Su/iplement to Naturc,~\ 

 December i, 1892 J 



Index 



Easter Island, William J. Thomson, 258 



Easter Island Inscriptions, Alleged Decipherments of the, Dr. 



A. Carroll, 494 

 Eastman (J. R.), Some Problems in the Old Astronomy, 424 

 Easton (G. W.), Aurora Australis, 368 

 Echinochrome, a Respiratory Pigment, A. B. Griffiths, 508 

 Echinoderm Fauna of Kingston Harbour, Jamaica, G. W. Field, 



40 

 Eclipses Lunar, May 11, 1892, 64, 372 

 Eclipse, the Total Solar, April 15-16, 1893, 2or ; John King 



and William Martin, 561 

 Economics of Industry, Elements of, Prof. Alfred Marshall, 



27 



Edgar (E. ): a Portable Instrument for Measuring Magnetic 

 Fields, 93 ; Experiments on Magnetized Watches, 93 



Edinburgh : Edinburgh Royal Society, 143, 262 ; Edinburgh 

 Meeting of the British Association, 316; F. Grant Ogilvie, 

 270 ; Electrical Lighting of Edinburgh, Prof. Geo. Forbes, 

 429 ; Edinburgh Summer Meeting, Vacation Courses, 449 



Edkins (Rev. Dr.), Persian Ideas in China, 522 



Education : Sex in Education, Sir James Crlchton-Browne, 

 13 ; the University Extension Movement in the United States, 

 15 ; the Edinburgh Summer Meeting, Vacation Courses, 

 449 ; the Townshend Scholarships, 449 ; Anthropology as 

 a Branch of University Education, Dr. D. G. Brinton, 39 ; 

 the National Home Reading Society, 84 ; the Association 

 tor Promoting a Teaching University for London, 253 ; 

 Agricultural Education at the University College, North 

 Wales, Bangor, 474 ; Technical Education : Sydney Tech- 

 nological Museum taken over by De.iarrment of Public 

 Instruction, 85; the Nebraska Sugar-School, 210 ; the 

 Proposed Laboratory for Electrical Engineering at University 

 College, 227 ; further Gift by Drapers' Company towards 

 Nottingham University College Technical Schools, 276 ; 

 City and G lilds of London Institute Woodwork Examination, 

 300 ; the Westminster Technical Institute, 449 



Eeden (Dr. F. van), Hypnotic Cases at Amsterdam, 363 



Egg-boiling Machine, New, M. Mesdran, 39 



Egypt : Egyptian Agriculture, Prof. Robert Wallace, 15 ; the 

 Tell el Amarna Tablets in the British Museum, 49 ; the Origin 

 of the Ancient Egyptians, Prof. G. Nicolucci, 162 ; Ancient 

 Skeletons from Medum, Dr. Garson, 433 ; on some Facial 

 Characters of the Ancient Egyptians, Prof. A. Macalister, 



.433 



Eiassi Lake, Discovery by Dr. O. Baumann of a new African 

 Lake, 280 



Eififel Tower, Experiments on Falling Bodies and Air- Resistance 

 at the, L. Cailletet and E. Colardeau, 262 



Elder, Protection against Rain in the, Alfred W. Bennett, 201 



Electricity : A Mnemonic Table for changing from Electro static 

 to Practical and C.G.S. Electromagnetic Units, W. Gleed, 

 23 ; Prof. J. J. Thomson's New Edition of Clerk Maxwell's 

 Treatise on E'ectricity and Magnetism, 38 ; an Elementary 

 Text-book of Magnetism and Electricity, R. Wallace Stewart, 

 441 ; Elements of Magnetism and Electricity, John Angell, 

 610 ; Magic Lantern illuminated by Arc Light at the Crystal 

 Palace, 39 ; Vacuum Tubes without Electrodes, Dr. 

 Bottomley, 44 ; Electric Sparks in and to Water, Prof. Oliver 

 Lodge, 44 ; Electric Retina, Prof. Oliver Lodge, 44 ; Experi- 

 ments of Electric Currents of High Potential and Extreme 

 Frequency a la Tesla, W. Crookes, 44 ; New Electrical 

 Method of Determining very High Temperatures, Prof. H. 

 Le Chatelier, 45 ; Electric Tram Chronograph, Rev. F. J. 

 Smith, 45 ; on the Laws of Electrolysis, A. Chassy, 47 ; 

 the Art of Internal Illumination of Buildings by, W. H. Preece, 

 F.R.S., 62; the Crocker-Wheeler Motor for Catling 

 Gun, W. B. L. Hamilton, 62 ; Mr. George Forbes and the 

 Catiract Construction Company for Transmission of Elec- 

 trical Power from Niagara Falls to Buffalo, 84 ; Trans- 

 formers, 90; a New Ballistic Galvanometer, F. H. Nalder, 

 93 ; a Portable Instrument for Measuring Magnetic Fields, 

 Edgar and Stansfeld, 93 ; Experiments on Magnetized 

 Watches, Edgar and Stansfeld, 93 ; Institution of Elec- 

 trical Engineers: the Salomons Scholarship, 131; the 

 Proposed Electrical Engineering Laboratory at University 

 College, 227 ; Electrical Engineering as a Profession, and 

 How to Enter it, A D. Southam, 608 ; Difficulty of Obtain- 

 ing Iron adapted for Electrical Parpo-es in United States, 

 W. S. Key, 133 ; the Pressure at which Electrical Strength 

 of Gas is a Minimum, Prof. J. J. Thomson, 143 j Propaga- 



tion of Electrical Oscillation, H. Poincare, 144; Absolute 

 Electrometer for Lecture Purposes, Prof. F. Braun, 150 ; 

 a New Electrolytic Galvanometer, J, Joly, 167 ; a New De- 

 termination of Ratio V between Electro-magnetic and 

 Electrostatic C.G.S. Units, H. Abraham, 168; Burning 

 Nitrogen, W. Crookes, F.R.S., 185; the Oxidation of 

 Nitrogen by Means of Electric Sparks, Dr. V. Lepel, 210 ; 

 Current Curves, Major R. L. Hippesley, 187 ; Electro- 

 dynamics as Affected by the Nature of the Mechanical 

 Stresses in Excited Dielectrics, the Theory of, J. Larmor, 

 189 ; Improved Form of Electrodynamometer f)r Measure- 

 ment of Telephonic Currents, P. J. Kipp and Sons, 399 ; the 

 Co-existence of Dialectric Power and Electrolytic Conduc- 

 tivity, E. Bouty, 192 ; the National Electrical Exhibition at 

 the Crystal Palace, 176; the Coronoidal Discharges, M. I. 

 Pupin, 2ir; a New Form of Air Leyden, Lord Kelvin, 

 P. R.S., 212; Some Points Connected with Electromotive 

 Force of Secondary Batteries, Dr. Gladstone and W. Hib- 

 bert, 214 ; Workshop, Ballistic, and other Shielded Gal- 

 vanometers, Prof. W. E, Ayrton, F.R.S., andT. Mather, 

 214; a Guide to Electric Lighting, S. R. Bottone, 221 ; 

 Electric Light Cahles, 290 ; Electrical Lighting of Edin- 

 burgh, Prof. Geo. Forbes, 429 ; Influence of Electric Light 

 upon Tree- Structure, Gaston Bonnier, 532 ; Lepidoptera and 

 the Electric Light, D. S. Stewart, 550 ; Effect of Electric Light 

 on Herbaceous Plants, Gaston Bonnier, 580 ; the Electric 

 Current, Edward Hamilton, 223 ; the Future of Electricity, 

 Prof. E. J. Houston, 229 ; the Rationalization of the 

 Dimensional Formulae of Electrical Quantities, W. Williams, 

 237 ; Breath Figures, W. B. Croft, Rev. F. J. Smith, and 

 Prof S. P. Thompson, 236 ; Measurement of Internal 

 Resistance of Cells, E. Wythe Smith, 237 ; Electro- 

 Therapeutics, Physiological Effects of Alternating Currents 

 with Sinusoidal Variations, A. d'Arsonval, 240; Execution 

 by Electricity in New York State, Dr. C. F. Macdonald, 

 256 ; the Herring Fishery and the Electric Telegraph, 278 ; 

 Distribution de I'Electricite, R. V. Picou, 291 ; the 

 Position of 4* Electromagnetic Units, Prof. Oliver J. Lodge, 

 F.R.S., 292; Oliver Heaviside,F.R.S , 292; Dynamo- Electric 

 Machinery, Prof. A. Gray, F.R.S., 296 ; Method of Increasing 

 Range of the Capillary Electrometer, John Whitmore, 311 ;^ 

 the Measurement of the Dielectric Constant, A. Perot, 312 ; 

 the British Association on Electrical Standards, Prof Oliver J. 

 Lodge, F.R S., 334; Electricity in Navy, H. E. Deadman, 337; 

 Mr. Compton, 338 ; Velocity of Propagation of Electromag- 

 netic Undulations in Insulating Media, R. Blond, 340 ; 

 Report on the Discharge of Electricity from Points, 383 ; Re- 

 port on Electrical Standards, 383 ; Wire Standards of Elec- 

 tric Resistance, Dr. Lindeck, 383 ; on Primary and Secondary 

 Cells in which the Electrolyte is a Gas, Prof. Schuster, 384 ; 

 Experiments on the Electric Resistance of Metallic Powders, 

 Dr. Dawson Turner, 384 ; on Dispersion in Double Refrac - 

 tion due to Electric Stress, Dr. John Kerr, 385 ; a Property 

 of Lamellar Bimetallic Conductors submitted to Electromag- 

 netic Induction, Ch. Reignier and G. Parrot, 387 ; Prof 

 Crum Brown on Electrolytic Synthesis, 401 ; on the Origin of 

 the Electric Nerves in the Torpedo, Gymnotus, Mormyrus, 

 and Malaperurus, Prof. G. Fritsch, 404 ; the World's Con- 

 gress of 1893, Prof. Elisha Gray, 450 ; Electric Locomotives, 

 Alex. Siemens, 429 ; New Design of Electric Locomotive, 

 E. H. Woods, 430 ; Prof Elihu Thomson's Prize for the De- 

 velopment of Theoretical Knowledge of Electricity, 451 ; 

 Magnetic Disturbances caused by Electric Railways, Prof. F. 

 P. Whitman, 455; Electro- Metallurgy, J. Wilson Swan, 478; 

 Electricity of WaterfaIN, Ph. Lenard, 484 ; a Phosphoroscope 

 with Spark Illumination, Ph. Lenard, 484 ; a New Form of 

 Induction Apparatus, J. Morin, 484 ; a Pocket-book of Elec- 

 trical Rules and Tables, John Munro and Andrew Jamieson, 

 486; Generalization of " Mercator's " Projection performed 

 by aid of Electrical Instruments, Lord Kelvin, P. R.S., 490 ; 

 Thermal Variation of Electrical Resistance of Mercury, C. E. 

 Guillaume, 508 ; Electrical Heating for Conservatories, M. 

 Olivet, 522 ; the Liverpool Overhead Railway, J. H. Great- 

 head, 526 ; Production of Heriz Oscillator Spark in Liquid 

 Dielectric instead of Air, Sarasin and De la"i Rive, 532 

 Luminous Fountain built by M. G. Trouve for Mme. Paiti at 

 Craig y-Nos, 549 ; the Individual Properiiesof Metals in Ab- 

 sorbing the Energy of Electric Waves, V. Bjerknes, 573 ; 

 Method of Exhibiting Hertzian Oscillations to a large 

 Audience, L. Zehnder, 573 ; Phenomena exhibited at Nega- 



