XX 



Index 



\.N07-C. 



Nature, 

 moey 26, 19 



Egypt: Scientific Aid to Egyptian Agriculture, 68; 

 Egyptian Cotton-bug, Mr. Willcocks, 68 ; Heredity in 

 Coiton, Lawrence Balls, 68; Egyptian and Soudan Soils, 

 Mr. Hughes, 68 ; Upper Air Observations in Egypt, 

 B. F. E. Keeling, 94 

 Egyptology ; the Eleventh Dynasty Temple at Deir-el- 

 Bahari.'Eduard Naville, H. R. Hall, and E. R. Ayrton, 

 121; Chemistry of Egyptian Mummies, F. Lucas, 205; 

 the Mummy of Khnumu Nekht in the Manchester 

 Museum, Margaret A. Murray, Dr. Cameron, 262 ; on 

 the Antiquity of Mummification in Egypt, a Correction, 

 Prof. G. Elliot Smith, F.R.S., 342 ; Egypt and Western 

 Asia in the Light of Recent Discoveries, L. W. King 

 and H. R. Hall, 363 

 Ehrenfeucht (V.), the Relative Accuracy of Various Double 



Star Observers, 66 

 Einarsson (Mr.), Comet Morehouse, 549 

 Eiszeit und Urgeschichte des Menschen, Prof. Hans 



Pohlig, 148 

 Electricity : the lonisation of Air by Ultra-violet Light, 

 Eugene Bloch, 23 ; the Velocity of Transport of the 

 Ions H, CI, and OH in the Electrolysis of Solutions of 

 Hydrochloric Acid, E. Doumer, 23 ; Experiments on 

 Artificial Fulgurites, Miss D. D. Butcher, 23 ; Short- 

 spark Phenomena, W. Duddell, 23 ; Electric Railways 

 Theoretically and Practically Treated, Sydney W. Ashe, 

 Prof. Gisbert Kapp, 27 ; Electric Supply Prospects and 

 Changes as affected by Metallic Filament Lamps and 

 Electric Heating, Messrs. Handcock and Dykes, 37 ; 

 Electrical Resistance of Moving Matter, Prof. F. T. 

 Trouton, F.R.S., and A. O. Rankine, 45; Effect of 

 Hydrogen on the Discharge of Negative Electricity from 

 Hot Platinum, Prof. H. A. Wilson, F.R.S., 45; Varia- 

 tion of the Electromotive Force of Liquid-chains by the 

 Polarisation of Interposed Diaphragms, Pierre Girard, 

 48 ; Apparatus for Exhibiting Photoelectric Effects with 

 Potassium-sodium alloy. Dr. J. A. Fleming, F.R.S., 60; 

 Pure Electrolytic Iron, S. Cowper-Coles, 60 ; Oscilla- 

 tion Valves or Glow-lamp Electric-wave Detectors used 

 for Receivers in Long-distance Wireless Telegraphy, Dr. 

 J. A. Fleming, F.R.S., 60; Tantalum Wave-detector 

 for Wireless Telephony or Telegraphy, L. H. Walter, 

 60 ; Experiments on a Directive System of Wireless 

 Telegraphy, E. Bellini and A. Tosi, 214; Detectors for 

 Use in Wireless Telegraphy, Edouard Branley, 359 ; 

 New Electrolytic Signalling Key, L. H. Walter, 60 ; 

 on the Generation of a Luminous Glow in an Exhausted 

 Receiver moving on an Electrostatic Field, and the 

 .Action of a Magnetic Field on the Glow so Produced, 

 F. J. Jervis-Smith, F.R.S., 70; Luminous Glow 

 generated by Electrostatic Induction in an Exhausted 

 Vessel made of Silica, F. J. Jervis-Smith, F.R.S., 535 : 

 Effects of Self-induction in an Iron Cylinder when 

 traversed by .Alternating Currents, Prof. E. Wilson, 71 ; 

 Thermal Effects of High-frequency Currents on the 

 Organism, A. Zimmern and S. Turchini, 72 ; Modern 

 Electrical Theory, Norman R. Campbell, 73 ; an Emana- 

 tion from Sodium, Charles E. S. Phillips, 79; Changes 

 of the Electrical Resistance of Selenium Cells, F. C. 

 Brown and J. Stebbins, 87 ; Alternate Current Measure- 

 ment, Dr. W. E. Sumpncr, 8S ; Comparison of the Board 

 of Trade Ampere-standard Balance with the Ayrton- 

 Jones Current Weigher and Electromotive Force of 

 Standard Cells, T. Mather, F.R.S., and F. E. Smith, 

 92 ; Re-combination of the Ions in Dielectrics, P. 

 Langevin, 91; ; Telegraphic Photography and Electric 

 Vision, Dr. Shelford Bidwell, F.R.S., 105 ; A. A. Camp- 

 bell Swinton. 151 ; Potential Difference and Stability of 

 the Alternating Arc between Metals, C. E. Guye and 

 .A. Bron. 120; Thomas Alva Edison, Sixty Years of an 

 Inventor's Life, Francis Arthur Jones, Prof. G. H. 

 Bryan, F.R.S.. 122 ; Electrical Action of Sodium, 

 Charles E. S. Phillips, 127; the Discharge of Electricity 

 through Gases, Cause of Luminous Phenomena, P. 

 Villard, 135 ; Product of Length of the Spark into 

 Pressure of Gas at which the Soark P.Tsses most Easily 

 is Inversely Proportional to the Refraction Constant 

 n— I of the Gas, Dr. E. Lohr, 135; Two Different 

 States of the Iron Arc, H. Buisson and Ch. Fabry, 

 143 ; Production of Small Variable Frequency Altern- 

 ating Currents Suitable for Telephonic and other 



Measurements, B. S. Cohen, 166 ; the Preparation of 

 a Glass to Conduct Electricity, C. E. S. Phillips, 167 ; 

 the Self-induction Spark, Andr6 L^aut6, 167 ; Electro- 

 motive Force of Iodine Concentration Cells in .Alcohol 

 and Water, Principal A. B. Laurie, 167 ; Principles of 

 Direct-current Electrical Engineering, J. R. Barr, 172 ; 

 Single Circuit Induction Coil, B. F. Bailey, 181 ; Recent 

 Developments in Electric Lamps, Maurice Solomon, 

 183 ; Effect of an Angle in a Wire Conductor on Spark 

 Discharge, Prof. F. E. Nipher, 188; Electrical Resist- 

 ance of Spark Gaps, Dr. R. A. Houston, 191 ; Treat- 

 ment of Aneurism by Electrolysis, Dr. Dawson Turner, 

 191 ; Arrangement for producing almost Constant Direct 

 Currents of High Potential, O. M. Corbino, 206 ; Trans- 

 mission of Signals by Electromagnetic Induction between 

 Oscillatory Circuits and their Reception by Means of 

 a Glow-lamp Detector, Dr. J. A. Fleming, F.R.S., 208; 

 Resistance of a Conductor of Uniform Thickness whose 

 Breadth Suddenly Changes, Prof. C. H. Lees, 215 ; 

 the Inductance of Two Parallel Wires, Dr. J. W. 

 Nicholson, 215; .Artificial Production of .Aurora Borealis, 

 P. Villard, 231 ; an Introduction to Electricity, Bruno 

 Kolbe, 243 ; Effect observed when Palladium Foil is 

 Heated in Air at a Low Pressure, Rev. H. V. Gill, 262 ; 

 Influence of Temperature on the Electromotive Force 

 of the Cadmium Element, R. Jouaust, 263 ; Tungsten 

 Lamps for High Voltages, 2S0 ; Crystal Rectifiers for 

 Electric Currents and Electric Oscillations, G. W. Pierce, 

 280; Theorie der Elektrizitat, Dr. .A. FoppI, 316; Pro- 

 tective Devices for High-tension Transmission Circuits, 

 J. S. Peck, 307 ; Seleno-aluminium Bridges, Prof. 

 George M. Minchin, F.R.S., 310; Electric and Mag- 

 netic Double Refraction of Nitrobenzene, Variation with 

 the W.ave-length, A. Cotton and H. Mouton, 311 ; Pro- 

 ceedings of "the Royal Society : Obituary Notice of 

 William Thomson, Baron Kelvin, Prof. J. Larmor, 323 ; 

 Lord Kelvin, an Account of his Scientific Life and Work, 

 Dr. Andrew Gray, F.R.S., 323; Kelvin in the Sixties, 

 Prof. W. E. Ayrton, F.R.S., 323 ; the Kelvin Lecture, 

 Prof. Silvanus P. Thompson, F.R.S., 323; the Dis- 

 tributed Capacity of Resistance Boxes, .A. H. Taylor and 

 E. H. Williams, 329 ; a Pendulum Electrically Driven, 

 C. F^ry, 329; Electricity in Agriculture, J. E. Newman 

 and R. Bomford, Sir Oliver Lodge, F.R.S., 331 ; a 

 Tantalum Wave-detector, L. H. Walter, 335 ; an 

 Absolute Torsion Electrometer, E. Salmon, 350 ; 

 Measurement of the Current through a Rbntgen Ray 

 Tube, W. Duddell, 350 ; the Electrochemistry of Light, 

 Wilder D. Bancroft, 356 ; the Electric Arc between a 

 Solid Electrode and a Liquid, G. Athanasiadis, 359 ; 

 die Elektrizitat als Licht und Kraftquelle, Dr. P. Ever- 

 sheim, 365 ; Bimetallic Mirrors made by Electro- 

 deposition, Earl of Rosse, K.P., F.R.S., 366; Electrical 

 Method of Counting the Number of a Particles from 

 Radioractive, Substances, Prof. E. Rutherford, F.R.S., 

 and Dr. H. Geiger, 383 ; New Application of Super- 

 position without Confusion of Small Electric Oscilla- 

 tions in the same Circuit, E. Mercadier, 384 ; Form of 

 Cadmium Cell for supplying a Small Constant Current, 

 G. A. Hulett, 401 ; Hailstorm which Followed the Path 

 of a High-tension Circuit, J. VioUe, 40S ; Industrial 

 Electrical Measuring Instruments, Kenelm Edgcumhe, 

 411; Nature of Streamers in the Electric Spark, Dr. 

 S. R. Milner, 439; Electricity, What is It? W. Den- 

 ham Verschoyle, 47:; ; Radio-telegraphy, C. C. F. 

 Monckton, 505 ; Electrical Qualities of Porcelain, Dr. 

 H. F. Haworth, 534; the Mathematical Theory of Elec- 

 tricity and Magnetism, Prof. J. H. Jeans, F.R.S., Dr. 

 C. Chree, F.R.S., i;37 ; the Thermoelectricity of Cobalt, 

 H. Pfchcux, 566 ; international Conference on Electrical 

 Units and Standards, 574, 678 ; Opening Speech by 

 Winston Churchill, M.P., 609; the Influence of Humidity 

 on Resistances, Messrs. Rosa and Babcock, 5.S3 ; Par- 

 thenogenesis by Electricar Charges, Yves Delage, 591;; 

 Wehnelt's Interrupter, Paul Bary, 596; Studies on the 

 Association in Series and in Parallel of Electrolytic 

 Detectors, M. J^gou, 626 ; Science and Industries, Mr. 

 Haldane at Institution of Electrical Engineers, 674 

 Electro-therapeutics, Rontgen Rays and, with Chapters on 



Radium and Phototherapy, Dr. M. K. Kassabinn, 388 

 Elgie (J. H.), Auroral Display on September 29, 642 



