VIU 



Index 



[Nature, 

 December 13, 1900 



Mixtures, 562 ; Prof. G. H. Bryan on the Partition of Mole- 

 cular Energy, 562 ; Prof. Fitzgerald, 562 ; Dr. Larmor on 

 the Results of his Application of the Principle of Least 

 Action to the Statistical Dynamics of Gas Theory, as illus- 

 trated by Meteor Swarms and Optical Ray Systems, 562 ; 

 Report of the Seismological Committee, 562 ; Dr. Larmor 

 on the Relation of Radiation to Temperature, 562 ; Prof, 

 Fitzgerald, 562 ; Dr. S. P. Langley's Chart of the Infra-red 

 Spectrum from 7 to 5 '3/11 obtained by the Bolometric 

 Method, 562 ; Report of the Committee on Meteorological 

 Phenomena, 562 ; Report of the Committee on Solar Radia- 

 tion on Experiments by Prof. Callendar on the Modified 

 Copper-cube Actinometer, 562 ; Mr. A. S. Davies on a 

 Novel Form of Mercurial Barometer, 562 ; Mr. , A. L. 

 Rotch on the Use of Kites for Meteorological Observations, 

 563 ; Captain Campbell Hepworth on the Weather of the 

 North Atlantic Ocean during the Winter 1898-9, 563 ; Mr. 

 J. W. Thomas on the Physical Effects of Wind in Towns 

 and their Influence upon Ventilation, 563 ; Mr. J. Hopkin- 

 son on the Rainfall of the Northern Counties of England, 

 563 ; Mr. G. E. Petaval's Apparatus for Experiments on 

 the Explosive Pressures of Gases, 563 ; Mr. J. W. Gifford's 

 Quartz-calcite Lens with Identical Visual and Photographic 

 Focus, 563 ; Messrs. A. Dufton and W. M. Gardner's 

 Arrangement for producing Artificial Light of the same 

 Character as Daylight, 563 ; Mr. H. Ramage's Method of 

 Investigating Correspondences between Spectra, 563 ; Mr. 

 G. J. Burch's Experiment on Simultaneous Contrast, 563 ; 

 Report of the Committee for improving the Method of 

 Determining Magnetic Force on Board Ship, 563 ; Report 

 of the Committee on Radiation in a Magnetic Field, 563 ; 

 Report of the Electrical Standards Committee on the 

 Removal of the Standards to Kew, 563 ; Mr. R. S. Whip- 

 ple's Improved Standard Resistance Coils, 563 ; Mr. E. H. 

 Griffith's Form of Wheatstone Bridge for Determining the 

 Freezing-points of Dilute Solutions by Platinum Thermo- 

 metry, 563 ; Mr. R. Threlfall, 563 ; Prof. F. G. Baily on a 

 Lecture-room Form of Volt- and Ammeter, 563; Prof.W. B. 

 Morton's Results obtained by applying J. J. Thomson's and 

 Sommerfeld's Solution of the Propagation of an Electric 

 Wave along a Single Wire, 563 ; Mr. S. H. Burbury on the 

 Vector Potential of Electric Currents in a Field where Dis- 

 turbances are propagated with Finite Velocity, 563 ; Sir 

 William PI. Preece on Wireless Telegraphy, 564 ; Prof. 

 G. F. Fitzgerald on Cremieu's Experiment, 564 ; Dr. J. 

 Larmor, 564 ; Prof. J. Chunder Bose on the Effect of 

 Electrical Stimulus on Inorganic and Organic Substances, 

 564 ; Report of the Committee on Electrolysis and Electri- 

 cal Chemistry, 564 ; Prof. G. F. Fitzgerald on Ions, 564 ; 

 Dr. J. Larmor, 564 ; Prof. H. E. Armstrong, 564 ; Mr. 

 Whetham, 564 ; Prof. Oliver J. Lodge, 564 ; Mr. W. J. Pope, 



564 ; Dr. H. C. Pocklingion on the Radiation of a Black 

 Body on the Electro-magnetic Theory, 564 ; Mr. C. E. S. 

 Phillips on the Apparent Emission of Kathode Rays from 

 an Electrode at Zero Potential, 564; Mr. J. B. B. Burke 

 on the Phosphorescent Glow in Gases, 564 



Section A {Department of Astronomy). — Opening Address by 

 Dr. A. A. Common, F.R.S., Chairman of the Department, 

 471 ; Prof. Todd on the Application of the Electric Tele- 

 graph to the furtherance of Eclipse Research, 565 ; Prof. 

 Todd on Operating Eclipse Instruments Automatically, 565 ; 

 Prof. Todd on the Use of a Wedge of Yellow Optical Glass 

 in giving correctly Graduated Photographic Exposures of 

 the Partial Phases of an Eclipse and the Corona, 565 ; the 

 Rev. A. L. Cortie on the Classification of Sun Spots, 565 ; 

 Prof. Turner on a Cheap Form of Micrometer for determin- 

 ing Star Positions on Photographic Plates, 565 ; Dr. W. J. 

 Lockyer's Comparison of the Details of the Prominences 

 and Corona on Photographs of the recent Eclipse taken by 

 Prof. Langley in America, and Sir Norman Lockyer in 

 Spain, 565 ; Mr. A. R. Hinks on the New Form of Refract- 

 ing Telescope recently erected at Cambridge, 565 ; Mr. 

 A. R. Hinks on Preparations for determining the Solar 

 parallax by Observations of Eros, 565 ; Prof. Turner, 565 ; 

 Mr. W. E. Plummer on Some Points connected with the 

 Photography of a Moving Object, 565 ; Mr. A. R. Hink§, 



565 ; Mr. John Herschel on his Method of Observing and 

 Recording the Paths of Meteors, 565 ; Mr. C. T. Whuwell 

 on the Duration of Totality of the Solar Eclipse of May 28, 

 1900, 566 



Section B {Chemistry). — Opening Address by Prof. W. H. 

 Perkin, F.R.S., President of the Section, 476 ; Report of 

 the Committee on the Teaching of Science in Elementary 

 Schools, 566 ; Dr. Letts and Mr. R. F. Blake on some 

 Problems Connected with Atmospheric Carbonic Anhydride 

 and on a New and Accurate Method of Determining its 

 Amount, 566 ; Mr. W. Ackroyd on the Distribution of 

 Chlorine in West Yorkshire and on the Limiting Standard 

 of Acidity for Moorland Waters, 566; Dr. T. W. Hlme 

 on the Effects of Copper on the Human Body, 566 ; Prof. 

 H. B. Dixon and Mr. F. W. Rixon on the Specific Heat 

 of Gases up to a Temperature of 400°, 566 ; Mr. F. H. 

 Neville on the Chemical Compounds contained in Alloys, 

 566 ; Prof. J. A. Ewing and Mr. W. Rosenhain on the 

 Crystalline' Structure of Metals, 567 ; Messrs. H. J- H. 

 Fenton and H. O. Jones on a Simple Method of Com- 

 paring the " Affinities " of Certain Acids, 567 ; Mr. W\ J. 

 Pope on Recent Developments in Stereochemistry, 567 ; 

 Prof. J. Bredt and Prof. Ossian Aschan on the Constitution 

 of Camphor, 567 ; Report of the Committee on Isomeric 

 Naphthalene Derivatives, 567 ; Report of the Committee 

 on Isomeric Derivatives of Benzene, 567 ; Dr. J. B. Cohen 

 and Mr. H. D. Dakin on the Chlorination of the Aromatic 

 Hydrocarbons and the Constitution of the Dichlorotoluenes, 

 567 ; Mr. C. F. Cross on the Action of Caro's Reagent on 

 Furfural, 567 ; Mr. T. Fairley on the Heating and Light- 

 ing Power of Coal Gas, 567 ; Dr. A. Liebmann on the 

 Recent Improvement in the Textile Industries, 567 ; Mr. 

 F. W. Richardson on Bradford Sewage and its Treatment, 

 567 ; Mr. W. Leach, 568; Mr. W. B. Bottomley, 568 

 Section C {Geology). — Opening Address by Prof. W. J. Sollas, 

 F.R.S., President of the Section, 481 ; Prof. W. B. Scott 

 on Recent Explorations in Patagonia, 587 ; Prof. J. Milne's 

 Report of the Seismological Committee, 587 ; Mr. S. W. 

 Cuttriss on the Pot-holes and Caves of the Mountain Lime- 

 stone Districts of North-west Yorkshire, 587 ; the Rev. 

 W. Lower Carter and Mr. A. R. Dwerryhouse on the 

 Subterranean Drainage of the Limestone, 587 ; Mr. E. 

 Greenly on the Ancient Peneplains in North Wales, 587 ; 

 Dr. G. Abbott on the Concretionary Structures of the 

 Magnesium Limestone of Durham, 587 ; Prof. W. J. Sollas, 

 F.R.S., on a Concealed Coalfield beneath the London 

 Basin, 587 ; Mr. R. H. Tiddeman on the Formation of 

 Reef-knolls, 587 ; Mr. J. E. Marr, 587 ; Mr. W. Gibson 

 on Rapid Changes in the Thickness and Character of the 

 Coal-measures of North Staffordshire, 587 ; the Rev. J. F 

 Blake on the Registration of Type Specimens, 587 ; Mr 

 R. Kidston on Plant-life during the Growth of the Coal 

 measures, 587 ; Mr. A. Strahan on the Physical Condition 

 during the Growth of the Coal-measures, 587; Mr. J. E. 

 Marr on the Geological Evidence of the Conditions under 

 which Coal was Formed, 588 ; Dr. Horace Brown, 588 ; 

 Prof. P. F. Kendall, 588 ; Mr. R. D. Oldham, 588 ; Mr. 

 J. J. H. Teall on the Plutonic Complex of Cnoc-na-Sroine 

 (Sutherlandshire), 588 ; Prof. K. Busz on a Granophyre 

 Dyke Intrusive in Gabbro at Ardnamurchan (Scotland), 

 588 ; Prof. A. P. Coleman on the Recent Discovery of a 

 Ferriferous Horizon in the Huronian North of Lake 

 Superior, 588 ; Mr. F. W. Harmor on the Influence of 

 Winds upon Climate during Past Epochs, 588 ; Dr. Monck- 

 man, Mr. E. Wilson, Mr. A. Jowett, Mr. H. B. Muff, 

 on the Glacial Phenomena of the West Riding, 588 ; Mr, 

 J. W. Stather on the Glaciation of the East Riding, 588 ; 

 Mr. R. H. Tiddeman on the Raised Beach of Gower in 

 South Wales, 588 ; Mr, R. D. Oldham on the Mode of 

 Formation of the Basal Carboniferous Conglomerate of 

 Ullswater, 588 ; Mr. R. D. Oldham on the Formation of 

 New Beaches on the Shores of Thirlmere Reservoir, 588 ; 

 Mr. G. W. Lamplugh on the Evidence as to the Age of 

 the English Wealden Series, 588 

 Section D {Zoology).— 0\y&xi\n^ Address by Ramsay H. Tra- 

 quair, F.R.S., 502; Mr. Eagle Clark on the Migration of 

 British Birds, 588 ; Mr. R. C. L. Perkins on the Zoology 

 of the Sandwich Islands, 589 ; Prof. W. B. Scott on the 

 Miocene Fauna of Patagonia, 589 ; Dr. Gregg Wilson's 

 Exhibit of Eggs and Embryos of Ornithorhyncus, 589 ; 

 Major Ronald Ross on Malaria and Mosquitoes, 589; 

 Prof. S. J. Hickson on Dendrocometes, 589 ; Dr. J. F. 

 Gemmill on the Anatomy of the Head in Cyclopean Trout 

 Embryos, 589 ; Prof. R. Burckhardt on Some Causes of 



