Nature, "j 

 June 13, 1901 J 



Index 



XV 



Bradford Municipal Technical College, 69 ; Prof. Rucker, 

 133 ; Progress of Science Teaching, 193 ; Education in 

 Science, James Sutherland, 275 ; Science Teachers in Con- 

 ference, A. T. Simmons, 289 ; Conference of Science 

 Masters in Public Schools, Wilfred Mark Webb, 313; the 

 Royal Indian Engineering College, Coopers Hill, 256, 280, 

 303. 378, 399, 568 ; Technical Education at Manchester, 

 A. T. Simmons, 336 ; the Owens College, Manchester, 

 P. J. Hartog, 374 ; the Teaching of Elementary Mathe- 

 matics, David Eugene Smith, Prof. John Perry, F.R.S. , 367 ; 

 Mathematics and Physics in Public Schools, G. H. J. Hurst, 

 370 ; Science at Sheffield University College, 383 ; Science 

 in Technical and Preparatory Schools, A. T. Simmons, 407 ; 

 the Teachmg of Physiology, Dr. W. T. Porter, 427 ; National 

 Life from the Standpoint of Science, Prof. Karl Pearson, 

 F.R.S., Prof. E. Ray Lankester, F.R.S., Prof. John Perry, 

 F.R.S., Supp. iii ; Anthropologic als Wissenschaft und 

 Lehrfach, Dr. Rudolf Martin, Supp. x. 

 Edwards (Fred. G.), Chemistry and Exact Mechanical Phil- 

 osophy, 489 

 Egan (F. W.), Death of, 257 

 Egested Egg-shell, Dasypeltis and the, Prof. G. B. Howes, 



F.R.S., 326 

 Eginitis (D.), Observations of Perseids at Athens, 24; Obser- 

 vations of Leonids and Bielids at Athens, 196 

 Egyptian Hieroglyphics, Platinum in, Daniel Berthelot, 556 

 Egyptology : a Self- verifying Chronological History of Ancient 

 Egypt. A Book of Startling Discoveries, Orlando P. Schmidt, 

 581 

 Eigenmann (C. H.), the Eyes of the Blind Vertebrates of North 



America, 589 

 Eiweisskorper, Chemie der, Dr. Otto Cohnheim, Dr. J. A. 



Milroy, 224 

 Elasticity : on a Proof of Traction-elasticity of Liquids, Prof. 



G. van der Mensbrugghe, 274 

 Electricity : Electric Wiring Tables, W. P. Maycock, 5 ; Con- 

 centration at Electrodes in Solutions, Dr. H. J. S. Sand, 23, 

 196 ; Elementary Questions in Electricity and Magnetism, 

 Magnus Maclean, E. W, Marchant, 28 ; the Principles of 

 Magnetism and Electricity, P. L. Gray, 439 ; Llewelyn B. 

 Atkinson, 515; the Reviewer, 515 ; the Value of the Cylinder 

 Function of the Second Kind for Small Arguments, W. B. 

 Morton, 29 ; Overhead Tramway Wire Accident at Vienna, 

 35 ; Method of Diminishing Disturbance of Magnetic Obser- 

 vatories by Tramways, Th. Moureaux, 35 ; Magnetic Field 

 produced by Electric Tramways, Prof. A. W. Rucker, 194; 

 Kew Observatory and the London United Tramways Com 

 pany, 237, 281, 499, 572 ; R. T. Glazebrook, 257 ; Tram- 

 way Leakage and Gas and Water Pipes, Walter Hunter, 

 257 ; Combined Trolley and Conduit Tramway Systems, 

 A. H. Connett, 547 ; Dover-Ostend Mail Packet Experi- 

 ments with Marconi's Wireless Telegraphy, 36 ; Extension 

 of Marconi's Wireless Telegraphy, 381 ; Wireless Tele- 

 graphic Fog-signal Apparatus, 187 ; Propagation of Hertzian 

 Waves in Wireless Telegraphy, E. Lagrange, 363 ; Prof. 

 Braun's System of Wireless Telegraphy, 402 ; Dielectric 

 Hysteresis, M. F. Beaulard, 36; Electromotive Force pro- 

 duced by Motion of Liquid through Silvered Glass Tube, C. 

 Zakrzewski, 37 ; Electrical Engineering as a Trade and as 

 a Science, Prof. John Perry, F.R.S., 41 ; Damage done to 

 Seal Rock Lighthouse by Lightning, C. W. Darley, 52 ; 

 Electromotive Force and Osmotic Pressure, Dr. R. A. Leh- 

 feldt, 74 ; a Phase-turning Apparatus for Use with Electro- 

 static Voltameters, A. Campbell, 74 ; Method of Power- 

 measurement in Alternating Circuit Currents, A. Campbell, 

 74 ; on Obtaining Alternating Currents and Voltages in same 

 Phase for Fictitious Loads, A. Campbell, 74 ; les Plaques 

 Sensibles au Champ Electrostatique, V. Schaffers, 82 ; Electric 

 Traction Troubles, 83 ; Necessary Distance of Magnetic Ob- 

 servations from Electric Tramways, Dr. Edler, 89 ; Relations 

 between Thermo- and Electro-magnetic Effects, Dr. W. 

 Peddie, 99 ; Rowland's Experiments on Magnetic Effect of 

 Electrical Convection, V. Cremieu, 99 ; Chemical Activity 

 under Silent Discharge, Daniel Berthelot, 99 ; a Self-adjust- 

 ing Wheatstone's Bridge, E. H. Griffiths and W. C. D. 

 Whetham, 123 ; Oscillographs, 142 ; a New Form of Co- 

 herer, Prof. Augustus Trowbridge, 156; the Theory of 

 • Electrocapillary Phenomena, M. Gouy, 171 ; Electricities of 

 Stripping and Cleavage, Prof. A. S. Herschel, F.R.S., 179; 

 Photography of the Static Discharge, Dr. Hugh Walsham, 



180 ; some Experiments on the Direct Current Arc, W. 

 Duddell, 182 ; Electric Inertia and Inertia of Electric Con- 

 vection, Prof. A. Schuster, 194 ; Electrical Properties of 

 Hydrogen-chlorine Mixture exposed to Light, Prof. J. J. 

 Thomson, 195 ; Electrical Leakage through Dust-free Air, 

 C. T. R. Wilson, 195 ; the Construction of Large Induction 

 Coils : a Workshop Handbook, A. T. Hare, 229 ; Permanent 

 Variations of Electrical Resistance of Metallic Wires, 

 H. Chevallier, 243 ; Electrical Resistance of Brunton's 

 Metallic Wires, 260 ; Electromotive Force of Magnetisation, 

 Rene Paillot, 243 ; the Lead Storage Battery, Desmond G. 

 FitzGerald, 249; "Blaze Currents" of Frog's Eyeball, Dr. 

 A. D. Waller, F.R.S., 266; What is Heat and what is 

 Electricity ? F. Hovenden, 274 ; Electric Lighting, Shades 

 for, W. L. Smith, 282 ; Atmospheric Electricity, Drs. Elster 

 and Geitel, 283 ; Death of Z. T. Gramme, 304 ; Obituary 

 Notice of, 327 ; the Theory of Commutation, C. C. Hawkins, 

 324 ; Proposed Monument to James Bowman Lindsay, 329 ; 

 Captain Hassano's Smelting Process, 330 ; Use of Aluminium 

 as Conductor, J. B. C. Kershaw, 330 ; New Method for 

 Measurement of Ionic Velocities in Aqueous Solution, B. D. 

 Steele, 339 ; Irregularity of Weston Cadmium Element, W. 

 Jaeger, 362 ; Atti della Fondazione scientifica Cagnola, vol. 

 xvii., 369 ; Death and Obituary Notice of Prof. Elisha Gray, 

 378 ; Electrolysis of Oxy-acids, L'Abbe J. Hamonet, 387 ; 

 Die Moderne Entwicklung der Elektrischen Principien, Prof. 

 Dr. Ferd. Rosenberger, 393 ; Integration of Equations of 

 Propagation of Electric Waves, A. E. H. Love, F. R.S., 410; 

 Electric Anemometer Indicating at Distance, E. Legrand, 

 411; Electric Distribution of Power in Workshops, 422; 

 Death of Prof. G. F. Fitzgerald, F.R.S. , 422 ; the Niagara 

 Falls Power Company, 424 ; Nervous Transmission of Instan- 

 taneous Electric Stimulus, Aug. Charpentier, 435 ; Inaugura- 

 tion of a Birmingham Section of the Institution of Electrical 

 Engineers, 452 ; Lightning from Cloudless Sky, C. E. 

 Ashcroft, jun., 474; Variation of Atmospheric Electricity, 

 E. Pellew, 491 ; Apparatus for Recording Alternating 

 Current Waves, F. A. Laws, 500 ; Thermoelectric Position 

 of Solid Mercury, Dr. Peddie, 507 ; Sinoidal Currents, Max 

 Wien, 528 ; Mutmassungen iiber das Wesen der Gravitation, 

 der Elektricitats und der Magnetismus, Dr. Hermann Fischer, 

 533 ; Practical Electrical Testing in Physics and Electrical 

 Engineering, G. D. A. Parr, 538 ; Musical Arcs, 542 ; Effect 

 of Magnetic Field on Resistance of Thin Metallic Films, 

 J. Patterson, 555 ; Theory of Electric Conduction through 

 Thin Metallic Films, Prof. J. J. Thomson, 555 ; Electro- 

 chemical Relations of AUotropic States of Silver, Daniel 

 Berthelot, 556; Prof. J. J. Thomson's Method of Deter- 

 mming Velocity of Ions, C. D. Child, 573 ; the lonisation of 

 Air, C. T. R. Wilson, F.R.S., 577; Electro-capillary 

 Properties of Organic Aqueous Solutions, M. Gouy, 579 ; 

 Pine Boards Showing Tracks of Ball Lightning Discharges, 

 Prof. F. E. Nipher, 580 ; Electro-chemistry, Practical, 

 G. Bertram Blount, Dr. F. M. Perkin, 582 ; Les Pheno- 

 menes Electriques et leur Applications, H. Vivarez, 585 ; 

 the Board of Trade and Electric Lighting, 587 ; the " Cupron- 

 Element " Cell, 594 ; Mechanical Vibrations of Isolated 

 Stretched Wire with Visible Discharge, O. Viol, 626 ; Dis- 

 ruptive Discharge in Electrolytes, MM. A. Broca and Turchini, 

 628 

 Elevation and Stadic Tables, A. P. Davis, 514 

 Eliot (J., F.R.S.), Meteorological Observations in India during 



Solar Eclipse of January 22, 1898, 36 

 Elliott (R. H. ), the Agricultural Changes and Laying Down 



Land to Grass, 585 

 Elliptic Elements of Comet 1900 ^, 333 

 Ellis (Havelock), Huxley's Ancestry, 127 

 Ellis (Miriam Anne), the Human Ear, its Identification and 



Physiognomy, 392 

 Elster (Dr.), Atmospheric Electricity, 283 

 Embryology, Mammalian, Method of Teaching, Prof. C. S. 

 Minot, 306 ; Text-book of the Embryology of Invertebrates, 

 Profs. Korschelt and Heider, 605 

 Endlicher (Stephen), Briefwechsel zwischen Franz Unger und, 



248 

 Engert (H.), the Gracilissimus Muscle in Monkeys, 140 

 Engine-room Practice, John G. Liversedge, 57 

 Engineering : Lubrication and Lubricants, L. Archbutt and 

 R. M. Deeley, 4 ; Electrical Engineering as a Trade and as 

 a Science, Prof. John Perry, F.R.S., 41 ; the Principles, 



