P.). Electrolysis of Water . . . . . TOMASSI (DONATO). New Electrolytic Apparatus . , . , . CARRARA (GIACOXO). Electrolytic Dissociation in Solvents other than Water . . . . . . . . . . . . . PAGE ii, 457 ii, 458 ii, 433 ii, 439 ii, 450 ii, 460 ii, 460 ii, 460 ii, 461 ii, 4til ii, 462 ii, 462 ii, 463 ii, 463 ii, 46-1.ii, 46& ii, 464 ii, 465 ii, 4% ii, 4Cti ii, 466 ii, 4ti7 ii, 4C7 ii, 4fB ii, 460 ii, 4 i O ii, 470 ii, .ti0 ii, 471 ii, 509 ii, 509 ii, 310 ii, 511 ii, 511x CONTENTS. SALVADORI (ROBERTO). Variation of Electrolytic Dissociation with Temperature : Freezing and Boiling Point Determinations of Aqueous and Nethylic Alcoholic Solutions of Chlorides . . . . . HAGENBACH (AUGUST). Thermo-elements of Amalgams and Electrolytes VARET (RAOUL). Thermochemistry of Nickel Cyanide . . . . ROG~YSKI (K.) and GIJSTAV TAXMANN. Adiabatic Voiume Changes in Solutions . . . . . . . . . , . e T ~ ~ ~ ~ ~ ~ ~ (ALEXANUR A.). Dissociation of Halogen Salts . . . ZOPPPLLARI (I.). Freezing of Dilute Solutions . . . . . ZorrmLaRI (I.). Cryoscopic Behaviour and Composition of some Ace- tates of feeble Eases .. . . . . . . . . GOLDSCHMIDT (HEINRICH) and R. U. REINDERS. Reaction Velocitj in the Conversion of Diazosmido- into Amidoazo-derivatives . . . WOOD (R. W.). A New Form of Mercury Air-pump . . . . POSTOI~EPF (J. J.). Automatic Apparatus for Filtration at High Tem- peratures . . , . . . . . . . . . WALDEN (PAUL). Chnracterisation of Optically Active Substances . . FREUKDLER (PAUL). Chlorinated Ethereal Tartrates . . . . IHLE (RUDOLF). Action of Nitrous acid in a Grove’s Element . . WARREN (HENRY NEPEAN) . A Non-sulphating Phospho-accumulatoi* . OETTEL (FELIX). Electrolysis of .Hydrogen Chloride without a Mem- brane. . . . . . . . . . . . . X~CTNTOSH (DOUGLAS). Calculation of the Conductivity of Mixtures of Electrolytes having a common Ion .. . . . . . LAszczmsxI (ST. TON). Conductivity of Solutions of some Salts in Acetone . . . . . . . . . . . LASZCZYNSKI (ST. VON). Electrolysis of Solutions of Salts in Acetone . HEMPEL (WALTHER). Estimation of the Heat of Combustion of Fuels . GOLCSCHXIDT, (HEINRICH) and R. U. REINDERS. Reaction Velocity of the Conversion of Diazoamido- into Amidoazo-derivatives . . . LICHTY (D. M.). Etherification of substituted Acetic acids . . . FREER (PAUC C.). Apparatus for Distillation in a Vacuum . . . HIQLEY (GEORGFB 0.) and B. J. HOWARD. Apparatus for Electrolysis of Hydrochloric acid . . . . . . . , . , PICKEL (J. M.). Lecture Experiment : Electrolysis of Hydrochloric acid . . . . . . . . . . . . . FahER (PAUL 0.). Apparatus for demonstrating that Two Volumes of Hydrogen and One Volume of Oxygen form Two Volumes of Water CAPXEGFIE (DOUGLAS JOHX) and H.WALES, Voltmetric Composition of Ammonium Chloride . . . . . . . . . GRAXONT (ARNAUD DE). Spectrum of Phosphorus in Fused Salts and GRAMONT (ARNAUD DE). Dissociation Spectra of Fnsei Salts of Alkali Metals. . . . . . . . . . . . . RICHAPZ (FRANZ) and CARL LOXNES. Convection Currents . . . BUCHERER (ALFRED H.) . Electromotive Force and Partition Equilibrium TOWER (OLIN FREEMAN). Potential Differences a t the Surface of Con- tact of Dilute Solutions . . . . . . . . . LOEENZ (RICHARD). Electrolytic Deconiposition of Fused Zinc Chloride LOWEXHERZ (RICHARD). Influence of Etliylic Alcohol on the Electrolytic Dissociation of Water . . . a . . . . VILDERMASN (MEJER).New Method of Determining Freezing Points . ABEQG (RICHARD). Freezing Point Depressions in very Dilute Soluticjns Eli-ALS (PAUL). Etliylic Salts of the Chloracetic acids . . . . RIVALS [PAUL). Acetsl and Chloraeetal . . . . . .) . MARSHALL (DOROTHY). Heat of Vaporisation of Formic acid. . . STACKELBERQ (ED. vox). , ALOY (J.). Thermochemistry of Uranium Conipounds . . . . CAYALIEH, (J.). Measurement of the Heat of Formation of Triethylic Vapour . . . . . . . . . . . certain Metallurgicid Products . . . . . . . Heat of Di~eolution of Sodium Chloride . PAGE ii, 512 ii, 513 ii, 513 ii, 513 ii, 514 ii, 514 ii, 515 ii, 515 ii, 516 ii, 516 ii, 553 ii, 553 ii, 554 ii, 554 ii, 555 ii, 556 ii, 555 ii, 556 ii, 556 ii, 556 ii, 557 ii, 557 ii, 557 ii, 55’7 ii, 558 ii, 558 ii, 585 ii, 585 ii, 585 ii, 586 ii, 586 ii, 586 ii, 587 ii, 587 ii, 587 ii, 588 ii, 5’38 ii, 589 ii, 589 ii, 589COXTENTS.Xi Phospliate by the Action of Phosphorus 0x-j-chloride on Sodium Etlioxide . . . . . . . . . . . . ROBERTS-AUSTEN (WILLIAY CHASDLER). Diffusion of Metals . . JAKOWKIN (ALEXAKDR A.). Relation between Osmotic Pressure and tho Law of Active Moiecules . . . . . . . . . C'OHEN (EKNST). The Course of Chemical Reactions in Gases . . . ROTHXUND (VICTOR). Inff iience of Pressure on Reaction Velocities . LEA (MATTREW CAREY). Xcw Relations betvieen the Atomic Weights of the Elements . . . . . . . . . . WALDEN (PAUL). Optical Rotation of Stereoisomerides . . . . COLLIE (JOHN NORMA") and WILLIAX RAMSAY. Behaviour of Argon and Helium when submitted to the Electric Discharge .. . Lovfx ( JOHAX MARTIN). Temperature Coeficient of the Electromotive Force of Silver Cells . . . . . . . . . . KRAFFT (FRIEDRICH) and H. WEILANDT. Sublimation Temperatures in the Cathode-light Vacuum . . . . . . . . . ARCTOWSKI (HENRYK). Solubility of Solids in Gases . . . . ARCTOWSKI (HENRYK). Sublimation Velocity of Mercury Halo'id Salts . AI~CTOWSKI (HENRYK). Sublimation Tension of Iodine . . . . PONSOT (A). Determination of the Freezing Point of Dilute Aqueous Solutions . . . . . . . . . . . . TOLLOCZEO (ST.). Influence of Chemical Affinity on Solubility . , TOLLOCZKO (ST.). The Lowering of Solubility. . . . , . STACKELBERG (ED. TON). Influence of Pressure on Solubiliky. . . GOLDSCIIMIDT (HEINRICH). Etherification . , . , .. PBTERSEN (ExIL). Indirect Etherification . . . . . . LEA (MATTHEW CAREY). Relationships between the Colours of Atoms, Ions, and Molecules. 11. . . . . . . . . . DEBUS (HEIKRICH). The Origin of Dalton's Atomic Theory . . . LORENZ (RICHARD). Twin Elements . . . . . . . SALORION (FRITZ). Simple Method of Reducing Weight in Air to Weight in aVacuum . . . . . I . . . . Iwwgalnic OhernGstry. LOREFZ (RICHARD). Conversion of Chlorine into Hydrogen CLloride . ARCTOWSKI (HENRYE). Crystallisation of Bromine . . . . CLETER (A.) and WILHELM MUTHMANN. Compound of Selenium and Arsenic . . . . . . . . . . . . KAYSER (HEINRJCH). ETelium and Argon . . . . . . RAMSAY (WILLIAM). A Yossib!c Cornpound of Argon . . . . MARCHETTI ((3.). Fluorides and Oxyfluorides of Potassium . . . HUGOT (C.).Some Alkali Phospliides . . . . . . . RICHARDS (THEODORE W.) and ELLIOT F. ROGERS. Deterinination of the Atomic Weight of Zinc . . . . . . . . LORENZ (RICHARD). Electrolytic Preparation of Zinc and Lead . . SCHULZE (JuL.). Chromates and Dichromates of the Hea\-y Metals . PETTERSSON (OTTO). Carbides of the Metals of the Rare Earths . . MOURLOT (A.). Crystallised Anhydrous Manganese Sulphide . . . THOMAS (V.). Compoupds of Ferrous Chloride with Nitrous Oxide . MILL~R (ALFRED S.). Ammonia and the Chlorides of Iron . . . RECOURA (ALBERT). ChromiumSulphate . . . . . TANDENBERGHE (AD.). Molybdenum Dihydroxycldoride . . . STAVENHAGEN (ALFRED) and E. ENGELS. Molybdenum Bronzes . . LORENZ (RICHARD). Preparation of Tin Tetrachloride in large qunn- tities . . . .. . . . . . . . . , GOYDER (GEORGE A.). Chemistry of the Cyanide Process for the Extrac- tion of Gold from its Ores . . , . . . . . . SPRJNG (~TAI+TH&RE). Decomposition of Hydrogen Peroxide . . . PdGE ii, 590 ii, 590 ii, 593 ii, 593 ii, 593 ii, 594 ii, 633 ii, 633 ii, 635 ii, 636 ii, 635 ii, 635 ii, 636 ii, 636 ii, 636 ii, 636 ii, 637 ii, 6314 ii, 6:s ii, 639 ii, 639 ii, 638 ii, 640 ii, 17 ii, 17 ii, 18 ii, 19 ji, 2 0 ii, 20 ii, 21 ii, 21 ii, 22 ii, 24 ii, 25 ii, 25 ii, 2G ii, 26 ii, 27' ii, 2'7 ii, 28 ii, 28 ii, 28 ii, 92xii CONTENTS. VITALI (DIOSC )RIDE). Action of Hydrogen Peroxide on Ammoniacal Copper Compounds, preparation of Oxygen. . . . . . BRUXCE (OTTO). Formation of Ozone . . . . . . . HANTZSCH (ARTHUR R.) and WILLIAM SEMPLE. The so-called Oxy- sulphazotic acid or Nitrosodisulphonic acid.. . . . . HANTZSCH (ARTHUR R.). Dinitrososulphonic acid (Nitroxysulphurous a c i d ) . . . . . . . . . . . . . P~LABON (H,). Formation of Hydrogen Selenide . . . . . STAUDENYAIER (LUDWIG). Tellurium SPRING (WALTH~RE). A Hydrate of' Arsknic 'Trisiphide a i d it; SZARVASY (EMERICH). New Compound of Arscni:: and Selenium, and of Arsenic, Selenium, and Sulphur . . . . . . . . LARGLET (N. A,). Atomic Weight of Helium. . . , . . TROOST (LOUIS J.) and LLON V. R. OUVRARD. Combination of Mag- nesium with Argon and with Helium. . . . . . . R~YLEIOH (LORD) and WILLIAM RAXSAY. Argon, a new Constituent of the Atmosphere . . . . . . . . . . . SENDERENS (J. B.). Singular Case of Metallic Precipitation , . WETAS (HORACE L.) andE. B.HURLBUR'P. Double Halogen Salts oi Ammonium and Copper . . . . . . . . . FREY (He.). Formationof Nickel Carbonyl . . . , . . WELLS (HORACE L.) and B. B. BOLTWOOD. Double Salts of Caesium Chloride with Chromium Trichloride and Uranyl Chloride . . BROWN (ANOS P.). . PHILLIPS (FRANCIS C.) . Possibility of the Occurrence of Hydrogen and Methane in the Atmosphere . . . . . . . . MEYER (VICTOR) and WILEELX RAUX. Combination of Hydrogen with Oxvgen . . . . . . . . . . . BBUHL (JUL~US W.). Hydrogen Peroxide . . . . . . BRUHL (JULIUS W.). Constitution of Water, and the Cause of its Dis- sociating Power . . . . . . . . . . . WHITEHEAD (CABELL). Separation of Tellurium from Copper Residues. SXITH (EDGAR F.) and JOSEPH G. HIBBS. Action of Gaseous Hydro- gen Chloride on Salts of the Elements of t.he Fifth Group of the Pei+iodic System .. . . . . . . . . . SMITH (EDGAR F.) and FRED L. MEYER. Action of Gaseous Hydrogen Chloride 011 the Salts of the Hlements of the Fifth Group of the Periodic System. . . . . . . . . . . WANKLYN (J. ALFRED). Data for Ascertaining the True Atomic Weight ofcarbon. . . . . . . . . . . . MOISSAN (HZENRI). Varieties of Graphite . . . . . . WILDE (HENRY). Helium and its Place in the Natural Classification of Elementary Substances , . . . , . . . . ECHLCESING (TH., jun.). Estimation of Argon . . . . , COHEN (ERNST). golubility of Silver Halogen Salts in Various Solvents . BRUGELXANN (G.). Prepartttion of Lime and Strontia Crystals , . DUFAU (E.). Normal Calcium Chromite . . . . . LEBEAU (PAUL). Preparation of Pure Berylliuni Oxide from Emerald .HART (EDWARD). Purification of Beryllium Salts , . . . . LEBEAU (PAUL). Beryllium Carbide , . . , , . . HENRY (LOUIS). Beryllium Carbide . . . , . . . ~URNAKOFF (NICOLAI). Constitution of Metallic Bases . . . . CEAEPY (GEORGES). Mechanical Properties of Alloys of Copper and Zinc . . . . 1 . . . . . . . CAXPBELL (EDWARD D.). Oxidation of some Gases with Palladinised Copper Oxide . . . . . . . . . . . ENGEL (RODOLPHE). Action of Hydrochloric acid on Copper. . . AUDEN (H. A.) and GILBERT J. ~?OWLEH. Act,ion of Nitric Oxide on Certain Salts . . . . . . . . . Decomposition by Pressure. . . . . . . . Cliemical Behaviour of Pyrites and Marcasite . PAGE ii, 02 ii, 93 ii, 95 ii, 96 ii, 96 ii, 96 ii, 97 ii, 98 ii, 99 ii, 99 ii, 99 ii, 106 ii, 107 ii, 107 ii, 107 ii, 108 ii, 162 ii, 162 ii, 162 ii, 163 ii, 16% ii, 164 ii, 164 ii, 165 ii, 165 ii, 165 ii, 166 ii, 167 ii, 167 ii, 167 ii, 168 ii, 168 ii, 169 ii, 169 ii, 170 ii, 170 ii, 171 ii, 171 ii, 172CONTEXTS.*.. xi12 OSMOSD (FLORIS). Tempering of Very Hard Steel . . . . . BRAITEWAITE (ISAAC). Reduction of Iron Oxides by Carbonic Oxide . MOISSAN (HENRI). Action of Silicon on Iron, Chromium, and Silver . BENNEFILLX (JAMES S. DE). Some Alloys of Iron with Molpbdennrn. Tungsten, and Chromium . . . . . . . . . BENNEVILLE (JAMES S. DE). Two Definite Carbides of Iron with Chro- mium (Moljbdenumand Tungsten) . . . . . . . ROSELL (CLAUDE A. 0.). The Ferrates . . . . . . . VIGOUROUX. Nickel and Cobalt Silicides. . . . . . . GROSVEYOR (WILLIAM M., inn.).New Solvents for Perchromic Acid . SMITH (EDGAR 3.) and 3. B~ERRITT MATTHEWS. Uranium Oxynitride and Uranium Dioxide. . . . . . , . . . FOERSTER (FRITZ). Alloys of Copper and Tin . . . . . PICCINI (AGGUSTO). Action of Hydrogen Peroxide on Fluorides ant1 OxSfluorides . . . . . . . . , . . WELLS {HORACE L.) and H. W. FOOTE. Double Fluorides of Caesium and Zirconium . . . . . . . . . . . SMITH (EDGAR F.) and HAIZRP B. HARRIS. Action of Phosphorus Pen- tuchloride on Zirconium and Thorium Dioxides. . . . . PALMAER (WILEELM). Iridioammonium Compounds , . , . TKOXSEN (JULIUS). Ratio of the Atomic Weights of Oxygen and Hydrogen . . . . . . . . . . . . PHIPSON (THOMAS L.). Origin of Atmospheric Oxygen . . , . PERATONBR (ALBERTO) and GIUSEPPE ODDO. Decomposition of some Trinitrides .. . . . . . . . . . . NASINC (RAFFAELE). Argon . . . . . . , . . EDWARDS (ARTHUR M.). Solubility of Silica . . . , . . ODDO (GIUSEPPE) and E. MANZELLA. Italian and other Cements . . ODDO (GIUSEPPE) and E. MANZELLA. The Setting of Cements . WARREN (HENRY N.). Manufacture and Commercial Separation of Beryllium . . . . . . . . . . . FUXK (ROBERT). Sulphur and Carbon in Zinc . . . . . KASSNER (GEORG). Orthoplumbates of the Alkaline Earths . . . GRUTZNER (BRUXO) and M. HOHNEL. Metaplumbates of tile Alkaline Earths . . . . . . . . . . . . MAURO (FRANCESCO). Thallous Fluoroxyniolybdate and Fluorox~hypo- molybdate . . . . . . . . . . . , FRANFOIS (MAURICE). Action of Phenol on Mercurous Iodide . . BOISBAUDRAN (PAUL E. LECOQ DE). Probable new Element in Terbix .VIUOUROUX. Manganese Silicide . . . . . . . . WARREN (HENRY N,). Electro-dissolution and its Uses . . . . ANTONT (UBALDO) and Gt. GIGLIO. Hydrolytic Decomposition of Ferric Chloride . . . . . . . . . . . . &roEsER (LUDWIG). Salts of Ferric acid . . . . . . , COSSA (ALPONSO). Platosomonodiamine Compounds . . . . CLEVEB (A.) and WILHELM MUTHMANN. Nitrogen Sulphide . . TROOST (LOUIS JOSEPH) and L ~ O N VICTOR R&N& OUVRARD. Origin of the Argon and Helium in the Gas from Sulphuretted Waters . . BOUCHARD. Origin of the Argon and Helium in the Gas from Sulphu- retted Waters . . . . . . . . . . MOUREU (CHARLES). Argon and Helium in a Mineral Water. . . LIMB (CLAUDIUS), Separation of Atmospheric Argon and Nitrogen . MAQUENNE (LBoN). Combination of Nitrogen with Metals of the Alkaline Earths .. . . . . . . . . , ROSSEL (A.). Combination of Nitrogen with Metals . . . . DESLANDRES (HENRI). Absorption of Xtrogen br Lithium at the GTTKTZ (ANTOINP). Lithium Subchioride . . . . . . SPRING (WaLTakREj. Influence of Time 0 1 1 the Welding of Pressed Chalk . . . . . . . . . . , , . Ordinary Temperature . . . . . . . . PAQE ii, 172 ii, 173 ii, 173 ii, 174 ii. 175 ii, 175 ii, 176 ii, 177 ii, 177 ii, 177 ii, 178 ii, 1'79 ii, 1'70 ii, 179 ii, 2& ii, 245 ii, 245 ii, 245 ii, 246 ii, 246 ii, 248 ii, 247 ii, 24'7 ii, 247 ii, 248 ii, 248 ii, 243 ii, 249 ii, 249 ii, 249 ii, 250 ii, 250 ii, 251 ii, 298 ii, 298 ii, 298 ii, 298 ii, 299 ii, 299 ii, 299 ii, 299 ii, 299 ii, 300siv CONTENTS. PETERS (FRAXZ). Action of Lead and of Potassium Nitrite on Lead Nitrate .. . . . . . . . . . . FRANQOIS (MAURICE). Action o€ Alcohol on Mercurous Iodide , ~IOISSAN (HENRI). Presence of Sodium in Aluminium prepared by Electrolysis . . . . . . . . . , . STILLMAN (JOHN M.) and XINNIE B. YODEB. Combination of Anhydrous Ammonia with Aluminium Chloride . . . . . . KUSTER (FE~EDRICH WILLIAH). Action of Ferric Salts on Iodides in Aqueous Soh tioii . . . . . . . . , . HEYPEL (WALTHER) and HERMANX THIELE. Atomic Wkght of Cobalt KLIMENXO (EUTHYXE) and BORIS KLIXENKO. Action of Hypochlorous acid on the Chlorides of Cobalt and Manganese . . . . . FEBEE (JuT.Es). Chromium Amalgam and some Properties of Chromium -MOURLOT (A.). Crystallised Chromous Sulphide . . . . . L ~ V Y (LUCIEN). Titanium Silicide and Crystalfised Titanium, .. P r c c ~ ~ r (Auctos~o). Alums of Vanadium Trioxide. . . . . 3fCCAY (&E Ron w.). Existence of Sulphoxyantimonates . . . PENNINGTON (MARY EXQLE). Derivatives of Niobium and Tantalum . HERTY (CHARLES H.). Mixed HaloTd Compounds of Platinum and PoCassium . . . . . . . , . . . . KASTLE (Z. H.) and J. H. BULLOCK. Preparation of Hydrogen Bromide and Hydrogen Iodide . . . . . . . . . . NORRIS (R. S.) and F. G. COTTREL. Properties of Liquid Hydrogen Iodide . . . . . . . . . . . OBNDORPF (WILLIAX R~DGFELY) and cf, L. TERRASSE. Molecular Weight cf Sulphur . . . . . . . . . . . , BESSON (ADOLPHE). Thionyl Bromide and Chlorobromide . . , BESSON (ADOLPHE). Action of Carbonic Chloride on some Hydrogen PARMENTIER (E.). Solubiiity of Sodium Thiosulphate in Alcohol .. MCCAY (LEROY W.). Sodium Thioarsenate . . . . , , GUNTZ ( ANTOINE). Lithium Hydride . . . . . . SPIEGEL (LEOPOLD). Magnesium Silver Nitrite . . . . . VELEY (VICTOR HERBERT). Inertness of Alkaline Earths with respect to Hydrogen Chloride . . . . . . . . . . REBUFPAT (ORAZIO). Hydraulic Cements . . . . . . SORENSEN (S. P. L.). Preparation of Pure Strontium Compounds . . CHALMOT (GUILLAME J. L. DE). Siiicides . . . . . . V ~ ~ o n ~ o u x . Copper Silicide . . . . . . , . . FRANFOIS (MAURICE). Action of Heat on Mercurous Iodide . . . WIEDE (0. FitITZ) and KARL A. HOFXANX. New Series of Metallic Ammonium Compounds . . . . . . . . . MARIE (C. and R. MARQUIS). Iron Nitrososulpliides . . . . SMETHAX (ALFRED). Influence of Oxide of Iron and Alumina on the Reversion of Superpliosphate .. . . . . . MOISSAN ( HENRI). Uranium Carbide . . . . , . . THOMAS (V.). Action of Nitric Peroxide on Stannic Salts . - . GRANGER (A.). Tin Tliiopliosphide . . . . . . . . PTCCINI (AUGUSTO). Alums of Titanium Sesquioxide . . . , GAUTIER (EMILE JUSTIN ARMAND) and H. H~LIER. Conditions which regulate the Combination of Gases. Union of Oxygen and Hydrogen a t Low Temperatures. . . . . . . . . , BARENDRECHT (H. P.). Dimorphism of Ice . . . . . . FRYE (COLIN C.). Oxidising Substance produced by distilling Aqueous Potaesiuni Permanganate and Sulphuric acid in a Vacuum . . BESSON (ADOLPHE). Action of some Hydrogen Compounds on Snlphuric Chloride . . . . . . . . . . . . SCHENCK (RUDOLF). Sulphur Nitride . . . . . . . CHALMOT (GUILLAME DE).Silicides of Iron . . . . Compounds. . . . . . . . . . TASSILLY. Zinc Oxyiodides . . . . . . . . PAOR ii, 300 ii, 301 ii, 301 ii, 301 ii, 302 ii, 303 ii, 302 ii, 303 ii, 303 ii, 304 ii, 304 ii, 364 ii, 305 ii, 305 ii, 306 ii, 356 ii, 357 ii, 357 ii, 855 ii, 355 ii, 359 ii, 359 ii, 359 ii, 360 ii, 360 ii, 360 ii, 360 ii, 362 ii, 362 ii, 362 it, 363 ii, 363 ii, 364 ii, 364 ii, 364 ii, 365 ii, 365 ii, 365 ii, 416 ii, 417 ii, 41'7 ii, 417 ii, 417CONTEXTS. S v PAGE dsLANoGLOU (P. L.). Combination of Atmospheric and Chemical Nitro- gen with Metals . . . . . . . . . . . TANATAR (SIMEON N.). Hyponitrous acid . . . . . . FERRAND (LIJCIEX). Thiophosphites . . . , . . . HILL (EDWIN A.). Argon and Helium . . , . . . , DEELEY (R. M.). Helium and Argon, and their places amo:ig the Elements .. . . . . . . . . . . PREYER (W.). Place of Argon and Heliuni in the System of the Elements . . . . . . . . . . . . TAVATAR (SINEON M.). Formation of Sodium Carbonate in Natuw . MOISSAN (HENRI). Lithium Carbide . . . . . . . VITALI (DIOSCORIDE). Action of Magnesiuni on Metallic and other Solutions . . . . . . . . . . . . CHARPY (GEOBGFES). Structure and Coiisf itution of Alloys of Copper and Zinc . . . . . . . . . . . . GUNTZ (ANTOINE). Properties of Metals separated from their Amal- gams. . . . . . . . . . . . . PHIPSON (THOXAS LAMB). Wew and abundant Source of the Oxides of Thorium, Cerium, Yttrium, Lanthanum, Didymium, and Zirconium . MOISSAX (HENRI). Cerium Carbide . . . . . . . MOISSAN (HENBI) and ~ T A R D . Carbides of Yttrium and Thorium.. WARREN (HENRY NEPEAN). Deposition of Aluminium from Aqueous Solutions . . , . . . . . . . . . APPRRT ( L ~ o N ) . Aluminia in @lass . . . . . . . MoIssaN (HENBI). Manganese Carbide . . . . . . . MOISSAN (HENRI). Nickel and Cobalt Carbides . . . . JORGENSEN (SOPUS MADS). Constitution of Cobatt, Chroiniuni and Rhodium Bases . . . . . . . . . . . B A U G ~ (GtEoaGFEs). Chroinous Ammonium Carbonate . . , . VANDENBERGHE (AD.). Preparation of Pure Molybdenum . . . VANDENBERGHE (AD.). Action of certain Gases on Heated Molyb- denum . . . . . . . . . . . . SCEXEIDER (ERNST ROBERT). Atomic mTeight of Tnngsten . . . MoIssm ( HENRI) and LENGFELD. A new Zirconium Carbide . . THOMAS (V.). Action of Nitric Peroxide and Air 011 Bismuth Chloride . MEYEB, (VICTOR). Fusibility of Platinum in a Wind Furnace fed with Carbon .. . . . . . . . . . . THOMSEN (JULIUS). Density of Hydrogen and of Oxygen . . . RIEGTER (E.). Decomposition of Silver Oxide by means of Hydrogen Peroxide . . . . . . . . . . . . CtRoss (THEODOR). New Electrolytic Nethod. . . . . . BESSON (ADOLPHE). Artion of Hydrogen Bromide and Hydrogen Iodide on Phosphorus Oxychloride . . . . . . . . FERBAND (LUCIEN). Thiophosphates . . . . . . . WEINLAND (R. F.) and 0. RUXPF. Sulphoxprsenates (Thioarsenates) . CCRALMOT (GUILLAME DE). Calcium Silicide . . . . , . DIDIER (GASTON). Basic Magnesium Nitrate. . . . . . HERTY (CHAELES H.). Recent Work on Double HaloTds . . . BAsKsRvILLE (CHARLES). Relations between Copper and Concen- trated Sulphuric acid . . . . . . . . . . SCHUTZENBERGER (PAUL) and 0.BOUDOIJA~D. Rare Earths in Mon- a2it.e Sands. . . . . . . . . . . . EEMARFAY (EU&NE ANATOLE). New Element in Rare Earths of the Samarinm Group . . . . . . . . . . MORSE (HARMON NORTHRUP), A. J. HOPKINS, and MILO 8. V i r ~ ~ l i ~ ~ . Reduction of Permanganic acid by Manganese Dioxide . . . GRANGER (A.). Crystallised Iron Sesquiphosphide . . . . . Fh~8-6: (JULES). Molybdenum Amalgam and some Properties of 1Molj-b- denum . . . . . . . . . . . . EOFMANN (KARL A.). A New Perthiomolybdic acid . . . . ii, 417 ij, 417 ii, 4J8 ii, 418 ii, 418 ii, 4.18 ii, 410 ii, 419 ii, 410 ii, 421 ii, 421 ii, 422 ii, 423 ii, 422 ii, 483 ii, 423 ii, 423 ii, &24 ii, 424 ii, 426 ii, 427 ii, 428 ii, 426 ii, 428 ii, 429 ii, 429 ii, 471 ii, 471 ii, 472 ii, 473 ii, 473 ii, 473 ii.473 ii, 474 ii, 474 ii, 474 ii, 475 ii, 475 ii, 47s ii, 476 ii, 476 ii, 476x r i CONTENTS. SOBOLEFF (M ). Physical Properties of Pl~o~phodoclecatnngstic acid . VENABLE (FRANK P.). Chlorides of Zirconium . . , . . BRIZARD (L.). Action of Reducing Agents ou the Nitroso-conipounds of Ruthenium . . . . . . . . . . . . OETTEL (FELIX). Electrolytic Formation of Hypochlorites and of Chlorat PS . . . . . . . . , . . . BAPER (K. J.). Manufacture of Potassium Chlorate . . . . MORLEY (EDWARD W.). Density of Oxygen , . . . . . Stany (GASTON). Tubular Ozone Generator . . . . . . ELBS (KARL) and 0. SCHONHERR. Formation of Persulpliuric acid . ELBS (KARL). Persdphuric acid . . . . . . . . RETUERS (JAN WILLEM). Posihion of Tellurium in the Periodic System HANTZSCH (ARTHUR RUDOLF). Hyponitrous acid .. . . , BESSON (ADOLPRE). Action of Hydrogen Bromide on Thiophosphoryl Chloride . . . . . . . . . . . . BORCHERS (WILHELX). Isolation of Lithium and of Beryllium . . ~ F L C (OTTOKAR). Electrolytic Silver Peroxide . . . . , GROSS (THEODOH). Experiments with Silrer Sulphide . , . . CARXOT (ADOLPHE). Crystals produced in the Dephosphorisation of Iron KIPPENBERGER (CARL). Reduction in Neutral Solutions . . . LEN HER (VICTOR). Lead Sulphiodide . . . . . , . ENXERLING (OsKaa). Enamel . . . . . . . . STICKNEY (DELIA). Reduction of Copper Sulphides , . . . SCHUYTEN (M. C.). Action of Nascent Iodine on Mercuric Chloride . DUFAU (E.). Barium Tetrachromite . . . . . . . GOTTIG (CHRISTIAN), Behaviour of Aluminium with Ammonium Com- pounds ; Method of producing Chemical Change on the Surface of Commercial Aluminium .. . . . . . . . WHITNEP (WILLIS RODNEY). Chromium Salta . . . . . MOISSAN ( HENRI). Uranium . . . . . . . . . HITCRCOCK (FANNY R. M.), Tungstates and Moljbdates of the Rare Earths . . . . . . . . . . . . TENABLE (FRANK P.) and CHARLES BASKERVILLE. Zirconium Sulphite THOMAS (V.). Action of Air and Nitric Peroxide on some Halogen Bis- muth Compounds . . . . . . . . . . ANTONP (UBALDO) and ADOLFO &nccHEsI. Precipitation of the Sulph- ides of Platinum : Collo%lal Platinic Sulphide . . . . . ENGLER (CARL) and W. WILD. Ozone . . . . . . . DUBKEE (FRANK W.). Oxidation of Sodium Sulphide and Hydrosulphide to Sulphate by Electrolysis . . . . . . . . ARCTOWSKI (HENRPK). Volatility of Red Phosphorus , .. . UESSON (ADOLPEE). Action of Hydrogen Iodide and of Phosplioniunr Iodide on Thiophosphoryl Chloride . . . , , . . CHALWOT (GUTLIAME J. L. DE). Crystallino Silicon . . HIGLEY ( GEORGE 0.) and W. E. DAYIS. Action of Metals on Nitric acid MITLDEB (EDUARD) and J. HERINGA. Silver Peroxy-nitrate . . . PERROT (J. LouIs). Decomposition of Zinc Chloride by Water . . KNOBLOCH (J.). Preparation of pure Zinc Sulphate from crude Zinc Vitriol . . . . . . . . . . . . COPPOCK (JOHN B.). Cupric Sulphide . . . . . . . DELAPONTAINE (MARC). Colloyd Coxpounds of rare &Ie!ills . . . DONATH (EDUARD). Action of Water, &c., on Aluminium . . . DONATE (EDUARD). Chemistry of Iron . . . . . . . GUICHARB (M.) . Molybdenite and the preparation of Molybdenum .Laassors (AKSEL). Niobium . . . . . . , . . PRUNIER (LEON). Preparation of Sodium Thioantimonate (Schlippe’s Salt) . . . . . . . . . . . . . UOYDER (GEORGE A.). Chemistry of the Cyanide Ppocess for dissolving G o l d . . . . . . . . . . . . . BBIZARD (L.). Double Salts of Ruthenium and SilT-er . . . . PAGE ii, 477 ii, 478 ii, 47I1 ii, 617 ii, 517 ii, 518 ii, 518 ii, 519 ii, 519 ii, 520 ii, 520 ii, 520 ii, 520 ii, 521 ii, 521 ii, 522 ii, 522 ii, 523 ii, 523 ii, 523 ii, 524 ii, 524 ii, 524 ii, 525 ii, 525 ii, 526 ii, 527 ii, 527 ii, 528 ii, 558 ii, 559 ii, 558 ii, 560 ii, 560 ii, 560 ii, 562 ii, 562 ii, 562 ii, 562 ii, 562 ii, 563 ii, 563 ii, 563 ii, 564 ii, 565 ii, 565 ii, 566CONTESTS. xvii MORLET (EDWARD W.). The Density of Hydrogen . . . , RAMSAY ( WILLTAX).Helium, a Gaseous Constituent of Certain Minerals. Part IT. Density . . . . . . . . LOCXTER (JOSEPE KORMAN). Xew Gas obtained from Uraninite . , LOCGFER (JOSEPH NORMAN). Gases obtained from the Mineral Eliasite LOCKYER (JOSEPH NORMAN). New Gases obtained from Uraninite . . KUEKEN (J. P.) and WYATT W. RANDALL. Expansion of Argon and of Helium as compared with that of Air and Hydrogen . . . . RAYLEIOH (LORD). Some Physical Properties of Argon and Helium . WAGXER (MAX). Acids containing Sulphur and Nitrogen , . . SABATIER (PAUL). Nitrosodisulphonic acid . . . , . . VIGO~BOCX (EXILE). Action of Silicon on Metals . . . . . BOSSEL (A.). Diamonds from Stcel . . . . . . , . COLSOS (R.). Action of Zinc 3n the Photogi.tlphic Plate . . . . PELLAT (HENFKI). Vaporisation of Metals at the Ordinsry Tempem- ture .. . . . . . . . . , . . MO:SSAN (HENRI). Preparation of AlIoj-s . . . . . . GA~TIER (HEWRI). Fusibility of Metallic Alloys . . . . . URAXOER (A.). Action of Phosphorus on Metallic Chlorides . . . MOURLOT (A). Action of High Temperatures on certain Sulphides. . TOXMASI (DONATO). nesiloerisation of Lead by Electrolysis . . . COXBES (CHARLES). Aluminium Alloys . . . . . . . AKTOKY (UBALDO) and G. G J ~ L I . Hydrolytic Decomposition of Ferric Kitrate and Sulphate . . . . . . . . . . HEIDE (K. VOK DEB) and KARL A. HOFMANN. Compounds of the Lower Oxides and Sulphides of Molybdenum with Ammonia and with Potassium Cyanide . . . . . . . . . . MOISSAN (HENR~). Tirng&en , . . . . . . . . HALLOPEAU (L. A.). Zirconotungstic Compounds .. . . . THOXA~ (V.). Action of Iodine on Stannous Chloride . . . . MOISSAN (HENRI). Vanadium and Vanadium Carbide . . . . TIIONAS (V.). . MOISSAN (HENHI). Solubility of Carbon in Rhodium, Iridium, and Palladium . . . . , , . . . . . , MORLEY (EDWARD W.). Atomic Weights of Oxygen and Hydrogen . SLYAPE (HESRY Lloyd). Replacement of Chlorine in the Chlorides of Non-mcta!s by Bromine and Iodine . . . . . . . SABAZIER (PA~L). Nitrosodisulphonic acid . . . . . . METZNER (R.). Preparation of Selenic. acid . . . . . . STAXOE (MARTIN). Metallic Compounds of Triphosphoric acid , . MOISSAN (HENRI). Artificial Production of Diamonds . . . . MOISSAN (HENRI). Black Di:tmonds . . . . . . . Rai%ssy (WILLIAM) and JOHN NORMAN COLLIE. Homogeneity of Argon and Helium . . .. . . . . . . . WARHEN {HENRY NEPEAN). Quick Nitrogen Absorbent for the Libcra- tion of Argon, and the Manufacture of Metallic Lithium . . . GAUTIER (HENRI). Alloys . . . . . . . . . DOFAU (E.). Magnesium Cobaltite . . . . . . . . LOREXZ (RICHARD). Electro-chemical Method of preparing Metallic ‘Ef r drmides . . . . . . . . . . . LOXE&Z (RICHARD). Electro-chemical Method of Preparing Metallie Sulphides . . . . . . . . . . . BRAUNER (BOHUSLAV). Action of Hydrogen Sulphide on Solutions of Cupric Salts . . . . . . . . . . . VARET (RAOUL). Mercuric Oxysalts . . . . . . . ARCTOWSKI (HENRYK). Artificial Dendrites . . . . . . RAP (P. C.). Mercurous Nitrite . . . . . , . . MOISSAX (HEWRI). Lanthanum Carbide . . . . , . . RICHAR~S (PERCY ANDREW ELLIS). Action of Mercury Salts on Alu- minium .. . . . . . . . . . . Action of Nitric Peroxide on Antimony Trichloride . VOL. LXX. ii. 2 PA@ R ii, 595 ii, 595 ii, 596 ii, 597 ii, 597 ii, 597 ii, 598 ii, 599 ii, 599 ii, 600 ii, 601 ii, 601 ii, 601 ii, 601 ii, 602 ii, 602 ii, 603 ii, 603 ii, 6(3 ii, 604 ii, 605 ii, 606 ii, 607 ii, 608 ii, 608 ii, 609 ii, 609 ii, 640 ii. G41 ii, 641 ii, 642 ii, 643 ii, G44 ii, 615 ii, 616 ii, 646 ii, GE6 ii, 647 ii, 647 ii, 6B ii, 648 ii, 6%8 ii, 619 ii, 643 ii, 650 ii, GEOCOSTENTS. ... XVlll LORENZ (RICHARD). Preparation of Potassium Permanganate by Electro- cliemical Means . . . . . . . . . . . GRANGER (A.). Action of Halogen Compounds of Phosphorus on Iron. Nickel, and Cosalt . . . . . . . . . . LORENZ (RICHARD). Preparation of Potassium Dichromate by Electro- chemical Means .. . . . . . . . . . CHBBTIEN (PAUL). Combination of Iodic acid with other Acids . . HALLOPEAU (L. A.1. Action of Ammonia on Alkali Paratungstates . . LABORDE (J. B. VINCENT). Specific Gravity and Speciric Heat of Alloys of Iron and Antimony . . . . . . . . , TENABLE (FRANK P.) and THOMAS CLARKE. Zirconates . . . . DELAFONTAINE (MARC) and CHARLES ELIJA~I LINEBARGEE. Reaction between Carbon Tetrachloride and the Oxides of Niobium and Tant- a l u m . . . . . . . . . . . . . Action of Reducing Agents on Osmium Nitroso-com- pounds . . . . . . . . . . . , BRIZARD (L.). Kine ra loqicaE Chemistry. RIRRE ( FRIEDRICII). Crystalline Form of chemically pure Simple Sub- stances . . , . . . . . . . . . SMITH (GEOEGE). Silver 3Iinerals of the Australian Broken Hill Consols Mine a .. . . . . . . . . . KRENNER (J~ZSEF A ). Lorandite, a New Thallium Mineral . . . BAUBIGNP (HENRI). Composition of Kermesite . . . . . PITTMAN (EDWARD F.). Wilfyamite, a New Mineral from Broken Hill, N.S.W. . . . . . . . . * . HILLEBRAND (WILLIAM F.). Calaverite from Cripple Creek, Colorado . LIVERSIDGE (ARCHIBALD). Nantokite, from New South Wales . . FRIEDEL (CIIARLES). Artificial Percylite . . . . . . . LIVERSIDGE (ARCHIBALD). Boleite from New Souti Wales . . . BROWR (C. BARRINQTOR) and JOHN W. JODD. Rubies of Burmali . HOBBS (WILLIAM H.). Ceruasite coated with Galena ; Manganite and Chloritoyd from Michigan ; Apatite and Hessonite in Pegmatite . THORPE (ALBERT). Analysis of Monazite . . . . . . SMITH (HENRY G.). Evansite from Tasmania.. . . . CARNOT (ADOLPHE) . Bed of Aluminium and Potassium Phosphates in Algeria . . . . . . . . , . . SJOGREN (S. A. HJALMAR). Retzian . . . . . . . GORGEE (ALEXANDRE). Artificial Gypsum . . . . . . FOOTE (WARREN M.) . Leadhillite Yseudomorphs in Missouri .*, . . GOLDSMITH (EDWARD). Eauriite, a New Mineral from Hawaii . . MICHEL (IJ~OPOLD) Melanterite containing Zinc . . . . . MIC~EL (L~OPOLD). Artificial Powellite. . . . . . . GOLDSXITH (EDWARD). Pimelite and Asbeferrite . . . . . WOLFF (T. E.) and RALPH S. TARE. Pelspar of the Acmite-trachyte of the Crazy Mountains, Montana . . . . . , . . LEQUER (L. McI.) and G. J. VOMKENING. Analyses of Sodalite from New Localities . . . . . . . . . . . CLAREE (FRANE W.). Constitution of the Lithia Micas . . . . CLAREE (FRANE W).Garnet from California. . . . . . WMITH (HENRY G.). Almandine Garnet from the Hawkesbury Sandstone, Sydney, N.S.W. . . . . . . . . . . . XELVILT~E (WILLIAM H.). Analysis of Anorthite from Raymond, Maine . . . . . . . . . . . . SCHNEIDER (EDWARD A.). Analysis of Prehnite from Fassrc, Tyrol . K O T ~ (BENDJIR~). Analysis of Biotite and Hornblende from Japan . FRIEDEL (CHARLES). Artificial Boleite . . . . . . PA QB ii, 650 ii, E5Ch ii, 651 ii, 651 ii, G5Z ii. 652 ii, 653 ii, 653 ii, 653 ii, 29 ii, 29 ii, 30 ii, 31 ii 31 ii, 31 ii, 31 ii, 32 ji, 32 ii, 32 ii, 38 ii, 33 ii, 34 ii, 34 ii, 34 ii, 35 ii, 35 ii, 35 ii, 35 ii, 36 ii, 36 ii, 36 ii, 37 ii, 37 ii, 37 ii, 38 ii, 35 ii, 38 ii, 38 ii, 39COSTENTS, XIX PAGE EAKINS ((3. L.). Analysis of Ottrclite, Pyroxene, Garnet, Eyidote, Scole- cite, and Xenotime .. . . . . . . . . HILLEBBAND ( WILLKAM F.). Analysis of Nickel Iron Sulphide, Bauxite, CURRAN (J. MILNE). Basalt from Bondi,'N.S.k. . . . . . THORPE (ALBERT). Analyses of Leucite-basalt from Vesuvius . . . GOLDSXITH (EDWARD). A Tempered Steel Meteorite . . . . CASARES (Josii). Occurrence of Fluorine in Certain Mineral Waters . 3Ioss (RICHARD J.). A Graphitic Schist from Co. Donegal . . . BECKE (FRIEDRICE). Wurtzite from Mies, Bohemia . . . . IPPEN (J. A,). Artificial Cinnabar . . . . . . . . GOODWIN (WM. L.), Nickeliferous Pyrites . . . . . . BAUNHAUER (HEINRICH). Skleroklase (Sai*torite) from Binn. . . SJOGREN (S. A. HJALMAR). Safflorite from Nordmark, Sweden . . DAXOUR (AUQUSTIN A.). Piorite . . . . .. . . BRIEDEL (CHARLES). Artificial Martite . . . . . . . SJOGREN (S. A. HJALMAR). Pyroaurite from the Mossgrufva, Nordmark, Sweden , . . . . . . . . . . . BOURGEOIS (LEON). Artificial Crystallised Carbonates . . . . SJOGEEN (5. A. HJALXAR). Fluid Emlosures in Uypsum) . . . BRAUNS (REINHARD). Artificial Anhydrite . . . . . . FRENZEL (AUQ.UST). Serpieritc, Lautite, and Pseudobrookite . . MICHEL (L~~oPoLD). Hautefeuillite, from Bade, Norway . . . SJOQREN (53. A. HJALMAR). Caryinitc . . . . . . . EJOGREN (S. A. KJALMAR). Soda-berzelite from Lhgban, Sweden. . SJOGREN (5. A. HJALMAR). Lhngbanite from the Sjogrufva, Sweden . GENTIL (LOUIS). Apophylite from Algeria . . . . . . SJOGBEN (5. A. HJALMAR). Prolectite, a New Mineral of the Humite Group . . . . . . . . . . .. ~ ~ O G R E N (S. A. HJALMAR) . Composition of Chondrodite, Kumite, and Clinohumite from Nordmark . . . . . . . . SJOGREN (3. A. HJALMAR). Soda-ricbterite from LLngban, Sweden . DAMOUR (AUGUSTIN A.). New Analyses of Chloromelanitc . . , GENTIL (Lours). Andradite-garnet from Algeria . . . . . BACKSTROM (HELGE). Artificial Aegirine . . . . . . HAERINGTON (BERNARD J.) . Composition of Canadian Limestones and Dolomites . . . . . . . . . . . . KLEMENT (CONSTANTIN). Procees of Formation of Dolomite-rock . . HATCH (FREDERICK H.). Lower Carboniferous Volcanic Rocks of East Lothian . . . . . . . . . . . . TEALS (J. J. HARRIS) and JOHN HORNE. Borolanite, a New Igneons Rock HIBSCH (J. E.). Analyses of Augite and Nepheline-Leucite-Teplirite from Bohemia . . . . . . . . . , .BOUCHARD (CH.). Argon and Helium in Mineral Waters . . . CHABEI~ (CAMILLE). Composition of Water of the Pacific , . . SCHEBZER (W. H.). Native Sulphur in Michigan , . . . . MOISSAN (HENI~I). Black Carbonado from Brazil . . . . . &foIssAN (HENRI). Graphite from a Pegmatite . . . . . KIRPLAND (J. BOOTH). Gallium and Indium in a Blende from Peel- wood, N.S.W. . . . . . . . . . . . LOVISATO (DOMENICO) . The Senarmontite of Nieddoris, and the minerals accompanying it, Arite, Breithauptite, Gersdorffite and Smaltite , LINCE (GOTTLOB ED.). Hercynite from Vdtellina . . . . , FOOTE (WARREN M.). Northupite, a New Mineral . . . . , SXEY (WILLIAM). Nature of Stinkstone (Anthraconib) . . . . PENFIELD (SAMUEL L.) and JULIUS H. PRATT. Optical properties of Lithiophilite and Triphylite .. . , . . . , GAUTIER (E. J. ARMAND). Genesis of Natural Phosphates and Nitrates MALBOT (H.) and A. MALBOT. Phosphates from Algeria.. Phosphatic Rock at Bougie having the Composition of a Superphosphate . Felspars, and Piedmontite . . . . . . . . 2-2 ii, 39 ii, 39 ii, 40 ii, 41 ii, 41 i i , 42 ii, 108 ii, 108 ii, 208 ii, 109 ii, 109 ii, 109 ii, 109 ii, 110 ii, 110 ii, 110 ii, 110 ii, 111 ii, 111 ii, 112 ii, 112 ii, 313 ii, 113 ii, 114 ii, 114 ii, 114 ii, 114 ii, 115 ii, 115 ii, 115 ii, 116 i;, 116 ii, 116 ii, 117 ii, 117 ii, 117 ii, 117 ii, 152 ii, 182 ii, 182 ii, 183 ii, 183 ii, 183 ji, 184 ii, 184 ii, 184 ii, 185 ii, 185xx CONTENTS. PLISK (GUSTAT'). Kentrolite from Ltingbaii . , . . , . SCliMELCX (LUDWIG). Thorium and Yttrium Mineral3 of Norway, .BENNEVILLE (JAMES 8. DE). Analjses of Beryl . , . . . LEBEAU (PAUL). Analrses of the Emerald . , . . . . LACROIX (ALPRED). Optical Properties of some Compact and Earthy Silicates . . . . . . . . . . . . KATZER (FRIEDRICK). Opal, Anddusife, Tourmaline, Sillimanite, Cordi- erite, Pinguite, and Hoeferite from Boliemia . . . . . ZSCHAU (E.). Zeolites of the Syenite, near Dresden . . . . WALLERANT (Fa.). Isomorphism of the Felspars (nlbite-anorthite) . BAXKELSBERG (CARL F.). The Leucite-nepheline Group . , . HOFFMAHN ((3. CHRIsrIaw). Ilvaite, EIarmotome, Opal, Thinaite, Sclieelite, Chroniiferoas Muscovite, Gersdorffite, and Nickeliferous Pyrrliotite, from Canada . . , . . . . . HILLEBRAED (WILLIAM F.). Wide-spread Occurrence of Barium and Strontiumin SilicateRocks .. . . . . GEIICIE (Sir ARCHIBALD) and J. J. IIARRIS TE~LL. Banked Gabbros 0; ' S l i y e . . , . . . . . . . . . . WEED (WALTER H.) and LOUIS V. Prnsso~. Igneous Rocks of Yogo Peak, Montans . . . . . . . . . . . SPErGHT (R.). Olivine-andesite of Banks Peniiisuln, N.Z. . . . MARSHALL (PATRICK). Tridyinite-trachyte of Lyttleton, N.Z. . . MIWGAYE (JOHN C. H.). . HOWELL (EDWIN E.). The Cherokee and El Capitan Meteorites . . M O~SSAN (HEXRI). Meteorites . . . . . . . . CRAIG (ANDREW W.) and N. T. &I. WILSMORE. Water from Lake Corangnmite, Victoria. . . . . . . . . . STEIGER (GEORGE). Water from Nashville, Illinois, and from the Soap Lake, Washington . . . . . . . . . . HILLEBRAND (WILLIAM F.). Analysis of Watcr from Ojo Gdiente, New Mexico . . . . . . . . .. . . YABMENTJER (F.). Bituminous Mineral Waters containing Ammonia . CARD (GEORGE W.). Ylatinurn, Pickeringite, and Magnesia zinc alum from New South Wales . . . . . . . . . LOSAXITCH (SIMA M.). Analyses of Gold, Xeerschaum, Amber, and Magnetite from Serria . . . . . . . . . JOHN (CONRAD )I. TON) and C. F. EICJILEITER. Analyses of Austrian Minerals . . . . . . . . . . . . TORRICO P MBCA. Vtma,diferous Cod from Peru . . . . , HELM (OTTO). Burmite, a new .Amber-like Resin from Upper Burmah . SCHNEIDER (R.). Composition and Constitution of Cubanite (Cupro- pyrite) . . . . . . . . . . . . CESABO (GIUSEPPE). Artificial Precious Opal . . . . . TSCHELXAK (GUSTAV). Emery from Naxos . . . . . , HOLLAXD (THOMAS H.). Magnetite from the Madras Presidency con- taining Manganese and Aluminium .. . . . . . MULLER (WILHELM). Artificial Hematite, and Magnetite . . . STABOJEV:~ (A.). Analyses of Magnesite, Dolomite, Mica, and MagneIite from Servia, . . . . . . . . . . . TBAUBE (HERXANN). Iglesiasite, Tarnowitzite, and Hemirnorphitc from Silesia . . . . . . . . . . . . NORDEWSKI~LD (GUSTAF). Spodiosite from Nordmark . . . , CARD (GEORGE W.). Celestite from Bourke, N.S.W. . , , , HAXMOND (P. T.). A Supposed Sulphocarbonate of Lead . . . BRUNLECHNER (AuG~sT). Zinciferous Melanterite, Seelsndite, and (' Zinkmmganerz . . . . . . . . . NOBDENEKIOLD (GUSTAF). Kentrolite from Jakobsberg . . . . SPEZIA (GIORGEO). Action of Water on Apophyllite , . . . HOPFMANN ((3. CHRISTIAN). Lepidomelane, Actinolite, Andradite, (Xrossular, Hornblende, Clinochlore, Talc, Diallage, Damouri to, Meteorite from Moonbi, Tamworth, N.S W, PAGB ii, 186 ii, 186 ii, 186 ii, 187 ii, 187 ii, 18'7 ii, 189 ii, 189 ii, 183- ii, 190 ii, 191 ii, 191 ii, 192 ii, 192 ii, 193 ii, 193 ii, 193 ii, 199 ii, 194 ii, 194 ii, 194 ii, 193 ii, 251 ii, 252 ii, 232 ii, 252 ii, 259 ii, 253 ii, 253 ii, 253 ii, 254 ii, 254 ii, 254 ii, 255 ii, 255 ii, 256 ii, 256 ii, 256 ii, 257 ii, 257CONTENTS. XXi Sei*icite, Cookeito, Cobaltiferous Lollingite, Bismuthit e, Strontianite, and Native Iron from Canada .. . . YL ~TANIA (GAETANO). Xiphonite, a New imphibole [Hornblendej from Etna . . . . . . . . . . . . JANNASCH (PAUL) and P. WEINGARTEN. Chemical Composition and Constitution of Vesuvian [Idocrase] and Wiluite . . . . MEBRILL (GRoRaE P.). . HOLLAND (THOMAS H.).Hislopite . . . . . . . . HOLLAND (PHILIP) and EDMUND DICKSON. Alteration of Diabase and Granite : Formation of Clay . . . . . . . . ZALESKI (STANISLAUS vox). Amount of Silica aiid Quartz in Granites . CARD (GEORGE W.). Fuller’s Earth from Wingen, N.S.W. . . . KUNZ (GEORGE FREDERICK). Phosphorescent Diamonds . . . BUCCA (L.). Artificial Formation of Magnetic Pyrites (Pyrrhotite) . IGELSTROM (LARS JOHAN). Plumboferrite from the Sjo Mine, Sweden . ARCTOWSKI (HENRYK). New method of Producing Artificial Oligiste (HEematite) . . . . . . . . . . . KLOCENANN (FRIEDRICH). Nickel Ore [Ger~dorfEke] fEom the Upper H a m . . . . . . . . . . . . . IGELSTR~M (LARS JOHAN). Rhodophosphite and Tetragophosphite, two New Minerals from Horrsjoberg, Wermland . . , . . PENNINGTON (MARY ENOLE).[Uolumbite from Wakefield. New Hamp- shire] . . . . . . . . . . . . . HAMBEBG (AXEL). Inesite from Jakobsberg, Sweden . . . . ARZRUNI (ANDREAS). Forsterite from Monte Somnia . . . . REBUFFAT (ORAZIO). Guarinite . . . . . . . . CHESTER (ALBERT H.). Caswellite, an altered Biotite from Franklin Furnace, N. J. . . . . . . . . . . . WEINSCHENK (ERNST). Andalusite and Spessartite from Bodenmais, Bavaria . . . . . . . . . . . . SOLLAS (WILLIAM JOHNSON). BAUER (MAX). Jadeite from “ Tibet ” . . . . . . . FARRINGTON (OLIVER CuMMmas). Jadeite from Mogoung, Burma . BAVER (MAX). Jadeite, Albite, and Glaucophane, from Tammaw, Upper Burma . , . . . . . . . * . LUDECKE (OTTO). Epidotkfrom theHarz . . , . . . BARVI~ (HEIBRICH). Alteration of Garnet . . . . .. WEINSCHENK (ERNST). The Garnet Group . . . . . HOLST (NILS OLOF). Beaumontite from Sweden . . . , . REBUFFAT (ORAZIO). Analysis of Emerald (1) . . . . . FRANCO (P.). Amphibole [Hornblende] and Sodalite from the Trachyte of Montesanto, Naples . . . . . . . . . HOLMQUIST (P. J.). Knopite, a New Mineral near Perofskite, from Alno, Sweden . . . . . . . . . . . , BLUMRICII (Jos.) [Hainite in the] PBonolites of North Bohemia . . WEIDMAXN (SAMUEL). Quartz-Kerrttophjre of the Baraboo Bluffs, Wisconsin . . . . . . . . . . . . FBESENIUS (CARL REMIGIUS). Analysis of the Victoria Spring, at Ober- lalinstein . . . . . . . . . . . , KASINI (RAFFAELE) and FRANCESCO ANDERLINI. Examination of Terres- trial Emanations for Argon : Gas from the Thermm of Abano . . LUZI (WILLI). Graphitoid .. . . . . . . . WALEER (T. L.). Sperrylite . . . . . . . , . HAMBERG (AXEL). Etching of Calcite . . . . . . . PENFIELD (SAMUEL LOUIS) and JULIUS HOWARD PRATT. Thaumasite from West Paterson, New Jersey. . . . . , . . HERZ (WALTER). Salvadoritc, a new Copper Iron Sulphate . . , KOSMANN (HANS BERXITARD). Borates in the Stassfurt Abraum SaIts . RINNE (FRIEDRICH). Action of Sulphuric and Hydrochloric acids on HeuIandite: an Artificial form of Silica . . . . Origin and Composition of Onyx Marbles . ARZRUPI (ANDREAS). Artificial Cassiterite . . . Crystalline form of Riebeckite . ii, 251 ii, 259 ii, 259 ii, 260 ii, 261 ii, 261 ii, 262 ii, 262 ii, 306. ii, 306 ii, 30? ii, 302- ii, 307 ’ ii, 30F ii, 30% ii, 308. ii, 308 ii, 309 ii, 309 ii, 310 ii, 310. ii, 310- ii, 311; ii, 31% ii, 312: ii, 312 ii, 312 ii, 312 ii, 313 ii, 309 ii, 313 ii, 313 ii, 314 ii, 314 ii, 315 ii, 366 ii, 366 ii, 366 ii, 366 ii, 36’7 ii, 368 ii, 368 ii, 368xxii CONTENTS.ZEMJATSCHENSKY (PIETR A.) . Desmine [Stilbitc] and Laumontite from the Caucasus . . . . . . . . . . , NORDENSKIOLD (NILS ADOLF ERIK). Fluorine in ApGphyllite . * LINDER (A.). Clarke and Schneider’s Constitutional Forniulu for Ser- pentine . . . . . . . . . . . . RAKSOME (I?. LESLIE) and CHARLES PALACHE. Lawsonite, a new Rock- forming Mineral from California . . . . . . . . FEOXME (JOHANNES) , Minerals (Zeolites, &c.) of a Thnringian Amphibole- graiiitite . . . . . . . . . . . . HEBERDEY (PH.). Qehlenite and Wollastonite in Slags from Yrzibranz . FORBES (E. H.). Epidote from Huntington, Mass., and the Optical Pro- perties of Epidote .. . . . . . . . . USSING (N. V.). Mineials of the Nepheline-syenite of Greonland . . THADDI~EFF (EOKSTANTIN). Thc Olivine Group . . . . . PENFIELD (SAMUEL Lours) and E. E. FORBES. Fayalite from Kockport, 1Slass., and the optical Charncters of the Olivine Group . . . ADAMS (FRASK I).) and BERXARD J. HARRIWTON. A New Alkali Horn- blende, Hnsting-ite, and s Titaniferoru Andradite from Dungannon, Ontario . . . . . . . . . . . . SOLTMANN (RUDOLF). Chemical Beha.\-ionr of fiome naturally occurring Titanium Compounds . . . . . . . . . . SCHWEIXITZ (EYILE ALEXANDER DE). Meteorite from Fors-J% Co., Xorth Carolina , . . . . . . . . . ~ T O L B A (PRANZ). Nstire Gold from Eule, Bolreniia . . . . LEMBERG (JOHAISN).Microclien~ical Renctiocs of Minerals of the Lamprite Group. . . . . . . . . . . NATARRO (LUCAS FEBNANDEZ). Quiroguite . . . . . . LAUR (FRAXCIS). Composition of Bauxites . . . . . . ROHRER (R.). Ht-ematite from Elba . . . . . . . EOSMANN (HANS BERNARD). Magnetic Iron Hydroxide, . . . SCHWAGEE (ACOLPH) and C. WILHELX TON GUMBEL. Analyses of Bavarian Minerals . . . . . . . . . . WULFIKGF (ERKST A.). Pyroxene from Renfrem . . . . . VIOLA (C.). Albite from Crete. . . . . . . . . LOVREKOTI~ (ST.). Zoisite from Stjris . . . . . . . SALOMOIS ( WILHELM) . Wernerite (Dippre) from Breno, Lombardy . HANANANN {JOSEPH). Moldavite from Bohemia . . . , . HOSKINS (A. PERCY). Glauconite from Co. Antriin . . . . CROCQ (J.). Cobalt in the Sands of Woluwe-Saint-Lambert . . . NASON (FRANK L.).Limestones of Sussex Co., New Jersey . . . REIBEXSCAUH (ANTON FRITZ). Mineral Waters from Styria . . . DIXTRICH (H.). Water from Klebelsberg Spring, Ischl . , . . REIBENSCHUH (ANTON FRITZ). Mineral Water from Radein, Styria . FRESENIUS (CARL REMEGIUS) . Variations in Cornposition of Mineral Waters at Different Periods . . . . . . . . COHEN (ExIL). A Salt Lakein the Trsnsvaal , . , . . CESAPO (GIUSEPPE). Alteration Products of Blende , . . . GIN (GUSTAT). Ochres . . . . . . . . . . SCHTCKENDANTZ (FEDERICO). Analyses of Argentine Minerals . . COOKSEY (THOMAS). Basic Sulpliate of Iron from Mount Morgan, Queensland . . . . . . . . . . . . EONINCE (LTJCIEN Lours DE). Artificial Hydrated Magnesium Silicate . CESARO (GIUSEPPE). A Silicate probably belonging to a New Mineral Species .. . . . . . . . . . . FRIEDEL (Gtsoaam). Zeolitea, and the Substitution of various Sub- FRIEDEL (GEOIWES). A New Artificial Silicate . . . . . FRIEDEL (OEORGES). Antclcite. . . . . . . . . EICHLEITER (C. FRIEDRICH), Natrolite from Momvia . . . . FOTJLLON (HEINRICE TOX)). Asbostos from Bosnia . , , . . ~ T O L B A (FRAXZ). Limestolie from Eon&prns, Bohemia . . . stances for the Water they contain . . . . . . ii, 369 ii, 369 ii, 369 ii, 350 ii, 3’70 ii, 371 ii, 371 ii, 3 2 ii, 3i2 ii, 373 ii, 374 ii, 374 ii, 375 ii, 429 ii. 430 ii, 430 ii, 430 ii, 431 ii, 431 ii, 431 ii, 432 ii, 433 ii, 433 ii, 433 ii, 434 ii, 434 ii, 434 ii, 435 ii, 435 ii, 435 ii, 435 ii, 435 ii, 435 ii, 436 ii, 479 ii, 479 ii, 480 i;, 480 ii, 480 ii, 481 ii, 481 ii, 482 ii, 482 ii, 432 ii, 4e3COKTENTS.xxiii CANAVAL (RICHARD). Altered Biotite and Tremolite from Stgria , . IPPEN (J. A). Dolomite from Graz . . , . , . . MERRILL (GEORGE PERKINS). Disintegration of Granite in the District of Columbia . , . . . . . . . , . HUNTINGTON (GLIVER WHIPPLE). The Smithville Meteoric Iron , . ZSCHIMXER (E.). Hyacinth (Quartz) in Gypsum, nem Jena . . . MARTENS (PABLO). A New Cobalt Mineral . . . , . . GAUTIER (FERDINAND). Formation of Tin Veins . . . . . MARLOTH (R.). Origin of Nitrates in Griqualand West . . . . CARXOT (ADOLPHE). Aluminium and Potassium Phospbtes , . PISANI (FBLIx). Thaumasite . . . . . . . . , CARD (GEORGE WILLIAM). Pickeringite from New South Wales . . PACKARD (R. L.). A Blue Mineral, Supposed to be Ultramarine, from New Mexico .. . . . . . . . . . REJCR (ALFICED). Synthesis of Topaz . . . . . . . XRUSCH (P.). [Phillipsite from Wingendorf, Prussian SiIesia] . . FOUQUB (FERDINAND). Felspars of Igneous Rocks . . . . . HENDERSON (J. 35. C . ) . Mica-Syenite from Rothschanberg, Saxony . HIBSCH (J. E.). [Analpsof Sericite, Augite, and Waters from Bolieniia] JAQUET (JOHN BLOCKLEY). Serpentine after Amphibolite . . . CURRAN (J. MILWE). A Mineral Spring a t Bungonia , , . . DAMBERGIS (ANASTASIUS E.). The New Hot Springs of Bdipsos and Gialtra . . . . . . . . . . . . SCHCLZE (ERWIN). Classification of Minerals according to the Periodic System . . . . . . . . . . . DOHERTP (W. M.). Arsenic in Coal . . . . . . . CIEESTER (ALBEIET HUNTIEGTON). Acanthite from Colorado , . . JEREX~EFF (PAVEL V.TON). Pseudornorphs of Copper Oxides and Sulphicles . . . . . . . . . . . . ALEX~EFF (WLADIXIR). Pitkeringite from the River Bfann District . CHRUSTSCHOFF (K. TON). Analyses of Samarskite, Pyrochlore. Tantaiite, and Niobite [Columbite] . . . . . . . . . GLINKA (SElmEr g.). Cheiuical Coniposition and c&ical Properties of Russian Albite . . . . . . . . . . . ZEXJATSCHEFSKP (PETR A.). Glauconite . . . . . , JANNASCK (PaTsLj. [Andalusite or Dumortierite in Argentine Granite] , WEINSCHEXK (ERNST). Epidoteand Zoisite . . . . . . COLOMBA (LUIGI). Glaucophane from Beauine . . , . . ERDMANN (HUGO). Occurrence of Ammoniaral Nitrogen in ancient Igileous Rocks . . . . . . . . . . . SCHULTEN (AUGUST BEEJAXIN, BARON DE). Reproduction of Sodium BZagnesium Chlorocarbonate, Sodium Magnesiiini Carbonate, Darap- skite, and Hydrargillite (Gibbsite) .. . . . . . HOPMANN (A.). Witherite from Przibwm . . . . . , PETH~ (GYULA). Chrysocolla in Andesite-tuff. . , . . , CARNOT (ADOLPHE). Variations in the Composition of Apatites . . ASTON (EXILY ALICIA) and THOMAS GEORGE BONNEY. An Alpino Nickel-bearing Serpentine . . . . . . . . . OHELIUS (C.). PEARCE (RICHARD). Mode of Occurrence of @old in the Ore [Rhyolitej of the Cripple Creek district . . , . . . . . PEARCE (RICHARD). Cripple Creek Ores. . , . . . . XNIGHT (F. C.). A Suspected New Mineral from Cripple Creek . . HYNDMAN (HUGH H. F.) and THOXAS GEORGE BONNEY. Analyses of Spherulites and Matrix of Rocks . . . . . . . HILLS (RICHAILD C.). The Costilla Meteorite . . . . . . RENARD (ALPEONSE FRANQOIS).Meteorite of Lesves . . . . FELICIANI (G.). Acid Spring near Rome (Ponte Molle) . . . . NEUMANN (SIGISMUND). Water from the Chalybeate Spring of 6vBri . Water of the Kaw River and its Tributaries . . . , . [Analyses of Orthoclase from an Odenwald Granite] BAILEY (EDGAR HENRY SUMMERFIBLD) and EDWARD c. $RANKLIN. PAGE ii, 483 ii, 483 ii, 483 ii, 484 ii, 528 ii, 5.29 ii, 529 ii, 529 ii, 529 ii, 530 ii, 530 ii, 530 ii, 531 ii, 532 ii, 532 ii, 533 ii, 534 ii, 534 ii, 534 ii, 535 ii, 566 ii, 566 ii, 565 ii, 566 ii, 566 ii, 567 ii, 567 it, 568 ii, 568 ii, 568 ii, 569 ii, 570 ii, 610 ii, 610 ii, 611 ii, 611 ii, 611 ii, 612 ii, 612 ii, 613 ii, 613 ii, 614 ii, 614 ii, 614 ii, 615 ii, 615 ii, 615XXiV CONTENTS. WEINSCHENK (ERNST). The “ Dilute Coloration ” of Minerals .. SCHL(ESING (TH., jun.). Nitrogen and Argon in Fire-damp . . . KELLAS (ALEXAXDER) and WILLIAM RAMSAY. Examination of Gases from certain Mineral Watess . . . . . . , . TILDEN (WILLIAM AUGUSTUS). An attempt to determine the condition in which Helium and the Associated Gases exist in Minerals . BROWNE (FRANK). Japanese Coal . . . . . . . . ABT (AKTAL). Magnetic behaviour of Pyrrhotite . . . . . P~LPP (M~R). Pyrrohotite from Bor& . . , . . . . LIVERSIDGE (ARCHIBALD). Some New South Wales and other Minerals PENFIBLD (SAMUELEWIS). Pearceite and the Crystallisation of Poly- basite . . . . . . . . . . . . . BAUMHAUER (HEINRICH). Rathite, R new Binnenthal Mineral . . LASPEYRES (ERNST ADOLPH HUQO) and E. KAISER. Calcistrontite, “Feather O1*e,” &c.. . . . . . . . . , FOOTE (H. W.). Pollueite, Manganocolumbite, and Microlite from Rumford, Maine. . . . . . . . . . . MOSES (ALFRED J.). Mineralogical Notes [Seapolite, kc.3 . . . , Physiological Chemistiy. REID (E. WAYYOUTH) and FREDERICK J. HAYBLY. Cutaneous Respira- GOTTLIEB. Action of Mustard and Pepper on Digestion . . . . HAEDY (W. B.) and F. F. WESBROOK, Wandering Cells of the Alimen- ROHMANN (FRANZ) and J. LAPPE. The Lactase of the Small Intestine . TANGL (F.). Influence of the Vaso-motor Nervous System on Meta- bolism . . . . . . . . . . . . MUXK (IMNANUEL). Metabolism . . . . . . . . STOCKMAN (RALPH). Iron in Food . . . . . . . . STOKVIS (B. T.). Sugar as a Food . , . . . . . . Mosso (UGOLINO). Sugar as a Food . . . . . . . HARLEY (VAUGHAN).Sugar as a Food . . . . . . . TSUJI (C.). Mannan as Human Food . . . . . . . WOODS (CHARLES D.) and C. S. PHELPS. Feeding Experimcnts on Sheep . . . . . . . . . . . . . RAMM (E.). Feeding Experiments with Brushwood . . . . KBLLNER (OSCAR), A. ~(OHLER, and F. BARNSTEIN. Examination of Foods from Farms where Cattle suffered from Brittleness of the Bones . . . . . . . . . . . . . PICKERING (JOHN W.). , EUNKEL (Jos. A.). E’ormation of Blood from Inorganic Iron . . . TANGL (F.) and VAUGFHAN HARLEY. Physiology of Blood Sugar . . STEWART (GEORGE N.). Circulation Time . . . . . . SCHENCK (Fa.). Muscular Work and Glycogen . . . . . FURTH (OTTO vos). Prote’ids of Muscle Plasma . . . . . RIXGFER (SIDNEY). Antagonism between Salts of Cslcium and those of Sodium, Potassium , and Ammonium .. . . . . . GOURFETN (D,). Toxic Substance from the Supra-renal Capsules . . PREGL (FRITZ). X u c ~ ~ ~ E r ~ t e . r i t w o f Sheep . . . , . LEATHES (J. B.). Artificial HydrEemic Plethora . . . . . HAMBURGER (HARTOG J.), Physical Factors in Absorption . . MUXK (~MMANUEL). Potassium Thiocyanate in Saliva . . . . OECHSNER DE CONIBCK (WILLIAM). Elimination of Calcium Compounds in Rachitis . . . . . . . . . JOLLSS (ADOLF). Uiobilk . . . . . . . . WALLER (AUWJSTUB D.) Action of Anesthetics on Nerve . . HALDANE (JOHN S.). Action of Carbonic (?side on hian . . tion in the Frog . . . . . . . . . . taryCana1 . . . . . . . . . . . Action of Drugs on the Embryonic Heart. PAQB ii, 654 11, 655 ii, 655 ii, 655 ii, 656 ii, 656 ii, 657 ii, 657 ii, 658 ii, 658 ii, 660 ii, 6€Q ij, 661 ii, 42 ii, 42 ii, 42 ii, 43 ii, 43 ii, 43 ii, 43 ii, 44 ii, 44 ii, 44 ii, 44 ii, 44 ii, 45 ii, 46 ii, 46 ii, 49 ii, 47 ii, 48 ii, 48 ii, 48 ii, 49 ii, 49 ii, 49 ii, 50 ii, 60 ii, 50 ii, 60 ii, 51 ii, !52 ii, 52QJNTENTS.XXV FILEHNE (WILHELM) and H. KIONKA. Respiratory Metabolism . . DASTRE (A.). Action of Salts on the Gastric Digestion of Fibrin and of Acids on the SalineDigestion of Fibrin . . . . . . ABELOUS (J. E.) and 0. BIARBBS. . BOURQUELOT (BMILE) and EUGBNE GLEP. Action of Blood Serum on Glycogen and Maltose . . . . . . . . . XAUFMANN (MAURICE). Formation of Glycogen in the Animal Organism DASTRE (A.), Formation of Glpcogen in the Animal Organism , . DASTBE (A.). Glycogen in the Lymph . . . . . . . FRANXEL (SIGMUND). Thjreo-antitoxin .. . . , . . RICEET (CH.). Uropoyetic Diastase . . . . . . . PIZZI (AUGUSTO). Composition of the Milk of Various Animals . . CAZENEUVE (PAUL). Sterilisation of Milk acd the Lactic Fermentation . MORNER (KARL A. H.). Protei'ds of Normal Urine . . . , . ACKERMANN (EDWIN). Excretion of Creatinine during Xuscular Work on a Mixed Diet. . . . . . . . . . , Ronss~. Resistance of Invertin to Heat . . . . , . . TERNCN (HORACE M.). Respiration in Marine Invertebrates . . . WISSEL (ERNST). Gas Formation in the Human Stomach . . . LEATHES (a. B.). Exchange of Liquid between Blood and Tissues . . LAZARUS-BARLOW (W. S.). Initial Rates of Osmosis of certain Substances in Water and in Liquids containing Albumin , . . . . STARLING (ERNEST H.). Intravascular Injection of Peptonc .. WOLTERING (H. W. F. C.). SEBELIEN (JOHN). Effect of Feeding Corns with Whale and Herring &leal, especially as regards Milk Production . . . . . . WICKX fA.) and HUGO WEISKE. Digestibility and Nutritive Value of Pumpkin Seed Cake and Buckwheat Grain . . , . . HOPKINS (F. GOWLAND). Pigments of the Pierids . . . . WINTER (J.). Constancy of the Freezing Point of Milk and other Organic RUPPEL (W. G.j. T7ernix caseosa . . . . . , . . JOHNSON (Sir GEORGE). The absence of Sugar from Normal Urine proyed by a New Method . . . . . . . . . GRBHAKT (NESTOR). Poisonous Effects of Acetylene . . . . BERTHELOT (MARCELLIN). Poisonous Effects of Acetylene . . . MOISSAN (HENILI). Poisonous Effects of Acetylene . . . . ERUGER (MARTIN) and GEORG SALOMON. Constitution of Xeterosan- thine and its Physiological Action .. . . . . . BALK (EDMUND). Derivatives of Hydrastine and Narcotiric . . . LEHMANN (PRANZ). Metabolism experiment on Sheep with a Pettenfiofer Respiration Apparatus . . . . . . . . . BAUMANN (EUGEN). Normal Occurrence of Iodine in the Body . . MARTIN (CHARLES JAMES). A Rapid Method of Desiccating and Steri. lising Serum . . . . . . . , . . , DUNLOP (JAMES CRAUFORD). Excretion of Oxalic acid . . . . STOCKMAN (RALPaj. Experimental Ansmia in Dogs . . . . ABRAM ( JORN HILL). Ace tonuria . . . . . . (. . GABBOD- (ARCHIBALD E.) and F. G; OWLAND HOP KIN^. Hsmatoporphyri- nuria . . . . . . . . . . . . . XAYO (N. S.). Cattle Poisoning by Potassiiim Nitrate . , . . BBOCINER (L.). Poisonous Effects of Acetylene . . . . . BOTRQUELOT (EMILE ELI$) and EUG~NE GLEY.Digestion of Trehalose MENDEL (LAFAYETTE B.). Passage of Sodium Iodide from the Blood to the Lymph. . . . . . . . . . . . TOMES (CHARLES S.). Chemical Composition of Enamcl . . . NOEL-PATON (DIARXID). Relation of the Liver to Fats . . . . COUVBEUR (E.). Transformation of Fat into Glycogen in the Silkrorm duriDg MetamorpLosis . . . . . . . . . Oxidising Power of the Blood . Absorption of Iron Salts Liquids . . . . . . . . . . . LIEBLEIN (VICTOR). A Dermoid Cyst . . . . . . PAQB ij, 118 ii, 118 ii, 119 ii, 119 ii, 119 ii, 119 ii, 119 ii, 119 ii, 119 ii, 120 ii, 120 ii, 120 ii, 12L ii, 195 ii, 196 ii, 196 ii, 122 ii, 196 ii, 197 ii, 19f ii, 197 ii, 198 ii, 198 ii, 199 ii, 199 ii, 199 ii, 200 ii, 200 ii, 200 ii, 203 ii, 201 ii, 262 ii, 263 ii, 263 ii, 263 ii, 263 ii, 264 ii, 264 ii, 264 ii, 264 ii, 26-4 ii, 315 ii, 315 ii, 315 ii, 316 ii, 312svvi CONTENTS.MAGALLUX (A. B.). Assimilated Iron Compounds in Animal and Vegc- table Cells . . , . . . . . . . , . REID (E. WAYNOUTH). Intestinal Absorption of Peptone . , . SCH~NDORFF (BERNHARD). Urea in Animal Organs . . . . LOEB (JACQUES). Physiological Action of Want of Oxygen . . . ATHANASIU and PAUL LANGLOIS. Comparison of the Physiological Action of Cadmium and Zinc Salk . . . . . . . NEPVEU. Indican and Indole in the Tissues of Tumours . . . ALBANESE (MANFREDI). Behaviour of Caffe‘he and Theobromine in the Organism . . . . . . . . . . . . BONDZY~SKI (STANISLAS). The Cholesterol of Human Faces , . . WEISKE (HUGO). Digestibility of the Pentosans ctf Vegetable Foods .SGHONDORFF (BERNHARD). Partition of Urea between Blood Corpuscles and Serum . . . . . . . . . . . . KOEPPE (HANS). Osmotic Pressure of Blood Plasma, and the Formatioii of Hydrochloric acid in the Stomach. . , . . . . LEVIX (ISAAC). Fat Absorption . . . . . . . . KRUMXACHEB (OTTO). Influence of Muscular Work on Proteld Meta- bolism. . . . . . . . . . . - . KATZ (JULIUS). Mineral Constituents of Flesh . . . . . BLUXENTHAL (ARTHUR). Action of related Chemical Substancea on Striped Muscle . . . . . . . . . , . DRECHSEL (EDMUND). Chemistry of some Marine Animals . . SBLDNER (FRIEDRICH) and WILLIAX CAMMERER. Analysis of Human Milk . . . . . . . . . . . . . SOLBERG (E.). Composition of the Milk Fat of the Cow, the Goat, and the Reindeer .. . . . . . . . . . RUMPF (THEODOR). Excretion of Ammonia in Disease . . . . HALLERVORDEN (E,). Excretion of Ammonia in Disease. . . . CABXERER (WILLIAM). Uric acid, Xanthine Bases, and Phosphoric acid iii Human Urine. . . . . . . . . . . EBSTEIX (WILHELM) and ARTHUR NICOLAIER. Excretion of Uric acid . SCHLOESING (TH., Jun.) and JULES RICHARD. Detection of Argon in the Air-bladder of Fishes and Physalidse . . . . . . WHITE (ARTHUR Ha). Nutrition of the Frog’s Heart . . . OLIVER (GEORGE). A New Hsemoglobinometer . . . . . OLIVER (GEORGE). Estimation of the Number of Blood Corimscles . HOENE (R. M.). Coagulation of Blood . . . . . . . STARLING (ERNEST HENRY). Absorption of Fluids from Connective Tissue Spaces . . . . . . . . . . . SCHAFER (EDWARD ALBERT) and B. MOORE.Extirpation of Salivary Glands . . . . . . . . . . . . STOCKMAN (RALPH). Iron in the Liver and Spleen. . . . . SJOQUIST (JoEN). Gastric Digestion . . . . . . . DUNLOP (JAMES CRAUFORD). Action of Dilute acids on Metabolism . GEORGENBURQER (JEANNOT). Hamoglobin and its Derivatives . . H~FNER (CARL GUSTAT). Solubility of Carbonic Oxide in Solutions of Hamoglobin : Dissociation of Carbonic Oxide Hamoglobin . . HURTHLE (KARL). Compounds of Fatty acids and Cholesterol in Blood-serum . . . . . . . . . . . LAZARUS-BARLOW (W. S.). Formation of Lymph . . . . . LEHMANN (KARL B.). Hygienic Studies on Copper. . . . . TIRMANN (JOHANNES). Absorption of Iron by the Organism . . . SEEGEN (JOSEF). Muscular Work and Glycogen . . . . . EE~JGER (TH. RICHAED). Elimination of Carbonic AnhTitride from Phosphocarnic acid by Hydrolysis .. . . . . . BAUMANN (EUGEN) and EENST Roos. Iodine Conipound in the BAUMANX (EUGEN). Iodine in the Thyroid . . . . . . Boos (EBNST). Action of Thyroidin . . . . . . . Thyroid . . . . . . . . . . . PAQE ii, 317 ii, 318 ii, 318 ii, 316 ii, 319 ii, 319 ii, 319 ii, 319 ii, 375 ii, 376 ii, 376 ii, 376 ii, 3i7 ii, 377 ii, 378 ii, 3’78 ii, 378 ii, 319 ii, 379 ii, 379 ii, 379 ii, 43G ii, 437 ii, 437 ii, 437 ii, 437 ii, 435 ii, 438 ii, 439 ii, 484 ii, 484 ii, 495 ii, 485 ii, 485 ii, 485 ii, 486 ii, 487 ii, 487 ii, 48’7 ii, 487 ii, 4-87 ii, 488 ii, 377OONTENTS. xxvii WEINTILAUD (WILHELM). Nucleih and the Formation of Uric acid . WEINTRAUD (WILHELM). Formation of Uric acid in Man . . . PEKELHABING (COBNELIUS ADRIABUS).Fibrin Ferment and Nucleo- proteid . . . - . . . . . . . . EtEsrNE (L.). Chemicitry of Mitosis . . . . . . . EDMUNDS (ARTHUR). Rennin and Milk Curdling . . . . . ALLEN (F. J.). Effect of Borax on Milk Curdling . . . . . REY (J. G.). Excretion and Absorption of Lime . . . . . SALKOWSICI (EXNSTLEOPOLD). Pentosuria . . . . , LEMAIRE (F. A.). Milk Sugar in the Urine after Child Birth. . . WEINTRAUD (WILHELX). Relationship of Levulinic acid to Aceton- uria . . . . . . . . . . . . . M'EINTRAUD (WILHELM). Excretion of Uric acid and Xanthine Bascs by theFzeces . . . . - . . . . . . BMALE (FRED. J.). Solubility of Uric acid in Urine. . . . . MORDHOBST (C.). Precipitation of Urates within and n itliout the Body. . . . . . . . . . . . . BAGINSKY (ADOLF) and PAUL SOXMERFELD.Alloxuric Substances in the Urine of Children in Disease. . . . . . . . DAIBER (A.). Indicaii, Indoxylsulphuric acid, and Conjugated Glycu- ronio acids in Urine . . . . . . . . . . BEANDENBURG (KURT). Poisoning with Potassium Chlorate . . . PADEBI (CESARE). Physiological Action of Cadmium . . . . CURCI (ANTONIO). Physiological Action of Thallium . , . . ROSEMANN (RUDOLF). Toxicity of Acetylene . . . . . . LUSINI (VALEBIO). Physiological Action of Ureides. I. Alloxan, Alloxantin, and Parabanic acid . . . . . . . . LIKHATSCHEFP (ALEXIS). Physiological Action of Gentisic acid . . ALBANESE (MAXBREDI) . Physiological Action of Caffe'ine and Theo- bromine . . . . . . . . . . . . BUKGE (RUNO TON). Alkaloids of Hydrastis canademis. , . . WICEE (A,) and HUGO WEISEE. Influence of Fat and Starch on Meta- bolism .. . . . . . . . . . . ELLINGER (ALEXANDER). Nutritive Valuc of Gland Peptone . . , FRIEDL~NDER (GEORG). Absorption of Prote'ids in the Small Intestine . HEINE (L.1. Molybdic acid as a Microscopic Reagent . , . . KWSEL (ALBRECET CARL LUDWIG MARTIN LEONHARD). Thymin from the Spermatozoa of the Sturgeon . . . . . . . MITCEELL (CEARLES AINSWORTH). Composition of Human Fat . . G~RASD (ERNEST). Decomposition of Amygdaliu in the Animal System HOLDEFLEISS (P.). Importance of Digested Crude Fibre as Food . . BIONDI (CESABE). Fermentative Processes in the Organs . . . COHNSTEIN (WILRELX). Theory of Lymph Formation . . . . moss^ (MAX). Formation of Sugar in the Liver . . . . . MENDEL ( LAFAYETTE B.). Paralytic Intestinal Juice .. . . MORACZEWSEA (SOPHIE TON). Alterations in the Blood in Anaemia . RUMPF (THEODOB). Excretion of Ammonia in Disease . . . . TAMMANN (GUSTAT). Action of the Kidney in the Light of the Theorp of Osmotic Presenre . . . . . . . . . . EIJKMAN (C.). . KELLAS (ALEXANDER). Percentage of Argon in Atmospheric and RespiredAir . . . . . . , . . . . HALLIBURTON ( WILLXAX DOBISON) and T. GEEGOB BRODIE. Action of Pancreatic Juice on Milk . . . . . . . . . M~NZEB (EGMUND) and P. PALMA. Metabolism in Poisoning by Carbonic Oxido and Nitrobenzene . . . . . . . . . MALPEAUX. Use of Sugar in Cattle Feeding . . . . , . MARCGSE (GOTTHELF). Nutritive Value of Case'in . . . . . REID (EDWARD WAXMOUTH). Intestinal Absorption , . . STOXVIS (BAREND JOSEPH). Hzematoporphyrinuria . . . Gaseous Exchanges in the Inhabitants of the Tropics PAGE ii, 4S8 ii, 488 ii, 488 ii, 489 ii, 489 ii, 489 ii, 489 ii, 490 ii, 420 ii, 490 ii, 490 ii, 490 ii, 491 ii, 491 ii, 491 ii, 491 ii, 491 ii, 491 ii, 492 ii, 492 ii, 402 ii, 492 ii, 492 ji, 535 ii, 536 ii, 536 ii, 536 ii, 537 ii, 537 ii, 570 ii, 570 ii, 616 ii, 616 ii, 616 ii, 617 ii, 617 ii, 618 ii, 618 ii, 618 ii, 661 ii, 661 ii, 662 ii, 662 ii, 662 ii, 663 ii, 663xxviii CONTENTS.EVE (0.0.). The Bssophil Constituent of Sympathetic Nerre Cells . PICKERIN@ (JOHN WILLIAM). Physiology of the Embryonic Heart . GR~HANT (NESTOR). Estimation of Ethylic Alcohol in the Blood after Introduction of the Liquid into the Veins, or of the Vapour into the Lungs . . . . . . . . . . . . PICKERING (JOHN WILLIAX). Blood Coagulation in Albinos ., , LAZARUS-BARLOW (W. S.). . PAVY (FREDERICK WILLIAX). Sugar Formation in the Alcohol Coagu- lated Liver. . . . . . . . . . . . FISCHEB (EYIL) and W. NIEBEL. Behaviour of Polysaccliarides with certain Animal Secretions and Organs . . . . . . MARTIN (CHARLES JAEES). Separation of Collo'ids and Cr-ptallok?s . UMBER (F.). Influence of Food containing Nucle'in on the Formation of Uric acid . . . . . . . . . . . . WALTI (LVDWIG). Influence of Atropine on the Secretion of Urine . COLLS (PERCY COOPER). Creatinine . , . . . . . KRAVM (WILLIAM). A new Solrent for Urinary Pigments . . , ZUNTZ (NATHAN). Phloridzin Diabetes . . . . . . . ZULZEB ((3.). Alloxuric Substacces in the Urine in Nephritis. . . EREHL (TZDOLF) and MAX MATTIIES. Febrile Albuminosuria .. CALVERT (JAMES). Effect of Drugs on the Tracheal Secretion . . BOKOBNY (THOMAS). Toxicological Notes on Ortho- and Para-com- pounds . . . . . . . . . . . Initial Rate of Osmosis of Blood Sernm Chemistry of Vegetable Physiology aid Agricu7t w e . RIETSCH (M.) and M. HEISELIN. Fermeiitation by Apiczllated Yeast: Influenee of Aeration on Fermentation by Elliptical Yeast a t a High Tempera.ture . . . . . . . . . . . MULLEB (EL). Effect of Abundant Application of Nitrogen on Assimila- tion and Respiration in Plants . . . . . . . . KINOSHITA (Y.). Consumption of Asparagine in the Nutritiou of Plants EINOSHITA (Y.). Assimilation of Nitrogen from Nitrstes and Ammonium Salts by Phaenogams. . . . . . . . . . DAIKUHARA ((3.). Reserve Prote'in in Plants . . . . . .LOEW (OSCAR). Formation of Yrote'ids in Plant Cells . . . . LOEW (OSCAR). Active Albumin as Reserw Material in Plants . . GRUSS (J.). The Function of Diastase in Plants . . . , . CHO I J.). Hydrogen Peroxide in Plants . . . . , . . EINOSEITA (Y.). Occurrence of two kinds of Mannan in the Roots of Conophallws konjakzc . . . . . . , , . . YOSHIMURA (K.). Compositioii of some Mucilages . . . . BERTBAND (GABBIEL). Laccage in Vegetables. . . . . . EINOSHITA (Y.). Asparagine in the Roots of Neluinbium nzlc?yemna . PLUWE (PIETER C.). Occurrence of Cytisine in various Pnpiliouacea . KEEMLA (H.). Composition of Pure Fruit Juices . . . . . HEME (OSWALD). Bark and Leares of Drimys granatensis L. . . HERPELDT (E.) and ALBERT STUTZBR. Amount of Fat, Sugar, and Tannic acidin Coffee .. . . . . . . . WIBTERSTEIN (ERNST). Composition of Pachyma cocos and JZ3litia Eapidescens . . . . . , . . . . . . LE BON (G.). Kola nut . . . , . . . . . TEOMP DE HAAS (R. W.) and BERNHARD TOLLENS. Coeo-nut Shells . BALZIIPND. Composition of some French and other Oats harvested in 1893 . . . . . . . . . . , . . BARBEY (GASTON). Cuscuta epitFgymum . . . . . . . INOUPE (M.). Preparation and Composition of Tofu . . . , SCHREIBER (C.). Action of Lime and Magnesia on the Soluble Phosphoric acid of the Soil . . . . , , . . , . . PAQ II: ii, 663 ii, 663 ii, 664 ii, 664 ii, 664 ii, 665 ii, 665 ii, 665 ii, G66 ij, 666 ii, 666 ii, 666 ii, 667 ii, 667 ii, 661 ii, 667 ii, 668 ii, 53 ii, 53 ii, 54 ii, 54 ii, 55 ii, 55 ii, 5 8 ii, 59 ii, GO ii, 60 ii, 60 ii, 61 ii, 61 ii, 61 ii, 6 2 ii, 62 ii, 63 ii, 63 ii, 64 ii, 64 ii, 6 4 ii, 65 ii, 65 ii, 66COXTEXTS.PAGNOXT,. Assimilable Nitrogen and its Transformations in Arable Soil , YOSHIMURA (K.). Beliariour of Hippnric acid in Hoils . . . . SOEW (OSCAR). Behaviour of Eippuric acid in soils . . , . OBEBLIN (C.). Effect of Carbon Bisulphide on Exhausted or ‘( Sick” Soils . . . . . . . . . . . . . RATTERER (KOSRAD). Saline Soil and Water from Persia . . . WETS and C. SCHREIBER. The Potash and Phosphoric acid required by Cultirat ed Plant J . . . . . . . . . . ULBRICHT. Value of Bone Phosphates . , . . . . . WAaEr‘ER (PATJL). Citrrlte Solubility of Basic slag as expressing its MlIunurial Value . . . . , . . . . . . PASSERIBI (N.). Chlorine in Rain Water . . . . . . YCHLCE~IIG (J.J, THEOPHILE). Losses of Nitrogen in Waters of Infil- tration . . . . . . . . . . . . RASILE (G.). Mannitol Fermentation in Sweet Wines . . . . CHASSEFAXT (ALLYRE). Action of Metallic Salts on the Lactic Ferinen- tation . . . . . . . . . . . . . CROSS (CHAELES F.) , EDWARD J. BEVAN, and CLAUD SMITH. Chemistry of the Barley Plant . . . . . . . . . . SOSTEGXI (L.). Tannin Colouring Matters of Red Grapes . . . MULLEX (HERXABB). Plipiology of Yeast and the Importancc of Selected and Pure Cultures for Wine Fermentation . . . SALKOWSKI (ERNST L.). The Sugar that forms in the Auto-Digestion of Yeast . . . . . . . . . . . . . ~YASTUKOFF. Measui*einent of tlie Reducing Power of pure Yeasts . , OMELIANSKI (V.). Fermentationof Cellulose . . . , . . RIVI~RE ((3.) and BAILHACHE.Ethylic Alcohol from the Fermentation of Aqhodefus ++amosus and Scilla inaritima . . . . . STOKLASA (JULIUS). Assimilation of Elementary Nitrogen by Plants . MOLISCH (HANS). The Mineral Food of Lower Fungi . . . . BEHRESS (J.). Physiological Studieson Hops . . . . . LOOKEREN (C, J. TAN) and P. J. VAN DEB TEEN. Formation of Indigo in Plants of the Order Indigofera . . . . . . . SCRROTTER-KRISTELLI. Occurrenceof Carotene . . . . . SCHELZE (ERNST). The Nitrogenous Constituents of Young Green Plants of the Vetch, Tli’cia sativa . . . . . . . . . BACZEWSXI (MAX). The Seeds of Nephelium Zappaceurn and the Fats contained therein . . . . . . . . , . 3 3 1 ~ ~ 6 ( B ~ L A VOJ). Chemical Composition of Capsicum . . . , WINTERSTEIN (ERBST). Constituents of the Tissues of Fungi.. , WINTERSTEIN (ERXST). Constituents of the Cell Membrane of Various Crjptogams . . . . . . . . . . . OSBOEXE (THOMAS B.) and CLARK 0. POORHEES. Protei’ds of Cotton SEED. . . . . . . . . . . . . KONIG (F. JOSEF) and EMIL HASELHOFF. Tnjury to Plants by Nitrcgen Acids. . . . . . . . . . . . . OTTO (R.). Effects of Strychnine on Plant Development , . . SCHULZE (BERNRARD). Black Siberian Lupins . . . . . PATTERSON (HARRY JACOB). Effect of Different Manures on the Composi- tion and Combustibility of Tobacco . . . , . . . BALLAXD. Composition of Rice Imported into France . . . . PITSCH (OTTO) and J. VAN HAARST. Are Nitrates Indispensable for the Growtli of Plants ? . . . . . . . . . . KONIG (F. JOSEF) and EMIL HASELHOFF. Assimilation of the Nutritive Matkers of Soil by Plants .. . . . . . . . ~ N Y D E R (HAXRY). Composition of Eathe and Cultivated Soils : Effect of Coutinuous Cultivation on their E’ertility . . . . . ZIomYrmsrsa (WILEELM). citrate Solubility of the Phosphoric acid of BasicSlasz . . . . . . . , . . . . XXiX PAGE ii, 66 ii, 67 ii, 67 ii, 67 ii, 68 ii, 68 ii, 68 ii, 6s ii, 69 ii, 69 ii, 121 ii, 122 ii, 122 ii, 122 ii, 201 ii, 202 ii, 202 ii, 202 ii, 203 ii, 203 ii, 207 ii, 207 ji, 207 ii, 208 ii, 208 ii, 209 ii, 209 ii, 210 ii, 210 ii, 210 ii, 210 ii, 211 ii, 211 ii, 211 ii, 212 ii, 212 ii, 213 ii, 219 ii, 214 LIEBENBERG +ON. Phosphate Manuring . . . . . . . ii, 214xxx CONTESTS. SCXULZE (BERNHARD). Pigeon Manure . . . . . . . WESBROOE (F. F.), Growth of Cholera Bacilli in Sunlight . . . PHIPSON (THOMAS L.).Origin of Atmospheric Nitrogen . . . ZIEGENBEIX (E.). Metabolism and Respiration in Sprouting Potato Tubers . . . . . . . . . . . , STOELASA (JULIUS). Assimilation of Lecithin in P1ant.s . . WYPLEL (N.) [ ? WYPFEL]. Effect of Chlorides, Bromides, and Iokdes; BERLESE and LIVIO SOSTEGNI. Effect of 'Copper Salts on the k r o i t h o i the Vine and on Soil . . . . . . . . . , HASELHOFF (EMIL). Injurious Action of Cobalt and of Barium on Plants BERTRAND (C~ABRIEL) and ALFRED MALL~VRE. Pectase , . . . BOURQTJELOT (EMILE E.) and GABRIEL BE~TRAND. Lacrase in Fungi . GAIN (E.). Amount of Substances soluble in Water in Plants . . QRANDEAU (L.). Sulla, (Haydoarum coranarium) , . , . . FEILITZEN (C. VON). ImporLance of Potash as Plant Food . . . PAGEOT (G.). Application of Phosphates and Superphosphates to Acid Soils .. . . . . .) . . . . . . GRANDRAU (L.). Application of Phosphates and Superphosphates to Acid Soils . . . . . . . . . . . . MAERCEER (MAX). Investigations [on Manures] at Hallo . . . HIEPE (WILLIAM L,). Fractional Fermentation of Cane Sugar with Pure Yeasts . . . . . . . . . . . BEOWX (HORACE T.) and GEORGE HARRIS MORRIS. Bacterial Infection by Air-sown Organisms . . . . . . , . , BEOWX (ADRIAN JOHN). Bacillus subtilis . , . , . . BOUPQUELOT (EMILE ELI$) and H. H~RISSEY. Alcoholic Fermentation produced by substances secreted by Aspsvgillus siger , . . LABORDE (J. €3. VINCENT). Fermentation of Maltose, by the Mould Eurcitiopsis Gayod . . . . . . . . BOURQUELOT (EMILE ELIB). Fermentation of Maltose, by the M o d Eurotiopsis Gayolti .. . . . . . . . . GILIMBEBT (UON). Action of Friedlander's P.neumococcus on sugars . ADENEY (WALTER ERNEST). Nature of Fermentative Changes in Natural and Polluted Waters and in Artificial Solutions as indicated b7 the Composition of the Gases in Solution , . . . . MOSSO (UGOLINO). . REY-PAILHADE (JOSEPH DE). Philothion and Laccase in Germinating Seeds. . . . . . . . . . . , . JAY (HENRY). Distribution of Boric acid in Plants . . . . TREUB (M.). Hydrocyanic acid in Paltgim edub . . , . . SCHXEEGAXS (AUGUST). Methylic Salicylate and Salicylic acid in the MAQUENNE (L~oN). Accumulation of Sugar in the Roocof t i e Beet . TSCHIRCH (WILLIAM OSWALD ALEXANDER). Toxicity of Copper Salts . PAGNOUL (A.). Transformations which Nitrogen undergoes in the Soil .DEHBRAIN (PIERRE PAUL). Effect of Carbon Bisulphide and of Horse Dung on Denitrification . . . . . . . . . PASSERIXI (NAPOLEONE). Action of Sodium Chloride and Nitrate, and . LECHARTIER ((3.). Analysis of Soil by Plants , . . . . . DEHBRAIX (PIIBRE PAUL). Field Experiments [with Wheat and Barley] at Gt-rignon in 1895 . . . . . . . . . . SALFELD (AUGUST). Employmenti of Quicklime in the Cultivation of Leguminoseae . . . . . . . . . , . PPIANISCHNIKOFF (DM.). The Processes of Germination . . . AEBY (J. H.). Nitrogen Assimilation by Plants . . . . , GONNERMANN (M.). A Diastatic Ferment in the Sugar Beet . . . SCHULZE (ERNST). Occurrence of Arginine in the Tubers and Roots of czrtnin Plants . . . . . . . . . . onAlgfe . . . . . . . . Effect of AlkaloYds on the Germination of Seeds Root of Polygala of Virginia , .. . . . , of Phosphates on the Solubility of the Potassium of the Soil . PAGE ii, 215 ii, 265 ii, 265 ii, 266 ii, 266 ii, 266 ii, 267 ii, 267 ii, 267 ii, 268 ii, 268 ii, 268 ii, 269 ii, 269 ii, 269 ii, 269 ii, 320 ii, 321 ii, 231 ii, 321 ii, 321 ii, 321 ii, 322 ii, 322 ii, 326 ii, 326 ii, 327 ii, 327 ii, 328 ii, 328 ii, 328 5,329 ii, 321) ii, 330 ii, 330 ii, 331 ii, 332 ii, 380 ii, 381 ii, 381 ii, 383COhTENTS. xsxi PAGE BOURQUELOT (EMILE ELI&) and GABRIEL BEBTRAND. Coloration of the Tiasues and Juice of certain Fungi when exposed to Air . . . BERSCH (WILHELX). Composition of Medlars. . . , . . BERSCH (WILHELM). Composition of Melons . . . . . . SMETS and C. SCHREIBER. The Potash and Phosphoric acid required by Cultivated Plants .. . . . . . . . . TACKE (BRUNO) and others. Behaviour of the Leguminous Nodule 'Bacteria towwds Caustic Lime. . . . . . . . . . BIL'LWILLER ( JOHANN) . Nitrogen Assimilation of some Pnpilionacea! , SIGMUND (WILHELM). Effect of Chemical Agents on Germination. . CLAUDEL and J. CEOCHETELLE. Effect on Germination of some Sub- stances used as Manures . . . . . . . . . GOETZE (K.) and THEODO~~ PFEIFFER. Formation and Behaviour of the Pentoses in Plants and Animals . . . . . . . . CSERHATI (ALEXANDER). Combustibility of Tobacco . . . . B R ~ A L (EMILE). Reduction of Nitrates in Arable Soil . . . . BURRI (R.), E. HERFELDT, and ALBERT STUTZER. Causes of Loss of Nitrogen in Decaying Organic Matter, especially Farmyard and Liquid Manure .. . . . . .) . . . . LARBAL~TIHER (A.) and L. MALPRAUX. Mauurial Effects of Magnesium LOEW (OSCAR) and SEIROKU HONDA. Effects of Different Amounts of Lime and Magnesia on the Development of Pine Trees . . . FERNI (CLAUDIO) and GIUSEPPE MONTESAXO. Inversion of Cane Sugar by means of Micro-organisms , . . . . . . . BERTRAND (GABRIEL). Bio-chemical Preparation of Sorbose . . , SCHULZE (ERNST). Nitrates in Seedlings. . . . . . . HBBERT (ALEXANDRE). Saps . . . . . . . . . GIUSTINIANI (ERCOLE). Constituents of Nettles . . . . , NACKEN (W. . Chemical Characteristics of Bilberry Juice . . . SCHLCESING ~ E A N JACQUES THBOPEILE). Nitric acid in the Waters of the Seine and its Chief Tributaries . . . . . . . BEESON (J. L.). Apparatus for estimating the Water-holding Power of S o i l s .. . . . . . . . . . . SAPOSCHNIKOFP (W.). Prote'ids and Carbohydrates of Green Leaves as Products of Assimilation . . . . . . . . . STOELASA (JULIUS). . NATJMANN (OTTO). The Tannin of Fungi . . . . . . STBOHYEE (FRIEDRICH), H. BRIEM, and A. STIFT. Nutrition and Formation of Substance in Sugar Beet in the Second Year of Growth . . . . . . . . . . . . SCHNEIDEWIND (W.) and H. C. MULLER. The Nutritire Substances of Beet-root . . . . . . . . . , . . OTTO (R.). Amount of Acid in Rhubarb Stems and in Rhubarb Wine . LINDET (GO.). Identification and Isolation of Acids contained in Plants . . . . . . . . . . BOUBQUELOT (EMILE ELIS). Presence df a Gflucoside of Methylic Sali- cylate in Monotropa liypopithys, and a Ferment which hydrolysee it . EHBICH (E.).Nitrogen Compounds of Malt and Beer Worts . , STIFT (A.). Composition of the Flower Dust of Sugar Beet . . , SCHLCESINGC (JEAK JACQUES TH~OPHILR). Sitrates in Potable Waters . BEBTRAND (GABRIEL). A new Oxydase or Soluble Oxidising Ferment of Vegetable Origin . . . . . . . . . . PUPIEWITSCH (KONSTANTIN A.). Assimilation of Nitrogen by Moulds . BENECKE (W.). Mineral Nutrition of Plants . . . . . . SCHULZE (ERNST). Occurrence OF Glutamine in Plants . . . . BURRI (R.), E. HERFELT, and ALBERT STUTZER. Causes of Loss of Nitrogen in decaying Organic Matter . . . . . . . SCHULZE (EBNST). Cell-wall of Cotyledons of Lupilaus Zuteecs and Lzcpinus anyustifolia . . . , . . . . . . Compounds and of Iron Sulphate . . . . . . The Position of Arsenic in Plant Production , ii, 383 ii, 353 ii, 384 ii, 384 ii, 439 ii, 440 ii, 441 ii, 442 ii, 443 ii, 444 ii, 444 ii, 445 ii, 445 ii, 446 ii, 493 ii, 494 ii, 494 ii, 494 ii, 495 ii, 495 ii, 495 ii, 496 ii, 537 ii, 538 ii, 538 ii, 538 ii, 538 ii, 539 ii, 539 ii, 540 ii, 540 ii, 541 ii, 541 ii, 571 ii: 571 ii, 572 ii, 572 ii, 572 ii, 618xxsii CONTENTS.JENTYS (STEF.). Decomposition and Assimilation of the Nitrogen Com- pounds of Stable Manure . . . . . . JOHNSON (SAXEEL WILLIAN) and EDWARD H. JENKTNS. kethLds o'f Determining the Arailability of Organic Nitrogen in Fertilisers. . LOGES (GUSTAV). Action of Vegetable Acids on Insoluble Phosphates in Presence of Nitmtes . . . . . . . , . . BAPP (R.). Influence of Oxygen on Yeast Fermentation . . . G~RARD (ERNEST). Fermentation of Uric acid by Micro-organisms .GODLEWSKI (EMIL). Nitrification . . . . . . . . XARCILLE. Nitrification . . . . . . . . . . BOKORNY (TEOMAS). Comparative Study of the Poisonous Action of various Chemical Substances on Bigs and Infusorirt . . . . GBUSS (J,). Digestion of Cellulose by Enzymes . . . . , BX~AL (EmLE). Decomposition of Vegetable Matters . . . . REMY. Man- urial iequirements of Rye . . . . . . . . . Assimilation of the Nutritive Matter of the Soil by Rye. Analytical Chemistry. BLEIER (O.}. New Forms of Gas Burettes . . . . . . BERTXELOT (MARCELLIN). Inertness of Oxidising and Reducing Agents in Analyses in the Wet Way . . . . . . . . BUGHES (JOHN). Estimation of Water in Commercial Ammonium Sul- phate. . . . . . . . . . . . , RAIKOW (P. N.). Detection of Chlorine, Bromine, and Iodine in Organic Compounds .. . . . . . . . . . YORTMANN (GEORG). Electrolytic Estimation of the Halogens . . SCHTJYTEN (M. C.). Estimation of Iodine in Organic Liquids . . . ASB~TH (ALEXANDER TON). Estimation of Sulphur in Pyrites . . SMITH (R. GREIG). Detection of Sulphates, Sulphites, and Thiosulplicltes in presence of each other . . . . . . . . . BLOXAM (W. POPPLEWELL). Qualitative Analysis of a Mixture of Hy- drogen Sulphide, Sulphite, Polysulphide, Thiosulphate, and Sulphate. CAUSSE (HEXRI E ). Estimation of Organic Kitrogen by the Kjeldahl Process . * . . . . . . . . . . NEUBAUER (HUGO). Estimation of Phosphoric acid by the Molybdic Method . . . . . . . . . . . . GRUEBER (VON). Analysis of Artificial Manures . . . . . FBIEDHEIW (CARL) and PAUL MICHAELIS. Gravimetric Estimation of Arsenic .. . . . . . . . . . . VILLTERS (A.) and M. FAYOLLE. Boric acid . . . . . . JAY (HENBI) and DUPASQUIER. Estimation of Boric acid . . . HALDAXE (JOHN $3.). Estimation of Carbonic Oxide in Air . . . SMITH (ERNEST A.) . Gold and Silver in Copper and Copper Matte . JOLLES (ADOLF). Detection and Estimation of Mercury in Urine . . XONINCK (LUCIEN L. DE). Volumetric Estimation of j?latinochlorides ; Estimation of Potassium, Ammonium, Nitrogen, and Platinunt . . RENRIQUES (ROBERT). Quantitative Separation of Benzene from Light Petroleum . . . . . . . . . . . . GOYDER (GEORGE A.). Analysis of the Cyanide Solutions used in the Extraction of Gold , . . . . . . . . LABORDE (J.), Estimation of Glycerol in Fermented Liquora . . PARTHEIL (ALFRED). Estimation of Ulycerol in Wine and Beer ., STIFT (A,). Estimation of Pentoaes and Pentosans in Diffusion Cuttings, Sugar Beet, and some Food Stuffs . . . . . . . X~ITIG (F. JOSEF). Relative Proportion of Glucose and Levulose in Sweetwines , , . . . . . . , . . KISTIAKOFFSKY (WIUDIYIB A.). Estimation of Glycogen in Liver and Muscle , . . . . . . . . . PAGE ii, 619 ii, 620 ii, 620 ii, 668 ii, 665 ii, 668 ii, 669 ii, 669 ii, 669 ii, 670 ii, 670 ii, 70 ii, 70 ii, 70 ii, 70 ii, 21 ii, 71 ii, 71 ii, 71 ii, $2 ii, 72 ii, 73 ii, 74 ii, 74 ji, 75 ii, 76 ii, 76 ii, 76 ii, 77 ii, 77 ii, 77 ii, 77 ii, 77 ii, 78 ii, 79 ii, 79 ii, 80CONTENTS. xsxiii PAGE fIlJrZlXGA (D.1. Estimation of Glycogen : Detection of Albumoses in Presence of Glycogen . . . . . .. . . . FREYER (FRANZ). Estimation of Formic acid. . . . . . DEXIGFBS (GEORGFES). The Resorcinol Test for Tartaric acid . . . BECKVRTB (HE~NRTCH) and H. HEILER. Esaminat’ion of Fats by incans of t l t e Rpf rac tome ter . . . . . . . . . . RECKURTS (HEIRRICH) a n d F . OELZE. DeerFat , . . , . GOSKE (A.). Lard Analysis . . . . . . . . . BUSSE ( WALTZR) . Examination of Pepper . . . . . . J ~ V S S E (WALTER). Nutmeg . . . . . . . . . K ~ H N (M.). Margarine Cheese and its Analyeis . . . , . KijN~a (F. JOSEP) and A. BONER. Ccimposition of Ment Extract . . BOUER tA4.). Precipitation o€ Albumoses by Zinc Sulphate . . . khrTZER (ALBERT). Estimation of Gelatin in Meat Extracts and Com- mercial Peptones . . . . . . . . . . JEKETT (FRANK F.). Arrangement for Washing Precipitates with boiling water .. . . . . . . . , . . . IinErDEa (D, ALBERT). Estimation of Perchlorate , . . . GIACOMELLI (LEOPOLDO). Qualitative h a l y s i s of mixtures of Sulphites, Carbonates, and Sulphates . . . . . . . . . GOOCH (FRANK A.) and W. C. REYNOLDS. Reduction of Selenious and Selenic Acids by Hydriodic acid . . . . . . . Coocn (FRANK A.) and P. S. EVANS. Reduction of Selenic acid by H>*drochloric acid . . . . . . . . . . GOOCH (PRANK A.) and W. S. SCOVILLE. Reduction of Selenic Acid by Potassium Bromide in Acid Solution . . . . . . . SHFRIIAX (H. C.). Estimation of Nitrogen in Fertilisers containing 1v itrates . . . . . . . . . . . . RUSYAN (E. G.) and IIAsvEY w. WTLEY. Estimation of Small Quantities of Phosphoric acid by the Citmte Method .. . WINTON (A. L.). Conditions affecting the Accuracy of the Estimation of Potassium as Platinochloride . . . . . . . . BASILE (G.) and E. DE CELLIS. Estimation of Lime in Soils . . . STONE (GEORGE C.). Volumetric Estimation of Zinc, and a new Indicator for Ferrocyanidee . . . . . . . . . . SPICA (MATTEO). Volumetric Estimation of Copper . . . . HAEE (C. L.). Qualitative Sepa~ation of the metals of the Iron Group . GJACOXELLI (LEOPOLDO). Qualitative Separation of Chromiiim and Tron . . . . . . . . . . . . KOSES ( WILLIAX A.’ and W. N. BLINKS. Estimation of Benzene in Illuminating Gas . . . . . . . . . . LOHRSTEIN (THEODOR). Densimetric Estimation of d-Gliieose in Urine . BESAKA (CARLO). The Polarising Microscope and Zeiss’ . Refractometer applied to Rutter Analysis .. . . . . . . . BEAL (W, If.). . CAZENEUTE (PAEL) and E. HADUON. Trustworthiness of Creamometers for the Estimation of Fat in Pasteurised Milk . . . . . KAXTFMANN (MAURICE). Estimation of Urea in Blood and Tissues . ~CfloNDORFF (BERNHARD). Estimation of Urea in Animal Organs and Liquids . . . . . . . . . . . . OECHSNXR DE COXINCK (WIcL1ar.x). Detection of Creatinine in Urine . RRUYLAPTS (GUSTATE). MorphineReactions . . . . . SLPKE (b. L. VAN). Estimation of Albumin in Milk . , . . KRUSS (QERIZABD) and H. KR~SS. New Method of Quantitative Spec- trum Analysis . . . . . . . . . . . PENFIELD (SAXUEL L.). Separation of Minerals of High Specific Gravity KASFLE (J. If.). New Reagent for Bromine and Iodine. . . . BVGARSZKY (STEFAN). Quantitative Separation of Bromine and Chlorine DEzrlvsTEDr (MAXIMILIANO) and CBSaR AIIRESS.Estimation of sul- W L LXX. ii. 3 VEDHODI (VIKTOR). Analysis of Fish Oils , f . . . &timation of Volatile and Insoluble acids in Butter ii, 80 ii, 80 ii, 80 ii, 81 ii, 81 ii, 81 ii, 82 ii, 8.2 ii, 82 ii, h.2 ii, 82 ii, 83 ii, 84 ii, 123 ii, 123 ii, 124 ii, 124 ii, 125 ii, 125 ii, 125 ii, 126 ii, 12G ii, 126 ii, 126 ii, 127 ii, 127 ii, 128 ii, 128 ii, 128 ii, 129 ii, 129 ii, 130 ii, 130 ii, 131 ii, 132 ii, 132 ii, 132 ii, 215 ii, 216 ii, 216 ii, 216xsxir CONTENTS. phurous Anhydride and Sulphuric acid in the Products of Combus- tion of Coal Gas . . . . . . . . . . . HEIBER. Estimation of X’itrogen in Pertivian Guano . . . . DAN (W. VAN). Kjelda’tl’s Method and Ylutinochloridea . . , SPICA (PIETRO).Toxicological Estimation of Phosphorus . . . DAWYD~W (L.). Testing for Arsenic in the Presence of Selenium . . JANNASCH (PAUL): Decomposition of Silicates by Boric acid . . . HCIIL~ESING ( h . , jun ). Kst imation of Argon . . . . . MAUZELTCS (ROBERT) and ALBERT VESTERBERG. Estimation of Calcium and Magneeium Carbonates in Soil . . . . . . , CVSHMANN (ALLERTON S.) and J. HAYES-CAMPBELL Volumetric Esti- mation of Lead . . . . . . . . . . . SMITII (EDUAR F.) and DANIEL L. WALXACE. ElectrdFtic Separations. JANNASCH (PAUL) and E. TON CLOEDT. Separation of Manganese from Zinc in Ammoniacal Solution by means of Hydrogen Peroxide under prcssure . . . . . . . . . . . ATKINSON (ELIZABETH A.) and EDGAR F. SMITH. Separation of Iron from Beryllium . . . . . . . . . . . JANNASCH (PAUL) and If.KAMNERER. Separation of Arsenic from Iron and Manganese . . . . . , . . . . STEAD (JOHN EDWARD). Chromium Estimations . , . . . JANNASCH (PAUL) and E. VON CLOEDT. Sleparation of Chroniium from Manganese, Iron, and Aluminium . . . . . . , RILLEBRAND (WILLIAM Z.). Warning against the Use of Flnoriferous Hydrogen Peroxide in Estimating Titanium . . , . . SMITH (EDGAR F.) and HAHBP B. EARRIS. Electrolytic Estimation of Ruthenium. . . . . . . . . , * . ~ I R S C H S O H N (EDUARD). Testiiig Ethereal Oils . . . . . CLENNEL (J. E.). Estimation of Simple Cyanides in Presence of Complex Cyanides and certain other Substmces . . . . . . BETTEL ( WILLIAK). Chemical Analj sis of Cyanide Working Solutions . XLIMONT (J.). Estiniation of Rosin Oil in Mineral Oil .. . . RIEGLER (K). Estimation of Total Solids and Alcohol in Wine by an Optical Method . . . . . . . . . . . GERRAHD (ALFRED W.). The Cjano-Cupric Estimation of Glucose . BUCHNFR ( G ~ o n a ) . Analysis of Urine : Esf innatiou of Small Quantities of Sugar by means of Nylauder’s Bismuth Solution . . . . ~IATREEOFER (Jos.) Estimation of Sugar in Preserred Fruits. . . J~LOWPTZ (ED ). Estimation of Cane Sugar in Malt . . . . I\ LAX (M.). Estiniation of I~ormaldehyde . . . . . . ME\ ER (RICHARD) and HEINBICH MEYEIt. E9timation of Benzoyl- aad I<ONINOK (LEONARD DE). Separation of Solid and Liquid Fatty Acids . Rrr;;aLER (E.). Estimation of Uric Acid by Feliling’s Solution . . tjcI[oEPp (a. J. L.). Detection of Salicylic acid in Beer . . . . BOI~NTHAOER (Asiiloa). Exantination of Oil of Bergamot .. . L l ~ E r z t n (14 .). Bstimutinn of Fat in Milk . . . . . . LONGI (ANTONIO). Rapid Estimation of Fat in Milk: a. New Lacto- hutvrometer . . . . . . . . . . . I%’ESSO$ (DAVID). Examinat,ion of Lard for Impurities . . . . I~LIIIER (OTTO). Apparatus for Gas Analjsis . . . . . . ~ ~ ~ O Q E R (MAX). Apparatus for Quantitative E1ectrcl;rsis . . . JANNASCH (PAUL) and P. WEINGARTEN. Estimation of Water in Si 1 icates . . . . . . . . . . . . BFEGAMI (F.). Cit-rate Method of Determining Phosphoric acid . . 2 DwARDs (VINCENT). Xspid Estimation of Insoluble Phosphate . . XONINGH (LEONARD UE). Teding for Arsenic in Alloys of Tin and L e a d . . . . . . . . . . . . READ (E. J.). Apparatus for the Estimation of Sulphur in Iron . . FUNK (ROBERT).Estimation of Sulphur and Carbon in Zinc . . . Acetgl-Groups . . . . . . . . * . . PAGE ii, 217 ii, 217 ii, 218 ii, 228 ii, 219 ii, 219 ii, 219 ii, 219 ii, 219 ii, 220 ii, 220 ii, 220 ii, 221 ii, 221 ii, 222 ii, 222 ii, 223 ii, 233 ii, 223 ii, 224 ii, 224 ii, 224 ii, 225 ii, 225 ii, 225 ii, 225 ii, 226 ii, 226 ii, 226 ii, 227 ii, 227 ii, 225 ii, 228 ii, 228 ii, 228 ii, 271 ii, 272 ii, 272 ii, 273 ii, 273 ii, 273 ii, 274 ii, 2i4CONTENTS. PAGE KOXINGH (LEONARD DE). Ettiimtion of Sulphurous Anhydride in Car- bolic Powders . . . . . . . . . . . LPNGE: (GEORG). . K~NINGII (LEOSAIPDE). Detection slid Estimation of Barium Sulphate UICFBE (ALFRED C.\. Volumetric Method of Lead Analysis . . . ENGELS (CARL). . R:DEAL (SAXTEL) and SIGXUND ROBENBLTJX. Analysis of Clirome-iron Ore, Ferrochromium, and Chrome-steel .. . . . . BETTEL (WILLIAM). Technical Analpis of Cyanide-working Solutiona . GLASENAPP (M.). Estimation of Pusel Oil in Rectified Spirit by Rose’s Process . . . . . . . . . . . . OPPESMANN (G ). Ed imation of Sugar . . . . . . . BORXTRAGER (BRTHUI~). Influence of the two Lead Acetates on the Estimation of invert Pugnr by the Fehling-Soshlet Method . . LANGE (GERHaRD). Eatirnation of Ceflulose . . . . . . DRAUEYDORFF (GEORG). Forensic Cheniibtry . . . . . . RONYN [G.). Detection of Formaldehyde . . . . . . KICHMOND (HENRY DROOP). Volatility of Fatty acids and Laws de- duced therefrom . . . . . . . . . . . KRWGER (MARTIN). Estimation of Uric acid in Urine . . . . WILLIAMS (Ro WLAND). Iodine and BrQmine Absorptions of Linseed Oil .. . . . . . . . . . . . HENRIQUES (ROBERT). Saponification in the Cold : Saponification Numbers and Reichert-Meissl Xumbers . . . . . , MANCEAU (E.). Estimation of Tannin in Wines . . . . . KIPPENBERGER (GAEL), Titration of Alkalo’ids with Iodine Solution . KOI ISCR (RUDOLF). Estimation of Creatininc in Uriiie . . . . UOTT (DAVID B.). Auay of Opiiini. . . . . . . , UYNEY (JOHN C.). Estimation of Aconitine , . . . , . CRIPPS (RICHARD A.). Assay of Ipecacuanha . . , . . . €IEWI.ETT (RICHARD T.). Ehrlich’s Diazo-reaction . . . . . LANDSTBTNER (I~ARL). Colour Reactions of Prot e‘ids with Nitrous acid and Piienols . . . . . . . . . . . SCHATEENIKOFF (M.) and IWAN M. SETSCRENOFF. Gas Analysis , . DENIGFS (GEORGES). Characteristic Colour reaction for Chlorates ., BLOUNT (BERTRAM). Estimation of Oxygen in Commercial Copper . MULDER (EDUARD). Tnfluence of Sulphurous Anhydride in Coal Gas flame^ on Qnnntitatire Estimations . . . , . . . GOOCH (FRANK AUSTIN) and A. W. PIERCE. Estimation of Selenious and Selenic acids * . . . . . . . . . WILLIAMS (C. B.). Estimation of Phosphoric acid in Soils by Precipita- tion with Molybdic Solution and Titration of the Ammonium Pliospi~omolybdate . . . . . . . . , KILGORE (B. W.). Estimation of Phosphoric acid by the Molybdate- Magnesia Method and by a Volumetric Method . . . . KILGORE (U W.). Estitnution of Pbosphoric acid by titration of the Ammooiiim Phosphomolybdtlte with Standard Alkali . . . GLADDIKG (THOMAS S.) . Gravimetric Method of Estimating Phosphoric mid as Ammonium Phoqhomolybdate .. . . . . DENIG~S (GEOKQES). Three &err Reagents for Nitrites . . . . BARTHE (LEONCE). Estimation of Boric acid . . . . . HEIDENHAIN (HEINRICH). Estimation of Carbonic Anhydride by Absorp- tion . . . . . . . . . . . . . MAWROW ( W.) and WILHELM MUTHMAKN. Estimation and Separation of Copper . . . . . . . . . . . . R,isrna (W. B.) and VICTOR LERHEP. Electrolytic Method for estimat- ing Mercury in Cinnabar . . . . . . . . . MOISSAN (HKNRI). Analysis of Aluminium and its Alloys , . . ATCIIP (GEORGE). Volumetric Estimation of Mitnganese . . . TARUGI (N.). Detection of Cliromlttes and Arseiiites . . . . Separation of Quartz from other Taricties of Silica Estimation of Manganese and Tin by Electroljsis . ii, 275 ii, 275 ii, 275 i i , 275 ii, 276 ii, 276 ii, 27G ii, 277 ii, 258 ii, 278 ii, 278 ii, 275 ii, 280 ii, 280 ii, 281 ii, 281 ii, 281 ii, 282 ii, 282 ii, 283 ii, 283 ii, 283 ii, 281! ii, 254 ii, 284 ii, 338 ii, 332 ii, 333 ii, 333 ii, 334 ii, 334 ii, 335 ii, 335 ii, 336 ii, 336 ii, 337 ii, 337 2,338 ii, 338 ii, 335 ii, 339 ii, 340xxuvi CONTENTS.I’ENNINGTON (MARY ENQLE). Niobium and Tantalum . . . . GILL (AUGUETUS H.) and HFRBERT APPLETON RICHARDSON. Estimation of Nitrites in Potable Ti-aters . . . . . . . . XrcHaaDs (ELLEN H.) and a. W. ELLMS. Colouring Matter of Natural Water. Its Source, Composition, and Estimation . . . . DIBDIN (WILLIAM JOSEPE). Microscopical Exuiriination of Water. . GILL (AUOVSTUS H.). and SAMUEL P. HUNT. Estimation of Methane and. Hydrogen by Explosion . . . .. . . . SESTINI (Pausio). Effect of adding A l ~ n i to Wine . . . . PY. Analysis of Bruit Sugars, Syrups, and Preserves . . . . WILEY (HARVEY WASHINGTON). Estimation of Levulose in Honeys and other Substances . * . . . . . . . . HERON (JOHN). . RITTER (GOTTPRIED TON). Estimation of Uric acid in Urine . . PEARMAIN (THOMAS HAMES) and CRESACBE GBOBUE MOOR. Coniposi- tiop and Analysis of Coiidensed Milk . . . . . . ITALLIE (LEOPOLD VAN). Iodine Number of Lard . . . . GORTER (K.). . MANKIBWICZ. Detection of Strychnine in a Medico-Legal Case . . JOLLES (ADOLF). A Delicate Test for Albumin in Urine. . . . LI I~OPF (ALEXANDER P.) . Gas Pipette of Simple Construction . . DENIGES (GEORQES). A new Cyanometric Method and its Applications . MABERY (CHARLES FREDERIC). [Estimation of Sulphur by Combustion in Air-] .. (I . . . . . . . . . . MABERY (CHARLES FREDERIC). Estimation of Sulphur in Illuminating Cias . . . . . . . . . . . , . MORSE ~HARHON NORTHRUP) and A. D. CHAHBERS. Standardisation of Po~assium Permanganate and Sulphuric acid . . , . , LINDEUNN and MOTTEU. Volunictric Estimation of Phosphorus . . MEILIARE (G.). The Moljbdic Reagent . . . . . . PATTINSON (JORN) and HUGH EALTIN PATTINSON. Estimation of Phos- phorus in Iron and Iron Ores . , . . . . . . MACH (F.) and MAX PASSON. Application of the Citrate Process to Wagner’s Method for the Estimation of Citrate Soluble Phosphoric acid in Basic Slags . . . . . . . . . , A NTOYY (UBALDO) . Detection of Chromates and Arsenat es . . . HATTENSAUR (GEORG). Estimation of Arsenic in Crude Sulphuric acid .STEAD (JOHN EDWARD). Estimation of Arsenic in Iron Ores, Steel, and Pig lron . . . . . . . . . . . . XMIILL~RE (G.). Estimation of free and combined Carbonic Anhydride in Carbonated WaterR . . . . . . . . . . TARUGI (N.). Exclusion of Ammonium Sulphide from Qualitative Analysis . . . . . . . . . . . . CAMERON (ALEXANDER). Estimation of Alkali Salts in Fireclays, Manures, &c. . . . . . . , . . . . BTANGER (W. HARRY) and BERTRAM BLOUNT. Testing of Hydraulic Cements . . . . . . . . , . . . LUNGE (GEOBG). Colorimetric Estimation of Iron . . . . . HEAL (CARLTON B.) and HENRY RICHARDSON YROCTEB. Analysis of used Liquors in Chrome Tannage . . . . . . . . MANN (IT.), M. KRUGER, and BERNHARD TOLLENS. Estimation of Pen- toses and Pentosans by the Purf uraldehgde Distillation Process.. O’SULL~VAN (JAMES). Hydrolysis and Estimation of Sugar . . . . RAUMER (ED. TON) and ED. SPAE’PH. Specific Gtravity of Milk Serum : Estimation of Lactose in Milk . . . . . . . . HXRON (JOHN). Polarisation arid Analysis of Black Beers, Worts, and Caramel . . . . . . . . . . . . MoRRrs (GEORGE EARRIS). Analysis of Beer, with some remarks on the Unfermentable Reducing Residue . . . . . . . ELION (H.). Est-ipiation of the Dry Substance in Malt Wort and Beer . Estimation of the Extract of Malt in the Laboratory Van de Moer’s Reaction and the Detection of Cjtiecine TAGE ii, 340 ii, 340 ii, 340 ii, 341 ii, 341 ii, 342 ii, 342 ii, 342 ii, 348 ii, 343 ii, 333 ii, 316 ii, 334 ii, 31.4 ii, 385 ii, 383 ii, 387 ii, 387 ii, 344 ii, 388 ii, 388 ii, 389 ii, 389 ii, 389 ii, 390 ii, 390 ii, 390 ii, 301 ii, 391 ii, 392 ii, 302 ii, 392 ii, 393 ii, 393 ii, 394 ii, 394 ii, 394 ii, 39 E ii, 895CONTENTS. X STERN (ARTHUR LANDAUER).Estimation of the Extract of Malt . . REBI~RE ((3.). Estimation of Alkali Benzoates . . . . . BRENZINGER (KARL). Estimation of Parasulphanilic acid . . . LT~PINOIS (E.). Acidity of Urine . . . . . . . . JAY (HENRY). Volatile Acids of Wines . . . . . . . SIDERSKY (D.). Simultaneous Estimation of Organic and Inorganic Acidity in Beetroot Juice . . . . . . . . . LEWKOWITSCH (JULIUS). Analysis of Fats : Colour Reactions . . SCHWEITZER (HUGO) and EMIL E. LUNQW~TZ. The correct Iodine $Sum- ber . . . . . * . * . . . . BISHOP (W.). Estimation of the Oxidisability of Oils . . . . HALPHEN (GEoRaas].Detection of Vegetable or Animal Oil in Mineral O i l . . . . . . . . . . . . . SCHWEITZEP (HUGO) and Ex15 E. LUNGWITZ. Commercial Analysis of Lard . . . . . . . . . . . SCHWEITZER (HUGO) and EMIS E. LUNGWITZ. Analysis of Lard Oil : SCHWKITZEB (HUGO) and EMIL E. LUNGWITZ. Analysis of Whale Oil . PARRY (ERNEST JOHN). Rantal Wood Oil . . . . . . SPAETH (ED.). Analysis of Soap : . . . . . . . SCHWEITZER (Huao) and EMIL E. LurmwIrz. Detection of Soap in Lubricants. . . . . . . . . . . . KREMEL (ALOIS). Detection of Aloes in Mixtures . . . . . F O R ~ N E K (EMAXUEL) . Identification of Alkalolds and Glucosides . KISSLINQ (RICHARD). Estimation of Nicotine and Ammonia in To- bacco. . . . . . . . . . . . . . DOBRINER (PAUL) and WILHELM SCHRANZ. Estimation of small amounts of Aniline in Toluidine, and of Tolriidine in Aniline .. . . DOBUINER (PAUL) and WILHELM SCHRANZ. Estimation of Water in Aniline and in Ortho- and Paratoluidine . . . . . . KEBLER (LYMAN F.). Estimation of Morphine in Opium . . . PBOCTER (HENRY RICHARDSON). Estimation of Tanning Matter . . ZANQEMEISTEP ( WILHELM). A Colorimeter : Colorimetic Estimation of Hamoglobin . . . . . . . . . . . CARNOT (ABOLPHE) . Volumetric Analysis of a Mixture of Chlorides, Hypochlorites, and Chlorates . . . . . . . . CARNOT (ADOLPHE) . Analysis of a Mixture of Chlorides, Chlorates, and Perchlorates . . . . . . . . . . . BRAND (J,), Detection of Fluorine in Beer . . . . . . ASB~TH (ALEXANDER TON). New Process for estimating Sulphur in Organic Compounds . . . . . .. . . , WAGNER (PAUL). Estimation of Citrate 8oluble Phosphoric acid . . ENGBL (RODOLPHE) and J. BERNHARD. Estimation of Arsenic . . GAUTIER (EMILE JULES ARMAND). Estimation of Arsenic . . . JORGFENSEX (GUNNER). Volumetric estimation of Boric b i d . . . PEIPFRS. Estimation of Carbon in Iron . . . . . . . WUST (F.). A New Apparatus for estimating Carbon . . . . DUPASQUIER (J.). Separation of Calcium from Strontivlm and Barium . LEGLER (LUDWIG). Estimation of Zinc in Dried Apples. . . . NISSENSON (H.) and B. NEUMANN. Estimation of Copper by Precipita- tion with Sodium Thiosulphate . . . . . . . . Low. The Iodide Assay for Copper. . . . . . , . GEOLUES. Estimation of Alum in Wines . . . . . . ILINSKI (MICHAEL YON). Detection of Cobalt by Nitroso-&naphthol . BAILEY (HENRY).Analysis of Tin Slag . . . . . . . KISSLIKG (RICHARD). Testing Petroleum by Fractional Distillation . CARPENTIER (E.). Detection of Paraffin in Olive Oil . . . , FOERSTER (OTTO). Estimation of Oil of Mustard . . , . . LEWKOWITSCH (JULIUS). Assay of Glycerol for the manufacture of Dynamite . . . . . . . . . . . GUNNING (JAN WILLAM). Estimation of Water in Raw Sugars . . 3-2 .xxvii PAGE ii, 396 ii, 396 ii, 396 ii, 397 ii, 397 ii, 397 ii, 398 ii, 398 ii, 398 ii, 399 ii, 399 ii, 399 ii, 399 ii, 400 ii, 400 ii, 400 ii, 4&1 ii, 441 ii, 401 ii, 4@2 ii, 403 ii, 403 ii, 443 ii, 4M ii, 447 ii, -447 ii, 447 ii, 4 8 ii, 448 ii, 448 ii, 449 ii, 4!49 ii, 449 ii, a 9 ii, 450 ii, 450 ii, 450 ii, 450 ii, 451 ii, 451 ii, 451 ii, 452 ii, 452 ii, 452 ii, 452 ii, 453s xx viii COXTEKTS.STIFT (A.). Estimation of Peatoses and Pentosans by means of the Furfuraldeliyde Reaction . . . . , . . . . KJELDAHL (JOHAN GUSTATE CHRISTOPHE THAKSAGER). Behaviour of Sugars towards Alkaline Copper Solution . . . . . . OST (I~BRMAKN). Estimation of Sugars by Means of Alkaline Copper Potassium Carbonate . , . , . . . . . . STOBODA ( HANNO). Behaviour of Basic Lead Acetate towards Sugar Solutions . . . . . . . . . . . . SCHEURER-KESTNEP (AUGUSTE) . Estimation of the Acidity of some Pyroligneous Products . . . . . . . . . VITALI (DIOSCORIDE). Oxalic acid and Putrefttction . . . . WALLER. Improvement in Riibl’s Chloro-iodine Process . . . LXVIN (P.). Testing Vegetable Oils and Butter . . . . . SPAETH (ED.). Estimation of the Acetyl Numbers of Lard, Cotton Seed Oil, and Tallow .. . . . . . . . . . VOQEL (H.). Testing of Lard . . . , . . . . . JEAN (FERDINAND). Analysis of Lard and Similar Pats . . . . DTJPONT (J.). Detection of Cotton Seed Oil in American Lards . . BUCHKER (GEORG). Rapid Estimation of Wax-substitute in Beeswax . SCHWEITZER (HUQO) and EMIL E. LUNGWITZ. Testing Acetone . , SCHUYTEN (M. C.). Volumetric Estimation of Antipyrine . . . CAMPBELL (EDWARD D.) and E. 13. HART. Estimation of Hjdrogen by means of Palladious Chloride . . . , . . . . S JOQTJIST (JOHN), Estimation of Free Hydrochloric acid in Gastric Juice . . . . . . . . . . . . . HEFELMANN (RUDOLF) and PAUL MANN. Detection of Fluorine in Seer. NIVIBRE ((3.) and A. HUBERT. Detection of Fluorine in Wine . , HEATH (a. L.). Estimation of Sulphur in Refined Copper , .. KELLER (HARRY FREDERICK) and MAAS. Estimation of Sulphur in Roasted Copper Ores and Cupriferous Pyrites . . . . . PHILLIPS (PRABCIS C.). The Evolution Metrhod of the Estimation of Sulphur in White Cast Iron . . . . . . . . LUNGE (GEo~~G). Estimation of Sulphur in Pyrites. . , . . BALLAND and MALJEAN. Detection of Free SulFhuric acid in Leather . BARTON ((3. E.). Arsenic in Glycerol . . . . . . . SHIMER (PORTER W.). Estimation of Graphite in Pig-iron . . . SZYFER (L.), Estiniation of Lime by an Alcoholic Solution of Potash S o a p . . . . . . . . . . . . . FaEsENIUs (CARL REMIBIUS) and E. HINTZ. Solubility of Barium Sulphate . . . . . . . . . . . Ruoss. Volumetric Estimation of Metals precipitable by Alkalis, and Applications of the Rfethod.. . . . . . . . LESC~EUR (HENRI) and CL. LEMAIRE. ‘Golumetric Estimation of Zinc . ECKENROTH (HUGO). Analysis of Galena. . . . . . . APINDBEWS (LAUNCELOT). Analysis of Alloys of Lead, Tin, Antimony, and Arsenic . . . . . . . , . . . BORNTRAQER (HUGO). Solution of Ignited Ferric Oside and other Xetallic Oxides . . . . WELLS (HORACE LEXUEL) and W. L. MITCHELL. Volumetric &tima-- tion of Titanic acid and Iron in Ores . . . . . . . BLAIR (ANDREW A.) and J. EDWARD WHITFIELD). Ammonium Phospho- molybdate, and the Reducing Action of Zinc in the Reductor . . DUCLAUX (EXILE). Estimation of Alcohols and Volatile acids . STUTZER (ALBERT) and R. MAUL. Estimation of Fnsel Oil in Refined Alcohol . ‘ . . . . . . . . . . . TOLLENS (BERNHARD). Detection of Pentoses by Precipitation with Phloroglacinol .‘ . . . . . ”. . - . . . HEFELMANN (RUDOLF). Estimation of Sugar by the Copper Method . STROHMER (FRIEDRICH) and A. STIFT. Estimation of Crystallisable Sugar in Raw Sugars . . . . . . . . . . PAGE ii, 453 ii, 453 ii, 453 ii, 454 ii, 454 ii, 454 ii, 454 ii, 454 ii, 454 ii, 455 ii, 455 ii, 455 ii, 456 ii, 456 ii, 456 ii, 496 ii, 496 ii, 497 ii, 497 ii, 497 ii, 498 ii, 498 ii, 498 ii, 499 ii, 499 ii, 499 ii, 499 ii, 499 ii, 500 ii, 501 ii, 501 ii, 501 ii, 502 ii, 508 ii, 503 ii, 504 ii, 504 ii, 504 ii, 503 ii, 505CONTENTS. xxxix WOLESKY (I?.). Detection of Wood Pulp in Paper . . . . MEDICUS (LUDWIG). Estimation of Aldehyde in Spirits of Wine . . CRISMER (LBox). Critical Temperatures of Solutions : a New Constant for the Identification of Oils .. . . . . . . MJOEN (J. ALFRED). Fatty Oils of Xecnle co?*nutum and of the Seeds of Stmphaiatus hispidus and Ryoscynmus niger . . . . . STBOIIL (A). . V AUBEL (WLLHELH). Estimition of Benzidine and Tolidine . . . \‘A UBEL (WILHELV). Behaviour of Naphthols and Naphthylamines with Nascent Bromine . . . . . . . . . OTTO (ROBERT). Behaviour of Warcotine and Papayerine in the Stas- Otto Method of detecting Alkaloids . . . . . . . HLRSCHSOHX (EDUAED). Detection of Patty Oils in Copaiba Balsam : a New Test for Gurjun Bidsani. Detection of Colopltony in Guaia- cum Resin and Balsams of Tolu and Copaiba . . . . . SPAETH (EDUARD). Estimation of Jalap Resin in Medicines. Detection of Strychnine in Corpses . . . . . . . . . KorvrNaH (LEONARDE). Estimation of Water in Superphospltates .LUi>WIG (EUaEN). Use of Aldehydes containing Ozone for the rletection of small quantities of Iodine in presence of Chlorine and Bromine . JANNASCH (PAUL) and H. LEIINERT. Estimation of Sulphur in Inorganic Sutphides . . . . . . . . . . . . AVCHY (GEORGE). Drown’s Method of Estimating Sulphur in Pig Iron. CONE (EDWIN I?&). Estimation of Pyri-liotite in Pyrites . . . . HOPKINS (CYRIL G.). New Safety Diztillation Tube for Nitrogen Estinia- tions . . . . . . . . . . . . . YEITCH (F. P.). Modifications of Pemberton’s Tiohmetric Method of estimating Phosphoric acid in Fertilisers . . . . . , RKICH (ALFRED). [Analysis of Silicates containing Fluorine] , , BLAIR (ANDREW A.). Estimation of Carbon in Steel . . . . NANTIER (A.).Rapid and exact Estimation of Lime in Soils . , , HEIDENREICR (MAX). Quant tative Analysis by Ele~trolysis . . . JANNASCH (PAUL). Delicate Form of the Mercury Iodide Keaction. . JANNASCH (PAUL) and H. LEHNEBT. Separation of Mercury from other Metals by heating the Sulphides in a currelit of Oxygen . . . JANNASCH (PAUL). Separation of Manganese from Copper and Zinc and of Copper from Zinc and Nickel. . . . . . . . MIXER (C. T.) and If. W. DUBOH. Sarnstrom’s method of estimating Manganese in Iron Ores . . . . . . . . . STOKE (GEORGE (2.). Volumetric Estimation of Manpnese . . . JANNASCR (PAUL) and H. LEH~ERT. Sepiration of Metale in Alkaline Solution by means of Hydrogen Peroxide. XV. . . . . TARUGI (N.). Detcctiori of Cttrttniates and Arsenites . . . . HAZEN (ALLEN). Estimation of the Coloura of Natural Waters .. EGELING (CORNELIS GELDENSTEEDEN). Detection of Lvad and Copper in Potable Waters . . . . . . . . . . ANTONY (UBALDO) and T. BENELLI. Estimation of small quantities of Lead in Water . . . . . . . . . . . HOPMAN (J. J.). Estimation of Sodium Salicyltlte in presence of ‘‘ Ichthjol ” . . . . . . . . . . . WILEP (HARTEY WASHINGTON). Determination of the Heat of Bromin- ation in Oils . . . . . . * . . . . ~ ~ A I N W R I O H T (J. HOWARD). Estimation of the Solid Fat in Artificial KAXBUROER (HARTOG JAKOB). Estiinaticm of added Water i n Milk by taking i t 3 Freezing Point . . . . , . . . . KIJBLr (MELCHIOR). New method of Testing Quinine . . , , l l E s s E (ORWALD). Testing Qcinine Sulphate . . . , , KbSLEn (LYMAN F.).Acidimetric Estimation of Vegeta5le Alkaloxds : a Study of Indicators . . . . , . . . . Iodine Number and Refractive Index of Cacao Butter Mixtures of Vegetable and Animal Fats and Oils . . . PAG 1: ii, 505 ii, 505 ii, 506 ii, 506 ii, 506 ii, 507 ii, 337 ii, 508 ii, 508 ii, 508 ii, 541 ii, 51.2 ii, 542 ii, 513 ii, 543 ii, 543 ii, 543 ii, 5-14! ii, 544 ii, 545 ii, 5-45 ii, 545 ii, 546 ii, 546 ii, 547 ii, 547 ii, 547 ii, 548 ii, 543 ii, 549 ii, 549 ii, 549 ii, 549 ii, 550 ii, 550 ii, 550 ii, 550 ii, 551Xl COXTEXTS. LEWIN (Louxs). A forensic Examination for Strychnine . . . . KILIANI (REINRICH). Detection of the Glucosides of Digitalis and the Products of their Hydrolysis by means of Sulphnric wid eontainitig a Ferric Salt , . . . . . . . . . . . PEINRMANN (ICAm).Cubebs and its Sdulterants , . . . . HOPPE-SEYLBR (GEORG). P. Hoppe-Seyler's Double Colorimetric Pipette KONINGH (LEONARD DE). Estimation of Solid Matter it1 Eeef-Tea . . BLEIER (OTTO). Apparatus for Gas Ana1,ysis . . . . , . RIEGLER (E.). Standardisation of l'hiosulpliate bp Todic acid. . . RIEGLER (X.). Volumetric Estimation of Soluble Ioclides . . . ENQlER (CARL) and w. WILD. Stymation of Ozone from Hydrogen Peroxide and recognition of Ozone in thc Attnosphere . . . HINDS (J. I. D.). Photometric ~letliod fcr the Estiination of Lime and Sulphuric acid . . . . . . . . . . . JANNASCH (PAUL). New Method of converting Sulphates into Chlorides AUFSCHLAGER (HEINLICH). Action of Fused Polpul~hides on Nitro- genous Organic Substances . . . . . . . . REITXAIlz (OTTO).t.'itrate-Solublc PhGFphOriC acid. . . . . PASSOX (Max). Cowlparatire Methods for Estimating Citrate-soluble Phosphoric acid in Bmic Slag . . . . . . . . GORGES. Source of E k o r as to tito Presence and Estimation of Boric acid ALLEN (ALFI ED HENRY). Preparation of pure Hydroflnoric acid . . JaNxasc~ (PAUL) bnd 0. WEIL'ENREICH. Deconiposition of Silicates by Soric acid . . . . . . . . . . . . JANrrascH (PAuI). Bchaviour of Minerals of the Andalusite Group towards Decompoeing Agents . . . . . . . . TOGEL (J. H.) and H. HAFFCTE. Estimation of Potabsium . . . TRAUBE (HERIIIANN). Microchemical Reactions [of Bsrium m c l Silver]. RITTER.(GOTTFRIED TCN). Estimation of Zinc in Organic Falts . . SCERODER TON DER KOLK (J. L. C.). Louble Compounds of Aniline and Metallict salts .. . . . . . . . . . BROOKS (CECIL J.). Estimation of Tin . . . . . . . LECCO (MARCO T.). Occurrence uf Ioc!ine in Waters . . . . ROXIJN (GtYsBmtT). Estimation of ditsolred Oxygen . , . . BASSETT (HEKEY). Analyeisof Anthracene . . . . . . FXESEKTTJS (HEINRTCH) and C. J. S. MAKIN. Estimaiion of Phenol in Soaps and Disinfectants . . . . . . . . . TOLLENS (BERNARD). Estimation of Pentoses and Pentosans by the Furfuraldehyde Method . . . . . . . . KJELDAIIL ( JOHAN GUSTAV CHRISTOPEE THORSAGER). Estimation of Siigars by Fefiling's Solution . . . . . . . . CAUSSE (HENRI EUG~NE). Estimation of Glucose. . . . . BECKMANN (ERNST). Examinationof Honey. . . . . . RICHMOND (HENEY DROOP) and L. XIDGELL EOEELXY. Detection of Formulin . . . . . . . . . . . . HEHNER (OTTO).Detection of Formalin . . . . . . . SMITH (HAXRY M.). Estimation of Formaldehyde. . . . . H ~ A S (B.). Estimation of Tartar and Tartaric acid in Wines . . ALLEN (ALPRED HENRY). Composition and Analyeis of Commercial Cream of Tnrtar . . . . . . . . . . ALLEN (ALFRED HEXRP). Estimation of Quinino . . . . . CARREZ (C.). New Reaction for Antipgrinr and for Quinice . . . THAN (CARL VON). A Compensation Uethod in Basometry . . . STAHL (KARL F.). Volumetric Estimation of Hjdrofluoric acid . . GLADDING (THOMAS S.). Estimation of Sulphur in Pyites . . . SABATIER (PAUL). . WINTON (A. L.). A Modified Ammonium Molydate Soltit ion. . . LOXD (NATRANIEG WUIGHT). dimple Method for Deterinining tlie Neutrality of the Ammonit m Citrnte Solution used in tlie Analjsis of Ferrtilisers . (i . , . . . . . . . . Detection of Nitrites by rncans of Cuprous Salts ii, 551 ii, 552 ii, 554 ii, 558 ii, 573 ii, 573 ii, 573 ii, 574 ii, 574 ii, 574 ii, 574 ii, 575 ii, 5 i 5 ji, 575 ii, 5'75 ii, 576 ii, 576 ii, 57'; ii, 578 ii, 5% ii, 558 ii, 579 ii, 559 ii, 579 ii, 380 ii, 580 ii, 580 ii, 580 ii, 582 ii, 5S2 ii, 583 ii, 583 ii, 51.3 ii, 588 ii, 584 ii, 534 ii, 584 ii, 021 ji, 621 ii, 622 ii, 622 ii, 622 ii, 623CONTENTS. xli I’AGE ERTAST (A. P.). HEYRTET. S~paraiioii of the Insoluble Phosphoric acid derired from Bone Phosphate from that derir ed froin Mineral Phosphate Rapid Estimation of Carbonic Aiilrjdridc in the Atinosphcre, k c . . . . . . . . . . * . . . HOITJEMA (C.). The End-point in Gay-Lussac’s Method of Silver Titra- tion . . . . . . . . . . . . . KUSTRR (FRIEDRTCH WILHELM). Soliiiility of Barium Sulpltnte . . Lorar (ANTONIO) and L. BONATTA. Voluinetric Estimation of Lead . XicHnL~oN (HUDSON H ) and S. AVERY. Electrolytic Estimation of Iron, Nickel, and Zinc. . . . . . . . . . . AUCHY (GEORGE). Sources of Error in Volhard’s and Similar Methods of estimating Manganese in Steel . . . . . . . WILEY (HARVEY WASHINGTON) and ERWIN 33. EWELT,. Estimniion of Lactose in Milk by Double I)ilution and Polarisation. . . . TITALI ( DIOSCORIDES). Toxicological Exainination for Mercuric CJ anide VLZER (FERDINAND) and HEINRICH SETLEL. MOULIN (L.). A New Test for Aspsragiiie . . . . . . JAWOROWSEI. Test for Cinchona Alkalo’ids . . . . . . PETIT (AFGUSTE) rind P. TERRAT. Fstimation of Caffeine in Tea . , QEDRODI (VIKTOR). Estimation of R’irotine and Ammonia in T C J ~ ~ C C O . CAZENEFVE (PAUL). Distinction between Magent a a i ~ ! “ Acid Magenh.” BELAR (ALBIN). Examination of Xed Wines for Poreign Colouring Matters . . . . . . . . . . . . SCHJERNING (NIELS CHRISTIAN HENBIK). Quantitative Separation of Yrotei’ds in Beer Wort . . . . . . . . . RALKE and IDE. Estimation of Phosphorcarnie acid . . . . BRE IRLEY (H.). Auto-pneumatic stirrer. . . . . . . BTLTZ (HRINRICH). A Modified Form of Measuring Flask . . . NORACZEWSKI ( WACLAW VON). Estimation of H-jdrocliloric acid in the Gastric Juice . . . . . . . . . . , BOUCHER (G. G.). Estimation of Sulphur in Cast Iron or Steel . . JANNASCH (PAUL EHXHARDT) and 0. HEIDENREICH. Zstimation of S~ilphur in Inorganic Sulphides. VT. . . . . . . LUNGE (GE~RG). Precipitation of Barium Sulpliate by means of? Barium Chloride. . . . . . . . . . . DOBRINER (PAUL) and WILHRRLM SCIIRSE’Z. Estimation of Sulphui-io Anhydride in Fuming Sulphurir acid : Estimation of Sodium Sul- phide . . . . . . . . . . . . PEIRCE (A. W.). Gravimetric Estimation of Sclenium . , . . 3)UBBERS (H.). Experiments 011 tlie Citrats-solubility of Basic sligs . PHEJPS (J. K.). lodometric Estimation of C:arbonic nerd . . . GEELMFYDEN (H. CHR.). Kew Bar\ ta Tube . . . . . . RICHARDS (JOSEPH W.). Separation of Silver from Gold bg Volatilisntion NEFBAUER (HUGO). Estimitticn of Magnesia as Rlagtiesiii~n l’yrophos. pliate . . . . . . . . . . . . . XONINCK (LUCIEN LOUIS) and EUGENE PROST. Volumetric Estimation of Zinc by means of Potassium Ferrocyanide . . . . . JANNASCH (PAUL ERRHALLUT). Separation of Mercury from Arsenic, Antimony, and Copper by Ignition in a Current of Ox~gen . BREARLEY (EI.). Estimation of Nickel in Steel . . . . . RIEGLER (E.). Standardisation of Permanganate . . . . . FI~ESENIUS (CARL RExraIus) and E;. HINTZ. Examination of Cons- mewial Thorium Nitrate and Separation of Thorium and Cerium . J ~NXASCH (PAUL EHRRARDT) and 8. GROSSE. Separation of Bisniutti from the Metals of the Copper and Iron Groups by heating their sdts in aCurrent of Dry Hydrogen Chloride . . . . . . FRTTSCHE (P.). Estimation of Ethylene i n Gaseous Mixtnres . . . PAS~ON (MAX). Estimation of Esbential Oil of Mustard in Feettifig Cakes. . . . . . . . . . . , . FABRE (CHARLE~). Egtimation of Potassium . . . . . Analjsis of Wool-grcase . ii, 623 ii, 624 ii, 624 i;, 624 ii, 625 ii, G25 ii, 627 ii, 627 ii, 628 i i , C28 in, 628 i , 619 i , 629 ii, 629 ii, 630 ii, 630 ii. 630 ii, 631 ii, 632 ii, 671 ii, 671 ii, 6’71 ii, ti71 ii, 671 ii, 673 ii, 6’72 ii, 673 ii, 673 ii, 673 ii, 674 11, 674 ii, 674 ii, 675 ii, 675 ii, 676 ii, 6’76 ii, 677 ii, 6’77 ii, 6’78 ii, 678sl ii CONTESTS. REID (EDWAR~ WAYMOUTH). Esiimation of Oxygen in Blood . . GEELMUPDEN (E. CHR.). Messinger's Met hod of Estimating AcetoiTe . BORXTRAGER (ARTHUR). Examination of Oil of Bergamot . . . HEFELMANN (RUDOLF) and PAUL MA". Siinple Process for teatiug Linseed Oil, Boiled Oil, and Paints . . . . . . . KAm (ALEXANDER). Iodine Numbers of Pure and Boiled Linseed Oil . FfLSINQER (F.). Iodine Number of CacaoButter . , . . . HENZOLD (OTTO). Extracting Fat, from Cheese for Testing Purposes . I<II>~JENBERGE~C (KARL). New Method for Quantitative Isolation of Alkal oi'ds , . . . . . . . . . . . KIP PEN BERG EL^ (KARL). Titration of AlkaloYdq with Todine SolutioB . LRDDEX HUZSEBOSCH (MARIUS L. &. VAN). 'Iecting Cinchona &xtract . I<ELLER (c. c.). Reactions of Ihgitalin . . . . . . . SinzEI: (ALBERT). Cheaicul Examination of Cheese . . . . P A 0 6 ii, 678 ii, 679 ii, 679 ii, 8x0 ii, 680 ii, GSO ii, 680 ii, 681 ii, 682 ii, 682 ii, 683 ii, Gb3