June 8. 1905J 



Index 



Pendulum at Birmingham, Dr. Davison, 589 ; Earth- 

 quakes at Perth, Western Australia, \V. E. Cooke, 613 ; 

 Earthquake in North England, 614 



East, a Doctor's \'ie\v of the, 553 



East Coast Naturalist, Notes of an, Arthur H. Patterson, 4 



Easter in 1905, the Date of, Dr. A. M. W. Downing, 

 F.R.S., 201 



Ebell (M.), Comet 1904 d (Giacobini), 256 ; Elements and 

 Ephemeris of, 211 ; Observations of, 28 1 ; Ephemeris for, 

 353 ; Ephemeris for Comet 1904 f, 281, 329 



Eclipses : Eclipse Observations, Prof. Kobold, 150 : C. W. 

 Wirtz, 159 ; Eclipse Results and Problems, M. le Comte 

 de la Baume Pluvinel, 234 ; Solar Eclipse Problems, Prof. 

 Perrine, 329 ; the Mathematical Theory of Eclipses ac- 

 cording to Chauvenet's Transformation of BessePs 

 Method, Roberdeau Buchanan, 244: the Approaching 

 Total Solar Eclipse of .August 30, Dr. William J. S. 

 Lockyer, 393 ; Observations of the Recent Eclipse of the 

 Moon, M. Puiseux, 518; Photography of the Corona 

 without a Total Eclipse, A. Hansky, 544 



Economic Resources of the North Black Hills, J. D. Irving 

 and S. E. Emmons, 450; T. A. Jaggar, jun., 450 



Economic Zoology, Second Report on, British Museum 

 (Natural History), Fred V. Theobald, 272 



Edgar (E. C), Direct Determination of the Atomic Weight 

 of Chlorine, 431 



Edinburgh : Edinburgh Royal Society, 142, 263, 3S2, 431, 

 623 ; Prize .Awards of the, 2S5 



Edridge-Green (Dr. F. W.), Two Cases of Trichromic 

 Vision, 373 



Education : .Annual Report of the Technical Education 

 Board of the London County Council, 1903-4, 34 ; 

 the Previous Examination at Cambridge, 55 ; Com- 

 pulsory Greek at Oxford and Cambridge, 128; Com- 

 pulsory Greek at Cambridge, K. B. Basset, F.R.S., 318: 

 R. Vere Laurence, H. Rackham and A. C. Seward, 

 F.R.S., 390; W. Bateson, F.R.S., 390; Welsh Confer- 

 ence on the Training of Teachers, 66 ; Lord Kelvin and 

 Glasgow Universitv, 104 ; the Question of Diet in 

 Physical Education,' Prof. T. Clifford Allbutt, iii ; Edu- 

 cation and National Efficiency in Japan, Dr. Henry Dyer, 

 130; Darwin and Greek, 231 ; .Agricultural Education and 

 Research, Prof. T. E. Sliddleton, 236 ; the Proposed 

 National League for Physical Education and Improve- 

 ment, Sir Lauder Brunton, 252 ; Report of the Inter- 

 departmental Committee on Physical Degeneration, Sir 

 Lauder Brunton, 252 ; Importance of Including both 

 Latin and Science in a -Scheme of General Education, 

 Douglas Berridge, 284 ; Use and Misuse of Terms in 

 Science Teaching, T. L. Humberstone, 284 ; the Pre- 

 paration of the Child for Science, M. E. Boole, 316; 

 .Special Method in Elementary Science for the Common 

 School, Charles \. McMurry, 316; London Conference 

 on School Hygiene, Sir .Arthur Riicker, 377 ; Death of 

 Prof. Ludwig von Tetmeyer, 420 ; State Aid for Higher 

 Education, 487 ; German Educational Exhibits at St. 

 Louis, 513 



Efificiency in Japan, Education and National, Dr. Henry 

 Dyer, 150 



Egoroff (N.), Dichroism produced by Radium in Colour- 

 less Quartz, and a Thermoelectric Phenomenon in Striated 

 Smoky Quartz, 600 



Egypt : " Find " of Royal Statues at Thebes, G. Legrain, 

 126; Medical Research in Egypt, 307; Bilharzia, Dr. 

 Symmers, 307 ; the Venom of Egyptian Scorpions, Dr. 

 Wilson, 307 ; Second Pyramid of Ghizeh Struck by 

 Lightning, 563 



Eichhorn (Dr. Gustav), die Drahtlose Telegraphic, 220 



Electricity : Wireless Telegraphy, C. H. Sewall, i ; Elec- 

 tricity in .Agriculture and Horticulture, Prof. S. Lem- 

 strom, I : Modern Electric Practice, i ; the Theory of the 

 Lead .Accumulator, F. Dolezaiek, i : Electric Motors, 

 H. M. Hobart, i ; Notices sur I'Electricit^, .A. Cornu, i ; 

 r.Ann^e Technique (1902-1903), -A. Da Cunha, i : the 

 International Electrical Congress at St. Louis, 41 ; a New 

 Safety -Arrangement for Electrical Mains at High Ten- 

 sion, L. Neu, 47 : Jahrbuch der Radioaktivitat und 

 Elektronik, 33 ; Electrolytic Preparation of Titanous Sul- 

 phate, W. H. Evans, 71 ; Map showing the Long Dis- 

 tance Power Transmission Lines in California, 88; Corr., 

 113; Electrolysis of Acid Solutions of Aniline, L. Gil- 

 christ, 88; New Electrical Instruments, R. W. Paul, 95; 



Practical Determination of the Mean Spherical Candle>- 

 Power of Incandescent and Arc Lamps, G. B. Dyke, 95 ; 

 the Bleaching of Flour by Electricity, M. Balland, 96; 

 Influence of the Nature of the -Anode on the Electrolytic 

 Oxidation of Potassium Ferrocyanide, Andr^ Brochet and 

 Joseph Petit, 119; Electricity in the Service of Man. 

 R. M. Walmsley, 124; Obituary Notice of Prof. Karl 

 Selim Lemstrom, Prof. -Arthur Rindell, 129 ; Measure- 

 ments by Photometric Methods of the Temperature of the 

 Electric Arc, C. W. Waidner and G. K- Burgess, 132 ; 

 Electrical Conductivity and other Properties of Sodium 

 Hydroxide in Aqueous Solution, W- R- Bousfield and 

 T.' M. Lowry, 141 ; Pollak-Virag High-speed Writing- 

 Telegraph, 156 ; the Charge of the a Rays from Polonium, 

 Prof. Thomson, F.R.S., 166 ; Researches on Dielectric 

 Solids, A'. Cr^mieu and L. Malcl^s, 167; the Becqueref 

 Ravs and the Properties of Radium, Hon. R. J- Strutt, 

 Dr.' O. W. Richardson, 172 ; Calcium Metal. R. S. 

 Hutton, 180 ; Direct Communication Established betweerr 

 Liverpool and Teheran, 181 ; a High Frequency Al- 

 ternator, W. Duddell, 190; Experiments to show the 

 Retardation of the Signalling Current of the Pacific 

 Cable, Prof. W. E. -Ayrton, 190 ; on a Rapid Method of 

 .Approximate Harmonic Analysis, Prof. S. P- Thompson, 

 too ; Reversal of Charge froin Electrical Induction 

 Machines, George W. Walker, 221 ; R. Langton Cole, 

 249 ; Theorv of Amphoteric Electrolvtes, Prof. James 

 Walker, F.'R.S., 238 ; Electrolvtic Analvsis of Cobalt 

 and Nickel, Dr. F. Mollwo Perkin and W. C. Prebble 

 239 ; Electrolysis of Tin, F. Gelstharp, 239 ; Electrical 

 Conductivity of Colloidal Solutions, G. Malfitano, 240 ; 

 Report of the Commission appointed by Clifford Sifton, 

 Minister of the Interior, Ottawa, Canada, to Investigate 

 the Different Electrothermic Processes for the .Smelting 

 of Iron Ores and the Making of Steel in Europe, Prof. 

 J. O. -Arnold, 258 ; Effect of Temperature on the Thermal 

 Conductivities of some Electrical Insulators, Dr- Charles 

 H. Lees, 262 ; Measurement of the Conductivity of Di- 

 electrics by Means of Ionised Gases, Charles Nordmann,. 

 263 ; Higher-Text-book of Magnetism and Electricity, 

 Dr. R. Wallace Stewart, 270 ; Reversal of Charge from 

 Electrical* Induction Machines, V. Schaffers, 274; the 

 Construction of Simple Electroscopes for Experiments on 

 Radio-activity, Dr. O. W'- Richardson, 274 ; Reversal in 

 Influence Machines, Charles E. Benham, 320 ; Death and 

 Obituary Notice of Victor Serrin, 325 ; Galvanic Cells 

 produced by the Action of Light, Dr. M. Wilderman, 

 333 ; Electrical Pendulum with Free Escapement, Ch. 

 F^ry, 333 ; Action of Radium on the Electric Spark, Dr. 

 R- S- Willows and J- Peck, 358; Simplified Deduction 

 of the FieBd and the Forces of an Electron moving in 

 anv given Way, Prof- Sommerfeld. 373 ; Mass Analysis 

 of Muntz's Metal by Electrolysis, and the Electric Pro- 

 perties of this Alloy, J- G. A. Rhodin, 381 ; a Syn- 

 chronising Electromagnetic Brake, Henri .Abraham, 383 ; 

 Drift produced in Ions by Electromagnetic Disturbances, 

 and a Theory of Radio-activity, George W. Walker, 406 ; 

 Automatic Registration of Atmospheric lonisation, 

 Charles Nordmann, 407 ; Electrolysis of Organic Acids 

 bv Means of the Alternating Current, .Andre Brochet and 

 Joseph Petit, 407 ; Elements of Electromagnetic Theory, 

 S. J. Barnett, G. F. C. Searle, 409 ; Non-electrification 

 of 7 Rays, Prof. Thomson, F.R-S., 430; Electrical Effects 

 of Drvness of -Atmosphere at Winnipeg, Prof. A. H. R. 

 Buller, 44S ; Surface Tension of a Dielectric in the 

 Electric Field, Ch. Fortin, 455 ; Influence of Strong 

 Electromagnetic Fields on the Spark Spectra of some 

 Metals, J. E- Purvis, 479 ; Electrolytic Solution of Plat- 

 inum in Sulphuric Acid, Andr^ Brochet and Joseph Petit, 

 470 ; Action of Radium Bromide on the Electrical Re- 

 sistance of Metals, Bronislas Sabat, 479 ; Study of lon- 

 isation in Flames, Pierre Massoulier, 479 ; Recent De- 

 velopments in Electric Smelting in connection with Iron 

 and Steel. F- W- Harbord, 502 ; Wireless Telegraphy with 

 Circular Waves, Alessandro Artom, 317: Variation of the 

 Specific Inductive Power of Glass with the Frequency, 

 -Andri5 Broca and M. Turchini, 527 ; Death and Obituary 

 Notice of Dr- L- Bleekrode, 540 ; Interrupters for In- 

 duction Coils. 546; A'oltage Ratios of an Inverted Rotary 

 Converter, W. C- Clinton, 530 ; Electrometer with Sex- 

 tants and a Neutral Needle, M. Guinchant, 5i;i ; Modern- 

 Theory of Physical Phenomena, Radio-activity, Ions, 



