J O U R N A L C. F. RAKER, Ph.D., B.Sc. A. G. BLOXAM. 0. H. BOTHAMLEY. A. C. CHAPMAN. A. W. CROSSLEY, M.Sc., Ph.D. T. EWAN, B.Sc., Ph.D. M. 0. FORSTER, Ph.D. W. D. HALLIBURTON, M.D., B. Sc., A. HARDEN, MSc., Ph.D. L. M. JONES, B.Sc. L. DE KONINGH. H. CROMPTON. F.R.S. OF A. LAPWORTH, D.Sc. A. R. LING. D A. LOUIS. N. H. J. MILLER, Ph.D. E. C. ROSSITER. R. ROUTLEDGE, B.Sc. M. J. SALTER. L. J. SPENCER, M.A. J. J. SUDBOROUGH, Ph.D., D.Sc. J. F. THORPE, Ph.D. M. W. TRAVERS. E. W. WHEELWRIGHT, B.A., Ph.D. w. J. POPE. 'THE CHEMICAL SOCIETY, ABSTRACTS O F PAPERS ON PHYSICAL, INORGIQNIC, MINERALOGICAL, PHYSIOLOGICAL, AGRICULTURAL, ANALYTICAL CHEMISTRY. AND _____._ __ - Qammiffee af H. E. ARMSTRONG, Ph,D., F.R.S. J. DEWAR, LL.D., F.R.S. WYNDHAM R. DUNSTAN, M.A., F. R. S. A. VERNON HARCOURT, M.A., F.R.S.R. MELDOLA, F.R.S. W. RAMSAY, Ph.D., F.R.S. @ubIEc&an ; W. J. RUSSELL, Ph.D. , F.R.S. J. MILLAR THOMSON, F.R.S. T. E. THORPE, LL.D., F.R.S. W. A. TILDEN, D.Sc., F.R.S. W. P. WYNNE, D.Sc., F.R.S. &bitor : SuXr-dYitor : C. E. GROVES, F.R.S. A. J. GREENAWAY. 1897. Vol. LXXII, Part 11. L O N D O N : GURNEY & JACKSON, 1, PATERNOSTER ROW. 1897.RICHARD CLAY AND SOXSS, LIMITED, LONDON AND BUNGAY.C 0 N T E N T S. ABSTRACTS OF PAPERS PUBLISHED IN OTHER JOURNALS :- PART 11. Geneyal and Physiccd Chemistry. PFLUGER (A.). LANDOLT (HANS HEINRICH). TRATJBE ( HERMANN). Indices of Refraction of Metals a t Different Temperatures . Bebaviour of Circularly Polarising Crystals in a State of Powder . . . . . . . . The Characteristics of Optically Isomeric com- pounds .. EIJKMAN (JOHAN FREDERIK). Refractometric Observations . . . . . . . . . . . WALDEN (PAUL). Influence of Linking on the Rotatory Power . . . ARNOLD (W). Luminescence . . . . . . . . TOWER (OLIN FREEMAN). Peroxide Electrodes . . . . < . BRUGNATELLI (LUIGI). Santonin and its Derivatives . . . . . LOVSN (JOHAN MARTIN). Theory of Liquid Chains . . . . . SMITH (W. A. ). Peroxide Electrodes . . . . . . . . ZELINSKY (NICOLAI D. ) and SERGEI G. KRAPIWIN. Electrolytic HOLMAN (SILAS W.) R. R. LAWRENCE and L. BARR. Melting Yoints of . . . . . SCHLAMP (A.). Determination of Specific Heats by means of the Electric DUSSY (J.). Specific Heat of Viscous Snlphur . . . . . . . BARTOLT (ADOLFO) and ENIUCO SntAccIATr. Specific Heat a t constant BARTOLI (ADOLFO). Selection of the Unit of Heat .. . . . BERTHELOT (MARCELLIN PIERRE EUG~NE). Cyanic acid . . . . TAMMANN (GUSTAV). Thermodynamical Surfaces of a Substance in the Solid and Liquid States . . . . . . . . . . LINEBARGEIL (CHARLES ELIJAH). Specific Gravities of Mixtures of Normal BARTOLI (ADOLFO). Compressibility Co-efficients of the CnH2,+2 Hydro- carbons . . . . . . BARENT (ST.). Capillaiy BLhaviour of the Crystal’Faces of Rock Salt and Sylvine towards the Mother Liquors . . . . . . BERTHELOT (MARC ELLIN) and GUSTAVE ANDRB. Co-efficients of Division WILDERMANN (MEJER). Degree of Dissociation of Electrolytes at 0” . . RAOULT (FRANQOIS MARIE). Influence of the Temperatnre of the Cold PATBRNO (EMANUELE). Parabromotoluene as a ‘Solvent in Cryoscopic Researches .- . . . . . . . . . . PAT ERN^ (EMANUELE). Veratrole as a Solvent in Cryoscopic Researches . AMPOLA (G.) and E. CARLINFANTI. Nitrobenzene as a Solvent in Cryosco- pic Researches . . . . . . . . . . . . . PATERNO (EMANUELE). Behaviour of Phenol as a Solvent in Cryoscopy - Behaviour of Solutions of Salts and Acids in Methylic Alcohol Aluminium, Silver, Gold, Copper and Platinum Current . . . . . . . . . . . . Volume of the C,&Hzn+2 Hydrocarbons . . . . . . Liquids . . . . . . . . . . . . . of Phosphoric Acid between Ether and Water . . . . . Jacket on Cryoscopic Measurements . . . . . . . 1-2 PAGE ii, 1 ii, 1 ii, 2 ii, 2 ii, 3 ii, 3 ii, 4 ii, 4 ii, 4 ii, 5 ii, 5 ii, 6 ii, 6 ii, 6 ii, 7 ii, 7 ii, 7 ii, 8 ii, 8 ii, 9 ii, 9 ii, 10 ii, 11 ii, 11 ii, 12 ii, 12 ii, 12 ii, 13iv CONTENTS.GARELLI (FELICE). The Cryoscopic Behaviour of Substances similar in Composition to the Solvent . . . . . . . . . . DRESER (HEINRICH). Osmotic Pressure of Ether and Chloroform in the Nerve Cells . . . . . . RLUMCKE (ADOLF). Labile Equilibrium of Sait Solutions . . . . MAGNANINI (OAETANO). Hypothesis of the Coloration of the Ions . . SPRTNG (WALTH~RE). Transparency of Solutions of Colourless Salts . . DONNAN (FREDERICK GEORGE). Autocatalysis . . . . . . CARRARA (GTACOMO) and I. ZOPPELARI. Velocitv of Decomposition of some Sulphur and Phosporons compounds by Water . . . . MORO (NATALP, VTANRLT~O). Velocity of Formation of Alkali Xanthates NOYES (ARTHUR AMOS). Velocity of the Reaction between Feiric Chloride and Stannous Chloride .. . . . . . . . . . HOITSEMA, (C.). Explosions . . . . . . . . . BARKER, (G.). The Theorv of Corresponding States . . . . . RETGERS (JAN WILLEM). Isomorphism. X11 . . . . . . RRICKMEYER (R.) Isomorphism of Alkali Salts . RECKIJNGHAUSEN (MAX VON). A New Shaking Apparak~s for the Labora: tory . . . . . . . . . . . . . . TRAURE (ISIDOR). Refraction and Densitv . . . . BRITISH ASSOCIATION COMMITTEE Sect. B. Report. Action of ‘Light 01; Dyed Coloiirs . . . . . JAEGER (WILHELM) and’R. WACRSMUTH. Cadmium Standard Cell , . GUNTZ (ANTOINE). Heat of formationof Lithium Hydride . . . . LxMontT (PAUL). Thermochemistrp of Cyanamide . . . . DEL~~PINE (MARCEL). Thermochemistry of Hexamethylenetetramine and EULER (HANS). Dependence of the Dissociation of some Acids on Tem: BECKMANN (ERNST OTTO).The Determination of Molecular Weights, Iv: RAOULT WRANCOIS MARIE). Exact Cryometry : Application to Sodium Chloride Solutions . . . . . . . . . . . . RAOULT (FRANOOTS MARIE). Exact Cryometry : a Correction . . . SCHIFF (Hum) ‘and U. MONSACCHI. Expansion during the Dissolution of Ammonium Salts and of Sodinm Thiosulphate . . . . . . NATANSON (T,ADTST,AUS). KAWALKI (W.), nelntionship of the Rate of Diffusion to the Initial‘Con: centration of Dilute Solutions . . . . . . . . HEDIN (SVEN GUSTAV). Determination of Isosmotic Concentrations . BERTHELOT ( MA.RCELT,IN PIERRE EUGENE) and PAUL VIEILLP,. Explosive STERN. (0.). Tnflverce of Pressure on the Inversion ‘Constants of some LANG (VIKTOR VOX). Crystal Svmmetry . . . . . , . DELAUNEY. Atomic ‘Weights of the Elements .. FLAWITZUY (FTAVTAN). Hypothesis of the Atomic’llotion of theElements JAUBRRT (GEORGE F.). A new form of Turbine for use in Laboratories : B R ~ ~ H L (JULIUS WILHELM). Stereochemical Spectrometric Researches, I. ALRERDA VAN EKENSTETN (W. ), W. P. JORISSEN, and LODEWYK THEODORUS REICHER. Changes of Rotation in the passsqe from Amide to Lactone . BTARD (ALEXANDRE L ~ N ) . Spectrum of Chlorophyll . . . . HEMPTINNE (ALEXANDER VON). Chemical action of Rontgen Rays . . GT‘ADSTONE (JORN HALL) and WALTER HIBBERT. Action of Metals and their Salts on Rontgen Rays . . . . . . . . . [Alkali Ethvlic as-Dithiocarbonates] . . . . . . . GOODWIN (H. M‘.). Hydrolysis of Ferric Chloride . . . . . its Nitroso-derivatives , . . . . . . perature and the Heat of Dissociation .. . Laws of Irreversible Processes Properties nf Acetylene . . . . , . . . . RClaS . , . . . . . . . . . . . . and their Genesis . . . . . . . . TAYLOR (A. E.). Irreversible Cells . . . . . DELBPINE (MARCEL). Hexamethylenetetramine Salts . . . . METZNER ( R E N ~ ) . hnwERs (KARL) and IT. ORTOX. Cryoscopic Researches . . Heat of Formation of Selenic acid and Selenates . . PAGE ii, 14 ii, 14 ii, 14 ii, 14 ii, 14 ii, 15 ii, 15 ii, 16 ii, 16 ii. 17 ii, 17 ii, 17 ii, 17 ii, 18 ii, 19 ii, 85 ii, 85 ii, 86 ii, 86 ii, 87 ii, 87 ii, 88 ii, 88 ii, 88 ii, 89 ii, 89 ii, 90 ii, 90 ii, 91 ii, 91 ii, 92 ii, 92 ii, 92 ii, 93 ii, 98 ii, 129 ii, 129 ii, 130 ii, 130 ii, 131 ii, 131 ii, 131 ii, 132 ii, 132CONTENTS. V BODLANDER (GUIDO). Abnormal Freezing Point Depressions .. . LEDUC ( ANATOLE). Compressibility of certain Gases a t 0" and under nearly BAKKER (G.). ZALOZIECKI (ROMAN). New Method of Determining the Specific Gravity of LE CHATELIER (HENRI L.). Some Abnormal Cases of Solubikty . . . LESCCEUR ( HENRI). . WARDER (ROBERT BOWNE). Speed of Etherification as compared with Theory . . . RAPMAN (BOHUSLAV) and O T ~ O K ~ R ~ U L C . 'Catalytic Hyhrol ysis by Metals BEMMELEN (JACOBUS MARTINUS VAN). Absorption. Water i n Colloids, especially in the Hydrogel of Silicic Acid . . . . . . . BAKKER (G.). Theory of Corresponding States , . . . . . WINKLER (CLEMENS). The discovery of New Elements during tlie last quarter of a Century, and Questions relating thereto . . . . . Coos (ELLEN P.). Optical Activity of Aspartic acid in Aqueous solution .METZNER ( R E N ~ ) . Selenic Anhydride . . . . . MICHAELIS (HUGO). Automatic cut-off of Gas on Stoppage of the Wste;, TASSILLY. Apparatus for filtering and drying Substances unstable in TAMMANN (GUSTAV). Change of the' Refractive Index by 'the 'Neutrali- sation, the Formation, and the Dilution of Solutions . . . . TRAUBE (ISIDOR). Atomic Refractions of Carbon, Hydrogen, Oxygen, and TRAUBE (ISIDOR). Atomic Refractions of Nitrogen . . . . . . BRUHL (JULIUS WILHELM), Spectrometric Determinations . . . . RRUHL (JULIUS WILHELM). Hydrazine, Hydrogen Peroxide, Water . . GUYE (PHILIPPE A.) and P. A. MELIKIAN. Normal Kotatory Dispersions . TROWBRIDGE (JOHN) and THEODORE WILLIAM RICHARDS. Spectra of TROWBRIDGE (JOHN) and THEODORE WILLIAM RICHARDS. kultiple ' Spectra of Gases .. . . - WIEDEBURG (OTTO). Potential Differences be t i e e n k c t a l s and Eiectrolyte; SOKOLOFF (ALEXEI P. ). Experimental Investigations on the Electrolysis of Water . . . . . . . . . . . . . CARRARA (GIACOMO). Electrolytic Behaviour of Solutions of some Salts and Acids in Methylic Alcohol . . . . . . . . BEKTHELOT (MARCELLIN PIERRE EUGENE). Specific Heat of gaseous Ele- nients and their Atomic Constitution . . . . . . DEMERLIAC (R. ). BERTHELOT (MARCELLIN PIERRE EUGENE). Thermochemical Method foE the Determination of the Equivalents of Acids and Bases . . . BERTHELOT (MARCELLIN PIERRE EUGENE). Thermochemical RelatiGns between the Different Modifications of Ordinary Glucose . . . REINGANUM (MAX). Pressure Differences produced by Isothcrmal Distilla- tion .. . . . . . . . . . . . . MULLER-ERZBACH (WILHELM). Vapour Piessnre of Compounds of Calcium Chloride with Water . . . . . . . NOYES (ARTHUR AMOS) and k. Ivf. GOODWIN. Internai Friction of Mer- cury Vapour . . . . . . . . . . . . . LE CHATELIER (HENRI LOUIS). Some Peculiarities of Solubility Curves . WOHL (ALFRED). Law of Contraction on dissolving Sugar in Water . . VIARD (GEORGES). Rate of Reduction of Chromic Acid by Phosphorous BO~SBAUDRAN (PAUL EMILE LECOQ DE): Ciassification of Chemical Elements Atmospheric Pressure . . . . . . . . . . . Liquids . . . . . . . . . I BATHRICK (H. A,). Precipitation of Salts . . . . . . Potential Energy and i i r i a l of Molecular Forces . BANCROFT (WILDER DWIGHT). Solution and Fusion . . . The Neutrality of Salts a i d Coloured Indicators SEUBERT (KARL).Unit of Atomic Weights . . . . . . SCHuLrzE (HERMANN). A New Stirrer . . . . . . . Supply . . . . . . . . . presence of Air . . . . . the Halogens . . . . . . . . . . . Argon . . . . . . . Variation of Melting Points with'the Pressure acid . . . . . . . . PAGE ii, 133 ii, 133 ii, 134 ii, 134 ii, 134 ii, 135 ii, 135 ii, 136 ii, 136 ii, 136 ii, 137 ii, 137 ii, 137 ii, 138 ii, 138 ii, 169 ii, 169 ii, 169 ii, 170 ii, 197 ii, 197 ii, 197 ii, 198 ii, 198 ii, 198 ii, 199 ii, 199 ii, 200 ii, 200 ii, 200 ii, 200 ii, 201 ii, 201 ii, 202 ii, 202 ii, 203 ii, 203 ii, 203 ii, 204 ii, 'LO4 ii, 205vi CONTENTS. TRAUBE (ISIDOR). Methods of determining the Molecular Weights of BOLTWOOD (BERTRAM B.). A SiAple 'Automatic Sprengel Pump .. GLADSTONE (JOHN HALL). Relation between the Refraction of the Elements GUYE (PHILIPPE A.) and EMILY ASTON. Influence of Temperature on Rotatory Power . . . . . . . . . . . . GUYE (PHILIPPE A.) and J. GUERCHGORINE. Rotatory Power and Structure GRAMONT (ARNAUD DE). Spectrum of Metalloids in fused salts : Silicon . LIEBENOFF (C.) Theory of Lead Accumulators . . . . . . LOEB (WALTHER). Theory of Lcad Accumulators . . . DEWAB (JAMES) and JOHN AMBROSE FLEMING. Electrical Resistivity of Pure Mercury a t the Temperature of Liquid Air DEWAR (JAMES) and JOHN AMBRosE FLEMING. E1ecti:ical 'Resi'stivity of Bismuth a t the Temperature of Liquid Air . . . . . . ABEGG (RICHARD). Dielectric Constants a t Low Temperature . . . LUTHER (ROBERT). Electromotive Force and Partition Equilibrium .. BOLTWOOD (BERTRAM B. ). Molecular Conductivity of Rubidium and Czsium Chlorides . . . . . . . . . COEHN (ALFRED). Electrolytic Solution and separation of Carbon . . FOERSTER (FRITZ) and 0. SEIDEL. Electrolysis of Copper Sulphate Solu- tions . . . . . . . OCHs (K.). Is a Diaphragm known that will prevent diffusion bui not the' passage of a current 1 MARSHALL (DOROTHY). Heats of Vaporisation of Liquids at' their Roiling' Points . . . FUCHS (PAUL). Determination of the' Rise of Boiling Point' in Molecular' Weight Determinations . . . . . . . . . . . GROSHAN~ (J. A. ). Corresponding Temperatures . . . . . . HEYCOCK (CHARLES THOMAS) and FRANCIS HENRY NEVILLE. Complete Freezing Point Curves of Binary Alloys containing Silver or Copper, DAHMS (ALBERT).Freezing Points of Binary Mixtiires . . . . BILTZ (HEINRICH). Determination of the Molecular Weights of some LADENBURG (ALBERT). Racemism and t'he heat changes produced when SUTHERLAND (WILLIAM). Spontaneous change of Oxygen into Ozone, and JAKOWKIN (ALEXANDER A.). Dissociation of Chlorine Hydrate in Aqueous Solution a t 0" . . . . . . . . . . . . . LINEBARGER (CHARLES ELIJAH). Apparatus for the Rapid Determination of the Surface Tension of Liquids . . . . . . . . LINEBARGER (CHARLES ELIJAH). Surface Tension of Mixtures of Normal SPEYERS (CLARENCE LIVINGSTON). Sbme Thoights abok Liquids . . HUFNER (CARL GUSTAV). Determination of the Diffusion Coefficients of PERMAN (EDGAR PHILIP), WILLIAM RAMSAY, and J. ROSE-INNES. Atiempt STORTENBEKER (WILLEM). Solubility of Hydrated Mixed Crystals .. CIAMICIAN (GIACOMO LUIGI) and FELICE GARELLI. Solid Solutions . . LEY (HEINRICH). Constitution of Salt Solutions . . . . . . AMBRONN (HERMANN) and MAX LE BLANC. Isomorphous Mixtures . . P~LABON (H.). False Equilibria of Hydrogen Selenide . CLARKE (FRANK WIGGLERWORTH). Third Annual Report of t h e Commitee on Atomic Weights . . . . . . . . . . . . BRUHL (JULIUS WILHELM). Spectrochemistry of Nitrogen . . . . BERTHELOT (MARCELLIN). Apparatus for examining the Spectra of Gases . . . . . . . . . . . . . . . Homogeneous Liquids . . , . . . . . and their Chemical Equivalents . . . . . . . . . . . together with another Metal . . . . . . . . Inorganic Substances . . . . . . . . . Liquids are mixed. I1 . . . . . . . . . a remarkable type of dissociation .. . . . . Liquids . . . . . . . . t some Gases in Water . . . . . . . . to determine the Adiabatic Relations of Ethylic Oxide . . . WETZRL (J.). New form of Vacuum Pump . . . . . . PAGE ii, 205 ii, 205 ii, 237 ii, 237 ii, 238 ii, 238 ii, 239 ii, 239 ii, 239 ii, 240 ii, 240 ii, 240 ii, 240 ii, 241 ii, 241 ii, 243 ii, 244 ii, 244 ii, 244 ii, 245 ii, 245 ii, 245 ii, 246 ij, 246 ii, 246 ii, 247 ii: 247 ii, 247 ii, 249 ii, 249 ii, 250 ii, 250 ii, 251 ii, 251 ii, 251 ii, 251 ii, 251 ii, 297 ii, 298CONTENTS. vii PAGE LOCKYER (JOSEPH NORMAN). HARTLEY (WALTER NOEL). ELM (KARL). Theory of Accumulators . . . . . . . . ii, 300 DORN (ERNST) and B. VOLLMER. Action of Hydrochloric acid on Metallic LOOMIS (E. H.). Specific Gravity an4 El;?ctriEal conductivity of Normal Solutions of Sodium and Potassium Hydroxides and of Hydrochloric, FRJTSCH (CARL).Electrolytic Conductivity of Solid Substances . . . ii, 301 PETERSEN (EMIL). The number of Ions in some Ammonio-cobalt MALMSTROM (R. ). 'Measurement of great Electrolytic Resistances with a Constant Current . . . . . . . . . . ii, 302 GOLDSTEIN (EUGEN). Colours producid by the Cathode Discharge in some Salts . . . . . . . . . . . . . . . ii, 302 DRUDE (PAUL). Electrical Anomaly and Chemical Constitution . . . ii, 303 HEMPTINNE (ALEXANDER DE). Chemical action of Electrical Oscillations . ii, 303 SCHNEIDER (BERNHARD VON). Melting Points of some Organic compounds ii, 304 HARKER (A. J.). Determination of Freezing Points . . ii, 304 COPPET (LOUIS CASIMIR DE). Former determinations of Freezing 'Points .ii, 305 LOOMIS (E. H.). Freezing Points of Dilute Aqueous Solutions. 111. . . ii, 305 AMPOLA (G.) and C. RIMATORI. Aniline in Cryoscopy . . . . . ii, 306 AMPOLA (G.) and C. RIMATORI. Dimethylaniline in Cryoscopy . . . ii, 306 SPERBER (JOACHIM). Calculation of Heats of Dissociation and Combination based on a theory of Valency and Affinity . . . . . . ii, 307 BUGARSZKY (STEFAN). Change of Free Energy in the formation of In- soluble Mercury compounds . . . . . ii, 307 THIESEN (MAX), KARL SGHEEL, and 'H. ~IESSELHORST. Absolute deter- KANITZ (ARISTIDES). Internal Friction of'salt Solutions and Mixtures . ii, 308 OSTWALD (WILHELM). The Formation and Changes of Solids . . . ii, 308 EMICH (FRIEDRICH) Imflammability of Explosive Mixtures of Gases .. ii, 309 SZYSZKOWSKI (BOHDAN). Affinity Constants and Constitution of Organic acids . . . . . . . ii, 310 NOYES (ARTHUR AMosj and R.' S. 'WAS'ON. ' Veiocity of the Reaction between Ferrous Chloride, Potassium Chlorate, and Hydrogen Chloride ii, 31 1 KNOBLAUCH (Osc. ). Velocity of Foymation and Decomposition of Ethereal Salts . . . . . . . . . . . . . . . ii, 311 GUPE (PHILIPPE A.) and L. CHAVANNE. Molecular Dissymmetry and the Rotatory Power of active Homologous Compounds . . . . . ii, 357 GORDON (C. M.). Measurement of the capacity of Polarisation . . . ii, 357 SMALE (FREDERIC J.), Determination of the Dielectric Constants of some Salt Solutions by the Electrometric Method . . . . . . ii, 357 BAUR (E.). Electrical Conductivity of Nitramide . . . . .. ii, 358 BUCHERER (ALFRED H. ). Electromotive Force and Partition Equilibrium . ii, 358 DEL~~PINE (MARCEL). Heat of formation of Formaldehyde . . . . ii, 359 RIVALS (PAUL). Solutions of Trichloracetic acid . . . . . . ii, 359 STOHMANN (CARL ADOLF FRIEDRICH) and EMIL HAUSSMANN. MEYERHOFFER (WILHELM). Modification of the Beckmann Apparatus . ii, 360 LOOMIS (E. H.). Measurement of Freezing Point Depressions . . . ii, 361 HOFF (JACOBUS H. VAN'T) and H. M. DAWSON. Freezing Point Depres- sions of Magnesium Chloride . . . . . . . . . ii, 361 RAOULT (FRAN~OIS MARIE). Influence of Siiperfusion on the Freezing Points of Aqueous Solutions of Sodium Chloride and Alcohol . . . ii, 362 Unknown Lines observed in the Spectra of Spectrum of Cyanogen as produced and modi- Certain Minerals .. . . . . . . . . . . ii, 298 fied by Spark Discharges . . . . . . . . . ii, 298 LOB (WALTHER). Theoryof Accumulators . . . . . . . ii, 300 Sodium a t Low Temperatures . . . . . . ii, 301 Sulphuric, Nitric and Oxalic acids . . . . . . ii, 301 compounds . . . . . . . . . . ii, 302 TREY (HEINRICH), Birotation of' Glucose . . . . . . . . ii, 299 mination of the Expansion of Water . . . . . . ii, 307 WALD (F. ). Chemical Proportions . . . . . . . ii, 311 Calorimetri Investigations : Heat of Combustion of Amides and Anilides of the first members of the series of Dibasic acids . . . ii, 359... V l l l CONTENTS. BECKMANN (ERNST) [with C. SCHULTEN and H. PFEIFFER]. Deterinination of Molecular Weights, V. . . . . . . . . . . DEMERLIAC (R.). Application of the Clapeyron Formula to the Melting Point of Benzene , .AMAUAT MILE HILAIRE). ?erification of the;an her Waals Law of Corre: AMAUAT (EMILE HILAIRE). Van der Waal's Law 'of Corresponding Con- ditions and the Determinatioxof Critical Constants. . . . . DUHEM (PIERRE). Liquefaction of Mixtures of Two Gases . . . . GUYE (PHILIYPE A.) and CHARLES JORDAN. Simplified Formula for calcu- . TAMMANN (GUSTAV). Partition Coefficients and Abnormal Diffusion . . OGG (A.). Equilibrium between Amalgams and Electrolytes . . . NERN~T (W ALTHER). Cheinical Equilibrium, tic., of Metallic Mixtures BODTKER (EYVIND). Influence of Water on the solubility of Hydratei LENOBLE (E.). New Method Proposed by 'Etaid for the'Curve Represents: PALMAER (WILHELM). Relation between the Velocity of Inversion and the PAUER (J.).Absorption Spectra of some Compounds 'in the Gaseous and HAAUN (ERNST). Internal Resistance of Galvanic Cells . . . , LIEBENOFF (C.). Theory of Lead Accumulators . . . . . . NERNST ( WALTHER). Electrolytic Decomposition of Aqueous Solutions . NOYES (ARTHUR AMOS) and CHARLES G. ABBOT. Determination of Osmotic LOWENHERZ (RICHARD). Saturated Solution of Magnesium Chlbride and Potassium Sulphate, or of Magnesium Sulphate and Potassium Chloride . . . JONES (HARRY CLARY) and E. MACKAY.' Study'of Wate; Soiutiohs of some of the Alums . . . . . . KUILILOFF (BASIL B.). Use of t i e Mass Reaction Law d the Examination of Organic Additive Products. The Reaction between Picric acid and &Naphthol in Aqueous Solution , . . . . . . . . LEEUWEN (J.DoCTERs VAN). Transition of Seignette Salt and of the Cor- responding Ammonium compound . . . . . . . . BOC~OJAWLENSKY (A. ) and GUSTAV TAMMANN. Influence of Pressure on the Velocity of Reactions in Homogeneoue Fluid Systems BUCHBOCK (GUSTAV). Velocity of the Hydrolytic Decomposition of' Car: RYDBERU (JOHANNES ROBERT). Stud$ of Atomic Weights . . . . LORENZ (RICHARD). Study ofAtomic Weights . . . . . . LOEW (E. ). A Graphic Representation of the Periodic System of the Ele- ments . . . . . . . . . . . . . . WALD (F,). Chemical Proportions. IT. . . . . . . . BARUS (CARL). Lecture Experiment with Liquid Carbonic Anhydride . FISCHER (EMIL). Apparatus for simultaneously Heating and Shaking Sealed Tubes . . . . . . . GIBSON (JOHN). Ccemical Actio; of 'Ligh't . . .. . . . GAUTIER (ARMAND) and H. H~LIER. Action of Light on Gaseous Mixtures with special reference to Hydrogen and Chlorine . . . . . GUYE (PHILIPPE A.). Isomerism of Position and Rotatory Power . . DRUDE (PAUL). Two Methods for the Measurement of the Dielectric Constant, and Electrical Absorption with Rapid Vibrations . . . GORE (GEORGE). Influence of Proximity of Substances on Voltaic Action RICHARDS (THEODORE W.) and JOHN TROWBRIDGE. Effect of Great Current- strength on the Conductivity of Electrolytes . . . . . . BURNIE (WILLIAM BECKIT). Thermo-electric Properties of some Liquid Metals . . . . . . . . . . . . . . POHSOT (A.). Exact Cryometry . . . . . . . sponding Conditions . . . . . . . . lating the changes in density of Liquids with the Temperature . Compounds in Alcohol and Ether tion of the Solubility of Salts .. . . Concentration of the Hydrogen Ions . . . . . . . Liquid States . . . . . . . . . Pressure by means of Vapour Pressure Measurements . . . . bony1 Sulphide . . . . PAGX ii, 362 ii, 363 ii, 363 ii, 363 ii. 364 ii, 364 ii, 365 ii, 365 ii, 366 ii, 366 ii, 367 ii, 367 ii, 367 ii, 393 ii, 393 ii, 394 ii, 394 ii, 395 ii, 396 ii, 396 ii, 39'1 ii, 397 ii, 398 ii, 398 ii, 399 ii, 399 ii, 400 ii, 400 ii, 400 ii, 401 ii, 437 ii, 437 ii, 437 ii, 438 ii, 438 ii, 439 ii, 439CONTENTS. ix MILNER (S. ROSLINTGON). Heats of Vaporisation of Tiquids . . . PETROVITCH ( MICHEL). Dynamics of Homogeneons Endothermic and Exo- therniic Chemical Reactions . . . . . . . . . Du1fE;M (PIERRE). Gradual Change and Therniodynaniics .. . . PONSOT ( A . ) . . PONSOT (A.). Means of recognising a good method of Cryoscopy . . MASSOL (GUSTAVE). Heat of Formation of Zinc Hydroxide . . . . MATIGNON (CAMILLE). Thermochemistry of the Sodio-acetylenes . . FORCRAND (ROBERI' DE). Heat of Formation of Sodio-acetylenes . . ARTH (GEORGES). Calculation of the Calorific Power of Coals by Dulong's Law . . . . . . . SPERBER (JOACEIM). Calculation of the Co-efficient of Expansion of Gases based on a Theory of Valency . . . . . MILNER (S. ROSLINQTON). Variation of the Dissociation Co-efficient w i t i Temperature . , . . . . . . . . MEYERHOFFER (WILHELM). Non-concentrating Sdlntions . MYLIUS (FRANZ) and ROBERT FUNK. Solubilities of several readily SJlubie Salts . . . . . . . . . . . . SCHIFF (Huao). Influence of Water on the Solubility 'in Ether of certain Compounds .. . . . . . . . . MEYERHOFFER ( WILHELM). Application of the Laws of Chemical Equili- LACHAUD (MARCEL). Precipitation of Organic Compounds by Bases . . TRYLLER (HEINRICH C.). A new Laboratory Turbine . . . . . DIEPOLDER (EMIL). A new Extraction Apparatus . . . . . . BOISBAUDRAN (PAUL S MILE LECOQ DE). Examination of some Spectra . , LOCKYER (JOSEPH NORMAN). Iron Lines present in the hottest Stars . PAUER (J.), Absorption of Ultra-violet Rays by Gases and Liquids . . MOURELO (Jos13 RODILIGUEZ). Colour of the Phosphorescence of Strontium DOELTER (CORNELIUS). Behavibhr of: Min'erals with the X Rays . . ZECCHINI (F.). Refractive Powers of Mixtures of two Liquids . LUMIBRE (AUGUSTE), LOUIS LUMIJ~RE, and ALPHONSE SEYEWETZ.Use of Aldehydes and Ketones in the presence of Sodium Sulphite for LUGGIN (H. ). Photoelectric Phenomena and Photographic Processes . , BREDIG (GEORG). Thermal Conductivity and Ion Motion . . . . STACKELBEKG (ED. VON). Distribution of a Current among the Ions in a solution . . . . . . . . . . . . . . CARRARA (GIACOMO). Electrolytic Dissociation in Acetone Solution . CARRARA (GIACOMO). Electrolytic Dissociation of Methylic Alcohol and of Water dissolved in it . . . . . . HEMPTINNE (ALEXANDER DE). The Chemical Action of Electr&l Oscil: lations. 11. . . . . . . . . . . . . . GORDON (VICTOR). Variation with Temperature of the Transference Ratios of Cadmium in Aqueous Solution . . . . DEWAR (JAMES) and JOHN AMBROSE FLEMING. Electrical Resistivity of Electrolytic Bismuth a t low temperatnres and in Magnetic Fields .DEWAR (JAMES) and JOHN AMBROSE FLEMING. Dielectric Constant of Ice LUGININ (WLADIMIR F.) and IVAN KLABUKOFF. Develbpment of Heat by the Action of Bromine on Unsaturated Compounds . . . . AUWERS (KARL). Cryoscopic Observations on acid Amides . . . . PAT ERN^ (EMANUELE) and G . AMPOLA. Maximum Depression of the Freezing Point of Mixtures . . . . . . . . . . GARELLI (FELICE). Abnormal Freezing Point Depressions . . . . BRUNI (GIUSEPPE). Cryohydrates . . . PIONCHON (JOSEPH). Molecular Volumes of Cry s t a k e d Car'bohy'drates ; Reduction of the Freezing Point of an Aqueous Solution ~ ~ a r M . 4 " (GUSTAV). ~ e ~ o c i t y o i Soiidification . . . brium to Complex Inorganic Compounds . . . . .LACHAUD (MARCEL). Precipitation of Dextrin by Soils . . . LACHAUD (MARCEL). Study of Capillary Affinity . . . . Sulphide . . . . . . . . developing the latent Photographic Image . . . . and Alcohol a t very low Temperatures . . ' PAGE ii, 439 ii, 439 ii, 439 ii, 440 ii, 440 ii, 440 ii, 440 ii, 441 ii, 442 ii, 442 ii, 442 ii, 442 ii, 442 ii, 444 ii, 444 ii, 445 ii, 445 ii, 445 ii, 445 ii, 446 ii, 446 ii, 469 ii, 469 ii, 469 ii, 469 ii, 469 ii, 470 ii, 470 ii, 470 ii, 471 ii, 471 ii, 471 ii, 473 ii, 473 ii, 474 ii, 474 ii, 475 ii, 475 ii, 476 ii, 476 ii, 477 ii, 477 ii, 478X CONTENTS, TRAUBE (ISIDOR). Extension of the Law of Avogadro to Homogeneous NOYES (ARTHUR AMOS) and WILLIS RODNEY WHITNEY. Velocit’y of Dis- FOCK (ANDREAS). Solubility of Mixed Crystals and magnitude of the‘ RANDALL (WYATT W.).Permeation of Hot Platinum by Gases . . . MEYRR (GEORG). Diffusion Constants of some Metals in Mercury . . KUSTER (FRIEDRICII WILHELM). Unit of Atomic Weights . . . . BRAUNER (BOHUSLAV). Rasisof Atomic Weights . . . . . . HAHDIN ( WILLETT LEPLEY). Determination of the atomic masses of Silver, Mercury and Cadniitim by the Electrolytic method . . . SCHREINEMAKERS ( FRANS ANTOON HUBERT). Equilibrium in systems of three Bodies with two Liquid Phases . . . . . . . . SCHREINEMAKERS ( FRANS ANTOON HUBERT). Equilibrium in the system, KURILOFF (BASIL B,). Application of the Phase Law to ‘Researches on Organic Additive Prod tic ts . . . . . . . , . COHEN (ERNST). Explanation of the deviations from the normal course of reaction in the case of solutions .. . . . . . HENRIET (H.). Mercury Pump without stopcocks or movable joints . . CHABAUD. Mercury Pump without stQpcoclts or movable joints . . . WALTER (JOHANN). A new Bottle for washing Gases . . . . RUNGE (CARL) and FRIEDR. PASCHEN. Series Spectra of Oxygen, Sulphur, and Selenium . . . . . . . . . . . . JONES (A. C.). Some Emission Spectra of Cadmium, Zinc, and the Haloid compounds of Mercury, and some other metals . . . . . BEnrsALEcH (GUSTAV A.). New Lines in the Spark Spectrum of Aluminium . . . . - . . . , . . . LEWIN (LOUIS). Spectroscopic invesiigation of the Blood . . . . TRAuBE ( HERMANN). Crystalline form of optically active substances . P ~ B R A M (RICHARD) and CARL GLUCKSMANN. Connection bet.ween volume change and specific rotation of active solutions .. . . . . ANDREAS (ERNST). Production of Electricity by chemical means . . FUCHS (PAUL). Laboratory Electrolytic Cells . . . . . . . LOB (WALTHER). Use of Porous Carbon Cylinders in Electrolytic Experi- ments . . . . . I . . . . WIEDEMANN (ERNST EILHARD GUSTAV) and GERHARD CARL SCHMIDT: Electrolytic conductivity of dilute gases NOVAK ( VLADIM~R). Specific Electrical Conductivities and Freezing Points of solutions of Water in Formic acid , . . . . . . CATTANEO ( CARLO). Electrical Conductivi’ty of Salts in various solvents . . . . . . DRUDE (PAUL). New Physical Methdd of’detekninkg 6onstitntion . . CELLIER (L.). Conductivity of Carbon for Heat and Electricity . . . WAIDNER (C. W.) and F. MALLORY. Comparison of Rowland’s Mercury Recalculation of Rowland’s Value for the Mechanical Eqni: .. JONES (HARRY CLARY). Boiling Point Apparatus for use with Solvents SABATIER (PAUL). Thermochemistry of Copper compounds . . . VARET (RAOUL). Thermochemistry of Mercury salts . . . . . FRANCHIMONT (ANTOINE PAUL NICOLAS). Melting point of Organic sub- stances . . . . . . . . . . . . . KUENEN (J. P.). Condensation and Critical Phenomena of some substances andmixtures . . . . . . . . . . . BOOT (J. C.). A new form of Pyknometer . . . . . . . Liquids . . . . . . . . . . . BRUNER (LUDWIG). Soiubility of Super-cooled Liquids . . solution of a Solid in its own solution . . . , Crystal Molecule . . . . . . . . . . Water, Sodium Chloride, Ethylene Cyanide . . . . . GRAMoNr (ARNAUD DE). Spectrum of Carbon . . . . . . . Thermometer with a Griffiths’ Platinum Thermometer valent of Heat in terms of the Paris Hydrogen Thermometer .. DAY (W. S.) of Low and High Boiling Points . . . . . . . . ROSE-INNES (J.). Isotherrnals of Isopentane . . . . . . PAGE ii, 478 ii, 478 ii, 479 ii, 479 ii. 482 ii, 482 ii, 482 ii, 482 ii, 483 ii, 483 ii, 483 ii, 484 ii, 484 ii, 485 ii, 485 ii, 486 ii, 533 ii, 533 ii, 534 ii, 534 ii, 534 ii, 534 ii, 534 ii, 535 ii, 535 ii, 536 ii, 536 ii, 536 ii, 5 3 i ii, 537 ii, 539 ii, 538 ii, 539 ii, 539 ii, 540 ii, 541 ii, 542 ii, 542 ii, 544 ii, 544CONTENTS. xi HEYDWEILLER (ADOLF). Contraction of some Organic compounds on solidification . . . . . . . . . . . . GROSHANS (J. A. ). Voluine of Vapour produced from one Cubic Centimetre BEHN (U. ). Reciprocal Diffusion of Electrolytes in Dilute Aqueous solutions .. . . . . . . . . MARINI (L. ). Diffusion Coefficients o f Sodium Chloride solutions of various concentrations . . . . . . . . . . . WHETHAM (W. C. DAMPIER). The Ionising power of solvents . . . BAUR (E.). Affinity Constants and Heat of Dissociation of somrj Nitrogen acids . UUTOIT (PAuLj and EMILY 'ALICIA ASTON. Relation 'between the Poly: merisatioii of Liquids and their power of Dissociating Electrolytes . MYERS (J. E.) and FERDINAND BRAUN. Decomposition of Silver salts by Pressure . . . . . . . . . . . . . GEITEL (ADOLF C.). Decomposition of Triglycerides by bases . . . LONG (JOHN HARPER). Inversion of Sugar by salts . . . . . FAMTJLARI (SEBASTIANO). Washing Bottle for Gases . . . . . of a Liquid at the Roiling Point .. . . . . . . Inorganic Chemistry. MASSON (ORME). NEWLANDS (JOHN ALEXANDER REINA). MEPER (VICTOR) and MAX VON RECKLINGHAUSEN. Hydrogen and of Carbonic Oxide . . . . . ESTREICHER (THADDAEUS). Behaviour of Halogen Hydrides a t Low Tem- peratures . 1 . . EAKLE (ARTHUR S.). Crysiallography of' Iodates and Periodates . . ANDREWS (LAuNcELoT W.), Reduction of Sulphuric acid by Copper as a Function of the Temperature . . . , . . . I BRTJYN (CORNELIS ADRIAAN LOBRY DE). Free Hydrazine L. . . . HARER (FRITZ). Oxidation by means of Hydroxylamine . . . . ANGELI (ANGELO). Nitrohydroxylamine . . . . . . . LOSANITSUH (SIMA M. ) and MILORAD Z. JOVITSCHITSCH. Elecdrolysis of Solutions of Ammonia containing Salts and Bases . . . HANTZSCH (ARTHUR RUDOLF) and LUDWIG KAUFMANN. Hyponitrous acid HANTSCH (AETHUR RUDOLF).Isomerism of the Compounds N,0,H2 . MUTHMANN (WILHELM) and A. CLEVER. Nitrogen Pentasulphide . . STOKES (HENRY N.). Trinietaphosphiniic acid and its Deeomposition Products . . . . . . . . . . . MUTHMANN (WILHELM)' and A. CLEVER. Compounds of Phosphorus with Selenium . . . . . . . . . . . KAHLENBERG (LOUIS) and OSWALD SCHREINER. Boric acid and its Salts OLSZEWSKI (KARL). Attempt to Liquefy Helium . . . . . . VILLARD (P.). PHILLIPS (FRANCIS C. ). A form of Silver obtained on the Reduction df the WAIT (CHARLES E.) Oxidation of Siiver . . . . . . . . REBUFFAT (ORAZIO). Hydraulic Cements . . . . RICHARDS (THEODORE WILLIAM) and H. G. PARKW. Atomic iveight of Magnesium . . . . . . . , . . . . . MYLIUS (FRANZ) and ROBERT FUNK. Corrosion Phenomena of Zinc Plates MYLIUS (FRANZ) and ROEERT FUNK.* 'Elehroiytic 'Refining bf Cadmium . LANE (ALFRED CHURCH). Crystallised Slags from Copper Smelting . . SPRING (WALTH~RE) and L. ROMANOFF. Solubility of Lead and Bismuth i n T i n . . . . . . . . . . . . . . Does Hydrogen find its Proper Place at the Head of Does Hydro& fi'nd its Proper Slow Oxidation of' Group I. or a t the Head of Group VII. ? . . . . Place a t the Head of Group I. or a t the Head of Group VII. ? . Combination of Argon with Water Sulphide by Hydrogen . . . . . . . . . SMITS (A). Magnesium Nitride . . . . . . . . . KRAUT (KARL). Zinc Carbonate . . PAGE ii, 544 ii, 545 ii, 545 ii, 545 ii, 545 ii, 546 ii, 546 ii, 547 ii, 547 ii, 547 ii, 548 ii, 19 ii, 19 ii, 19 ii, 21 ii, 21 ii, 22 ii, 22 ii, 23 ii, 24 ii, 25 ii, 25 ii, 26 ii, 26 ii, 28 ii, 29 ii, 30 ii, 31 ii, 31 ii, 32 ii, 32 ii, 32 ii, 33 ii, 33 ii, 34 ii, 34 ii, 35 ii, 35 ii, 36xii CONTENTS.HOEHNEL (hi.). Metaplumbates . . . . . . . . through Lead Pipes . . . . . . . . . DROSSIUCH (G. PAUL). The Components of Monazite . . . . HARPF (A.). Crystallised Mzrtin-slag . . . . . ANTONY ( U ~ A L D O ) and T. BENELLI. Potable Waters which have flowed TARE r ( t t a o u ~ ) . Double Cilloriies . . . . . . . . . GIORGIS (GIOVANNI) and UGO ALVISI. Analyses of Steel . . . . MYLIUS (FRANZ), FRITZ FOERSTER, and GEORG SCHOENE. Steel . . JORGENSEN (SOFUS MADS). Constitution of Cobalt, Chromium and Rhodium Bases . . . . . LOXGI (ANTONIO). Action df Chromic acid on Thiosulphuric acid . . LONG (JOHN HARPER).Formation of Antimony Cinnabar . ANTONY (UBALDO) and ADOLFO LUCCHESI. Action of Alkali Sulphides on Auric Sulphide . . . . . . . . - . . . ANTONY (UBALDO) and ADOLFO 1,uccHEsr. Purple of Cassius . . . S c ~ o u (DAGMAR). New Double Salt of Platosemidiamiiie . . . . PALMAER (WILHELM). Iridio-ammoniuiu compounds . . . . HIRTZ (H.) and VICTOR MEYER. Slow Oxidation of Hydrogen and Carbon . . . . . . . . . . HULETT (GEORGE AuG.). Purification of Water by Distillation . . . DEFREN (GEORGE). Nitrites in the Air . . . . . . . . STOKES (HENRY N.). Tetrametaphosphimic acid . . . . . SCHLcESING (TH., jun.). Uniforinity in the Distribution of Argon in the Atmosphere . . . . DUBOIN ( ANDR~). Method of preparing Doubie Siiicates of Potassium and other Metals . . .. . . . . . . . ERDMANN (HUGO) and PAUL KGTHh’ER. Rubidium Dioxide , . . ERDMANN (HUGO) and PAUL K~THNER. . SULC (OT‘roIcAR). Electrolytic Silver Peroxide . . . . PICCINI (AuGusTo). Peroxides in their Relatianship to the Periodic VARET (RAOUL). Double Bromiies . . . . . . . . . BIERNACKI (VICTOR). Aluminium amalgam . . . . . . . WERNER (ALFRED) and AKTURO MIOLATI. The Constitution of Inor- DUFAU (EM.). Nickel Dioxide and its Ac‘id Pi-operties :’ Barium’Nickelitd CAhirmLL (EDWARD D.). Diffusion of Sulphides through Steel . . . CAMPBELL (EDWARD.) and S. C. BABCOCK. Influence of Heat-treat- . NAG (NAGENDRA CH.). New Cobalt and Nickel Snit,: . . . . Double Salts of Rubidium . System of the Elements . . . . . . . . . ganic Compounds ment and of Carbon on the Solnbility of Phosphorus in Steels .BLYTH (T. R.). Bismuth Oxyiodide . . . . . . . . FRANCHOT (R.). Kascent Hydrogen . . . . . . . . . . CHRBTIEN (PAUL). . OTTO (MARIUS). Ozone and Phosphorescencc . . . . . BESSON (JULES ADOLPHE). Action of some Hydrogen Compounds on’ LEDUC (ANATOLE). Densities of Nitrogen, Argon, and Oxygen, and the Composition of Atmospheric Air . . . . . . . . . DEFREN (GEORGE). Presence of Nitrates in the Air . . . . . BERTHELOT (MARCELLIN) and GUSTAVE ANDHI?. Transformations of Pyro- GRENET (L.). EKect of the Presence of Boric Acid in Giass and Enamels 1 HABER (FRITZ) and A. WEBER. Combnstioii of llluminating Gas on Cooled Surfaces . . HASENCLEVER (ROBERT WILHELM). The beveiopment bf the Soda Manu- facture and Allied Industries i n the last 25 years .. . . . GKJNTZ (ANTOINE). Lithium Nitride . . . . . . . . . LEBXAU (PAUL). Beryllium Oxide . . . . SCHiiTZENBERGER (PAUL) and 0. BOUDOUARD. Earths of th; Yttria Group in Monazite Sands . . . . . CROOKES (WILLIAM). The Alleged New Eiement, Lucium . . . . Action of Sulphuric acid on Iodine and Iodic acid Thionyl Chloride . . . . . . . . . . phosphoric Acid . . . PAGE ii, 36 ii, 36 ii, 38 ii, 38 ii, 39 ii, 39 ii, 40 ii, 41 ii, 41 ii, 42 ii, 43 ii, 43 ii, 43 ii, 44 ii, 4-1 ii, 93 ii, 94 ii, 94 ii, 94 ii, 96 ii, 96 ii, 96 ii, 98 ii, 98 ii, 99 ii, 99 ii, 99 ii, 100 ii, 100 ii, 101 ii, 101 ii, 102 ii, 138 ii, 138 ii, 139 ii, 139 ii, 140 ii, 140 ii, 140 ii, 141 ii, 141 ii, 142 ii, 143 ii, 144 ii, 144 ii, 144... CONTENTS. X l l l PACE MORSE (HARMON NORTHRUP). Reduction of Permanganic Acid by THOMAS (VICTOR).Absorption of Nitric Oxide by Ferrous Bromide . . ii, 145 GUICHARD (M.). Molybdenum Iodide . . . . . . . ii, 145 SABANERFF (ALEXANDER P. ). Structural Isomerism in Inorganic Cornpounds ii, 170 VABER (FRITZ) and A. WEBER. Combustion of Con1 Gas in Gas Enqincs . ii, 170 GIESEL (FRITZ). . . . ii, 170 Manganese Dioxide . . . . . . . . ii, 145 DUFAU (EM). Crpstalline MagnesiumChromite . . . . . . ii, 145 LEVAT. The Tempering of Steel in a Solution of Phenol . . . ii, 145 artificial colouring of Crystals of the Haloid Salts of the Alkali Metals by means of Sodium and Potassium Vaponr SENDERENS (JEAN BAPTISTE). Metallic Precipitation . . . . . ii, 171 DUDLEY (WILLIAM L.). Nickelonickelic Hydroxide . . . . . ii, 171 CHESNEAU (GABRIEL).Sulphides of Cobalt and Nickel . . . . ii, 172 RECOURA (ALBERT). acid . . . . . . . . . . . . . ii, 172 WYRUBOFF (GREaoIRE k.), The Sil&otungstates . . . . . . ii, 173 HALLOPEAU (L. A. ). Antimoniotunqstates . . . . ii, 178 RHADURI (IYOTIBHUSHAN). Conversion of Hypochlorites into Chlorates . ii, 206 TAYLOR (ROBERT LLOYD). Hvpoiodous acid and Hypoiodites . . ii, 207 PBLAEON (H.). Absorption of Hydrogen Sulphide by Melted Sulphur . ii, 207 METZNER (RENI~). Action of Ammonia on’Tellurium Tetrachloride : Tellu- BESSON (JULES ADOLPHE). Action of Hydrogen Sulphide and Hydrogen Selenide on Phosphorus Oxychloride . . . . . . ii, 208 NAUMANN (ALEXANDER) and E. G. MUDFORD. Action o f Chiorine and Steam on Red-hot Carbon . . . . . . . . . ii, 208 BERTHELOT ( MARCELLIN PIERRE EUGENE).Helium ii, 209 KREUTZ (FELIX). Artificial Coloration of Crystals of the Haloid Saits of the Alkali Metals by Sodium or Potassium Vapour . . . . . ii, 210 HERTY (CHARLES H.) and HOMER V. BLACK. Alkali Trihaloids . . . ii, 210 DITTE (ALFRED). Action of Halogen Hydracids on Solutions of the corrc- sponding Alkali Salts . . . . . . . . . . ii, 210 DITTE (ALFRED). Action of Alkali Hydroxides on Solutions of the corre- sponding Halogen Salts . . . ii, 210 COLSON (ALBERT). Action of Hydroge; Chloride o n Alkali Sulphates . ii. 211 COLSON (ALBERT). Decomposition of Metallic Snlphates by Hydrochloric acid . . . . . . . . . . . . . . . ii, 211 GTJNTZ (ANTOINE). Action of Lithium on Carbon and certain Carbon com- BARTLETT (EDWIN J.) and WILLIAM F.RICE. Silver Hydride. . . . ii, 212 WARREX (HENRY NEPEAN). Calcium Carbide, a New Reducing Agent . ii, 212 WARREN (HENRY NEPEAK). Action of Boron on Iron and Steel, and Errors . . . . . ii, 213 PETXT (PAUL). Action of dissolved Carbonic Anhydride on Iron . . . ii, 21 3 DURKEE (FRANK W .). Action of Water of the Hubb Coal Mine on Cast Iron ii, 213 CAMPBELL (EDWARD D.). Pure Carbide of Iron . . . . . . ii, 214 TALBOT (HENRY P.). Volatility of Ferric Chloride . . . . . . ii, 214 OHALMOT (GUILLAME J. 1,. DE). Silicide of Chromium . . . . ii, 214 DEFACQZ (ED.). Reduction of Wolfrnmite by Carbon in the Electric Furnace ii, 214 GAWALOWSKI (A.). Recovery of Uranium from Residues . . . . ii, 214 PICCINI (AUGUSTO). Alums of Vanadium Trioxide . . . . . . ii, 215 LEA (MATTHEW CAREY).An Experiment with Gold . . . . . ii, 216 GRANGER (A. 1. Action of Phosphorus on Platinum . ii, 215 BODENSTEIN (MAX) Decomposition and formation of Hydrogen ’Iodide . ii, 252 BODENSTETN (MAX). Decomposition of Hydrogen Iodide by Light . . ii, 252 THIERRY (MAURICE DE). Atmospheric Ozone on Mt. Rlanc . . ii, 253 JORISSEN (W. P. ). Triethylphosphine and of Benzaldehyde . . . . . . . ii, 253 IHLE (RUDOLF). So-called ‘ Autoxidation ’ . . . . . . ii, 253 BESSON [JULES ADOLPHE.). Pyrosulphuryl Chl6ride . . . . . Ii, 254 A new acid containing Chromium : Sulphochromic OTTO (MARIUS). Density of Ozone . . . . . . . ii, 207 rium Nitride . . . . . . . . . ii, 208 pounds . . . . . . . . . . . ii, 212 in rron Analysis caused by the presence of Boron Product!on of Active Oxygen by the slow Oxidation ofxiv CONTENTS. PAGE TANRET (CEARLES).MUTEMANN ( WILHELM) *and E. SEITTER Nitrogen Sulphide . . ii, 255 BERTBELOT (MARCELLIN) and GUSTAVE A N D R ~ . Metaphosphoric acid . ii, 256 WEINLAND (R. F.) and 0. RUMPF. Sulphoxyarsenates (Thioarsenates) . ii, 257 RAMSAY (WILLIAM) and JOHN NORMAN COLLIE. and Argon ii, 258 HAGENBACH (AUGUST). BRAUNER (BOHUSLAV). Argon, Helium, and Prout's Hypothesis . . ii, 259 JARRY (R.). Ammonium-silver Chlorides . . . . . . . . ii, 259 MULDER (EDUARD) and J. HRRINGA. Silver Peroxynitrale . . . ii, 260 POLLACCI (EGIDIO). Solubility of Calcium Carbonate and Phosphate . . ii, 260 WALKER (JAMES) and SYDNEY A. KAY. SABATIER (PAUL). Action of Cuprous Oxide on Silver Nitrate Solutions ii, 261 CHALMoT (GUILLAME J.L. DE). Silicides of Copper and Iron . ii, 262 GUXTZ (ANTOINE) and ARTHUR MASSON. and Carbonic Oxide on Aluminium . , . . . . ii, 262 THOMAS (VICTOR). ROSZKOWSKI (JAN). . . . . . ii, 263 WERNER (ALFRED). Nomenclature of Cobaltamine Compounds . . . ii, 263 WERNER (ALFRED) and ARNOLD KLEIN. GRANGER (A. ). Chromium and Manganese Phosphides . . ii, 265 JONES (HARRY CLARY) and E. MACKAY. WEINLAXD (RUDOLPH F. ) and 0. 'LAUENSTEIN. Fluoroxyiodates . ii, 312 P~LARON (H.). PAWLEWSKI (BRONISLAW). Sdphuryi Chioridk . ii, 313 HILLMAYR (WILHELM). The Freezing Point of Dilute Sulphuric acid * . ii, 313 MESSINGER (CARL). Sodium Thioselenide . . . . . . . ii, 313 ANDREOCCI (AMERICO). Nitrogen Sulphide . . . . . . . ii, 315 MESSINGER (CARL). Selenoarsenates . . , . ii, 314 MOISSAN (HENSI).Conversion of Diamonds into Graphite in a Crooked Tube . . . . . . . . . . . . . i i , 3 1 5 RAMYAY (WILL1AM)'and'JOHN NORMAN COLLIF:. Helium and Argon. 111. Experiments which show the inactivityof these Elements . . . ii, 315 RAYLEIQH (JOHN WILLIAM STRUTT, LORD). Amount of Argonand Helium tained in the Gas from the Bath Springs . . . . . ii, 316 SMITHER (F. W. ). Drying and Deliquescence of certain Salts . . ii, 316 BUCCA ( LORENZO) and GIUSEPPE O~DO. Micrographic Study of some Italian Cements . . . . . . . . . . . . . i i , 3 1 6 MYLIUS (FRANZ) and ROBERT FUNK. Hydrates of Cadmium Sulphate . ii, 316 SCH~TZENBERGER (PAUL) and 0. BOUDOUARD. Earth contained in Mon- azite San& . . . . . . . . . . . . . ii, 317 URBAIX (G.) and E. BUDISCHORSKY. The Earths in Monazite Sands .. ii, 318 HARTLEY (WALTER NOEL) and HUGH RAMAGE. Occurrence of Gallium in the Clay-ironstone of khe Ceveland District of Yorkshire : Determina- tion of Gallium in Blast-furnace Iron from Middlesbrough , . ii, 318 SENDERENS (JEAN BAPTISTE). Action of Iron on solutions of Metallic HOFMANN (KARL A.). Metallic Ainmonium derivatives . . . . ii, 320 ZEHENTER (JOSEF). Double Chromates . . . . . . . . ii, 322 B~ssox- (JULES ADOLPHE). Stannic Chlorobromides . . . . . ii, 322 BAUBIGNY (HENRI). Action of Heat on Antimony Tetroxide . . . ii, 322 Action of Dilute Nitric acid on Nitrates in presence of Ether . . . . . . . . ii, 255 Homogeneity of Helium Attempt to separate the two constituents of Clb: . . . . . . . veite Gm by Diffusion . . . . ii, 258 The so-cdled " Hypoiodite of Magnesia " .. . . . . . . . . . ii, 261 Action of Carbonic Anhydride Action of Nitrogen Oxides on Ferrous Chloride and Organic Compounds which prevent the Precipitation 1 : 6-Dichlorotetramminocobalt Convenient Method of Purifying Conditions of the Direct Combination of Hydrogen a n i Bromide . . . . . . . . . . . . . ii, 262 of the Hydroxides of Iron, Cobalt, and Nickel Salts (Chloropraseo-salts) . . . . . . . . ii, 264 Water . . . . . . . . ii, 312 Sulphur . . . . . . . . . . ii, 312 . . . . . . . . . . Nitrates . . . . . . . . ii, 319 HOFMANN (KARL A.). Ferric Alkali Salts of Sulphurous acid . . . ii, 319 MATTHEY (EDWARD). Liquation of certain Alloys of Gold . . . . ii, 323CONTENTS. xv PAGE GRANGER (A.). Action of Phosphorus on Gold .. . . . . ii, 323 MIOLATI (ARTURO). Mixed Platino-haloids . . . . ii, 333 LETTERMANN (W.). Preparation of Hydrogen from Iron and Water . . ii, 368 FASBAKY (J. ). Commercial Production of Tellurium . ii, 368 LEPEL (FRANL VON). Oxidation of Nitrogen by Means of E1ectric'Spa;ks or the Electric Arc . . . . . . . . . . . ii, 369 THIELE (JOHANNES). Constitution of Nitramide . . . . . . ii, 369 HANTZSCH (ARTHUR RUDOLF). Nitraniide . . . . . ii, 369 DIVERS (EDWARD). Hyponitrous acid . . . . . . . . ii, 369 BESSON (JULES ADOLPHE). Hypophosphorous Oxide . . . . ii, 370 FRANCK (LEON) [and in part E~TINGER]. ii, 370 BONNEFOI (J.). Compounds of Ammonia and of Methylamine with Halogen Salts of Lithium . . . . . . . . . ii, 371 GRANGER ( A.). Silver Diphbsphrde .. . . . . . . . ii, 371 STRTJVE ( HEINRICH). Magnesium Phosphates . . , . ii, 372 MCINTOSH (DOUGLAS). Solubility of Mercuric Chloride' . ii, 372 MOURLOT (A.). Effects of a High Temperature on Copper, Bismuth, Silver, DELAFONTAINE (M. MARC). Fergusonite ketals : Philippium . . . ii, 373 KONOWALOFF (DMITRI t'.). Aluminium Amalgam . . . . . ii, 374 CHRISTENSEN (ODIN T.). Formation of Manganese Compounds . . . ii, 374 HICKS and O'SHEA. Preparation of Pure Iron . ii, 374 MOISSAN (HENRI). Iron and Carbon . . . . . . . ii, 375 ENGEL (RODOLPHE CHARLES). Metastannyl Chloride . . . . . ii, 376 FUESE (OTTO). Crystalline Thorium Nitrate . . . . . ii, 377 DELAFONTAINE (M. MARC). Separation of Thoria from Zirconia . . . ii, 377 THOMAS (VICTOR). Bismuth Dichloride . . . . .. . ii, 377 THOMAS (VICTOR). Action of' Air and Nitric:Peroxidk on Bismuth Bromide and Iodide . . . . . ii, 377 BACH (A,). Function of Peroxides in Phenomena of Slow Oxidation . . ii, 401 ENGLER (CARL) and W. WILD. The so-called Rendering Active ("Activi- rung") of Oxygen and the Formation of Peroxides . . . . . ii, 402 YEIRCE (A. W.). Existence of Seleniuni Monoxide . . . . . ii, 403 HIBBR (JOSEPH GILLINGHAM). Atomic weights of Nitrogen and Arsenic . ii, 403 BLEIER (OTTO). Combustion of Nitrogen . . . . . . . . ii, 404 HENTSCHEL (W.). Nitrogen Chloride . . ii, 404 SZARVASY (EMERICH) and CARL MESSINGER. Mole'cular Weight 'of Arsen- amphideCompounds . . . . . . . ii, 404 KELLEY (JEROME) and EDGAR FRANCIS SMITH. Ac'tion b f aiid Vapours on SZARVASY ( EMERICH). Arsenic 'Monoselenide and the Vapour Density of WILLIAMS (WILLIAM CARLETON).Amount o f Carbonic Anhydride in the FERREIRA DA SILVA (ANTONIO JOAQUIM). Constitution oi th;! Metallic SPEZIA (GIORGIO). Influence of Pressure on the Solubility of Quartz in BAUBIGNY (HENRI) and PAUL RIVALS. Action of Potassium Perman- ESCALES (RICHARD). Preparation of Aluminium Chloride . . . . ii, 407 JUPTNER (HANNS VON). Saturation of Iron with Carbon . , . . ii, 407 HALL (VERNON J.). Ferric Hydroxide in Precipitation . . . . ii, 408 SCHAFFER (HERBERT A.) and EDGAR FRANCIS SMITH. bromide . . . ii, 408 MCILHINEY (PARKER C.j. Action of 'Ferric Chloride on' Metallic'Gold . ii, 408 MOISSAN (HENRI) and JAMES DEWAR. Liquefaction of Fluorine . . ii, 446 HENTSCHEL (W. ). Composition of Nitrogen Chloride .. ii, 447 BESSON (JULES ADOLPHE). Action of Water on Phosphoryl Chlokde' . ii, 447 Diamonds in 'steel Tin, Nickel, and Cobalt Sulphides . . . . . . . ii, 372 Production of Iron Carbide by. Dirlct Corndination of Metallic Sulphides . . . . . ii, 405 Selenium . . . . . . . . ii, 405 Atmosphere . . . . . . . . ii, 405 Carbonyls . . . . . . . . . . . . . . ii, 406 Water . . . . . . . . . ii, 406 ganate on Cupric Bromide . . . . . . . . . ii, 407 CHARPY ( GEORGES). Constitution of Metallic k l o y s . . . ii, 406 Tungsten Hexa-xvi CONTENTS. WEINSCHENK (ERNST). Graphite, Graphitite, and Graphitoid . , . MURMANN (ERNST). Purification of Commercial Potash and Soda . . SENDERENS (JEAN BAPTISTE). Action of Hydrogen on ,Soluhons of Silver Nitrate : Purification of Hydrogen .. - . . . . . OSMOND (FLORIS). Alloys of the Silver-Copper Group . . . . . MOURELO (Jos13 RODRIGUEZ). Phosphorescent'stro'ntium Sulphide . . TASSILLY. Basic Salts of Cadmium . . . . . . . . . HARTH (THEODOR). Mercury Haloid Double Compounds . . . . WYROUBOFF (GREGOIRE) and AUGUSTE VICTOR LOUIS VERNEUIL. Purifica- tion of Cerium . . . . . . GRANGER (A.). Compounds of Phosphorus miih Iron, Nickel, a i d Cdbalt' JORGENSEN (SOFUS MADS). Constitution of Cobalt, Chromium, and Rhodium Bases . . . . . . . . . SABANBEFF (ALEXANDER P.). Colloidal Tungitic Acid . . . . . K R ~ S S (GERHARD). Thorium . . . . . . . . . COSSA (ALFONRO). Constitution of Platosemiamine Compounds . . . GAUTIER (8. J. ARMAND) and H. HELIER. Action of Light on mixtures of Chlorine and Hydrogen .. . . . . BERTHELOT (MARCELLIN PIERRE EUG~NE). Action of Light on mixtures of Chlorine and Hydrogen . . . . . . GAUTIER ($MILE JUSTIN ARMAND). Action' of 'Light on mixtures of Chlorine and Hydrogen . . . . . . . . JORISSEN (W. P.). Rendering Oxygen active during the slow oxidation of Sodium Sulphite PFEIFFER (GEORGE J.). Tables' of the Specific Weight of Solutions of METZNER (REN~). Action of Telluric Chloride aiid Fluoride on the cor- METZNER (REN~~). Combination of Tellur'ic Bromide and Iodide with the BESSON (JULES ADOLPHE). Phosphorus Iodides . . . . . . REMMELEN (JACOBUS M. VAN), A. SIMON-THOMAS, and EDUARD A. Calcium Fluoride in a Fossil Elephant's Bone from the Tertiary . . . . . . . . . . . REMMELEN (JACOBUS MARTINUS VAN) and EDUARD A. KLORBIE.Ab- sorption of Calcium Fluoride, Lime and Phosphates in Fossil Bones . ZECCHINI (F.). Action of Zinc on Hydrogen Chloride dissolved in Organic Solvents . . . . . . . . . . SABATIER (PAUL). Basic Cupric salts and Brown Cup& Hydroxide . . FRANQOIS (MAURICE). Action of Ammonia on Mercurous Iodide WYROUBOFF (GREGOIRE N. ) and AUGUSTE VERNEUIL. AtomiciWeight of VILLIERS (ANTOINEj. A Process of Oxidation and Chlorinahon '[by Man: gnnese Salts] . . . . . . . . . . . BERTRAND (GABRIEL). Oxidising action of Manganese Saits : Constitu- tion of Oxydases . . . . . . . . . . . LIVACHE (AcH.). Function of Manganese in certain Oxidations . . . WERNER (ALFRED). Constitution of Inorganic Compounds. IX. Triam- mine and Diammine Cobaltic Salts GUICRARD (M. ). Reduction of Molybdic Anhydride by Hydrogen .. RORENHEIM (ARTHUR). Salts of Sulphomolybdic acid . . . . . POCHARD (E.). Maganimolybdates . . . . . . . . . HALLOPEAU (L. A.). Zirconotungstates . . . . . . . . LESINSKY (JOSEPH) and CHARLES GUNDLICH. Thorium compounds . . POUGET. Potassium Sulphantimonites . . . . . . . . SOMMERLAD (HERMANN). Preparation of Silver Sulphantimonites and Sulpharsenites by a dry method . . . . . . . . . LE CHATELIER (HENRI LOUIS). Lithium Borate . . . . O,SMOND (FLORIS). Silver-Copper Alloys . . . ATHANASESCO (NICOLES). Basic Nitrates . . . . . Sulphur in Carbon Bisulphide . . . . responding Hydracids . . . . corresponding Hydracids . . . . . . . . . KLOBBIE. Cerium . . . . . . . . . . . . . . GARNIER (JULES). Fluidity of fused Nickel . . . . .PAGE ii, 447 ii, 448 ii, 448 ii, 448 ii, 449 ii, 449 ii, 450 ii, 451 ii, 451 ii, 451 ii, 452 ii, 453 ii, 453 ii, 456 ii, 456 ii, 457 ii, 486 ii, 486 ii, 486 ii, 487 ii, 488 ii, 488 ii, 489 ii, 489 ii, 490 ii, 490 ii, 491 ii, 491 ii, 492 ii, 492 ii, 492 ii, 493 ii, 493 ii, 493 ii, 496 ii, 496 ii, 497 ii, 498 ii, 498 ii, 499 ii, 499 ii, 500CONTENTS. POUGET. Silver Sulphantimonites . . . . . . . . . BERTHELOT (MAKCELLIN PIERRE El-GBNE). The commencement of the combination of Hydrogen with Oxygen . . . . . . . RICHARZ (FRANZ). Electrolytic Formation of Persulphuric acid . . . LEDUC (ANATOLE). Atomic Weights of Nitrogen, Chlorine, and Silver . MOISSAN ( HENRI). The different varieties of Carbon (Amorphous, Graphite Diamond) . . . . . . . . . . . . . . CONSTAM (EMIL JOSEPH) and ARTHUR VON HANSEN.Electrolytic prepara- tion of a new class of Oxidising Substances WELLS (HORACE LEMUEL) and H. W. FOOTE. Doubie Halogen s i t s of Cssium and Rubidium . . . . . . . . . . MULDER (EDUARD). Silver Peroxynitrate ADLER (MAX). Precipitated Calcium Carbonate . . * SABATIER (PAUL). Action of Cupric Hydroxide on Silver Nitrate Solution FOERSTER (FRITZ). Preparation of Thallium by electrolysis . . . HOFMANN (KARL A.) and E. C. MARBURG. Compounds of Hydrazine with Mercury salts . . . . . . . . . . . . CARNOT ( ADOLPHE) and’GonTaL. Condition in which elements other than Carbon exist in Iron and Steel . . . . . . . . . . MOI~SAN (HERRI). Chromium . . . . . . . . . WEINLAND (RUDOLPH F.) and KARL SOMMER. Arsenothiomolybdates . HOFMASN (KARL A.). Hydroxylamine-ammonia compounds of Uranic acid . . . . . . . . . . . . . DENNIS (LOUIS MUNROE) a n i A. E. SPENCER. Zirconium Tetraiodide . WELLS (HORACE LEMUEL) and H. W. FOOTE. Double Fluorides of Zirco- nium with Lithium, Sodium, and Thallium . . . . . . . . . . . . . . . . Mineyalogical Chemistry. DOELTER (CORNELIUS). Behaviour of Minerals when submitted to the BETUERS (JAN ‘ W I L k j . Heavy Liquids for the Separation of Minerals . MOISNAN (HENRI). Diamondiferous Sand from Brazil . . . . . MERRILL (GEORGE PERKINS). Free Gold in Granite . . . . . SCHL(ESINO (TH. jun.). Nitrogen and Argon in Fire-damp and in the Gas from the Rochebelle Coal Seam . . . . . . PECKHAM (STEPHEN FARNUM) and LAURA A. LINTON. Trinidai Pitch . TRAUBE (HERMANN). Rutile, Cassiterite and Zircon .. . . FRANCHET (LOUIS). Reniform Limestone from Villejuif PRATT (JULIUS HOWARD). Northupite, Pirssonite, Gaylussite and Hank: site from Borax Lake, California . . . . . . . . FRANCHET (LOUIS). Mysorine (Anhydrous Copper Carbonate) . . STOKES (HENRY GILLERT). A Green Mineral from Brisbane, Queensland DAVISON (JOHN M.) Wardite, a new Hydrous Basic Aluminium Phosphate CLARKE (FRANK WIGGLESWOKTH). Constitution of the Silicates . . PHILIPPI (E.). Microcline from the Spessart . . . . . . . LONWINSON-LESSIXG (FRANZ). Pyrophyllite from ‘the Urals . . . WINCHELL (N. H.). Crystal of Labradorite from Gabbro . . . . GLINKA (K. D.). Alteration of Glauconite . DOELTER (CORNELIUS). Artificial Production of Rocks’ by Fusion in the Presence of Various Agents . . . .. . . . . FAIRBANKS (HAROLD W.). Analcite-diabase from California . . . BERTOLIO (S.). Comendite, a new Rhyolite . . . . . . . COVTE (JOHN HENRY), Green Slate from Llanberis . . . . . WOLFF (JOHN ELIOT). Theralite from CostaRica . . . . . . COHEN (EMIL WILHELM). Meteoric Irons [Rhabdite and Schreibersite] . MERRILL (GEORGE PERKINS). The Meteorite of Hamblen Co., Tennessee . X-Rays . . . . . . . PALACHE (CHARLES). Crocoite from Tasmania . . . . . OELS (M.). Rocks and Asbestos from Corsica . . . . . LORWINSON-LESSING ( FRANZ). Altered Vesuvian Lava . . xvii PAGE ii, 500 ii, 548 ii, 549 ii, 549 ii, 549 ii, 550 ii, 551 ii, 551 ii, 552 ii, 553 ii, 553 ii, 554 ii, 555 ii, 556 ii, 556 ii, 557 ii, 558 ii, 558 ii, 45 ii, 45 ii, 46 ii, 46 ii, 46 ii, 47 ii, 47 ii, 47 ii, 48 ii, 49 ii, 49 ii, 50 ii, 50 ii, 50 ii, 53 ii, 53 ii, 53 ii, 54 ii, 54 ii, 54 ii, 55 ii, 55 ii, 55 ii, 56 ii, 56 ii, 56 ii, 58xviii CONTENTS.PAGE HILGARD (EUGEN WOLDEMAR). MIXGAYE (JOHN C. H,). Artesian Waters of N.S. k7ales . . . . ii, 58 HARRINGTON (BERNARD JAMES). Advances in Mineralogical Chemistry . ii, 102 CURRAN (J. MILNE). Selenium associated with Gold and Bismnth : Gra- phitic Slate, and Water from New South Wales . . . . ii, 102 PITTMAN (EDWARD F. ). Two new Mineral substances from Broken 'Hill, HOFFMANN (G. CHRISTIAN). [An; imony Ochre, Celestite, Galena, Graphite, Tetrahedrite, Meymacite, and Anthraxolite from Canada] . . . ii, 103 LIERRICH (A.). Bauxite and Emery . . . . . . . . ii, 104 CHRISTOMANOS (ANAsrAsIos c.). Greenockite from Laurion .. . ii, 104 IIALL (EDGAR), Origin of Malachite . . . . . . ji, 105 CARNOT (ADOLPHE). Blue Apatite from ilo:,tebras . . . ii, 105 KLOCKMAKN (FRIEDRICH). " Mangankiesel from the'Harz . ii, 105 SMYTH (CHARLES HENRY, jun.). The Genesis of the Talc Deposits 0; St. Lawrence Co., New York . ii, 105 WEINSCHENK ( ERNST). Minerals o i the Griss-Venediger 'in the Hohc Tauern . . . . . . . . . . . ii, 106 MERRILL (GEORGE 'YERKINS). Disintegration and Decomposition of 'Dia- base . . . . . . . . . . . . . . ii, 107 JOHN (CONRAD H. VON). Dust which fell [in Austria-Hungary] in February, 1896 . . . . . . . . . ii, 108 WINCIIELL (NEWTON H;). The Arlington Iron . . . . . ii, 109 BAMBERGER (MAX). Discovefy of Argon in the Gases of a Spring a t BAILEY (EDGAR HENRY SUMMEKFIELD) and MARY A.RICE. Water from FRESENJUS (CARL KEMEGIUS) and ERNST HINTZ. Thermal Spring a t Wiesbaden . . . ii, 109 LUDWIG (ERNST). Carbonated Water from Seifersdorf (Ausdrian'Silesia) . ii, 110 LUDWIG (ERNST). The Constantin-Spring in Gleichenberg (Styria) . . ii, 110 CASE (E. C.). Deposit from a Chalybeate Water . . . . . . ii, 110 SCHULTEN (AUGUST BENJAMIN, BARON DE). Artificial Piresonite. Simultaneous Production of Northupite, Gaylussite, and Pirssonite . ii, 146 CESARO (GIUSEPPE). Valleite, a Xew'Orthorhombic Amphibole . . . ii, 147 SCHNERR (H,). The Garnet Group . . . . . . . . . ii, 147 LORD (E.). [Action of Hydrochloric acid on Titaniferous Augite] . . ii, 147 LACROIX (ALFRED). Endomorphic Alterations of Granitic Magma in BOUCHARD (CH. )and ALEXANDRE DESGREZ.Gas from the Mineral Waters RETGERS (JAN WILLEM). Heavy Liquids for the Separation of Minerals . ii, 179 BAUER (MAX). Occurrence of Rubies in Burma . . . . . ii, 179 RAMMELSBERG (CARL FRIEDRICH). Chemical nature of Vesuvian [Idocrase] ii, 180 KAMMELSBERG (CARL FRIEDRICH). Theory of Plagioclase mixing . ii, 180 BECKE (FRIEDRICII). Relation between Dynamometamoiphism and LIPP (ANDREAS). Analysis of Water from a new Iodine spring . . ii, 181 WASHINGTON (HENRY S.). ii, 216 WEED (WALTER H.) and LOUIS V. PJRSSON. Rock from Montana . . . . . . ii, 216 LYONS (ALBERT BROWN). Composition of Hawaiian Soils and Rocks . ii, 217 FOOTE (WARREN M. ). The Sacramento Mountains Meteorite . . ii, 218 HOWE (JAMES LEWIS) and H. D. CAMPBELL [Water] from Chichan-Kinab, Yucatan . . . .. . . . . . . ii, 218 JORISSEN (ARMAND). Molyidenum, Selenium, &c., in Coal from Lidge . ii, 265 HEBERDEY (P. PHILIPP). Artificial Antimonite [Stibnite] and Bismuth Crystals . . . . . . . . . . . . . . ii, 265 The Geologic Efficacy of Alkali Carbonate Solutions . . . . . . . . . . . ii, 58 N.S.W. . . . . . . . . . . . . . ii, 102 Perchtoldsdorf, near Vienna . . . . . . . . ii, 109 a Mineral Spring in Mitchell Co., Kansas . . . . . . ii, 109 NICOL (W. 1. Anhydrite in Ontario . . . . . . . ii, 147 Contact with Limestone . . . . . . . . . . ii, 148 of Bagnoles de 1'Orne . . . . . . . . . ii, 148 FAKTOR (Fa.). Mineral Water of Kralitz . . . . . . . ii, 148 Molecular Volume . . . . . . . . . . . ii, 181 Igneous Rocks from Smyrna and Pergamon . Missourite : a new LeuciteCONTENTS.xix PEARCE (RICIIARD). A Tellurium Mineral from Colorado . . . . FRENZEL (AUGUST). [Bismutosmaltine, Wolframite, Agricolite, &c.] . . WEIBULL (MATS) and AUG. UPMARK. So-called Dicksbergite . . . IGELSTROM (LARS JOHAN). Dicksbergite from Dicksberg, Wermland . . NITZE (H. B. C.) Monazite . . . . . . . . . . . KATZER (FRIEDRICH). [Mispickel, Vivianite, &c., from Bohemia] . . IGELSTROM (LAM JOHAN). Munkforssite, Bliabergite and Ransatite, three new Swedish Minerals . . . . . . . . . . . BODENBENDER (GUILLRRMO). Wolframite from Argentina . . . . WEINSCHENK (ERNST). Meerschaum from Eskishehir, Asia Minor . . BODENBENDER (GUILLERMO). [Halotrichite, Dioptase, and Rhodochrosite from Argentina] . . . . . . . . WEINSCHENK (ERNST). Mineral Vein‘s i n ‘the Serpentines of the Austrian Alps .. . . . . . . GONNARD i FERDINAND). Augite Crystals from the Central Piateail [of France] . . . . . . . . . . . . . WEINSCHENK (ERNST). Fuggerite, a new mineral from the Fassathal . BACKSTROM (HELGE). Manganandalustite from Vestan% . . . . RIES ( HEINRICH). Clay . . . . . . . . . . . COHEN (EMIL W.). . LASPEYRES ( EKNST ADOLPH HUGO,. Stony Constituents of the Meteoric Iron of Toluca, Mexico . . . . . . . . BREUKELEVEEN (M. VAN). Composition or the’Gas evolved from the water of a well near Enkhuisen . . . . . . . . . SMOOT (L. E. ). Mineral Tallow from Danby, kermont . . . . . BUCK (GEORGE C.). . SJOGREN (S. A. HJALMAR). Copiapite and Botryogen from Falun . . SJOGREN (S. A. HJALMAR). Tilasite or Fluor-adelite from Lhngban .. SJOGREN (S. A. HJALMAR). Mauzeliite, a New Antimony Mineral from SJOGREN (S. A. HJALMAR). Analyses and Constitution of Vesuvian [Ido- SJOGREN (S. A. H~ALMAR).’ Aiteration bf Chondrodite, Tremolite, and Dolomite into Serpentine a t the KO mine, Nordmark . . . . RINNE ( FRIEDKICH). I’hysico-chemical Investigation of Desmine SJOGREN (S. A. HJALMAR). Analyses and Constitution of Axitiite . . NORDENSKIOLD (OTTO) Edingtonite from Bohlet, Sweden . . . . PEEK (GEORGE N.). Analysis of a variety of Ilmenite . . . . . DOELTER (CORNELIUS). Synthetical Studies . . . . . . . SMITHER (P. W.). Analyses of Infusorial Earth . . . . . . SMOOT (L. E.). An Alum Water from Lea Co., Virginia . . . . STOBER (F.). Artificial Cotunnite . , . . . . . . . LOUIS (HENRY). Altaite from Burma .. , . . . . , MALLET (FREDERICK RICHARD). Nemalite from Afghhnisthn . . . SANDBERGER ( FRTDOLIN VON). [Brown Spar from Goldkronach, Bavaria]. RAU (0.). A Neutral “ Phosphoreisensinter ” . . . . . . . HUSSAK (EUGEN) and GEORGE T. PRIOR. Derbylitc from Tripuhy, Brazil . PRIOR (GEORQE T.). Composition of Zirkelite . . . . . . SJOGREN ( STEN ANDERS HJALMAR). Celsian, a Barium Felspar correspond- ing with Anorthite . . . . . . . . . . . HINTZE (CARL). Phenaltite from Silesia . . . . . . . CHAVES Y PSREZ DEL PULGAR (FEDERICO) and FEDERICO RELIMPIO Y ORTEGA. Beryl containing Cesium from Galicia . . . . . LACROIX (ALFRED). Gonnardite . . . . . MERRILL (GEORGE PERKINS). Asbestos add AYbestiform Minerals . . O’REILLY (J. P.). Mica from Co. Dublin . . . . . . . . 2-2 JOWA (L.).Artificial Gypsum . . . . . . . . TENNE (C. AUGUST). Leonite from Leopoidshall , . . . . Meteoric Iron from Locust Grove, North Carolina SJOGREN (S. A. HJALMAR). Periclase from Lhngban . . . . CARNOT ( ADOLPHE). Composition of Turquoise . . . . . Analysis of Dolomitic Marble from Texas, i%d. . Jakobuberg, Sweden . . . . . . . . . crase]. . . . . [Stilbite] . . . . . . . . . . . . PAGE ii, 265 ii, 266 ii, 266 ii, 266 ii, 267 ii, 267 ii, 267 ii, 268 ii, 268 ii, 269 ii, 269 ii, 269 ii, 270 ii, 270 ii, 271 ii, 271 ii, 271 ii, 272 ii, 272 ii, 272 ii, 324 ii, 324 ii, 325 ii, 325 ii 325 ii, 325 9 ii, 326 ii, 326 ii, 326 ii, 327 ii, 328 ii, 328 ii, 328 ii, 329 ii, 329 ii, 329 ii, 409 ii, 409 ii, 409 ii, 410 ii, 410 ii, 410 ii, 411 ii, 411 ii, 411 ii, 412 ii, 412 ii, 412 ii, 412xx CONTENTS.WEINSCHENK (ERNST). [Forsterite, Hornblende, Nontronite, Batavite, and Garnet froin Bavaria] . . . . . . LOVISATO (DOMENICO). Tourmaline from Caprha, Sardinia . . . . LOVISATO ( DOMENICO). [Hedenbergite and Epidote] from Sardinia . . JUDD (JOHN WESLEY). Simple Massive Minerals . . . . . HARRINGTON (BERNARD JAMES). Andradite from Ontario . . . . CHAVES Y PgREZ DEL PULGAR (FEnERICO). Synthesis of Iron Silicates . CHAVES Y P~REZ DEL PULGAR (FEDERICO). Analysis of a Barytes Rock BAILEY (EDGAR HENRY SUMYERFIELD) and W. M. WHITTEN. Gypsum Rocks from Kansas . . . . . . . . . . . MIDDLETON (JEFFERSON). Clay . . . . . . . . . . HOLLAND (PHILIP) and EDMUND DICKSON. Permian and Triassic Rocks from near Liverpool . , . . . . . . . . . COHEN (EMIL W.).Meteoric Iron from Forsyth Co., Georgia . . . DERBY (ORVILLE ADELBERT). The Bendeg6 Meteorite . . . . . KALECSINSZKY (ALEXANDER VON). [Hungarian Ores, Waters, &c.]. . . KYLE (JUAN J. J.). Argentine Waters . . . . . THADD~EFF (KOKSTANTIN). Composition and SpecificGravity of Sulfoborit;! IGELSTROM (LARS J.). Gersbyite and Munkrtidite . . . . . . FEDOROW (E. VON). Garnet from the Turjinsk mines . . MIRAT (SANTIAGO BONILLA). Aualysis of a Meteoric Stone whilh fell a t Madrid, February 10th) 1896 . . . . . . . . . . MARTIN (W. J., Jun.). Platinum . . . MEUNIER (STANISLAS). Asphaltic Rocks and the Origin of Asphaltum . ISTRATI (CONSTANTIN I.). Roumanite [Runianite] . . . . . . ISTRATI (CONSTANTIN I.). Ozocerite from Moldavia . . . . L CROIX (ALFBED).Marcasite, &c., Pseudomorphs after Pyrrhotite . . T%RMIER (PIERRE). Bournonite from Iskre . . . . . , . FRENZEL (AUGUST). Sylvanite from Kalgoorlie . . . . . HOFFMANN (U. CHRISTIAN). [Scheelite, Tetradymite, Alt'aite, Stromeyerite, Danaite, &c., from Canada] . . . . . . . . HOVEY (EDMUND OTIS). [Coral Limestones from Florida] . . . . LAUNAY (L. DE). [Origin of Iron Ores] . . . . . . BACKSTROM (HELGE). A Mineral allied to Pinakiolite, from LAngban . LACROIX (ALFRED). Crystallised Mineral formed in leaden coffins . . SCHULTEN (AUGUST BESJAMIN DE). Synthesis of Hanksite . . . CHRUSTCHOFF (KONSTANTIN VON). Isometric Crystals of Silica . . . LACROIX (ALFRED). Formation of Zeolites . . . . . . . HOGBOM (ARVID GUSTAF). Beryl in a Pseudomorph after Beryl . . . LINDsTROM (GVSTAF).Edingtonite from Bohlet, Sweden . . . , LEPIERRE (CHARLES). Constitution of Analcite . . . . . . SCHNERR (K. H.). [Analysis of Ilvaite] . . . . . . . . LACROIX (ALF~~ED). Action of Volcanic Fumeroles on Serpentine . . MERKILL (GEORGE PERKINS). [Chrome-diopside, Hornblende, and Pleo- PIRSSON (LOUIS V.). [Augite from Montana] . . . . . . SMITH (GEORGE OTIS). Fayalite . . . . . . . . naste from Montana] . . . . . . :. . BAUER (MAX). Jadeite from " Tibet '" . . . . . . HOLLAND (THOMAS H.). [Augite from Madras] . . . 1 . HANAMANN (JOSEPH). River Waters of Bohetnia ' . . . MABERY (CHARLES FREDERIC) and OTIS T. KLOOZ. American Kaolins . ASTON (EMILY ALICIA). ROBINSON (A. E. ) and CHARLES FREDERIC MABERY. Mineral Waters'from Pennsylvania . . . . . . .LANDERO (CARLOS F. DE). Argehtifekms 'Gold from Lower California . RAMMELSBERG (CARL FRIEDRICH). Arsenic compounds of Iron, Nickel, and Cobalt . . . . . . . . . . . . . P~WOZNIK (EDUARD). Composition of Nagyagite . . . . . MAJORANA (QUIRIWO). Formation of Cuprite by electrolysis of Copper Sul- phate . . . . . . . , . . . . . . . COHEN (EMIL W.). Meteoric Iron . . . . . . Water from Wells in the Nubian Desert PAGE ii, 413 ii, 414 ii, 414 ii, 414 ii, 415 ii, 415 ii, 415 ii, 415 ii, 415 ii, 415 ii, 416 ii, 416 ii, 417 ii, 417 ii, 457 ii, 458 ii, 458 ii, 458 ii, 458 ii, 501 ii, 501 ii, 502 ii, 502 ii, 502 ii, 503 ii, 503 ii, 503 ii, 504 ii, 504 ii, 504 ii, 505 ii, 505 ii, 505 ii, 506 ii, 506 ii, 507 ii, 507 ii, 507 ii, 507 ii, 508 ii, 508 ii, 508 ii, 508 ii, 509 ii, 509 ii, 509 ii, 509 ii, 510 ii, 559 ii, 560 ii, 560 ii, 660CONTENTS.xxi LIEBRICH (A.). Formation of Bauxite and allied minerals . . . . AUTENRIETH ( WILHELM). Occurrence of Iodine in Malachite . . . CESARO (GIUSEPPE) and H. BUTTGENBACH. BUTUREANU (VASILE C.). PENFIELD (SAMUELEWIS) and H. W. FOOTE. RINNE ( FRIEDRICH). PRATT (JULIUS HOWARD) and H. W. FOO~E. 'Wellsite, a new mineral HOGBOM (ARVID GUSTAF). [Orthoclase, Melanite, and Zircon ircm Alno] EMERSON (BENJAMIN KENDALL). [Babingtonite, Biotite, Almandine m d LOVIRATO (DIOMENICO). Garnet from Sardinia . SMEETH ( WLLIAM FREIIERICK). Perlitic Pitchstone frorn'New'South Wales ' RIVA (CARLO). Quartz-mica-diorite from Val Cauionica . . . . . SAHLBOM (NAIMA). Dyke rocks of Alho . . . . . . . . G ~ M B E L (C.WILHELM VON). Green earth from Monte Baldo . FRESENIUS (CARL KEMIGIUS) and HEINRICH FRESENIUS. Water of the' NUSSBERGER (GUSTAV). Mineral waters of Cariton Graubunden . . . VALENTIN (JEAN). Fluorite from Argentina . . . . . . RAMMELSBERG (CARL FRIEDRICH). Formula of Apatite . . . TURI (GINo). Analpsis of Serpentine . . . . . . . A basic Sulphatc? of Copper Constitution and classification of Sulpharsenites Rceblingite, R new silicate from Franklin Furnace . . . . . . . . . . Chabazite with Crystal water, Crystal-carbon-bisul- RIES (HEINRICH). Monoclinic Pyroxenes of New York State . . HELMHACKER (R.). ' Meerschaum . . . . . phide, &c. . . . . . . . . Gedrite from Massachusetts] . . . . . . . BRUN (A.). The Gabbros of Arolla . . . . . . . . Adler Spring a t Wiesbaden .. . . . . . Plqsiologica E Chemisty 9. HALDANE (JOHN SCOTT) and JAMES LORRAINE SMITH. Oxygen Tension of Arterial Blood . . . . . . . . SCHNYDER (LOUIS). Muscular Power and'Gaseous kkiii~olism . . . VOIT (ERWIN). The lowest Limit of Nitrogenous Metabolism . . . WICKE (A.) and HUGO WEISKE. Influence of Fat on Metabolism . . PERELHARING ( CORNELIS ADRIANUS). Preparation of Pepsin . ROSENTHAL (WERNER). Bromine in the Animal Body after the Administra: THOMPSON (WILLIAM H.). Effects of Injection of' Peptone illto theCjrculation WALLER (AUGUSTUS D.) and Miss 8. C. M. SQWTON. Action of Carbonic PEKELHARING ( CORNELIS ADRIANUS). Nucleo-prokeid in Rluscle . . TAMBACH (R.). Occurrence of Inosite in the Thyroid Gland . . . FRANKEL (SIGMUND). Chemistry of the Thyroid .. . . . HVTCHISON (ROBERT). Chemistry of the Thyroid Gland . . . . MULLER (FRIEDRICH). Chemistry of the Mocin of the Respiratory Tract . LEIDI~ (EMILE). The Nucleins of Pus . . L E I D I ~ (EMILE). The Proteids of Purulent Urine (Pyin'and'Mnck) . . SCHLOSSMANF (A). Proteids of Milk and the Methods for their Separation BENJAMIN (R.). Action of Rennet . . . . . DGRING (FRANZ). Estimation of Sulphnr in Animal Tissues, and in the 'Hair' HALDANE (JOHN SCOTT), It. H. MAKGILL and A. E. MAVHOGORDATO. FRANKEL (SIGMUND). Physiological Action of the Suprarenal Capsules . MOKACZEWSKI ( WACLAW VON). The Significance of Chlorides in Anamia. KROMRR (NICOLAI). Action of Carbon Bisulphide on Hzmoglobin . . SCANZONI (FRIEDRICH VON). Absorption of Dextrose in the small Intes- FARNYTEINEP, ( ERNST).Absorption of Peptone in the small'htestine, and the Effect of Drugs on the Process . , . , . . . . tion of Bromine compounds . . Anhydride on Muscle . . . . . . . . of Animals of different Ages . . . . . . . . . Physiological Action of Nitrites . . . . PAVY (FREDERICK WILLIAM). Phloridzin Diabetes . . . . tine and the Effects of Drugs on the Process . . . PAGE ii, 660 ii, 561 ii, 561 ii, 561 ii, 562 ii, 562 ii, 562 ii, 563 ii, 563 ii, 564 ii, 564 ii, 565 ii, 565 ii, 566 ii, 566 ii, 566 ii, 567 ii, 567 ii, 567 ii, 568 ii, 569 ii, 569 ii, 51 ii, 69 ii, 59 ii, 60 ii, 60 ii, 60 5 , 60 ii, 61 ii, 61 ii, 61 ii, 61 ii, 61 ii, 62 ii, 62 ii, 62 ii, 62 ii, 63 ii, 63 ii, 63 ii, 63 ii, 64 ii, 64 ii, 64 ii, 111 ii, 111xxii CONTENTS. K~BNER (HEINRICH).Changes in Cane-sugar in the Alimentary Canal . HALL (WIKFIELD SCOTT). Iron in the Animal Organism . . . . LINDEMANN (LUDWIG) and RICHARD MAP. Value of Rhamnose in the Normnl and Diabetic Organism . . . . KOLIWH (RUDOLF) and RICHARD BURIBN. The Proteids’ of Leucsmic Urine . . . . . . . . . . . . . DUBOIS (RAPHAEL). Luciferase, or the Light-producing Enzyme of Animals and Plants . . . . . . . . . . . . CAMERER (WILLIAM) and FRIEDRICH SOLDNER. Analyses of Human, Cows’, and Mares’ Milk WINTER (J.). Constancy of the l?reez& Points of Milk Ind othe; TENBAUM (ERNEST). Excretion of Calcium in Diabetes . NEESEN (FRIEDRICH). Mercury Air Pump for the Estimation of the Gases i f the Blood . . . . . . . . . . . . . . WINTERNITZ (HUGO). The Blood of New-born’ Animals .. . . HANBIOT (MAURICE). A New Enzyme in the Blood . . . . . MOORE (B.) and D. P. ROCKWOOD. Absorption of Fats . . . . AMTROR (CARL) and JULIUS ZINK. Chemistry of Animal Fa& , . . SCHENCK (FRI~DRICH). Muscular Work and Glycogen . . . . . HAMMARSTEN (OLOF). BONDY~SKI (STANTSLAS) and V. HUMNICKI. Fate of Cholesterol in the Animal Organism KLEINE (FRIEDRICH KARL). Behaviour ’of Formanilide in the Animai STOCKMAN (RALPH) and i. D: W. GREIG. Ingestion and Excretion of Iron TERRAY (PAUL voN). GEBHARDT (FRANZ VON). Influence on Metabolism of dividing the Nutri- COHNSTEIN (WILHELM) and HUGO ~ICHAELIS. Changes of the Fat of ROSEMAN (RUDOLF). Course of Excretion of Nitrogen in Man . . . JOLLES (ADOLF). . SMITH (J. LORRAIN) and JOHN SCOTT HALDANE. The Causes of Absorp- BARRATT (WAKELIN). Elimination of Water: and Caibodic Anhydride WEISS (J.). Influence of Great Altitude on the Formation of Hamoglobin WEISKE (HUGO). REID (EDWARD WAYMOUTH). A Diffusion Apparatus . . . . . MULLER (MARTIN). Amount of Nucleon in Human Muscle . . . WING (HENRY H.). Influence of Fat in the Food on Milk . . . . WITTMAACK (KARL). Amount of Nucleon in Cow’s, Human, and Goat’s Milk . . . . . . . . . . SIEGFRIED (MAX A.-). Phosphorus in Human and Cow’s Milk WALLER (AUGUSTUS D.). Action of Acids and Alkalis on the Elkctrdtonih Currents ofNerve , . . . . . . . . . . PEMBREY (MARCUS SEYMOUR). Deep and Surface-temperature of the Body after Section of the Spinal Cord VERAGUTT (OTTO). Effect of a meal on the Nitrogen of theurine . . GARROD (ARCHIBALD EDWARD).The yellow colouring matter of Urine . HUPPERT (KARL HUGO). Albuminosuria . . . . . . . GREIG (DAVID M.). Fibrinuria . . . . MORNER (CARL TH.). Multiple Intes’tinal Concretions in Man . . . MORAZEWSKI (WACLAW TON). Chlorides and Phosphates of the Blood in Disease . . . . . . . . . . . . . . Organic Liquids . . . . . . . . KLUG (FERDINAND). Gastric Digestion . . . . . SCHULZ (FR. N.). Fat in the Blood during Hunger . . . . BOGDANDOFF (E.) The Fat of Flesh . . . . . . MEDVEDEFF (AN.). Oxidation in the Tissues . . . . . Influence of Calcium Salts on Fibrin ’ormation Organism . . . . . . . in Health . . . . . . . . inent into several meals . . . . . . . Chyle in the Blood. . . . . . . . . Influence of Atmospheric Oxygen on ‘Metabolik Occurrence and Detection of Nucleohiston in Urine .tion of Oxygen by the Lungs from the Skin . . . . . Influence of Inanition on the Bones and Teeth . . . PAGE ii, 111 ii, 111 ii, 112 ii, 112 ii, 112 ii, 112 ii, 112 ii, 113 ii, 149 ii, 149 ii, 149 ii, 149 ii, 150 ii, 150 ii, 151 ii, 152 ii, 152 !!, 152 11, I52 ii, 153 ii, 153 ii, 153 ii, 182 ii, 182 ii, 112 ii, 182 ii, 183 ii, 218 ii, 219 ii, 219 ii, 219 ii, 219 ii, 219 ii, 220 ii, 220 ii, 220 ii, 220 ii, 220 ii, 220 ii, 220 ii, 221 ii, 221 ii, 221 ii, 221CONTENTS. xxiii HALDANE (JOHN SCOTT), R. H. MAKGILL, and A. E. MAVROGORDATO MOTT (FRF,DERICK WALKER) and WILLIAM DOBINSON HALLIBURTON. Physiological action of Choline, Neurine, and allied Substances . . PHILLIPS (CHARLES D. F.) and MARCUSEYMOUR PEMBERY. Physiological action of Hydrastine Hydrochloride .. . . . . , . R~GNARD (PAUL) and TH. SCHLIESING, JUN. Argon and Nitrogen in the Blood . . . . . . . . . . . . JOLLES (ADOLF). . BOUROT and FERDINAND JEAN. Digestibility of Cacao Butter and of VOIT (FRITZ). . CHAVEAU (JEAN BAPTISTE AUGUSTE). Source of Muscular Energy . . CHAUVEAU (JEAN BAPTISTE AUGUSTE) and P. LAULANI~~:. Source of MAIRET (ALBERT) and VIRES. Coagulating and Toxic properties of Liver . . . . . . . . . . . . . . MOORE (B.). Active Physiological Substance of the Suprarenal Gland . MOORE (B.) and D. P. ROCKWOOD. The Reaction o i the Intkstine in ReIn- REID (EDWARD WAYMOUTH). Comparison o f the Diffusion inio Serum, and the Abscrption by the Intestine of Peptone and Glucose . . . HENSEN (HANS). Permeability of Membranes for Putrefactive Processes .KAUFMAXN (MAURICE). Chemical Changes within the Organism of a Normal Animal . . . . . . . BODTRER ( EYVIKD). Decomposition of Proteid in 'thc Hum.au Organism . CH~UVEAU (JEAN BAPTISTE AUGUSTE). Transformation of Fat iuto Car- bohydrate in the Organism . . . . . BURIAN (RICHARD) and HEINRICH SCHUR. Forrnntion of Nnclck in Mammals . . . . . . . . . . . . SCHULZ ( FR. N.). Fat Estimation . . , . . . . . . SALKOWSKI ( ERNST LEOPOLD) and KATSUSABUR~ YAMAGIWA. " Oxidation- Bosv and DELEZENNE. Non-putrescibility of' Blood rendered Uncoagul- NEWBIGGIN (hf. I.). Pigments of Decapod Crustacea . ZALESKI (J.). Non-occurrence of Argon in the Colouriiig k & r of the NENCKI (MARCELLUS). Biological Relation of Chlorophyll and HLmo: globin . . . . . . . . . MARTELLI (DOMENICO).Composition and Nutritive Vniue df Tunny Preserved i n Oil . . . . . . . . . . . HOFMEISTEE (FRANZ). Formation of Urea by Oxidation . . . . TSUBOI (JIRo). Excretion of Nitrogen by the Intestine . . . . LUDWIG (ERNST). The Fat of Ovarian Dermoid Cysts . . . . . ZEYNPK (RICHARD TON). The Fat of Ovarian Dermoid Cysts . . . DENIG~S (GEORGES). A remarkable case of Alcaptonuria : Estimation of Alcapton (Homogentisic acid) . . . . . . . . . OVERTON (ERNST). Osmotic Properties of Cells in their bearing: on Toxi- ZUNTZ (LEO). Hammerschlag's Method of Estimating the Specific Gravity of Blood and Seruni . . . . . . . . . . SPIRO (KARL) and ALEXANDER ELLINGER. The Antagonism of Substances in the Blood which Accelerate and Hinder Coagulation . . * . WINTER (J.).Freezing Point of Milk . . . . . . . . HANRIOT (MAURICE). Non-identity of Lipases of Different Origin . . PFLUGER (EDUARD). Estimation of Sugar . . , . . . . BRODIE (T. GREGOR). Diphtheria Antitoxin . . . . . . . Physiological action of Kitrites . . . , . . . . MORNER (CARL TH.). Fermented Fish . . . . HANRIOT (MAURICE) and L. CAMUS. Estimation of Lipase . . . [Amount of Iron excreted in healthy Human Urine] Effect of Fresh Thyroid anh Iodothyrin on Bletabolism Butter from Cow's Milk , . . Muscular Energy . . . . . . . . . . . CRAMER (C. D.). Thrombosin . . . . . . . tionship to Intestinal Digestion . . . . . . . ferments " of the Tissues . . . . . . able by Leech Extract . . . . . . . . Blood . . . . cology and Pharmacy . . . . . . . . . PAGE ii, 221 ii, 222 ii, 222 ii, 222 ii, 273 ii, 273 ii, 274 ii, 330 ii, 330 ii, 330 ii, 330 ii, 330 ii, 331 ii, 331 ii, 331 ii, 331 ii, 332 ii, 332 ii, 332 ii, 333 ii, 333 ii, 333 ii, 333 ii, 334 ii, 334 ii, 334 ii, 335 ii, 335 ii, 335 ii, 336 ii, 236 ii, 337 ii, 337 ii, 337 ii, 377 ii, 378 ii, 378 ii, 378 ii, 378 ii, 379xxiv CONTENTS.MOSSE (MAX). Ethereal Hydrogen Sulphates in the Urine and the Influence of Drugs . . . . . . . . . . . . . . VERNON (HORACE MIDDLETON). Relation of the Respiratory Exchange to KASSNER (GEORG). Increased Absorption of Oxygen by. the Blood and the KOEPPE (HANS). Osmotic Pressure as the cause of exchange between Red FAWCETT (JOHN) and W. HALE WHITE. Influence of &Tetrahydro- MARFORI (PIo). Change which some acids of the Oxalic series undergo in the Organism .. . . . . . . . STRAUSS (HERMANN). Occurrence of Hydrogen Sulphide a n i Indole in the Humanstomach . . . . . . . . . . . VINCENT (SWALE). Action of Suprarenal Capsules . . . . DORNIC (P.). Effect ot Work on the Qnality and Composition of Cows’Milk BARDACH (BRUNO). The reason why Milk coagulates when heated . . STORCH (KARL). The Proteids of Cows’ Milk . . . . . . . EBSTEIN (WILHELM) and ARTHUR NICOLAIER. Action of Oxalic acid RIAZANTSEFF (N. V.). The work of Digestion and the excretion of Nitrogen RIONKA (HEINRICH). Poisonous action of Sulphurous acid and its salts and the admissibility of their use in Foods . . . . . . E’IQUET (EDMOND). Action of Albumoses and Peptones in Intravascular Injections . . . . . . . . . . . . . . VOIT (FRITZ). Behaviour of some varieties of Sugar in the Animal Organism .. . . . RICHMOND (HENRY DROOP). Coinposition’of Milk ‘and Milk Proiucts : LANDOLPH ( FRLDI~RIC). Analysis of Urine : Thermo-optically Positive and Negative Diabetic Sugar . . . . . . . . . . PFEIFFEK (F. W. THEODOR C.) and WILHELM EBER. Formation of Hip- GIACOSA ( PIERO). Amount of HEmoglobin in the Blood a t high altitudes .’ GAULE (JUSTUS). Absorption of Iron and synthesis of Hemoglobin . . HENRIQUES (VALDEMAR). Reducing substances in the Blood . . . NUTTALL (GEORGE H. F.) and HANS THIERFELDER. Animal life, without Bacteria in the Alimentary Canal . . . . . . . . . DUNLOP (JAMES CRAUFORD), DIAHMID N OEL-PATON, RALPH STOCKMAN, and IVISON MACADAM. Influence of muscular exercise, sweating, and massage on Metabolism . .. . . . . . . . . GEELMUYDEN (H. CHR.). Acetone ns R Metabolic product . . . . NOEL-PATON (DIARMID). Hepatic Glycogenesis . . . . . . MORACZEWSEI (WACLAW VON). DURING (FRANZ). The mineral matters in birds’ bones . . . . . MORNER (CARL TH.) The Sulphuric acid in Bone Ash . . . . . MACALLUM (A. B.). Distinction between Organic and Inorganic com- OSWALD (AD.). The amount of Jodine in the Thyrdid giand. . . . GLEY (EuG~NE). Presence of Iodine in the Parathyroid glandules . . MARSHALL (C. R.) and H. LL. HEATH. Physiological action of Chlor- THESEN (JORGEN EITZEN). Rehaviour of Phenylglycine and Phenylgly- cineorthocarboxylic acid in the animal body . . . . . . . VINCENT (SWALE). Physiological effects of extracts of Suprarenal capsules MARSHALL (C. R.). Antagonistic Action of Digitalis and Nitrites .STOKLASA (JULIUS). Phosphorus in Human and Cow’s Milk , Temperature in Cold-blooded Animals . . . . Therapeutic Use of Oxygen . . . . . . . . . Blood Corpuscles and Salt Solutions . . . . . naphthylamine on the Body Temperature . VOGET, (G. ). Physiological Action of certain Etherial salts . . . . . . and its derivatives on the Kidneys . . . . . . HIRSCHFELD (FELIX). Acetonuria . . . . . . . . EICHLOFF (ROBERT). Colostrum Fat . . . . . . . . puric acid in the Animal Orgmism , . . . . The mineral constituents of human organs pounds of Iron . . . . . . . . . . . HOWALD (W.). Iodine in the Hkrs . . . . . MATHEWS (ALBERT). Chemistry of Spermatozoa . . . . . hydrins . . . . . - . . . . . . . PAGE ii, 379 ii, 418 ii, 418 ii, 418 ii, 419 ii, 419 ii, 419 ii, 419 ii, 420 ii, 420 ii, 420 ii, 420 ii, 422 ii, 422 ii, 422 ii, 422 ii, 510 ii, 511 ii, 511 ii, 511 ii, 512 ii, 512 ii, 569 ii, 570 ii, 570 ii, 570 ii, 570 ii, 571 ii, 571 ii, 5 f l ii, 571 ii, 571 ii, 572 ii, 572 ii, 572 ii, 572 ii, 572 ii, 573 ii, 573 ii, 573 ii, 573 ii, 573CONTENTS.xxv SCHLOSSMANN (ARTHUR). Asses Milk . PRAVSNITZ (WILHELM). MOELLER (JOSEPH). Vegetable Matter in Huiiian Fices : KERMAUNER (FRITZ). Flesh in Human Faxes PRAUSNITZ ( WILHELM;. HAMMERL (HANS). * Bacteria of Human Faxes. FLINT (AUSTIN). Stercorin . CAMERER (WILLIAM). JEROME (WILLIAM J. SMITH.). RITTER (A. ) (Carlsbad). JAFFB (MAX). CAPALDI (ACHILLE). Kynurenic acid . SOLOMIN (P.). Kynurenic acid . HUPPERT (KARL HUGO). Alcaptonic acids .’ CASPARI (W.). Chronic Oxalic acid Poisoning ZUNTZ (NATHAN). Feeding Experiments with Turnip Leaves : JONG (J. H. DE). Clinical Significance of Lactic acid . Behaviour of Anirnai and qegetabie Foods in the Alimentary Canal . Chemical Coinposition of thk Faxes with different Diets The Nitrogenous Constituents of the‘Urine Uric acid formation in Man Urinary sediments and Gout Constituents of Urine precipitated by Phenylhydrakne PAGE ii, 574 ii, 574 ii, 574 ii, 574 ii, 574 ii, 574 ii, 575 ii, 575 ii, 575 ii, 575 ii, 575 ii, 576 ii, 576 ii, 576 ii, 576 ii, 576 ii, 577 Chernistyy of Vegetable Physio~ogy and Agvicultwe. NOBBE ( FRIEDRICH) and LORENZ HILTNER. Suitability of Nodule Bacteria of different origin for various kinds of Leguminosa . . . . BOURQUELOT (EMILP, ELII~). Action of the Oxidising Ferment of Mushrooms on various Oxidisable Compounds .. . . . . . . BOURQURLOT (EMILE ELII?). Action of the Oxidising Ferment of Mushrooms on Insoluble Phenols , . . . . . . . . . . WAIT (CHARLES E.). Occurrence of Titanium [in Plants] . . . . KROMER (NICOLAI). RITTHAUSEN (CARL HEINRICH LEOPOLD). Calculation of Proteids in Seed; from the amount of Nitrogen . . . . . . DEHI~RAIN (PIERRE PAUL) and E. DEMOUSSY. Oxidation of Organic Matte; in Soil . . . . . . . . . RITTHAUSEN (CARL HENRICH LEOPOLD) rind BAUMAXN. Fat by Moulds . . . . . . . . . . . B~CHAMP (ANTOINE). Changes which take &ce ‘in Milk, either Spon: taneously or during Culinary Processes . . . . . . EMMERLING (OSKAR). Putrefaction of Albumin . . . . EMMERLINO (OSKAR). A new Bacillus which forms Butpric Acid ‘from Glycerol .. . . . . . . . EMMERLING (OSKAR). The Cause of Poisoning by Curtains containing Arsenic . . . . . . . BURRI (R.) and ALBERT STUTZER. Denitrifying Bacteria and the Loss of Nitrogen caused by them . . . . . . . . . . BEHRENS (JOHANNES). Origin of Triinethylainine and the Spontaneous Development of Heat in Hops . . . . TAPPEINER (ANTON JOSEF ~ R A N Z HERMANN). Action of Phenylquinolinr~ and Phosphines on Lower Organisms . . . . . . . . MANGIN (LOUIS). Vegetation in Respired Air . . . . . KOSUT~NY (TAM&). Production of Vegetable Proteids . . . . MULLER (HERMANN). Effect of Nitrogen on Root Formation . . . STOKLASA (JULIUS). The Physiological Significance of Lecithin in Plants HERTRAND (GABRIEL). Coexistence of Lecasse and Tyrosinase in Certain LIPPMANN (EDMUND 0.VON). Nitrogenous Constituents of Beei Juice : MAYER (ADOLF). The Maximum of Plant Production . . . . . GAY (PAUL). Nutritive Value of Horse-Chestnuts . , , , . . FRANKFURT (S.). Composition of Wheat Gernis . . Constituents of the Seeds of Pharditis Nil k Destruction of , PESCH (F. J. VAN). Maize-germ Cake . . Fungi . . . . . . . . ii, 64 ii, 66 ii, 66 ii, 67 ii, 67 ii, 68 ii, 68 ii, 68 ii, 69 ii, 70 ii, 113 ii, 113 ii, 113 ii, 114 ii, 114 ii, 115 ii, 115 ii, 115 ii 115 ii, 116 ii, 116 ii, 117 ii, 118 ii, 118 ii, 119xxvi CONTENTS. STELLWAAG (Auousr). Molasses as Food for Cattle . . . . HILGARD (EUGENE WOLDEMAR). Recent Progress in Soil Examination . SMORAWSRI (ST.) and H. JACOBSON. Behaviour of Superphosphate and Basic Slag in Soil .. . PAGNOUL (AIMJ~). Assimilability of Nitric and Ammoniacal Nitrogen by Plants . . , . . . . JOFFRE (JULES). Agricultural Value bf Deteribrated Phosphatic Manures. BUCHNER (EDUARD). Alcoholic Fermentation without Yeaat Cells . . TANRET (CHARLES). Effect of Ammonium Nitrate on Aspergillus niger . PAUL (THEODOR) and BERNHARD KRONE. Behaviour of Bacteria towards ESCOMBE (F.). Chemistry of'the Memiranks of'lichens and Fung.'i . . SCHULZE (ERNST). Crystalline Nitrogenous Compounds in Seedlings . . SCHULZE (ERNST). Nitrogenous Compounds derived from the Proteid Substances of certain Conifers . . . . EINECRE (ALRER'I'). Analyses of the Juice of Different Varieties of Goose: berries, Currail ts, and Strawberries . . . . . . . . B~CHAMP (ANTOINE.) The changes which take place in Milk either span- HEYERINCK ( MARTINUS WILIIELM). Detection and Distribution of Glucasc, the Enzyme of Maltose , . . . . . . . . . . MORRIS (GEORGE HARRIS). Enzyme-action . . . . . . . GERMANN (H.). Fruit of Myroxobon Pcrcirce and of white Peru Balsam . PLUGGP; (PIETER CORNELIUS) niid A. RAUWERDA. Occurrence of Cytisiiie FERNEACH ( AuG.). KELLGREN (A. G.) and LARS FREDRIK NILSON. Swedish Foddei. Plants 1 WERENSKIOLD (FR.). Analyses of Norwegian Hay . . . . . . WOLL (FRITZ WILHELM AUGVST). Examination of Linseed Meal . . EMMERLING (OSKAR). Butylic Alcohol Fermentation . B~CHAMP (ANTOINE). The changes which lake place in Milk, either spon: EMMERLING (OSKAR). Fermentation produced by Moulds . BOURQUELOT ( EMILE ELIB) and H. H~RISSEY.Hydrolysis of Meleiitose BOURQUELOT (EMILE ELI^). Act'ion of the Oxidising Ferments of Mush: rooms on Phenols and Phenolic Ethers . . . . . . . PFEFFER (WILHELM). Selection of Orgrrnic Nutritive Substances . . MOLISCH (HANS). Crystallisation of Xanthophyll (Carotin) and Proof of its TSCHIRCH (WILHELM OSWALD ALEXANDER). ColouriDg matters contained in Leaves, and the Relationship of Chlorophyll to the colouring niatter of Blood . . . . . . . . . HILGARD (EUGEN WOLDEMAR). The Supply of Soii Nitrogen . . . HILGARD (EUGEN WOLDENAR) and ROBERT HILLS LOUGHRIDGE. Distri- bution of the Salts in Alkali Soils . . . . . . . . . HILGARD (EUGEN WOLDEMAR) and ROBERT HILLS LOUGHRIDGE. Growing BALLAND. Diminution of the Nitrogenous matter in Wheat in the DQpnrte- HENRY (WILLIAM ARNON).Value of Creamery Separator Skim' Milk for' G~RARD (ERNEST). Vegetable Lipase in Penicillitbm g?aucom . CAZENEUVE (PAUL), Soluble Oxidising Ferment and the " Breaking " of Wines . . . . . . . . . . . . . TSUKAMOTO (MICHITO). Formation of Mannnn in Aworphophallus konjak HANAI (T.). Physiological Observations on Lecithin . . . NAKAMURA (T.). Relative value of Asparagine as a Nutrient for PhEno: g a m s . . , . . . . , . . . . . . . Chemical Reagents . . . tancously or during Culinary Processes . . . . POLJANEC. Transpiration of the Potato . . . . . . . HERON (JOHN). The Tiinnin of Hops . . . . . . . in different Pspi1ionace:E . . . . . . . . Phosphoric acid in Barley and'Malt taneously or during culinary processes . . . . . . by Soluble Ferments . . . . . .. presence in Leaves . * . . . . . . 1 . . Sugar Beets on Alkali Soils . . . . . . . . . ment du Nord . . . . . . . . Pig Feeding . . - . . . . . . . . . PAGE ii, 119 ii, 119 ii, 120 ii, 120 ii, 121 ii, 154 ii, 154 ii, 155 ii, 155 ii, 156 ii, 156 ii, 158 ii, 183 ii, 183 ii, 184 ii, 185 ii, 185 ii, 185 ii, 186 ii, 186 ii, 187 ii, 187 ii, 188 ii, 222 ii, 223 ii, 223 ii, 223 ii, 223 ii, 224 ii, 224 ii, 225 ii, 226 ii, 226 ii, 227 ii, 227 ii, 228 ii, 274 ii, 274 ii, 275 ii, 275 ii, 275CONTENTS. xxvii PAGE NAKAMURA (T.), Relative Value of Asparagine as a Nutrient for Fungi . ii, 276 ISHIZURA (T.). Physiological Behaviour of Maleic and Fumaric acids . ii, 276 SUZUKI (U.). MIYACHI (T.). Can Old Leaves produce Asparagine by Starvation '1 . . ii, 277 SCHAER (EDUARD).New Kino from k y r k t i e a . . . . . . ii, 278 PAUL (BENJAMIN HORATIO) and ALFRED JOHN COWNLEY. LEVAT (L. A.). Action of Red Wines on Zinc . . . . ii, 279 HORNBERGER (R.). Cause of Increased Growth of Trees when thinne'd . ii, 280 BERTRAND (GABRIEL). The Coloration of the Sap of Beetroot, and the Soluble Oxidising Elements . . . . . . . . ii, 338 TANRET (CHARLES). Action of Ammonium Niirate on Aspergillus nigcr . ii, 338 LOPRIORE (G.). Action of Carbonic Anhydride on the Protoplasm of Living Plant-cells . . . . . . . . . . . . ii,338 ESCRLE. Amnnnt of Iodine in certain Alge . . . . . ii, 339 GROOM (P.). Relation between Lime and the Carbohydrates in Plants . ii, 339 ROSENSTIEHL (AUGUSTE). Sterilisation of the Musts of Fruits . . . . . . . . ii, 339 LEHMANN (PRANZ).Nutritive Value of Beetroot Leaves . . . . ii, 340 DECOUX (LOUIS) and LOUIS DRUMEL. ii, 341 REMY (THEODOR). Barley . . . . . . . . . ii, 341 VOGEL (J. HANS). The R8le'of Fat in Manures . . . . . ii, 341 TACKE (BRUNO). Action of Potash Salts on Peaty Soil . . , ii, 342 BOKORNY (THEODOR). Carbon Compounds as Food Material'for Bacteria . ii, 379 BUCHNER (EDUARD). Alcoholic Fermentation without Yeast Cells . . ii, 380 GOSIO (B,). Cause of Poisoning by Wall Papers containing Arsenic . . ii, 381 EMMERLING (OSKAR). Cause of Poisoning by Wall Papers containing Arsenic . . . . . . . . . . . . . . ii, 381 DEHI~RAIN (PIERRE PAUL). Reduction of Nitrates . ii, 381 REINITZER (FRIEDRICH). The Enzyme of Barley which Dissoives Cell 'Walls ii, 382 Formation of Asparagine in Plants under different con- ditions .. . . . . . . . . . . . ii, 277 INCE (WALTER H.). Tabasheer . . . . . . ii, 278 Columbian Ipecacnanha . . . . . . . . . . ii, 278 Brazilian and MAENO (N.). Physiological Action of Am'idosulphonic acid . . . ii, 279 Solubility of the Colouring Matter of Grapes : BEHRENS (JOHANNES). Preservation and Composition of Hops . . . ii, 340 Ordinary and Dried Superphosphate ESect of Potash Manuring on the Quzlity of Brewing MAERCKER (MAX). Action of Potassium Salts on Sandy Soil . . . ii, 341 KUTSCHER (FR.). Phosphorescence of Wood . . . . . . . ii, 381 GIRARD (AIM@. Composition and Analysis of Wheat . . . . . ii, 382 MALPRAUX (L.). Manure Value of Oil Cakes . . . . . . ii, 383 PARIS (JULES). Rat Guano from Eboli, Salcrno . . . . .. ii, 383 RAU (A.). Fermentability of Galactose . . . . . . . ii, 423 WEHMER (CARL). ii, 423 COATES (CHARLES E.) and W. R. DOTHON. HEINRICH (B.). centration of the Nutritive Solutions . . . . . . ii, 424 GIRARD (AIM&). Composition and Analysis of Wheats . ii, 425 HI~BERT (ALEYANDRE) and G. TRUFFAUT. Cyclamen . . . . . . . . . . . . . . ii, 426 Effect of Temperature on the Production of Free Oxalic acid in cultivations of Aspergillus niger . . . . . . Nitrogen assiniilstion in the Relation between the Transpiration of Plants and the con- GIGLIOLI (J.). Latent Vitality of Seeds . . . . . . . . ii, 423 Cotton Plant . . . . . . . . . ii, 424 VAUDIN (L.). Migration of Calcium Phosphate in Plants . . . . ii, 425 Physiological 'Study of the HEINRICH. Lime and Lupins .. . . . . . . . ii, 426 PAYNE (GEORGE F.). Mineral Constituents of the Water Melon . . . ii, 427 FLEISCHER (HERMANN ANTON MORITZ). Effect of Manures on the [Botanical] Composition of Crops . . . ii, 427 AEBY (JULIUS H.), R. DORSCTI, FR. MATZ, and' PA& WAGN'ER. Relative Manurial Value of, and the Preservation of Nitrogen in Stable Manuie ii, 428 PFEIFFEK (F. W. THEODOR C.), E. FRANCKE, C. GOTZE and H. THURNANN Decompositions during the Putrefaction of Nitrogenous Organic matter ii, 428 G~RARD (ERNST) and P. DAREXY. Fatty Matter of Beer Yeast . . . ii, 459xxviii CONTENTS. PAGE LINDNER (PAUL). Formation of “Fruit Ethers’’ by Yeasts in Green MAZ~. Fixation of Free Nitrogen by the Bacillus of Leguminous Nodules GERBER (C ). PY (G.). STONE (WINTHROP E.). The Carbohydrates of Wheat, Mati’ze, Flour’ and STONE (WINTHROP E.).Action of Enzymic ferments on Starches of dif- WEISBEKG (J.). Origin of Silica in Incrustations and Deposits of’the Beet- Solubility of Calcium Silicate in Saccharine sobs of Cameroon, Senegambia The function of Humic substances in the Fertility Malt and in Worts . . . . . . . . . ii, 459 ii, 459 . ii, 460 ii, 461 Bread. . . . . . . . . . . ii, 461 Function of Tannin in Plants and especially in Fruits . Analysis and Composition of Stick Liquorice . ferent origin . . . . . . . . ii, 461 root Sugar manufacture. Solutions . . . . . . . . . . . . . . ii, 462 and German East Africa. Improved methods of Soil Analysis . . ii, 463 BOGGILD (B.). Analyses of Spurrey . . . . . . . ii, 462 wOH L m A m (FERDINAND) and H.KRATZ. GAUTIER (ARMAND). SCBLOESING (TH., Jun.). Fermentation in SolLd Ma’teriks . . . . ii, 513 of Soils . . . . . . . . . . . ii, 463 PFEFFER (W.). Formation of Diastase . . . . . . . . ii, 513 BERTKAND (GABRIEL). Oxydising action of Mmganese Salts : Coiistitution BOULANGER-DAUSSE (EM.). Action of Guaiacol on the germination of the spores of Aspergillus . . . . . . . . . ii, 514 BALLAND. Composition of Haricots, Lentils, and Peas . . . . . ii, 514 COUDON (H.) and L. BUSSARD. Composit.ion of Potatoes . . . . ii, 514 FLEISCHER (H. A. MORITZ). Effect of manuring peaty meadows on the amount of Water, Potash, and Phosphoric acid in the Crops . . . ii, 515 NAKAMURA (T.). Rehaviour of Yeast a t a high temperature . . ii, 577 LOEW (OSCAR). Behaviour of Yeast a t a high temperature .. ii, 578 YABE (K.). Two new kinds of Red Yeast . ii, 578 WENT (F. A.), ii, 578 EMMERLING (OSKAR). Decomposition of Fibrin by Streptococci . . ii, 578 ZOJA (LUIGI). Decomposition of Elastin by AnaProbic Ferments . . ii, 579 EMMRRLING (OSKAR). Fermentation of Fresh Grass . ii, 519 SUZUKI (U.). An important function of Leaves : . ii, E80 STROHMER (FRIEDRICH). Production of Sugars in Beetroot . . ii, 581 JESSEN-HANSEN (H.). different periods . . ii, 581 SUZUKI (U.). Behaviour of Active A1b;min a; Reser’ve Material 1 ii, 582 GODLEWSKI (EMIL). Nitrates . . ii, 583 GUSRIN (GABRIEL). tissue . . ii, 583 CURTIUS (THEODOR) and i. REINKE. the qreen parts of Plants . . ii, 584 B R ~ A L &MILE). Humus. . ii, 584 BEESON (J. L.). Occurrence of Amines‘ on the‘ Juice of the ‘Sugar-cane .ii, 584 TUCHOLKA (W. ), Bisabol-myrrha . . ii, 584 NEGAMI (K.). ii, 585 TAKABAYASHI, S. Poisonous action of Ammonium Salts on Plants . ii, 585 SJOLLEMA (B.). Injury t o ]::.ye by Perchlorate contained in Nitrates . ii, 585 ROZDEJCZER (KARL VON). Nitrogen Nutrition in Legurninma: . . ii, 586 PASSERINI (NAPOLEONE). Amount rff Nitrogen conveyed to different kinds of Soil by Red Clover . ii, 587 PASSERINI (NAPOLEONE). Experiments on the’effect of Magnesia on Wheat ii, 587 DURING (FRANZ). The Pentosans and Crude Fibre of various Foods . ii, 588 I~URRI (R. ) and ALBERT STUTZER. Nitrification in Soil . ii. 588 RONAME (PH.). some Nitrogenous Manures . . ii, 588 of Oxydases . . . . . . . . . . . . ii, 513 Production of Carbon Bisulphide by Schizophyllum iobnturn Chemical and Bacteriological investigation of the The Carbohydrates of Rye, Barley, and Wheat, a t Formation of Proteids in Plants by the reduction of: A compound rich in Manganese *obtained from*woody ?he volatile reducing substance of Production of Ammoika from Vegeiable substances and Physiological action of Disodiuni Sulphite on Phaenogms .Nitrification of the Nitrogenous Matter of Soil ‘and ofCONTENTS. xxix PAGE DEHERAIN (PIERRE PAUL). Fixation and Nitrification of Nitrogen in KOWERSKI (STANISLAUS VON). * Increase of the Nitrogen of the Soil by DAFERT (FRANZ W.) and R. BOLLIGER. Conservation ' of Famiyard DEHI~RAIN ( PIENRE'PAUL): Drainage Waters MARTIN (L~oN). Drainage Waters . Arable soils . White Mustard Manure , Analytical Chemistry.WISLICENUS (WILHELM). Convenient form of Graduated Flask . . NORRIS (JAMES F.) and HENRY FAY. Iodometric Estimation of Selenious and Selenic acids . . . . . . . GOOCH (FRANK AusTINjand A. b. PEIRCE. Separation of Selenium and Tellurium . . . . . . . . . . . . . GOOCH (FRANK AUSTIN) and W. C . MORGAN. Estimation of TelIuriuni by Precipitation as the Iodide . . . . . . . . . . ALLESSANDRI and GUASSINI. Nitrates in Water . . . . FAIRBAKKS (CHARLOTTE), Iodometric Method for the Estimation of Phosphorus in Iron . . . . . . . . . . . PFEIFFER ( FRANZ WILHELM THEODOR CHRISTIAN). Estimation Of Phosphates i n Precipitates . AUCHY (GEORGE). The Precipitation of Phosphomolybdaie in Steel' Anaiysis: BROWNING (PHILIP EMBURY). Interaction of Chromic and Arsenious An- PLANCHON (VICTOR) and VuAFLAm.Detection and Estimation of Borax in Butter . . . . . . . . . . . . LIEBRICH. Estimation of Silicon in Pig Iron . . . . . . . HALDANE (JOHN SCOTT). Detection and Estimation of Carbonic Oxide in Air . . - . . . . . . . . . . KREIDER (D. ALBERT) and J: L. BRECRENRIDGE. Separation and Identi- fication of Potassium and Sodium KUSTER ( FRIEDRICH WILHELM). Volumktric' Est'imation of Aikali Hy: droxides, containing Carbonates, and of Alkali Carbonates. Value of Phenolphthaleyn and Methyl-orange as Indicators . . . . . BROWNING (PHILIP EMBURY) and LOUIS C. JONES. Estimation of Cadmium as Oxide . . . . " ANTONY ( UBALDO) and T. BENELLI. Estimation of Lead in Potable Water; SMITH (EDGAR FRANCIS) and DANIEL L; WALLACE. Electrolytic Estimation of Mercury .. . . TARUGI (N.). New Met'hod bf Separatingthe Phosphates in the Ammonia: Group . . . . . . . . . . . . . . GOOCH (PRANK AUSTIN) and CHARLOTTE FAIRBANKS. Iodometric Estinia- tion of Molybdic acid . . . . . . . . . . YURGOTTI (ATTILIO). Application of the Blue Oxide of Molybdenum in Volumetric Analysis . . . . . . . . . . . DEFACQZ (E.). Reactions of Tungsten . BROWNING (PHILIP EMBURY). Reduction of Vanidic acid 'by Hydriodi; and Hydrobromic acids, and its Titration in Alkaline Solution with Iodine . . . . . . . MUTHMANN (J~ILHELM jand'F. MAWROW. Estimation of Bismuth . . TARUGI (N.). Platinum Amalgam and its Application iu Analysis . . COHN (PAUL) and FRANZ FLEISSNER. Separation of Palladium from Platinum . . . . . . . . . . LINTON (LAURA A.j.Technical Analysis of Asphaltum . . . . KETEL (B. A. VAN). Estimation of Glucose i n Urine . . . . . PAVY (FREDERICK WILLIAM). Estimation of Sugar in Blood . . . THIBAULT (PAUL). Polarimetric Estimation of Milk Sugar in Human Milk ELION (HASTOG). Gravimetric Estimation of Sugars, especially of Maltose, . . . . . . . . . hydrides . . . . . . . . . . . . by means of Fehling's Solution ii, 590 ii, 590 ii, 590 ii, 591 ii, 593 ii, 70 ii, 70 ii, 71 ii, 71 ii, 71 ii, 72 ii, 72 ii, 72 ii, 73 ii, 73 ii, 73 ii, 74 ii, 74 ii, 74 ii, 75 ii, 75 ii, 75 ii, 75 ii, 76 ii, 76 ii, 77 ii, 78 ii, 7 8 ii, 78 ii, 79 ii, 79 ii, 80 ii, 80 ii, 80 ii, 80xxx CONTENTS. DENIG~S (GEORUES). Rapid Process for the Detection of Formaldehyde in Milk . . . . . . . . . . . GLUCKSMANN (‘CARL).Estimation of Hydrocyanic acid in Officinal Waters GILDEMEISTER (EDUARD) and KARL STEPHAN. Palmarosa Oil . . . GASSMANN (CHARLES). Estimation of the Constituents of a Mixture of . , PLATT (CHARLES). Qualitative Examination of Acetanilide . . . GOMBERCJ (MOSES). Estimation of Caffeine . . . . . . . GEORGES. Estimation of Caffeine . . . . . . . . . LEDDEN HULSEBOSCH (MARIUS L. Q. VAN). Estimation of Caffeine in Tea KRAMERS (I. G,). Estimation of Quinine Salts by means of Sodium Nitro: KELLER (C. C.). Estimation of the Alkaloids i’n iVz& vomiea . . . SCHLOSSMANN (A.). separation of the Proteids of Milk . . . . . GEORGES. Estimation of Albumin in Urine . . . . . . . RIEGLER (E.). New Process for Estimating Albumin in Urine . . . DITTRICH (MAX). Methods of Rock Analysis .. BENNETT (A. A.) and L. A. PLACEWAY. Estimation of the Three Halogens Chlorine, Bromine, and Iodine, in Mixtures of their Binary Compounds. BLAU (FRITZ). Action of Bromine on Metallic Chlorides, and a Method for the Estimation of both Halogens in the presence of one another . SKRAUP (ZDENKO HANNS). Jacobsen and Rrunn’s Method for the Purifi: cation of Hydrogen Sulphide containing Arsenic . . . . . POPE (FREDERICK J.). Estimation of Sulphides in Calcium Carkde . STANSBIE (J. H.). Estimation of Sulphur in Ores . . . . . . KONINCK ( LUCIEN ’LOUIS DE). Estimation of Sulphur in Ores . . . EDMUNDS (JAMES). Estimation of Sulphuric Acid or of Barium . . . PAGNOUL (AIMI~). [Estimation of Nitric and Ammoniacal Nitrogen in FRITSCH (PAUL). *Wet’ Method ’ for Estimating Carbon and Nitrogen ii DIBDIN (WILLIAM JOSEPH) and ROBERT GRIMWOOD.Analysis of Mdrtars LUCAS (MAURICE). Calorimetric Estimation of Lead . . . . . POPE (FREDERICK J.). Volumetric Estimation of Lead . . . GLADDING (THOMAS S.). Estimation of Iron and Aluminkmi Oxides in JOLLES (ADOLF). Estimation of the Iron in Blood for Clinical Purposes 1 FRIEDIIEIM (CARL). Volumetric Estimationof Xolybdenumandof Vanadium STILLMANR (THOMAS B. ). Solubility of Bismuth Sulphide in Sodium Sulphide : Estimation of Small Amounts of Bismuth in Anti-friction HABER (FRITzj and H. ’OECHELHAUSER. Estimation of Ethylene in the CLOWES (FRANK). Limiting the Explosive Proportions of Acetylene and Detecting and Measuring the Gas in the Air . . . . KISBLING (RICHARD). Estimation of Sulphur in the Gases produced by the Combustion of Petroleum .. . . . . . . . BOTTCHER (0.). Estimation of Ammoniacal Nitrogen in Artificial Manures OETTELL (FELIX). A New Method of Estimating Phosphorus in Phosphor- MEINEKE (C. ). Criticai Examination of Methods’ for ‘the ‘Estimatibn o’f CAMPREDON (LOUIS). GERLACH (MAX) and Max PASSON. Estimation of Readily Soluble Phos: BERTHELOT (MARCELLIN) and GUSTAVE A ~ T D R ~ . Phosphoric Acid : Esti- mation of Pyrophosphoric acid . . . . . . . . . SZARVASY (EMERIGH). Volumetric Estimation of Arsenic , . HONIG (MAX) and GUSTAVE SPITZ. Primary, Secondary and Tertiary Amines of the same Radicle KUBLI (MELCHIOR). Testing Quinine . . . . . prusside . . . . . . LUNGE (GEORG). Estimation of Sulphur in Pyrites . . . . Plants] . . .. . Organic Compounds . . . . . . . . . Phosphate Rock . . . . . Alloys . . . . . . . Presence of Benzene Vapour . . . . . . . . . bronze . . . . Phosphoric Acid . . . . . . phoric Acid in Basic Slags . . . . . . Estimation of Phosphorus in Cod* Ash Volumetric Estimation of Boric Acid PAGE ii, 81 ii, 81 ii, 81 ii, 81 ii, 82 ii, 83 ii, 83 ii, 83 ii, 83 ii, 83 ii, 84 ii, 84 ii, 84 ii, 84 ii, 121 ii, 122 ii, 122 ii, 123 ii, 123 ii, 123 ii, 123 ii,’ 123 ii, 123 ii, 124 ii, 124 ii, 125 ii, 125 ii, 125 ii, 125 ii, 126 ii, 127 ii, 127 ii, 128 ii, 128 ii, 157 ii, 157 ii, 157 ii, 157 ii, 158 ii, 158 ii, 158 ii, 159 ii, 159CONTENTS. xxxi WALTKE (WM.). Estimation of Sodium Carbonate, Silicate, and Borate in LOSCHE (PAUL). Pew Method of Estimating Pbtassium . . . . HAEFCICE (H.).New Method of Estimating Potassium . ATTERBERG (ALBERT). RUER (RUDOLF). Estimation of Potassium a t the Stassfurt Works . . BAUER (EMIL). Estimation of Potassium at the Stassfurt Works . . . TIETJENS and APEL. Estimation of Potassium a t the Works at Leopoldshall S tassfurt . . . . . . . . . . . . . PRECHT ( HEINRICH). Estimation of Potassium as Potassium Platinochloride HOLLARD (A.). Analysis of Commercial Copper by Electrolysis . DENIG~S (GEORGES). Nessler's Reaction as a Test for Mercury or Iodides SCHUYTEN (M. C.). Estimation of Mercury Salts by means of Sodium Dioxide . . . . . . . . HINTZ (ERNST) and HEKMANN WEBER. Estimation of Thorium in Thorite BURGASS (ROBERT). Use of Nitroso-&naphthol in Inorganic Analysis . AMSEL (HUGO). Assay of Chrome-yellow and Chronie-red .. . . DEFACQZ (ED.). Separation of Tungsten and Titanium . . . . . PARRY (ERNEST J.) and JOHN HENRY COSTE. Commercial Prussian Blue. JONES (F. W.) and F. A. WILLCOX. Analysis of Cap Composition . . MERCK (CARL EMANUEL). Molybdic acid a Reagent for Alcohol . . . FREYER (FRANZ). Estimation of Alcohol by means of the Ebullioscope : Influence of Extractive Matters . . . . . . . MAGALHA~S (ANTOINE Josf DA CRUZ). Detection of Caramel in Wine and its possible confusion with Cod-tar Colours . . . . . . BEESOK (J. L.). Simple and convenient Extraction Apparatus for the KONIG (FRANZ JOSEF). Reformation of the Present Methods for the GRUTZNER (BRUNO). Formaldehyde as a Reducing Agent. Estimatibn of COLSON (ALBERT). Polarimetric Estimation of Tartaric acid' .. . FRESENIUS (HEINRICH). Estimation of Fat in Milk . BRULL~ (RAOUL). Method of Establishing the Purity of Butter by de: termining the Specific Gravity . . . . . . . . . . FLECK (HERMANN). Separation of Trimethylamine from Ammonia . . PICHARD (P.). . Colour Reactioiis of Brucine : Detection of Nitrites in XILLER (EDMUND H.) and J. A. MATHEWS. Table of Factors . . . WISLICENUS (WILHELM). Convenient form of Measuring Flask . ANDREWS (W. W.). Some Extensions in the Plaster of Paris method in FOULK (C. W.). Effect of an Excess of Reagent in the Precipitation of HEMPEL ( WALTHER). Elementary Analysis under Pressure in a Closed HOLLARD (A.). Estimation of Arsenic, Antimony, and Foreign Metals i i GLASER (CHARLES). Estimation of Thoria. Analysis of Monazite Sand . .LASNE (HENRI).Estimation of Aluminium in Phosphates . . . . HANDY (JAMES OTIS). Analysis of Aluminium . . . . . . Ross (B. B.). Analytical Methods involving the use of Hydrogen Peroxide MATTHEWS (CHARLES G. ). Reducing Action of Chloroform on Fehling's Solution . . . . . . RICHMOND (HENRY DRO'OP). * Estimation of Alcohoi BORDAS (FRED.) and SIG. DE RACZKOWSKI. New method for the Estim'ation of Glycerol . . . . . . . . . DEFREN (GEORGE). Estimation o f Reducing Sugars in terms of Copper Oxide MORRIS (GEORGE HAXRIS). Estimation of the ready-formed Sugars of Malt Slags . . . . . . . . . . . . . Estimation of Potassium at the Stassfurt 'Works Analysis of Food Stuffs . . . . . . . . . . Analysis of Food Stuffs . . . . . Fonnaldehyde . . . . . . . . ROMIJN (GYSBERT).EsGmat'ion of Foimalhehyde . . . . . presence of Sulphites . . . . . . . . . KUBLI ( MELCHIOR). Testing Quinine' Snlphate . . . I Blowpipe Analysis . . . . . . . . . . Barium Snlphate . . . . . . . . . . Vessel . . . . . . . Commercial Copper by Electrolytic methods . . . . . PAGE ii, 159 ii, 160 ii, 160 ii, 160 ii, 160 ii, 160 ii, 160 ii, 161 ii, 161 ii, 161 ii, 161 ii, 162 ii, 162 ii, 163 ii, 163 ii, 163 ii, 164 ii, 164 ii, 164 ii, 164 ii, 165 ii, 165 ii, 166 ii, 166 ii, 167 ii, 167 ii, 167 ii, 168 ii, 168 ii, 168 ii, 188 ii, 188 ii, 189 ii, 189 ii, 189 ii, 190 ii, 190 ii, 191 ii, 191 ii, 192 ii, 193 ii, 193 ii, 193 ii, 193 ii, 194xxxii CONTENTS. HERON (JOHN). Invert-sugar, I. and 11. . . . . a 1 . KELIIOFER. Composition and Fermentability of Fruit Sugar .. . FARRTNGTON (E. H.). ULZER (FERDINAND) and RUDOLF DEFRIS. Behaviour of the Resin acids of Shellac in Gladding's and Twitchell's processes for separating Fatty and Resin acids . . . . DORMEYER (CARL). Estimation of Fats, Soaps; and Fatty acids in Animal organs . . . . . . . . . WALTKE (WY.). Eitimation. of Cree Fat in Soap WALTKE (Waf.). Estimation of the Percentage of Alkali and Fatty acids in Soap . . . . . . . . . . . . . . KOSSLER (A.) and F. W. THEODOR C. PFEIFFER. Estimation of Fibrin in Blood. . . * . . . . . . . . . LING (ARTHUR R. ). Estimation of the Diastatic Capacity of Malt . . BHADURI ( IYOTIBHUSHAN). Decomposition of Mercurous Chloride and the Estimation of Free Chloriiie . . . . . . . . . . KREIDER (D. ALBERT). Estimation of Oxygen in the Air and in Aqueous Solution .. . . . . . . . . e . . PAGNOUL (AIMI~). Estimation of'0rganic and Ammoniacal Nitrogen . . FRANKE (E.), Estimation of Nitrogen in Guano . . . . . . PAGNOUL (AIMB). Analysis of Sodium Nitrate . . . . . . RIEGLER (E.). SCHMOEGER (MAY). Estimation of Citrate-solubie Phosphoric' Acid by PASSON (MAX). Estimation of Citrate-soluble Phosphoric Acid 'in Basic' Slag by means of Citric Acid . . . . . . . . . ZUNTZ (NATHAN) and JOH. FRENTZEL. Organic Analysis by Analysis of the Gases produced in the Berthelot Calorimetric Bomb . . . . PRAGER (ALBERT). Estimation of Potassium . . . . . . . D U P R ~ ~ (FREDERICK T. B.). Estimation of Potassium . . . . . KLUGE (FRITZ). Estimation of Lime in Raw Materials used in Cement making . . . . . . . . . .. . . . DENNIS (LOUIS MUNROE). Separation of Thorium from the other rare earths by Potassium Nitride . . . . . . . . . . GOOCH (FRANK AUSTIN) and F. S. HAVENS. Separation of Aluminium from Iron . . . . . . GRUEBER, VON. Estimation of Sesqkoxides in Phosphates and Super-. phosphates . . . . . . . . . . . . . BREARLEY (H.). Estimation of Manganese in Spiegels . . . . . BORNTRAEGER (ARTHUR). Colorimetric estimation of Iron by means of Potassium Thiocyanate . . . . . . . . . . . RURUP (L.). Estimation of Tin and Copper in Tin Dross . . . . BROWNING (PHILIP EMBURY) and RICHARD J. GOODMAN. Use of Organic Acids for the estimation of Vanadium . . . . . . . . BARBET and JANDRIER. Estimation of Nitrites in Waters . . . . JELLER (RUDOLF). Apparatus for estimating small quantities of Marsh Gas in the Air of Mines .. . . . . . . . . . . LEYS (A). Estimation of Invert-Sugar . . . . . . . . LITTLETON (FANNIE T. ). Conditions affecting the Volumetric estimation SUXINGAR (H. ) and BERNHARD TOLLENS. Differen't methods of estimating Cellulose . . . . . . . . . . . . . HIRSCHSOHN (EDUARD). Action of Stannous Chloride on Ethereal Oils . 1 LEIEB (Omo). Apparatus for Gas Analysis . . . . .. . . SPAETH (EDUARD). New Glass for collecting sediments . . . . SESTINI (QUIRINO). Estimation of Fluorine in Wines or Waters . . . VITALI ( DIOSCORIDE). Toxicological Examination for Free Ammonia . . CHBISTENSEN (A. C. ). Volumetric Estimation of Phosphoric and Arsenic acids Acidity of Milk increased by Boric acid BEYERINCK ( MARTINUS WILHELM). Detection of Glucase .. Sensitive Test for Nitrous Acid means of Molybdate Solution . . . HEID (J. GEORGE). Valuation of Borax . . . . . . . of Starch by means of a solution of Iodine . . . . PAUL (JOSEF). Estimation of Aldehyde in'Alcoho1 . . . . PAGE ii, 194 ii, 194 ii, 194 ii, 195 ii, 195 ii, 195 ii, 195 ii, 196 ii, 196 ii, 196 ii, 228 ii, 228 ii, 229 ii, 229 ii, 230 ii, 230 ii, 230 ii, 230 ii, 231 ii, 231 ii, 231 ii, 232 ii, 232 ii, 232 ii, 232 ii, 233 ii, 233 ii, 234 ii, 233 ii, 234 ii, 234 ii, 235 ii, 235 ii, 235 ii, 235 ii, 235 ii, 236 ii, 280 ii, 281 ii, 281 ii, 281 ii, 282... CONTENTS. XXXlll PAGE BERTHELOT (MARCELLIN) and GUSTAVE ANDR~. phoric acid . . . . . . . . . . . . . ii, 283 J~RGENSEK (GUNNER). yolumetric Estimation of Boric acid . ii, 283 KRAUT (KARL).of Colemanite and Pandermite [Priceite] . . . . . . ii, 283 KROEKER (K.). ii, 284 MA‘FER (ADOLF). estimating Potassium . . . . . . . ii, 284 LUNGE (GEORG). Carbonates . . . . . . . . . . ii, 285 Estimation of Pyrophos- Estimation of Boric acid by Gooch‘s method and analyses Elementary analysis in the Bertheiot Calorimetric Bomb . Simplification of Schweitzer and Lnngwitz’s method of Estimation of Caus’tic Alkalis in the presence of Alkali JAWOROWSKY (A.), Delicate test for Copper . . . . . . ii, 285 PAUL (BENJAMIN HORATIO) and ALFRED JOHN COWNLEY. Detection Of Copper in Vegetable Substances . . . . . . . . . ii, 285 JOLLES (ADOLF). Estimation of Iron in Urine . . . . ii, 286 BORDAS (FRED.) and SIG. DE RACZKOWSKI. Wines by means of Steam . . . . . . . . . . ii, 286 KULISCH (PAUL).Detection and estimation of Cane-sugar in Wine . . ii, 287 GRUNHUT (LEO). Examination of Wine for Impure Starch Sugar . . ii, 287 FRESENIUS (WILHELM). Sweet Wines . . . . . . . ii, 288 ORCHARD (RONALD). Estimation of Formaldehyde . . . . ii, 288 LEONARD (NORMAN) and HARRY M. SMITH. of Formaldehyde . . . . . . . . . . . ii, 288 FILSINGER (F.). Toxicological detection of Hydrocyanic acid . . . ii, 288 HEHNER (OTTO) and CHARLES AINSWORTH MITCHELL. Stearic acid in Fats . . . * . . . ii, 289 WALTKE (WILLIAM). Estimation of Free Fatty acids in Fats and Oils . ii, 289 GAUTIEB (HENRI). Estimation of Potassium Hydrogen Tartrate in Wines ii, 289 P I ~ E R ~ A ( EUGENIO). Colour Reactions of Organic acids, principally Tartaric, Citric and Malic . . .. . . . . . ii, 289 STAHRE (LuDv.). Identification of Citric acid . . . . . . ii, 290 ii, 290 ii, 290 UMNEY (JOHN C.). Essential Oils of Black and White Peppermint . . ii, 291 CORNETTE. Detection of Rosin Oil in Fatty Oils . . . . . . ii, 291 SESTINI (QUIRINO). Rancidity of Olive Oil . . ii, 291 MOILPURGO (GIULIO). Discrimination between Boiled and Unboiled Linseed Oil . . . . . . . . . ii, 292 MASTBAUM (HUGO). The Iodinehumber o> Oiis . . . . . . ii, 292 VADAM. Micro-crystallographic Detection of Alkaloids . . ii, 292 HUPPERT (KARL H. ). DELACOUR (A.). Estimation of Caffeine in Tea, Coffee, &c. . . . . ii, 293 LOOF (GUSTAV). Estimation of Morphine in Opium . . ii, 293 KONINGH (LEONARDE). Modifications of De Vrij’s Chromate Process . ii, 293 DUNSTAN (WYNDHAM ROWLAND) and FRANCIS HOWARD CARR.Detec- DUNSTAN ( WYNDHAM ROWLAND) and THOMAS TICKLE. Estimation of GUNN (ALEXANDER). Estimation of total Alkaloids in Coca Leaves . . ii, 294 VIOLETTE (CHARLES). Detection of Aniline-blue in Bread . . ii, 295 AGUIAR (ALBERTO D’) and W. DA SILVA. JAWOROWSKY (A.). Reagent for detecting Albumin and Peptones in Urine ii, 295 FILSINGER (F.). Detection of Tussnh in Silk Fabrics . . . . . ii, 296 HANRIOT (MAURICE) and L. CAMUS. Estimation of Lipase . . . . ii, 296 MUTNIANSKI (M.). Barium Thiosulphate as Basis for Iodimetry . . ii, 342 NENCKI (MARCELLUS) and J. ZALESKI. Estimation of Ammonia in Animal Separation of Glycerol ‘from Estimation and Separation Estimation of GARNETT (HENRY). Testing Lemon Oil . . . . . JEDERMANN (ROBERT). Testing the purity of Rose Oil .. . . . KIPPENBERGER (CARL). Estimation of Antipyrine . . . . . . ii, 292 bases in Urine . . . . . . . . . . . . ii, 293 Eruger and Wulff s method of estimating’ xanthine tion of Aconitine . . . . . . . . . ii, 294 Aconitine . . . . . . . . . . . ii, 294 Detection of Coal Tar Colours in Wines and their distinction from Caramel Colours . . . . ii, 295 BALLAND. Estimation of Gluten in Flour . . . . . . . ii, 296 LI~ONARD. Rapid Estimation of Organic Nitrogen . . . . . ii, 343 Secretions and Tissues . . . . . . . . . . ii, 343 3xxxiv CONTENTS. PAGE BRAUNS (REINHARD) Microchemical Reaction for Nitric acid . . . ii, 343 ZAMBELLI (LUIGI). Estimation of very small quantities of Nitrous acid , ii, 343 AUCHY (GEORGE). Estimation of Phosphorus in Steel and Cast Iron .. ii, 343 HERCZFELDER (ARMANDEZSO). Citrate Solubility of Phosphoric acid . ii, 344 PASSON (MAX). Citrate-soluble Phosphoric acid in Basic Slag . ii, 344 SANI (GIOVANNI). Phosphoric acid in Basic Slag . . . . . . . . . ii, 344 HOWE (JAs. LEWIS) and PAUL S. MERTINS. MERMET (ACHILLE ERNEST). Reaction of Carbonic’Oxide . . . . ii, 345 LAFAY (L.). Modified Method for the Qualitative Analysis of a Mixture HERZFELD (ALEXANDER) a n i A. ‘FORSTER. Detection and Estimation of small quantities of Magnesia in Limestones . . . . . ii, 345 GIORGIS (GIOVANNI). Estimation of Lead in Minerals . . . . . ii, 346 MURMANN (ERNST). Quantitative Analysis of Refined Copper . . . ii, 316 WEGSCHEIDER (RUDOLF). Estimation of Copper . . . . . . ii, 347 SODERBAUM (HENRIK GUSTAV). Acetylene as a Qualitative Reagent .. ii, 348 SOSTEGNI (LIVIO). Analysis of Copper Salts . . . ii, 348 PURGOTTI (ATTILIO). Quantitative Analysis with the’ Aid of Hydrazine DENNIS (LOUIS I~~UNROE). Separation of Thorium from the other Rare Earths by Means of Potassium Azoimide . . . . . . . ii, 349 GLASER (C.). Estimation of Thoria, and its behaviour with Oxalic acid and Ammonium Oxalate . . . . . . . . . ii, 349 ULZER (FERDINAND) and JULIUS BRULL. Estimation of Manganese in Cast Iron . . . . . . . . . . . . . . ii:350 GIORGIS (GIOVANNI): Estimation of Manganese and Chromium in Products of the Iron Industry . . . . . . . . . . . ii, 350 WDOWISZEWSKI (HEINRICH). Estimation of Tungsten in Ferro-tungstates ii, 351 BAUBIGNY (HENRI). Estimation of Antimony as Tetroxide .. . . ii, 851 HOLDE (D.). Estimation of Paraffin in the last Fractions of Brown Coal Tar and Crude Petroleuni . . ii, 351 GOSSART @MILE). Detection of ;he Adult‘eration of EsskntiaI Oiis . ii, 351, 352 KURILOFF (BASIL B.). Ethylic Acetate in admixture . . ii, 352 MANCUSO-LIMA (G.) and GIUSEPPE SGARLATA. in Wine, and indirect estimation of Mannitol in Mannitic Wines , . ii, 352 KRUGER (MARTIN) and BERNHARD TOLLENS. Pentosans by means of the Furfuraldehyde Reaction . . . . ii, 363 TARULLI (G.). Electrolytic Determination of Copper in Sugar Analysis . ii, 353 TARULLI (G.) and E. MAMELI-CUBEDDU. Sugars determined by the Electrolytic Process . . . . . . ii, 354 RIEGLER (E.). Estimation of Sugar in Animal Liquids . . . . . ii, 354 JASSOY (AGUSTA).Estimation of Sugar in Urine . . . . ii, 354 FRESENIUS (WILHELM) and LEO GRUNHUT. Estimation of the Caramel on the surface of Coffee Berries roasted with Sugar . . . ii, 355 DENIGBS (GEORGES). Estimation of Alcapton (Homogentisic acid) in Urine ii, 355 DACCOMO (GIROLAMI) and L. SCOCCIANTI. Estimation of Filicic acid in Officinal Preparations of the Male Fern . . . . . . ii, 355 Modification of the Method of Estimating the Soiuble Reinsch’s Test for Arsenic and Antimony. . . . . . . . . . ii, 344 of Bases . . . . . . . . . . ii, 345 Sulphate . . . . . . . . . . . . ii, 349 Volumetric estimation of Ethylic Alcohol and Estiiatioh of Glycerol Estimation of Pentoses and . . . Reducing Powers of Various JAHR (EMIL). Qualitative examination of Butier . . . . . . ii, 355 RAUMER (VON).Detection of Margarine in Cheese . . . . . ii, 356 VIGNA (AGOSTINO). Estimation of Tannin in Wins . . . . . ii, 356 WAUTERS. Detection of “Saccharin” in Beers . . . . . . ii, 356 JOLLES (ADOLF). Urometer for small quantities of Urine . . . . ii, 356 BLEIER (OTTO), Apparatus for Gas Analysis . . . . . . . ii, 384 HABERMANN (JOSEF). Prepwation of Reagents free from Arsenic . . ii, 384 ERDMANN (HUGO). Simple method of Qnantitntive Analysis by nieai:s of the Telephone . . . . . . . . . . . . . ii, 384 BAUBIGNY (HENRI) and PAUL RIVALS. Separation of Clilorine and Bromine . . . . . . . . . . . . . . ii, 385CONTENTS. xxxv RIVIBRE (G.) and G. BAILHACHE. Study of Kjeldahl’s Process and its modifications . . . . . . . . . . . . . RIEGLER (E.). Colorimetric estimation of Nitrous acid .. . . BREARLEY (HARRY) and RUDOLF L. LEFFLER. Estimation of Carbon in Ferrochronie . . P~LIGOT (M. ). Solhbili’ty 0; Poiassium Platiii’ochloride’ in Alcohol . . WARREN (HENRY NEPEAN). Estimation of Potassium . . . . LUNGE (GEORG). Testing Sodium Hydrogen Carbonate . . . . ASTON (EMILY) and L. NEWTON. Estimation of Zinc Oxide . . . LONGI (ANTONIO) and S. CAMILLA. Estimation of Manganese in Man. ganous and Permanganic solutions . . . . . . . . PIREKI?A (EUGENIO). Separation of Nickel from Cobalt and Iron an4 of Cobalt from Aluminium . . . . . . . . . . BREARLEY (HARRY). Separations with Slkali Acetates . . . MORGAN (Jonx JAMES). Estimation of Titanic acid . . . , . P F L ~ ~ E R (EDUARD). Estimation of Sugar . . . . . . , ULZER (FERDINAND) and HEIKRICH SEIDEL.Lactic acid . . HAMBURGER (HARTOG JAKOB). Estimation of added Water in Milk by VAUBEL (WILHELM). Assay of Commercial Xylidines . . . . . RIEGLER (E.). Estimation of Urea in Urine . . . . . . . VADAM. Differentiation of the Alkaloids by means of their microcrystal- PUCKKER (W. A.). Estirnaiion of Caffeine . . . . . . . FOUQUET (L.). Separation of Codeine and Morphine . . . . . GRANDVAL ( ALEXANDRE) and HENRI LAJOUX. Estimation of Morphine in Opium and in Opiates . . . . . . . . . . HESSE (OSWALD). Testing Quinine . . . . . . . . . MARTELLI (DOMENICO). Detection of Ground Olive Stones in Pepper . KASTLE (J. H.) and W. A. BEATTY. Detection of Halogens in Organic compounds . . . . . . . . - . LEVY (ALBERT) and FBLIX MARBOUTIN. Estimation of Oxygen dissolvei in Sea Water .. . . . . . . . PHILLIPS (FRANCIS C.). Estimation 0; Suiphur i n Cast-iron . . . AGLOT. Optical Method for the Estimation of Sulphuric acid . . . FIELDS (JOHN). Modification of the Gunning method for Nitrates . . PILOTY (OSCAR) and ALFRED STOCK. Quantitative separation of Arsenic SUMnlERs (BERTRAND S.). Estimation of Carbon in Pig Iron . . . DENNSTEDT (MAXIMILIANO). Simplification of Organic Elementary MILLER (EDMUND H.). Ferrocyaiiide of Zinc and Manganese . . . CEIAVES Y PI~REZ DEL PULGAR (FEDERICO) and FEDERICO RELIMPIO Y ORTEGA. Microc.hemica1 reaction for Didymium . . . TAGGART (WALTER T. ) and EDGAR FRANCIS SMITH. Separation of hat,-* ganese from Tungstic acid. FIELD (CHARLES) and EDGAR FRANCIS SMITH. Separation of Vanadium’ from Arsenic .. . . . . . . . . . . . MOPER (J. BIRD). Metal separations by means of Gaseous Hydrogen Chloride . . STONE (GEORGE C.). Soiubiiity of Bismuth Suiphide in’Alkali Shphjdes BENKERT (ARTHUR L.) and EDGAR FHANCIS SMITH. Separation of Bismuth from Lead. . . . . . . . . SCHIMMEL AND Co. Quantitative Testing bf E’thereal Oils , HILGER (ALBERT) and K. JANSEN. Chemico-legal Detection of Alkaioids’ and Narcotic substances . . . . . . . . VIUNON ( L ~ o ) . Apparatus for the Industrial Analysis of Gases . . . 3-2 the freezing-point method . . . . . . . . RAUMER (VON). Testing American Lard . . . . . . . line precipitates . . . . . . . . . . HOWARD (DAVID). Etimation of Quinine . . . . . . NIEBEL (W.). Detection of Horseflesh . . . . . . . and Antimony .. . . . . . . . . . Analysis . . . . . . . . . . . . . DENIGBS (GEORGES). Estimation of Mercury . . . . . . Estimation of Molybdenum PAGE ii, 385 ii, 385 ii, 386 ii, 386 ii, 386 ii, 386 ii, 386 ii, 387 ii, 387 ii, 388 ii, 388 ii, 389 ii, 389 ii, 389 ii, 389 ii, 389 ii, 390 ii, 390 ii, 390 ii, 890 ii, 391 ii, 391 ii, 391 ii, 392 ii, 392 ii, 430 ii, 430 ii, 431 ii, 431 ii, 431 ii, 431 ii, 432 ii, 432 ii, 433 ii, 433 ii, 433 ii, 433 ii, 434 ii, 434 ii, 434 ii, 435 ii, 435 ii, 436 ii, 463xxxvi CONTENTS. MUTHMANN ( WILHELM) and E, SCHRODER. Separation of Tellurium from Antimony . . . . . . . . . . . . . . RIEGLER (E. ). Extremely sensitive Reagent for Detection and Colorimetric Estimation of Nitrous acid . . . . . . . . . MURMANN (ERNYT). Combustion Boai with Partitions .. . . . MEUNIER (JEAN). Precipitation of Zinc as Sulphide . . . . . ROSSING (ADELBERT). Employment of Ammonium Carbonate in Water Analysis . . . . . . . . . . . . . . ROMIJN (GYSBERT). Iodometric Estimation of Sugars . . . . . SQUIBB (EDWARD R.). Volumetric Estimation of Acetone . . . . ARGENSON (G,). Estimation of Acetone in Urine . . . . . . DENIGBS ( GEOI~GES). Extension of Legal’s reaction to Compounds contain- R I T T ~ (BI~LA VON). . GIRARD (AIMJ~). Analysis of Wheat . . . . . . . . DONOGANY (ZAKARI~S). Hzmochromogen as a Test for Blood . . PAWLEWSKI (BRONISLAW). The uncertainty of the Guaiacum Reaction for Active Diastase . . . . . . . . . ROSENTHAL ( ISIDOR). Estimation of Carbonic Anhydride in Atmospheric Air, and the dissociation of Sodium Hydrogen Carbonate .. . FISCHER (FERDINAND). Apparatus for Estimating Sulphur in Coal Gas . SCHROEUER VAN DER KOLK (J. L. C.), Microchemical Reaction for Nitric acid . . . . . . . . . . . . . STRAUSS (HERMANN). Estimation o i Hy&ochloric acid in Gastric Juice . WINDISCH (WILHELM). Detection of tra5es of Fluorine in Beer . . SOLOMIN (P.). Detection of Soda or Borax in Milk . DEKIGBS (GEOXGES). Rapid Method for the Estimation of ‘Boric acid in M i l k . . . . . . . . . . . . . . . BEILSTEIN (FEODOR F.) and 0. VON BLAESE. Estimation of Sodium in pre- sence of Potassium . . . . . . . LASNE (HENRI). Estimation of Alumina ih Phosphates . . . . GRUEBER (VON). Estimation of Alumina in Phosphates . . . . CUSHMAN (ALEXANDERAMSAY). New and rapid method for the quali- tatives eparation of Iron, Aluminium, Chromium, Manganese, Zinc, SCHNEIDER (LEOPOLD).Estimation of Carbon in Iron . . . . . SCHNERR (K. H. ). [Analysis of Ilvaite] . . . . . . . VIARD ( GEORGES). Estimation of Manganese in presence of Phosphoric acid DEMENT~~EFF (K.). Volumetric Estimation of Zinc . . . . . WAGNER (E.). Quantitative Analysis by Electrolysis . . . . . CARNOT (ADOLPHE) and GOUTAL. Employment of Cupric salts in the Analysisof Irons and Steels . . . . . . . . . . HOLLARD (A.). Electrolytic Analysis of Bronze and Brass . . . . GIESE (0. TON). ELLRAM (W.), New Reactions of Vanadic acid, Mblybdic acid, and Thio: cyanates . . . . . . . . . . TRUCHOT (P.). Est‘imation of Gold and Silver in Auriferous Minerals . VILLIERS (ANTOINE). Destruction of Organic Matter in Toxicology . .TRYLLER (HEINRICH C.). Estimation of Dry Matter in Peat . . . EISEXLOHR (HERMANN). Estimation of Paraffin . . . . . . AIGNAN (A.). Detection of Rosin Oil in Turpentine . . . . . FISCHER ( BERNHARD). R~HAL (AUGUSTE) and MAURICE FRANQOIS. Examination of Chloro: form . . . . . . . . . . . BRAUN (LUDWIG). RICHMOND (HENRY DROOP) and L. KIDGELL BOSELEY. Estiniatio; of Milk: sugar in Milk . . . . . . . . . . LINDET (LBoN). Estimation of Starch incereals . . . . . . MAYRHOFER (JOSEPH). Estimation of Starch in Sausage Meat . . . LEGER (EUG~CNE). Distinctive reaction for a- and &Naphthol . . . LEFBVRE (L~oN). Schiffs reactiou with “Acid Magenta ” . . . . ing the dcetyl group and their derivatives . . . . . Colour Reactions of the Aldehydes and Ketones .Nickel, and Cobalt . . . . . . . . . . . Electrolytic estimation of Lead Estimation of Chloroform in Viscera Estimation of Maltose in Worts PAGE ii, 463 ii, 464 ii, 464 ii, 464 ii, 465 ii, 465 ii, 466 ii, 467 ii, 467 ii, 468 ii, 468 ii, 468 ii, 468 ii, 516 ii, 516 ii, 516 ii, 516 ii, 517 ii, 517 ii, 517 ii, 518 ii, 518 ii, 518 ii, 518 ii, 519 ii, 519 ii, 519 ii, 519 ii, 519 ii, 520 ii, 521 ii, 522 ii, 522 ii, 522 ii, 522 ii, 523 ii, 523 ii, 523 ii, 524 ii, 524 ii, 524 ii, 525 ii, 525 ii, 525 ii, 526 ii, 526CONTENTS. xxxvii LEONARD (NORMAN), HARRY M. SMITH and HENRY DROOP RICHMOND. Distillation of Formaldehyde from Aqueous Solutions . . . . FRANCOIS (MAURICE). Estimation of Aldehyde in Ether . CUNI~YSE (L.) and SIC. DE RACZKOWSEI. Estimation of Benzaldehyde in Kirschwasser .. . . . . . . . . . BERG (ARMAND) and C. GERBER. Recognition of certain Organic acids in Plants . . . WEIBULL (MATS). Simple Method of Estimating Fat' in Centnfug&sed Cream . . . . . . . . . . CARLINFANTI (E.), Cryoscopy applied to ihe Analysis of Milk . RICHMOND (HENRY DROOP) and L. KIDGELL BOSELEY. Detection of Mix-' . SOXHLET ( FRANZ). Characterisatioii of Margarine by admixture of Starch LIPPERT (WALTHER). Assay of Linseed Oil . BILTERYST. Detection of Arachis Meal and Arachk Cake in ChocolGe LUGOWSKY (L. S.). Detection of Japanese Wax and Tallow in Beeswax . HOLDE (D.) Iodine number of Cacao Butter . . . . . . . BAEMES. Detection of Tannin . . . . . . . . . . . AWENG (EUGEN). Estimation of Tannin . . . . . . . . SPICA (MATTEO). Adulteration of Sumach . . . . . . . MAUPY (L.) ., DENIG~S (GEORGES). New Method for the estimation of Casein in Milk . DACLIN (L.). Detection of Santonin in Urine . . . . . . . FREYSS (GEORGES). JANNASCH (PAUL EHRHARDT) and E. EOLITZ. Separation of Chlorine and Bromine in the presence of Acetates, Sulphates, and Nitrates . JANNASCH (PAUL EHRHARDT) and E. KOLITZ. Separation of Chlorine, Bromine and Iodine in the analysis of Organic Compounds . BLAIR (ANDREW A. ). NOAILLON (A,). Estimation of Sulphur in Iron Pyrites or Native Zinc Sulphate . . . . . . . . . . . . . . AUFRECHT. Estimation of Sulphur in Petroleum . . . . . . OTEHA (N.). Estimation of Sulphur in Coke . . . . GRUTZNER (BRUNO). SCHUYTEN (M. C.). GAROLA (C.). Estimation of Phosphoric Acid in Organic Substances . GLASER (F.) and KARL MUHLE. Estimation of Phosphoric acid in Medicinai Wines . . . . . . . . . . . . . . . DINKLER. Detection of Arsenic . . . . . . . . . . BELLOCQ (A.). Estimation of Boric acid . . . . . . . . SCHNEIDER and GAAB. Estimation of Boric acid . . . . . . KONINGH (LEONARDE). Estimation of Boric acid in Foods . . . THADDI~EFF (KONSTANTIN). Estimation of Boric acid as Potassium Boro- fluoride . . . . MURRAY (C. B. j and G. P. MAURY. Rapid Me'thodfor EstiAatidg Sikcon' in Silicospiegel and Ferrosilicon . . . . . . . . . NEUMANN (B.). Limits of Delicacy of various Tests for Metals . . . SESTINI (FAUSTO). Direct Estimation of Calcium Carbonatein Sbil . . ALVAREZ and JEAN. Contributions to Qualitative Analysis . . . . VANINO (LUDWIG) and F. TREUBERT. Estimation of Mercuric salts . . HEATH (GEORGE L.). Improvements in the Colorimetric Test for Copper . VEDRODI (VICTOR). Estimation of Copper in Vegetable Foods . . . MOISSAN (HENRI). Analysis of Aluminium and its alloys . . . . PLANCKEN (JOSEF VAN DER). . LINDET (L~oN). Estimation af Calcium, Aluminium, and Iron in Mineral CAVALLI (ANBELMO). Detect'ion of Ni'ckel'in piesen'ce of Cobalt . . . tures of Diluted, Condensed, or Sterilised Milk with fresh Milk SCHAFFER (G. L.). Estimation of Aloin in Aloes . . . Estimation of Theobromine in Cocoa and in Cdocolite . Titration with Potassium Hydrogen Carbonate Estimation of Sulphur in Pig Iron . Estimation of Nitrites and Nitrous acid New Reagent for Detecting and Estimating kitri'tes MAYENTON. Electrolytic Examination of Silicates . . . . REINHARDT (CARL). Estimation of Alkalis in Fire-clays . . JORDIS (EDUARD). Estimation of Zinc by Electrolysis . . . . . Detection of Alum in Flour and Bread Phosphates . , . . PAGE ii, 526 ii, 526 ii, 526 ii, .527 ii, 527 ii, 527 ii, 528 ii, 528 ii, 529 ii, 529 ii, 529 ii, 529 ii: 530 ii, 530 ii, 530 ii, 531 ii, 531 ii, 532 ii, 532 ii, 593 ii, 594 ii, 594 ii, 594 ii, 595 ii, 595 ii, 595 ii, 595 ii, 596 ii, 596 ii, 596 ii, 596 ii, 597 ii, 597 ii, 597 ii, 597 ii, 599 ii, 599 ii, 599 ii, 599 ii, 600 ii, 600 ii, 600 ii, 601 ii, 601 ii, 602 ii, 602 ii, 602 ii, 602 ii, 603xxxviii CONTENTS. AUCHY (GEORGE). Complete Analysis of Iron Ores Notes on Sarnstrom’s MASTBAUM (HUGO). Estimation of the Tin in Tin-plate , . . . VAXIXO (LUDWIG). Action of Hydrogen Peroxide on Metals as precipitated Detection of Arsenic, Antimony, and Bis- GARALOWSKI (A,) and ALEXANDER KATZ. Apparatus for Testing Oils . SOLDAIBI (ARTURO) and E. BEET*. Analysis of Essence of Lemons . . HABER (FRITZ) and S. GRINBERG. Analysis of Coals . . . . . HEFELMANN (RUDOLF). Estimation of Alcohol in Essences . . . . SWOBODA (A.). New Reaction of Picric acid . . . . . . . FEHEBCZI (SIEGMUND). Improvements in Paper Testing . . . . RIETER(E.). Estimation of Aldehyde in Alcoholic liquids . . . . KREMERS (EDWARD) and 0. S. SCHREINER. Estimation of Hydrocyanic acid i n Oil of Bitter Almonds KARSCH (W.). Estimation of Volatile Fatty aLids by the Leffmann-Bean‘ Process . . . . . . . . . . . . . JONG (J. H. DE). . ENELL (HENRIK). Detection of Calcium Hydrogen Tartrate in Purified Cream of Tartar . . . . . . . . . . . STUTZER (ALBERT) and A. KAKLOWA. Estimation of Uric acid in Guano . FREYER (FRANZ). Estimation of Salicylic acid . . . . . . GAPALDI (ACHILLE). Estimation of Kynurenic acid . . . . . ASB~TH (ALEXANDER TON). Critical Temperature of Liquids ; a new HERZIG (W.). . FASSBENDER ( G . ) and J. KERN. Cause of ihe low Ibdine Number of Lin- seed-cake Oil , . . . . . . . . DIETERICH (KARL). Detection of‘ Vanillin in Resins . . . . . HILGER (ALBERT) and A. JUCKENACK. Estimation of Caffeine in Tea and Coffee . . . . . . . . . . . . ARNSTEIN (ROBERT): Estimation of Xanthine bases in Urine . . . COURLAY and COREMONS. Detection of Horse-flesh . . DENIG~S (GEORGES). . Method for estimating Manganese . . . . . . by Hypophosphorous acid. muth in the presence of the Noble Metals . . . . . LEBBIN. New Method of Detecting Formaldehyde . . . . I . Detection of Lactic acid and its Clinical significance method of identifying Fats and Oils . . . . . . . AMSEL (HUGO). Assay of Linseed Oil . . . . . Use of the Iodine Number in the analysis of Wool Fat JAWOROWSKI (ADAM). New reagent for Alkaloids . . . . Method for the Examination of Riliari Cal’culi . PAGE ii, 603 ii, 604 ii, 604 ii, 604 ii, 604 ii, 605 ii, 605 ii, 606 ii, 606 ii, 606 ii, 606 ii, 607 ii, 607 ii, 607 ii, 608 ii, 608 ii, 608 ii, 608 ii, 609 ii, 609 ii, 609 ii, 610 ii, 610 ii, 610 ii, 611 ii, 611 ii, 611 ii, 612