Supplement to Natute j 

 June 16, 1898 J 



Index 



XV 



Egypt : the Winter Meteorology of Egypt and its Influence on 

 Disease, H. E. Leigh Canney, 52 ; the Dawn of Civilization, 

 Egypt and Chaldaea, G. Maspero, 196 ; the Book of the Dead, 



E. A. Wallis Budge, F.S.A., 337 ; Discovery of Tomb of 

 Amenophis II. by M. Loret, 566 ; Recherches sur les 

 Origines de I'Egypte : Ethnographic Prehistorique et Tombeau 

 Royal de Negadah, J. de Morgan, 578 ; the Metals used by 

 the Great Nations of Antiquity, Dr. J. H. Gladstone, F. R. S. , 



594 

 Ehrenreich (Dr.), the Guayaki of Paraguay, 551 

 Ekenstein (A. van), Caroubinose and af-Mannose, 72 

 Electricity : on the Constitution of the Electric Spark, Prof. 

 Arthur Schuster, F.R.S., 17 ; a Link in the Evolution of a 

 certain Form of Induction Coil, Rev. F. J. Jervis-Smith, 

 F. R.S., 30; Retardation of Spark Discharge, E. Warburg,' 

 92 ; Electricity and Magnetism for Beginners, F. W. 

 Sanderson, 29 ; the Theory of Electricity and Magnetism, 

 being Lectures on Mathematical Physics, A. G. Webster, 

 49 ; Practical Electricity and Magnetism, John Henderson, 

 509 ; the Magnetic Circuit, H. du Bois, Prof. A. Gray, 

 F.R.S., 3S5 ; a Magnetic Storm, Dr. Charles Chree, 



F. R.S., 492 ; Electric Movements on Air and Water, 

 with Theoretical Inferences, Lord Armstrong, F. R.S. , 31 ; 

 Electrical Oscillations in Wires, H. C. Pocklington, 47 ; 

 Lectures on Physiology, first series, on Animal Electricity, 

 A. D. Waller, F.RS., 50; les fours 6lectriques et leurs 

 Applications, Ad. Minet, 53 ; Bibliography of X-Ray 

 Literature and Research, 53 ; Mechanism of Conductor- 

 discharge by Rontgen Rays, G. Sagnac, 263 ; Emission of 

 Secondary Rays in Air under X-Rays, G. Sagnac, 407 ; Dif- 

 fusion of Rontgen Rays, Drs. Malagoli and Bonacini, 545 ; 

 La Teoria dei Raggi Rontgen, Prof. Filippo Re, 483 ; Heil- 

 mann's Electric Locomotive, 58 ; Dielectric Constants at Low 

 Temperatures, R. Abegg, 70 ; Depolarisation of Mercury and 

 Platinum Electrodes, K. R. Klein, 70 ; Electro-chemical 

 Method of converting Alternating into Direct Currents, L. 

 Graetz, 70 ; Photo-electric Properties of Fluorspar and 

 Selenium, G. C. Schmidt, 92 ; Mutual Influence of Kathode 

 Rays, J. Bernstein, 92 ; Nature of Coloration of Salts by 

 Kathode Rays, R. Abegg, 92 ; Deflection and Reflection 

 with Two Kathodes, Dr. Tollenaar, 96 ; Chemical Effect of 

 Impact of Kathode Rays, Prof. J. J. Thomson and Mr. 

 Skinner, 119; Deflection of Kathode Rays, W. Kaufmann 

 and E. Aschkinass, 238 ; Magnetic Deflection of Kathode 

 Rays, W. Kaufmann, 238 ; Kathode Rays, E. Wiedemann 

 and G. C. Schmidt, 238 ; Colour-Changes of Salts under 

 Kathodic Rays, Profs. Elster and Geitel, 255 ; Relation 

 between Positive Light and Dark Kathode Space, E. Wiede- 

 mann, 402 : Properties of Kathodes in Magnetic Field, Andre 

 Broca, 479 ; Composition of Kathode Rays, M. Villard, 545 ; 

 Electric Decomposition of Kathode Rays, Dr. J. R. von 

 Geitler, 545 ; Temperature Variations in E.M.F. of H-form 

 of Clark Cells, W. L. Waters, 71 ; Electric Balloon Signalling 

 as applied to Arctic Exploration, E. S. Bruce, 85 ; Electric 

 Observations by Balloon, R. Bornstein, 238; "Nymph" 

 Attachment for Pleasure-craft, 86 ; the Carbon Electric Arc, 

 R. Herzfeld, 92 ; Conductivity of Electrodes for Rapid 

 Oscillations, J. A. Erskine, 92 ; Absorption of Electric 

 Oscillations by Luminescent Gases, E. Wiedemann and G. 

 C. Schmidt, 92 ; Temperature-Coefficient of Potential of 

 Calomel Electrode, T. W. Richards, 104 ; Failure of German 

 Silver and Platinoid Wires, RoUo Appleyard, 116; the 

 Material of Resistance-Coil Wires in Tropical Climates, 

 Rollo Appleyard, 418 ; Electric Resistance of Wire and 

 Temperature, J. D. H. Dickson, 157 ; Thermostat for Drying 

 Varnish on Coils, W. Watson, 117 ; a Pocket Voltmeter, M. 

 Joyce, 119; Projected Exploiting of the Trollhattan Water- 

 falls, 135; the Capillary Electrometer, G. J. Burch, 148; 

 Temperature Compensators for Standard Cells, Albert Camp- 

 bell, 166 ; the Zeeman Effect Photographed, Thos. Preston, 

 173 ; Electrical Measurements by Alternating Currents, H. 

 A. Rowland, 189 ; Electric Conductivity of Nitric Acid, V. 

 H. Veley, F.R.S., and J. J. Manley, 190; Cause of Irregu- 

 larities in Clarke's Weston-Element, Dr. Cohen, 192 ; Motive 

 Power and Gearing for Electrical Machinery, E. Tremlett 

 Carter, Prof. A. Gray, F.R.S., 193; the Local Distribution 

 of Electric Power in Workshops, Ernest Kilburn Scott, 197 ; 

 the Magnetic Properties and Electrical Resistance of Iron at 

 High Temperatures, Dr. David K. Morris, 232 ; Origin of 

 Contact Electricity, C. Christiansen, 237 ; Temperature of 



Mercury Arc Lamp Electrodes, L. Arons, 238 ; the Elements 

 of Electro-Chemistry, Dr. Robert Liipke, 243 ; the Electro- 

 Chemical Industries, J. W, Swan, F. R.S., 284; Current 

 Intensity of Lightning- Flash, F. Pockels, 301 ; Cause of 

 Death by Electric Shock, Prof. T. Oliver and Dr. R. A- Bolam, 

 "302 ; a Thermometric Mercury Ammeter, Ch. Camichel, 310 ; 

 Resistance of Crystallised Silicon, F. Le Roy, 310; Phos- 



■ phorescence produced by Electrification, J. Trowbridge and J. 

 E. Burbank, 333 ; Electric Signalling without Conducting 



_ Wires, Prof. Oliver Lodge, 334 ; a Tesla Oscillator, 335 ; 

 the Refraction of Electric Waves, Prof. Jagadis Chunder 

 Bose, 353 ; Electroscopic Detection of Electric Waves, A. 

 Toepler, 401 ; Novelty in Vacuum Tubes, Prof. Trowbridge 

 and Mr. Burbank, 371 ; Electric Traction in America and 

 Europe, Philip Dawson, 379 ; Electro-Magnetic Induction in 

 Current Sheets, G. H. Bryan, 382 ; Conductivity of Aqueous 

 Solutions of Potassium and Sodium Sulphates, E. H. Archi- 

 bald, 398 ; Reversal of Valve Action in Discharge Tubes, E. 

 Hagenbach, 401 ; Theory of Galvanic Polarisation, A. Ober- 

 beck, 401 ; Excitation of Stationary Waves by Spark Dis- 



- charges, F. Melde, 401 ; Stratified Discharge in Open Air, 

 Max Toepler, 401 ; Counter Electromotive Force of 

 Aluminium, V. von Lang, 401 ; Influence of Magnetism on 

 Strength of Electric Vacuum Discharges, A. Paalzow 

 and F. Neesen, 402 ; Magnetic and Electric Wind, O. 

 Lehmann, 402 ; Chemical Actions of Silent Discharge, M. 

 Berthelot, 431, 455, 479, 503; Direct Measurement of Period 

 of Hertzian Oscillations, L. Decombe, 407 ; New Con- 

 tact-Breaker for Induction Coils, V. Cremieu, 407 ; 

 Recherches experimentales sur quelque Actinometres Electro- 

 chimiques, H. Rigollot, 411 ; Electrolytic Reflectors, Sherard 

 Cowper-Coles, 419 ; Influence of Silent Discharge on Air, 

 W. A. Shenstone and W. T. Evans, 430 ; the Electrician 

 Electrical Trades Directory and Handbook for 1898, 435 ; the 

 Universal Electrical Directory, 435 ; Kelvin Quadrant Electro- 

 meter as Wattmeter and Voltmeter, Ernest Wilson, 453 ; the 

 Theory of Alternating Currents, W. G. Rhodes, 454; Student's 

 Guide to Submarine Cable-testing, H. K. C. Fisher and J . 

 C. H. Darby, 459 ; Temperature of Incandescent Lamps, 

 P. Janet, 479 ; Explosion of Marsh-gas Mixtures by 

 Electric Currents, H. Couriot and J. Meunier, 479 ; Prepar- 

 ation of Beryllium by Electrolysis, P. Lebeau, 479 ; Molecular 

 Mechanism of Electrolytes, W. M. Hamlet, 494 ; Canal Rays, 

 E. Goldstein, 500 ; Potential Gradients in Vacuum Tubes, 

 W. P. Graham, 500 ; Connection between Electrical Proper- 

 ties and Chemical Composition of Various Glass, Prof. 

 Andrew Gray, F.R.S., and Prof. J. J. Dobbie, yxt; Dis- 

 charge by Ultra-violet Light, E. Rutherford, 503 ; Con- 

 ductivity of Thin Silver Plates, G. Vincent, 503 ; Journal of 

 Electricity, 524 ; Circulation of Gaseous Matter in Crookes' 

 Tube, A. A. C. Swinton, 525 ; Thermo-electric Pyrometers, 

 A. Stansfield, 525; the Kinetic, Theory of Gases, Prof. G. 

 H. Bryan, F.R.S., 536 ; L'Electro-chimie, Production 

 Electrolytique des Composes Chimiques, A. Minet, 561 ; 

 Present State of Supply of Electricity in London, A. H. 

 Preece, 566 ; Electric Conductivity of Solution of Perman- 

 ganate of Potassium, Emmanuel Legrand, 576 ; Telegraphy 

 by Circuit, Dr. Slaby, 589 ; New Coherer for Wireless Tele- 

 graphy, Dr. H. Ruff, 612 ; Extension of Maxwell's Electro- 

 magnetic Theory of Light, Edwin Edser, 599 ; Rays emitted 

 by Uranium and Thorium Compounds, Slodowska Curie, 

 600 ; Helios Company Model illustrating Three-phase Method 

 of transmitting Power, Prof. S. P. Thompson, 623 



Elementary Practical Physiography, John Thornton, 244 



Elements of Electro-Chemistry, the, Dr. Robert Lupke, 



243 

 Elliot (D. G.), the Gallinaceous Game Birds of North America, 



219 

 Ellms (Mr.), Microscopic Plants imparting 111 Odour to Water, 



441 

 Elster (Prof.), Colour-changes of Salts under Kathodic Rays, 



255 

 Embryology : Das Wachstum des Menschen, Dr. F. Daffnfr, 

 363 ; Kainogenesis als Ausdruck differenter phylogenetischer 

 Energien, Dr. Ernst Mehnert, 505 ; Programm und Fors- 

 chungsmethoden der Entwicklungs-Mechanik der Organismen, 

 Dr. Wilhelm Roux, 531 

 Emotions, the Psychology of the, Th. Ribot, 150 

 Empire, a Run Round the, being the Log of Two Young People 

 who Circumnavigated the Globe, Dr. Alex. Hill, 316 



