Nature, "| 



December 13, 1900 J 



Index 



quakes, 1893-8, M. Eginitis, 85 ; the Great Earthquake of 

 June 12, 1897, R. D. Oldham, 305 ; Philippine Earthquakes 

 of 1897, P. J. Coronas, 555 ; Earthquake in Bombay and 

 Madras, 578 



Earthworks, on some Yorkshire, Mrs. Armitage, 637 



Eberhardt (M.), Action of Dry and Moist Air on Plants, 312 ; 

 Influence of Dry Air on Plant Structure, 520 



Ebert (A.), Generation of Electricity in Liquid Air, 568 



Echinoderms, a Manual of the, F. A. Bather, J. W. Gregory 

 and E. S. Goodrich, 545 



Kckardt (M.)» Expansion of Rubidium during Fusion, 93 



Eckerlein (P. A.), Thermal Conductivity of Gases, 639 



Eclipses: the Total Eclipse of the Sun, 54, 132, 398; Charles 

 P. Butler, 54; Sir Norman Lockyer, K.C.B., F.R.S., 104; 

 M. Deslandres, 233 ; French Observations of the Total 

 Eclipse of the Sun, 183 ; the Total Eclipse observed at Sea, 

 Col. E. E. Markwick, 183 ; Solar Eclipse of May 28, 1900, 

 Actinometric Observations during, J. Violle, 216 ; S. R. 

 Bennett, 263 ; Prof. Copeland and Thomas Heath, 263 ; 

 the Total Solar Eclipse as observed by the Smithsonian 

 Expedition, 246 ; Magnetic Observations during, Dr. L. A. 

 Bauer, 302 ; Maximum Duration of a Total Solar Eclipse, 

 C. T. Whitmell, 64, 86 ; Duration of Totality of Solar 

 Eclipses at Greenwich, Chas. T. Whitmell, 269 ; the Dark 

 Fringes Observed during Total Solar Eclipses, V. Ventosa, 

 86 ; Photometry of Corona, April 16, 1893, P'"of- H. H. 

 Turner, 86 ; Eclipse Photography, Prof. Francis E. Nipher, 

 246 ; Automatic Photography of the Corona, Prof. C. 

 Burckhalter, 535 ; the Total Eclipse of the Sun of May 17-18, 

 1901, 202 ; J. J. A. Muller, 389 ; see also British Association 



Edelmann (M. T.), High Note Production by Gallon's Whistle, 

 381 



Edinburgh Mathematical Society, 95, 191 



Edinburgh Royal Society, 95, 191, 263, 360 



Education : Extension of the Dyeing Department of Yorkshire 

 College, 115 ; a Modern University, 184, 203 ; the Reorgan- 

 isation of the Education Department, 209 ;' the Board of Edu- 

 cation and its Consultative Committee, 248 ; the Consultative 

 Committee and Technical Education, Prof. J. Wertheimer, 

 294 ; the Teaching of Mathematics, Prof. John Perry, F.R.S., 

 317; the Reform of Mathematical Teaching, David Mair, 

 389 ; Henry Woollen, 436 ; W. F. Beard, 466 ; C. E. Stro- 

 meyer, 523 ; Oliver Heaviside, 548 ; a Physical Basis of 

 Precocity, 578 



Egerton (H. E.), Sir Stamford Raffles : " England in the Far 

 East," 548 



Eginiiis (D.), Greek Earthquakes, 1893-8, 85 ; Ancient 

 Records of Meteor Showers, 203 



Egypt : Nile Floods and Monsoon Rains, 391 ; Egyptian Gold, 

 Daniel Berthelot, 464 ; on Perforate Humeri from 4ncient 

 Egyptian Skeletons, Prof. A. Macalister, 633 ; on the System 

 of Writing in Ancient Egypt, F. LI. Griffiths, 634 ; on the 

 Present State of our Knowledge of the Modern Population of 

 Egypt, D. Randall-Maclver, 636 



Ehrlich (P.), Histology of the Blood : Normal and Pathological, 

 410 



Eichhorn (H.), Resistivity of Bismuth in Magnetic Field, 639 



Eider-duck's Summer Moulting Plumage, the, Witmer Stone, 

 201 



Electricity : Maximum Sensitiveness in Coherers for Wireless 

 Telegraphy, A. Blondel and G. Dobk^vitch, 23 ; Wireless 

 Telegraphy and Hertzian Waves, S. R. Bottone, 522 ; Human 

 Body as Screen in Wireless Telegraphy, E. Guarini and 

 . F. Poncelet, 568 ; Value of Refractive Index of Ice for Electro- 

 magnetic Radiations, C. Gutton, 23 ; Electro-magnetic Experi- 

 ment, Prof. S. P. Thompson, 71 ; Therapeutic Electricity and 

 Practical Muscle Testing, W. S. Hedley, 30; Dublin Section of 

 the Institution of Electrical Engineers, Inaugural Address, Ap- 

 plications of Electrical Science, Prof. G. F. Fitzgerald, 43 ; an 

 Experiment of M. Jaumann, P. Villard, 47 ; the Viscosity of 

 Dielectrics, F. Beau lard, 47; Electric Micrometer, P. E. Shaw, 

 67 ; the Lightning Conductors of St. Paul's, K. Hedges, 68 ; 

 Discussion on Prot. Lodge's paper on Volla's Contact Force, 

 Prof. Armstrong, Mr. Glazebrook and Dr. Lehfeldt, 70 ; 

 Electrical Power Transmission Works in Northern Italy, 84 ; 

 Electric Arc between Metallic Electrodes in Nitrogen and 

 Hydrogen, L. Arons, 93 ; Electrolytic Records of Currents, 

 P. Gruetzner, 93 ; the Metropolitan District Short Electric 



, Railway Line, 107 ; Nikola Tesla's Recent Elecirical Experi- 

 ments, 116; Measurement of Standard Resistances, R. T. 



Glazebrook, 118; the Theory of Electrolytic Dissociation, 

 H. C. Jones, 121 ; the St. Lawrence Power W^orks, 135 ; 

 Standardisation of Electrical Engineering Plant, R. P. Sellon, 

 135; Advancement of Electrical Chemistry, Dr. F. MoUwo 

 Perkin, 138: the Kathode Rays, P. Villard, 191 ; Electrical 

 Resistance of Thin Films deposited by Kathode Discharge, 

 A. C. Longden, 210 ; Discontinuity of Kalhodic Emission, 

 P. Villard, 240 ; Significance of Kathode Rays in connection 

 with Mechanism of Discharge, Dr. Otto Berg, 628 ; Reflec:ior> 

 and Mechanical Effect of Kathode Rays, H. Starke, 639 ; 

 Apparatus for production of Short Electric Waves and Study 

 of Electro-opticJPhenomena, Prof. J. A. Fleming, F. R.S.,2o8- 

 Change of Conductivity of Gases by Continuous Current, 

 J. Stark, 211 ; Magnetic Screening for Galvanometers, H. du 

 Bois, A. C. P. Wills, 211 ; Electrical Traction on Canals, 231 ; 

 Action of High-frequency Currents on Elementary Respiration, 

 M. Tripet, 240 ; Experiments on Striated Discharges, R. S. 

 Willows, 240; Electromotive force of Nickel Steel, Emile 

 Steinmann, 264 ; Poulsen's Telegraphone, Louis Olivier 273 ; 

 Newton's Rings from Selenium Rays, A. C. Longden, 273 ; 

 a String Alternator, K. Honda and S. Shimizu, 286 ; Volta e 

 la Pila, Prof. Augusto Righi, 293 ; Electrical Organs, Muscle 

 or Nerve ? Beitrage zur Physiologie des elektrischen Organes 

 der Zitterrochen (Torpedo), Siegfried Garten, 290 ; Electrical 

 Power Distribution, Prof. VV. E. Ayrton, F.R.S., 296 ; Electro- 

 lytic Estimation of Bismuth, Dmitri Balachowsky, 312 ; Resist- 

 ivity of Bismuth in Magnetic Field, H. Eichhorn, 639 ; Some 

 Results obtained with a Storage Battery of Twenty Thousand 

 Cells, Prof. John Trowbridge, 325 ; Electric Touch and 

 Molecular Changes produced by Electric Waves, Prof. Jagadis 

 Chunder Bose, 335 ; Interruption Spark in Alternating 

 Current with Metallic Electrodes, L. Kallir, 335 ; Thermo- 

 electric force of some Metallic Oxides and Sulphates, A. Abt, 

 335 ; Anomalous Electro-magnetic Rotary Dispersion, A. 

 Schmauss, 335 ; Point Discharges, E. Warburg, 335 ; the 

 Conductivity produced in Gases by the Motion of Negatively- 

 charged Ions, J. S. Townsend, 340 ; Swift and Son's 

 Electric Lamp for Microscopy, 351 ; Electrical Effects of Light 

 on Green Leaves, Dr. A. D. Waller, F.R.S., 358; 

 Electrical Leakage from Charged Bodies, Prof. J. C. Beatiie, 

 360 ; Atmospheric Electricity, C. T. R. Wilson, 149 ; John 

 Aitken, F.R.S., 366 ; Variations with altitude of Air Potential, 

 Prof. E. Semmola, 375 ; Recording Telephones, 371 ; 

 Variation of Condenser and Choking-Coil Currents with 

 Shape of Electromotive Wave, Alex. Russell, 375 ; Electron 

 Theory of Atomic Magnetism, Robert Lang, 376 ; Subjects 

 for Consideration by Electrical Engineers, 379 ; Despersion in 

 Air, J. Elsterand H. Geitel, 381 ; Fluorescence and Phosphores- 

 cence in Discharge through Nitrogen, P. Lewis, 381 ; Electro- 

 lysis of Concentrated Solutions of Hypochlorites, Andre 

 Brochet,383; Circuits formed entirely by Electrolytes, MM. 

 Carmichel and Swyngedauw, 384 ; Electrolytic Estimation of 

 Cadmium, Dmitri Balachowsky, 384 ; Electric Batteries, how to 

 Make and Use Them, 388 ; Moving Charge Not Productive 

 of Magnetic Field, V. Cremieu, 396 ; Wireless Telegraph in 

 French Navy, 396 ; What Pressure is Dangerous on Electric 

 Railways with Overhead Trolley Wires, William Rung, 399 ; 

 Units at the International Electrical Congress, 414 ; American 

 Institute and English Institution of Electrical Engineers at 

 Paris, 415 ; Relative Advantages of Alternate and Con- 

 tinuous Current for General Supply, with regard to 

 Interference with Other Interests, M. Ferranti, 415 ; Mr. 

 Arnold, 415 ; Sir William Preece, 415 ; Dr. Kennelly, 415 ; 

 Prof. Ayrton, 416 ; M. Corda, 416 ; Prof. Crocker, 416 ; Mr. 

 Mordey, 417 ; Mr. Mailloux, 417 ; Prof. S. P. Thompson, 

 417 ; the Niagara Falls Power Company's Works, 422 ; 

 Rowland's New Method for Measuring Electric Absorption, 

 L. M. Potts, 432 ; Dielectric Cohesion of Gases, M. Bouty, 

 432 ; Electricity Direct from Coal, E. F. Bamber, 437 ; 

 Electrical Dyeing Machinery, A. E. Sunderland, 457 ; Ettect 

 of Thunderstorms on Calcutta Glow Lamps, 457 ; Evapora- 

 tion not Productive of Loss of Charge, A. Pochettino and A. 

 Sella, 458 ; Dielectric Cohesion and Explosive Fields, 464 ; 

 Electrical Determination of Last Sign of Life, A. D. Waller, 

 492 ; Atmospheric Electricity and Dew-ponds, Arthur 

 Marshall, 495 ; Wastage of Electrical Properties of 

 Cables under Continuous Currents, George Rheins, 

 520 ; the Theory of Ions, 524 ; Ions, Prof. G. F. 

 Fitzgerald, 564 ; Dr. J. Larmor, 564 ; Prof. H. E. 

 Armstrong, 564 ; Mr. Whetham, 564 ; Prof. Oliver Lodge, 



