LONDON:

HARRISON AND SONS, PRINTERS IN ORDINARY TO HER MAJESTY, ST. MARTIN'S LANE.

CONTENTS.

ABSTRACTS OF PAPERS PUBLISHED IN OTHER JOURNALS :-

General and Physical Chemistry.

STBOUMBO. Production of White Light by Mixing the Colours of the

Spectrum

LIEBERMANN (C.) and S. v. KOSTANECKI. Spectra of the Methyl-derivatives

of Hydroxyanthraquinone

VERNEUIL (A.). Preparation of Calcium Sulphide with a Violet Phos
phorescence

BOISBAUDRAN (L. DE). Fluorescence of Manganese Compounds
BOISBAUDRAN (L. DE). Fluorescence of Bismuth Compounds

LUVINI (J.). Electrical Conductivity of Gases and Vapours

WINKELMANN (A.). Relation of the Conductive Capacity of Gases to Tem-
perature.

GRAETZ (L.). Electrical Conductivity of Solids at High Pressures

SCHIFF (R.). Specific Heats of Homologous Series of Liquid Organic Com-
pounds.

BLAREZ (C.). Saturation of Normal Arsenic Acid with Barium Hydroxide.

BLAREZ (C.). Saturation of Arsenic Acid with Calcium and Strontium

Oxides

DE FORCRAND. Sodium Glycerolate

SCHIFF (R.). Heat of Evaporation of Homologous Carbon Compounds

MEISSNER (F.). Heat evolved when Powders are Moistened

ZEHNDER (L.). Determination of the Sp. Gr. of Soluble Substances

BERTHELOT and ANDRÉ. Tension of Dissociation of Ammonium Hydrogen

Carbonate

BERTHELOT and ANDRÉ. Decomposition of Ammonium Hydrogen Carbo-

nate by Water, &c. .

DUCIAUX (E.). Chemical Changes produced by Sunlight

EDER (J. M.). Practical Methods of Photographing the Spectrum

HABERMANN (J.). Electrolysis of Carbon Compounds

BERTHELOT. Thermochemistry of Phosphates

GAL (H.) and E. WERNER. Heat of Neutralisation of Homologous and

Isomeric Acids

GAL (H.) and E. WERNER. Heats of Neutralisation of Malonic, Tartronic,

and Malic Acids

96

BERTHELOT. Thermochemistry of Reactions between Magnesia Salts and

Ammonia

96

STOHMANN (F.), P. RODATZ, and H. HERZBERG. Heats of Combustion and
Formation of Homologous Phenols

98

DE LANDERO and R. PRIETO. Some Laws of Chemical Combination

HUNT (T. S.). Law of Volumes in Chemistry

LESCEUR (H.). Velocity of Dissociation

100

RAMSAY (W.) and S. YOUNG. Nature of Liquids

100

TRAUBE (J.). Capillary Constants and Meniscus Angle

GUIGNET (C. E.). Crystallisation by Diffusion

101

101

TEEY (H.). Influence of some Normal Salts on the Hydrolysis of Methyl

BOISBAUDRAN (L. DE). Fluorescence of Manganese and Bismuth

BECQUEREL (E.). Effect of Manganese on the Phosphorescence of Calcium

BOISBAUDRAN (L. DE). Red Fluorescence of Alumina.

BECQUEREL (E.). Phosphorescence of Alumina

BRÜHL (J. W.). Molecular Refraction of Liquid Organic Compounds of

High Dispersive Power.

BRÜHL (J. W.). Experimental Examination of the Older and More Recent

Dispersion Formulæ

THOMSEN (J.). Supposed Influence of Multiple Bonds of Union on the

Molecular Refraction of the Hydrocarbons

BRÜHL (J. W.). Thomsen's Supposed Explanation of Molecular Refraction

Relations

PELLAT (H.). Absolute Electrodynamometer

KLOBUKOFF (N. v.). New Apparatus for Electrochemical Investigations

PIONCHON. Specific Heats and Changes of State at High Temperatures

JOLY (A.). Thermochemistry of Bibasic Phosphates and their Congeners

BERTHELOT. Ammonium Magnesium Phosphate.

BLAREZ (C.). Saturation of Arsenic Acid by Magnesia. Formation of

Ammonium Magnesium Arsenate

DE FORCRAND. Heat of Formation of Potassium Methoxide and Ethoxide.

GAL (H.) and E. WERNER. Heats of Neutralisation of Glyceric and

Camphoric Acids

GAL (H.) and E. WERNER. Heats of Neutralisation of Malic and Citric

Acids

GAL (H.) and E. WERNER. Heats of Neutralisation of Meconic and

PAGE

105

105

189

189

190

191

191

191

195

198

200

200

200

201

202

202

204

204

205

205

RAOULT (E.). Vapour-tensions of Ethereal Solutions.

MÜLLER-ERZBACH (W.). Dissociation of Salts containing Water of Crystal-

lisation

MÜLLER-ERZBACH (W.). Dissociation of Copper Sulphate.

LESCEUR (H.). The Relation between the Efflorescence and Deliquescence

of Salts and the Maximum Vapour-tensions of their Saturated

Solutions

MCGREGOR (J. G.). Density of Weak Aqueous Solutions of Salts

TOMLINSON (C.). Cohesion and Submersion Figures

TRAUBE (J.). Weight of Drops and their Relation to Capillarity
DELACHARLONNY (P. M.). Volatilisation of Dissolved Substances during

SPRING (W.). The Periodic Law.

207

Apparatus for measuring the Tension of

207

207

208

208

209

209

210

the Evaporation of the Solvent

211

211

KOBB (G.). Spectrum of Germanium.

CORNU (M. A.). Distinction been Spectral Lines of Solar and Terrestrial

Origin

WEISS (A.). Fluorescence of the Pigments of Fungi

314

KALISCHER (M.). New Secondary Element.

314

LAURIE (A. P.). Electromotive Force of a Constant Cell with Moving Plates

LAURIE (A. P.). Electromotive Force of a Voltaic Cell having an Aluminium

Plate as Electrode.

314

315

MENDENHALL (T. C.). Electrical Resistance of Soft Carbon under Pres-

Bure

315

GRAY (T.). Electrolysis of Silver and Copper: Application of Electrolysis

to the Standardising of Electric Current and Potential Meters

FROMME (C.). Electrolytic Polarisation produced by Small Electromotive

Forces

AYRTON (W. E.) and J. PERRY. Expansion of Mercury between 0° and

- 39°

DE FORCRAND. Heats of Formation of Potassium Alkyl Oxides.

DE FORCRAND. Heat of Formation of Sodium Alkyl Oxides

DE FORCRAND. Potassium Glycerolate.

318

319

320

RAMSAY (W.) and S. YOUNG. Thermal Properties of Ether

NICOL (W. W. J.). Vapour-pressures of Water from Salt Solutions

LESCOEUR (H.). Vapour-tension of Sodium Acetate

LEMOINE (G.). Influence of Heat on the Decomposition of Oxalic Acid by

WILLGERODT (C.). Indium and Gallium as Halogen Carriers

326

AYRTON (W. E.) and J. PERRY. Expansion produced by Amalgamation

327

BOISBAUDRAN (L. DE). Red Fluorescence of Alumina.

409

BECQUEREL (E.). Phosphorescence of Alumina

409

LOMMEL (E.). Phosphorescence.

410

DUCLAUX (E.). Comparative Action of Heat and Solar Radiation

ROWLAND (H. A.). Water Battery

EBELING (A.). Electromotive Force of some Thermo-elements

414

STREINZ (F.). Galvanic Polarisation of Aluminium

415

ARRHENIUS (S.). Conductivity of Mixtures of Aqueous Solutions of Acids.

BROWN (J.). Theory of Voltaic Action

415

417

DRAKE (D.) and J. M. GRAHAM. Electric Accumulators

418

JANEČEK (G.). Determination of Atomic Weight from Specific Heat.

419

LANGLOIS (M.). Specific Heats of Liquids.

419

COLSON (A.). Isomerism of Position

420

ARMSTRONG (H. E.). Determination of the Constitution of Carbon Com-

pounds from Thermo-chemical Data

420

PICKERING (S. U.). Determination of the Constitution of Carbon Compounds

from Thermo-chemical Data.

423

BRÜHL (J. W.). Criticism of Thomsen's Theory of the Heat of Formation

of Organic Compounds .

STOHMANN (F.), P. RODATZ, and W. HERZBERG. Heat Equivalent of the

Homologues of Benzene.

4.27

STOHMANN (F.), P. RODATZ, and W. HERZBERG. Heat Equivalent of Ethers

of the Phenol Series

428

THORPE (T. E.) and A. W. RÜCKER. Relation between the Critical Tem-

peratures of Substances and their Thermal Expansion as Liquids.

BARTOLI (A.) and E. STRACCIATI. Relation between the Critical Tempera-

tures of Substances and their Thermal Expansion as Liquids

THEELFALL (R.). Specific Heats of the Vapours of Acetic Acid and Nitrogen

Tetroxide

429

429

429

RAMSAY (W.) and S. YOUNG. Influence of Change of Condition from the

Liquid to the Solid State on Vapour-pressure

430