XVI 



Index 



Nature, 

 March 23, 191 1 



the Department of Public Instruction of New South | 

 Wales, Annual Report for 1909, 280 ; Educational Aims 

 and Efforts, 1880-1910, Sir Philip Magnus, 298 ; London 

 County Council Conference of Teachers, 353 ; Specialisa- 

 tion in Teaching, Mrs. Bryant, 353 ; the Relation of the 

 Memory to the Will, Dr. C. Spearman, 353 ; the Teaching 

 of Geography, B. C. Wallis, 354 ; Educational Experi- 

 ments in Schools, B. Lewis, 354 ; Conferences of Mathe- 

 matical Teachers and of Public School Science Masters, 

 385 ; Recent Advance of " the Astronomical Regiment," 

 Prof. H. H. Turner, 385 ; Teaching of Elementary 

 Mechanics, G. Goodwill, 385 ; Two Fragments of Ancient 

 Geometrical Treatises Found in the Worcester Cathedral 

 Library, Canon J. M. Wilson, 385 ; Teaching of Algebra 

 and Trigonometry, 385 ; Compulsory Science 'cersus 

 Compulsory Greek, Sir E. Ray Lankester, 385 ; Experi- 

 mental Determination of the Equivalent of Magnesium, 

 W. M. Hooton, 386 ; Mentally Deficient Children, their 

 Treatment and Training, Dr. G. E. Shuttleworth and 

 Dr. W. A. Potts. 507 ; Association of Technical Institu- 

 tions, Sir Henry Hibbert, 525 ; see also British Associa- 

 tion 

 Edwards (C. A.), New Critical Point in Copper-zinc Alloys, 



428 

 Eei-Larvas (Leptocephalus hrevirostris) from the Central 



North Atlantic, Dr. Johan Hjort, 104 

 Effront (J.), Action of the Bulgarian Ferment upon Proteid 



and Amido Substances, 194 

 Egerton (Alfred C. G.), Tribo Luminescence of Uranium, 



^308 

 Eginitis (Prof. Demetrius), the Latitude of Athens, 56 ; 



CometSry Theories, 486 

 Egvptology : Earlv Burial Customs in Egypt, Prof. W. M. 

 Flinders Petrie', F.R.S., 41 ; Prof. G. Elliot Smith, 

 F.R.S., 41 ; Egyptological Researches, W. Max Miiller, 

 165 ; the Tomb of 1 wo Brothers, Miss M. A. Murray, 332 

 Ehrenhaft (Dr. F.), Measurement of Electricity less than 



the Electro or " Atom of Electricity," 383 

 Eiffel (G.), the Resistance of Rectangular Planes Struck 



Obliquely by the Wind, 193 

 Eisens und Stahls, Die Untersuchungs-Methoden des. Dr. 



A. Riidisiile, Prof. H. C. H. Carpenter, 233 

 Elbert (Dr.), Expedition to Java in Search of the Predeces- 

 sors of the Human Race, 285 . 

 Elderton (Ethel M.), a Second Study of the Influence of 

 Parental Alcoholism on the Physique and Ability of the 

 Offspring, 479 

 Electricity : Measurement of Very Small Displacements by 

 Means of the Electrometer, Jean Villey, 34 ; Electrical 

 Purification of Liquid Sulphur Dioxide and its Electrical 

 Conductivity, J. Carvallo, 34 ; Influence of the Magnetic 

 Field on Duration of the Lines of the Spectrum Emitted 

 by Luminous Vapours in the Electric Spark, G. A. 

 Hemsalech, 65 ; on the Electricity of Rain and its Origin 

 in Thunderstorms, Dr. George C. Simpson, Dr. C. Chree, 

 F.R.S., 81 ; the Production and Use of Electric Power, 

 S. Z. de Ferranti at Institution of Electrical Engineers, 

 90 ; a Spectroscopic Investigation of the Nature of the 

 Carriers of Positive Electricity from Heated Aluminium 

 Phosphate, Dr. F, Horton, 95 ; Action of a Magnetic 

 Field on the Electric Discharge, Eugene Bloch, 97-8 ; a 

 Treatise on Electrical Theory and the Problem of the 

 Universe, Considered from the Physical Point of View, 

 with Mathematical Appendices, G. W. de Tunzelmann, 

 99 : Practical Electrical Engineering for Elementary 

 Students, W. S. Ibbetson, 135 ; Practical Electricity and 

 Magnetism, R. Elliott Steel, 135 ; Elementary Experi- 

 mental Electricity and Magnetism, W. T. Clough, 135 ; 

 Theory of the Chemical Action of the Electric Discharge 

 in Electrolytic Gas and Other Gases, P. J. Kirby, 192 ; 

 an Electrostatic Voltmeter for Photographic Recording 

 of the Atmospheric Potential, G. W. Walker, 192 ; 

 Efficiency of Metallic Filament Lamps, Dri R. A. 

 Houston, 193 ; Magnetic Properties of Iron at High Fre- 

 quencies, R. Jouaust, 193 ; the Electric Stress at which 

 lonisation begins in Air, Dr. A. Russell, 225 ; Afterglow 

 '^f Electric Discharge, Prof. R. J. Strutt, 226 ; Two 

 Pieces of Metal Lightly Touching do not in general form 

 an Electrical Contact when the Difference of Potential is 

 Small, G. Lippmann, 227 ; Reception of the Hertzian 

 Time Signal from the Eiffel Tower, Paul J^gou, 227 ; 



Discharge of Positive Electricity from Sodium Phosphate 

 heated in Different Gases, F. Horton, 261; Atmospheric 

 Electricity, Dr. G. A. Curse and D. MacOwan, 281 ; 

 Darkening of the Glass Bulbs of Osram Lamps due to the 

 use of Slight Amount of Copper in the Leading-in Wires, 

 Prof. G. W. O. Howe, 281 ; Suggestion to Balance 

 Residual Inductance and Capacity, Dr. E. Orlich, 282 ; 

 Recent Progress in Electric Lighting, Prof. E. W. Mar- 

 chant at Illuminating Engineering Society, 289 ; Appara- 

 tus for the Rapid Electro-.Analvtical Determination of 

 Metals, Dr. H. J. S. Sand and' W. M. Smalley, 360; 

 Measurements of Electricity less than the Electro or 

 "Atom of Electricity," Dr. F. Ehrenhaft, 383; Sub-marine 

 Cables for Long-distance Telephone Circuits, Major 

 O'Meara, 383 ; liistribution of Electric Force in the 

 Crookes Dark Space, F. W. Aston, 394 ; Electrical Pro- 

 perties of the Aluminium-Magnesium Alloys, Witold 

 Broniewski, 395 ; the Theory of lonisation of Gases by 

 Collision, Prof. John S. Townsend, F.R.S., 400; 

 Solenoids Electromagnets and Electromagnetic Windings, 

 Charles R. Underbill, Prof. Gisbert Kapp, 432 ; the 

 Afterglow of Electric Discharge in Nitrogen, Hon. R. J. 

 Strutt, . F.R.S., 439 ; Atmospheric Electricity over the 

 Ocean, Dr. G. C. .Simpson and C. S. Wright, 462 ; 

 Electric Motors, Henry M. Hobart, Stanley P. Smith, 

 468 ; Arc Lamp having a Mercury Kathode and Giving 

 White Light, E. Urbain, CI. Seal, and A. Feige, 497 ; 

 Electric Circuit Problems in Mines and Factories, E. H. 

 Crapper, Prof. Gisbert Kapp, 503 ; Exercises in Electrical 

 Engineering for the Use of Second-year Students in Uni- 

 versities and Technical Colleges, Prof. T. Mather, 

 F.R.S., and Prof. G. W. O. Howe, Prof. Gisbert Kapp, 

 503 ; the Electromotive Force of Standard Cells, Dr. 

 R. T. Glazebrook, F.R.S., 508 ; Report of the Berlin 

 Meeting of the Commission on Terrestrial Magnetism and 

 Atmospheric Electricity, 522 ; the International Volt, 522 ; 

 Experimental Measurement of the High-frequency Resist- 

 ance of Wires, Prof. J. A. Fleming, 530 ; Measurements 

 of Energy Losses in Condensers traversed by High- 

 frequency Electric Oscillations, Prof. J. A. Fleming and 

 G. B. Dyke, 530 ; Some Resonance Curves Taken with 

 Impact and .Spark-ball Dischargers, Prof. J. A. Fleming 

 and G. B. Dyke, 531 



Electro-Metallurgy, a Treatise on, W. G. McMillan, A. 

 Mc William, 506 



Electro-physiology : Das Elektrokardigramm des gesunden 

 und kranken Menschen, Prof. Friedrich Kraus and Prof. 

 Georg Nicolai, Prof. John G. McKendrick, F.R.S., 265 



Elgie (Joseph H.), a \Iorning Meteor, 475 



Eliot (Sir Charles, K.C.M.G.), a Monograph of the British 

 Nudibranchiate Mollusca, with Figures of the Species, 



133 



Elizabethan Age, Heroes of the, E. Gilliat, 269 



Elsden (Dr. J. V.), Principles of Chemical Geology : a 

 Review of the Applications of the Equilibrium Theory to 

 Geological Problems, 100 



Ely (Eugene), Flight in a Curtis Biplane from Selfridge 

 Field, 415 



Embrvologv : Earlv Development of the Marsupialia, Prof. 

 J. P. Hill, 345 ■ 



Emmons (W. H.), a Reconnaisance of Some Mining Camps 

 in Elko, Lander, and Eureka Counties, Nevada, 420 



Empire, the Broad Stone of. Problems of Crown Colony 

 Administration, with Records of Personal Experience, Sir 

 Charles Bruce, G.C.M.G., 229 



Encyclopaedia Britannica, the, 431 



Encyclopaedia of Sport and Games, the, 274 



Encyclopddie agricole. Pisciculture, Georges Gu^naux, Dr. 

 William Wallace, 163 



Energetics : Die Forderung des Tages, Wilhelm Ostwald, 

 298 



Engineering : Progress in the Construction of the Panama 

 Canal, Fullerton L. Waldo, 21 ; Engineering and Civilisa- 

 tion, Alexander Siemens at Institution of Civil Engineers, 

 59 ; Proposed Battery of Humphrey Gas Pumps for 

 Reservoir in the Lea Valley, 86 ; the Deinhardt-Schlomann 

 Series of Technical Dictionaries in Six Languages, Alfred 

 Schlomann, 99 ; Removing Wreck of the Quebec Bridge, 

 118; Science and Engineering, Sir J. J. Thomson, F.R.S., 

 at Junior Institution of Engineers, 122 ; Practical Elec- 

 trical Engineering for Elementary Students, W. S. Ibbet- 



