Index 



V Supplentent to Nature, 

 L June II, 1896 



116; Dr. Pearsall, 1 16; Prof. Sollas, 116; the Place of 

 Pithecanthropis in the Genealogical Tree, 245 



Dufau (E.), Crystallised Normal Calcium Chromite, 71 



Dulness, Mental, the Causes in Children of, Dr. Francis 

 Warner, 400 



Dumenil (M.), Mira Ceti, 565 



Dunstan (W. R.), Piperovatine, 119 ; a Difficulty in Determin- 

 ation of Nitrogen by Absolute Method, 454 



Dureau (J. B. ), Death of, 609 



Dutto (Dr. U.), Photography of Arteries in Hand with Rontgen 

 Rays, 472 



Dying out of Naturalists, the, W. T. Thiselton-Dyer, F.R.S., 

 221 



Dynamics : Dynamics, P. G. Tait, 75 ; an Elementary Treatise 

 on Rigid Dynamics, W. J. Loudon, 578 ; Associated 

 Dynamics of Top and Body under no Forces, Prof. Greenhill, 

 F.R.S., 500 



Early Swarm of Bees, an, A. Page, 510 



Earth, the Story of the, in Past Ages, Prof. H. G. Seeley, 

 F.R.S., 77 



Earth Tremors, W. L. Dallas, 390 



Earth-worms and Stream-worms, F. E. Beddard, F.R.S., 

 W. B. Benham, 74 



Earthquakes : Earthquake at Rome, 12 ; in the United States, 

 59 ; in Greece, 86 ; in Spain, 202 ; in Persia, 252 ; in 

 Mexico, 492 ; the Paramythia Earthquake of May 13-14, 

 1895, Dr. G. Agamennone, 205 ; Earthquake of January 22, 

 Prof. Albert Riggenbach, 318; Dr. M. Baratta on the 

 Florentine Earthquake, 278 ; the Diurnal Periodicity of 

 Earthquakes, Charles Davison, 498 ; the Surface Dimensions 

 of an Earthquake-Pulsation, Dr. Charles Davison, 548 



Eclipse (August 9, 1896) Expedition, the, 159 



Eclipse, the Varangerfjord Region and the forthcoming. Dr. 

 Hans Reusch, 417 



Eclipse, the coming Solar ; Data as to Cloudiness in Northern 

 Norway, Prof. H. Mohn, 544 



Eclipses in February, 328 



Eclipses and Occultations, Computations of the Times of Solar, 

 L. Cruls, 474 



Eclipsoscope, the, C. V. Zenger, 424 



Economics, Studies in, Dr. W. Smart, 149 



Edinburgh, the Royal Observatory, at, 545, 605 



Edinburgh Royal Society, 287, 335, 383, 454, 501, 599 



Edison Electrical Effect, the. Prof. J. A. Fleming, 526 



Edison (T. A.), Effect on Eyes of Rontgen Rays, 421 ; Use of 

 Calcium Tungstate with Rontgen Rays renders Photographs 

 unnecessary, 470 



Edkins (Dr. J. S.), a Manual of Physiology, G. N. Stewart, 

 266 ; Physiology, A. Macalister, 266 ; Elementary Physio- 

 logy, J. R- Ainsworth Davis, 266 



Edser (Mr. ), Rontgen Photographs taken with Jackson Tube, 



479 



Education : the Royal Commission on Secondary Education, 

 Dr. H. E. Armstrong, F.R.S., 79 ; the Growth of the Brain, 

 a Study of the Nervous System in Relation to Education, 

 H. H. Donaldson, F. A. Welby, 98 ; the Duke of Devon- 

 shire on Education, 164 ; the New Technical Educator, 171 ; 

 the Status of London University, 272 ; Vote of Convocation 

 on the Cowper Commission Scheme, 274 ; Scholarship 

 Schemes of Technical Education Committees, 332 ; Science 

 Teaching in Secondary Schools, Charles M. Stuart, 346 ; the 

 Causes of Mental Dulness in Children, Dr. Francis Warner, 

 400 ; London City Companies' Grants to Science and Educa- 

 tion, 425 ; Death of Bryan Lawrence, 543 ; the New Educa- 

 tion Bill and Local Museums, 580 ; the Place of Science in 

 Education, 607 



Edwards (Prof. George C), Elements of Geometry, 339 



Egbert (Dr. S.), Experiments with Rontgen Rays, 502 



Egypt : the Philse Excavations, 420 



Egyptian, First Steps in : a Book for Beginners, E. A. Wallis 

 Budge, 26 



Eherstein (A. van). Free Hydrazine, 328 



Eichener Lake, Reappearance of, 612 



Eimer (Dr. G. H. Theodor), Die Artbildung und Verwand- 

 schaft bei den Schmetterlingen, 265 



Ekholm (Dr. Nils), Psychrometer Studies, 238 



Eldridge (G. H. ), the Big Horn Mountains (Vermont) Anticline, 

 465 



Electricity : the Variation with Temperature of Hall Effect in 

 Bismuth, Prof. Kamerlingh Onnes, 48 ; Propagation of 

 Electrical Waves in Water, Prof. Cohn and Dr. Zeeman, 

 48, 430 ; Dr. Zeeman's Measurements on Absorption of 

 Electrical Vibrations in Electrolytes, 216 ; Dr. Zeeman's 

 Measurements on Absorption of Electrical Waves in Different 

 _ Electrolytes, 359 ; Measurements on Absorption of Electrical 

 "vibrations in Electrolytes, Dr. P. Zeeman, 564; Absorption 

 and Emission of Electric Waves by Resonance, Max Planck, 

 430 ; Tinfoil Grating as Detector for Electric Waves, T. 

 Mizuno, 60 ; Experiments on Refractive Index of Water and 

 Alcohol for Electrical Rays of Short Wave-length, D. C. Cole, 

 120; Refraction and Reflection of Electric Waves by Water 

 and Alcohol, A. D. Cole, 453 ; Interference by Electric 

 Waves, V. von Lang, 526 ; Conference on the Board of 

 Trade Revised Regulations under Electric Lighting Acts, 60, 

 87; Metallic Resistance and Radiation, Prof. Oliver J. 

 Lodge, F.R.S. , 79; Pellet's Instrument for Measuring 

 Specific Induction Capacity of Liquids and Solids, 89 ; 

 Practical Use of Wheatstone's Bridge, F. Kohlrausch, 94 ; an 

 Addition to Wheatstone's Bridge for determining Low Resist- 

 ances, J. H. Reeves, 479 ; the Absorption of Kathode Rays, 

 P. Lenard, 94 ; New Properties of Kathode Rays, Jean 

 Perrin, 239, 298 ; the Cooling Effects of Air Currents, A. 

 Overbeck, 94 ; New Method of Silvering Mirrors, Hans 

 Boas, 107 ; Electric Light to be introduced into Ceylon 

 Hindu Temple, 108 ; the Theory of Magnetic Action upon 

 Light, A. B. Basset, F.R.S., 130; Expansion produced by 

 the Electric Discharge, Miss Martin, 143 ; New Determina- 

 tion of Ratio between Electrostatic and Electromagnetic 

 Units, D. Hurmuzescu, 144 ; Determination of Ratio v of 

 Electrostatic and Electromagnetic Units, D. Hurmuzescu, 

 178; Presence of Sodium in Electrolytic Aluminium, Henri 

 Moissan, 144 ; the Manufacture of Aluminium by Electrolysis, 

 380; Solution and Electrolysis, W. C. Dampier Whetham, 

 J. W. Rodger, 146 ; Improved Electrometer, G. Guglielmo, 

 161 ; Relation between Dielectric Constant and Chemical 

 Valency of Gas, Robert Lang, 166 ; Calibration of Capillary 

 Electrometer, G. J. Burch, 167 ; the Existence of Vertical 

 Earth Air Currents in United Kingdom, Prof. Riicker, 167 ; 

 Influence of Electric Light on Vegetation, M. Bonnier, 179 ; 

 Influence of Electricity on Vegetation, Prof, A. Aloi, 179 ; 

 Atmospheric Electricity, Prof. Arthur Schuster, F.R.S., 207 ; 

 Origin of Frictional Electricity, C. Christiansen, 262 ; Di- 

 electric Constants of Mixtures and Solutions, L. Silberstein, 

 262 ; Passage of Electricity through Gases, A. Paalzon and 

 F. Neeson, 262 ; Movable Light Phenomena caused by 

 Electric Oscillations in Rarefied Gases, J. Elster and H. 

 Geitel, 262 ; Polyphase Electric Currents and Alternate 

 Current Motors, S. P. Thompson, 293 ; the French Magnetic 

 Survey of the World, 299 ; Recettes de I'Electricien, E. 

 Hospitaller, 315 ; Velocity of Propagation of Electrostatic 

 Force, Lord Kelvin, F.R.S. , 316, and Prof. A. H. Leahy, 

 364 ; the Stress in Magnetised Iron, Prof. J. A. Ewing, 

 F.R.S., 316, Dr. E. Taylor Jones, 317, Dr. C. Chree, 

 365, 533 ; Measurement of High Potential Difference, H. C. 

 Leake, R. Leventhorpe and C. S. Whitehead, 334; 

 the Electrical Manufacture of Chlorate of Potash and Calcic 

 Carbide, 349 ; Longitudinal Light, G. Jaumann, 374 ; the 

 Rontgen Rays, 377 ; R. Swyngedauw, 399 ; A. Righi, 399 ; 

 J. J. Borgman and A. L. CSerchun, 399 ; L. Benoist and D. 

 Hurmuzescu, 399 ; M. de Heen, 399 ; Electric Effects of 

 Rontgen Rays, A. Righi, 4S0 ; New Properties of Invisible 

 Radiations of Phosphorescent Bodies, Henri Becquerel, 480 ; 

 Leakage through Dielectrics traversed by Rontgen Rays, 

 Prof. J. J. Thomson and J. A. McClelland, 502 ; Experi- 

 ments with Rontgen Rays, R. E. Murray, 522 ; Discharge 

 of Electrified Bodies by X-rays, Prof. G. M. Minchin, 524; 

 Action of X-rays on Electrified Bodies, MM. Benoist and 

 Hurmuzescu, 551 ; Leakage caused by X-rays, A. Roiti, 542; 

 Electrified Rontgen Rays, A. Lafay, 600 ; Action of Rontgen 

 Rays on Double and Triple Electric Layers, N. Piltschikoff, 

 600 ; Effect of Rontgen Rays on Crookes' Radiometer, 

 Messrs. Righi, Fontana and Umani, 613 ; Influence of 

 Rontgen Rays on Induction Coil Sparks, Drs. Sella and 

 Majorana,6i6; Phosphorescence and Rontgen Rays in Crookes' 

 and Geissler's Tubes, Drs. Campanile and Stromer, 616 ; 

 Action of High Frequency Currents on Bacterial Toxines, 

 MM. d'Arsonval and Charin, 383 ; Siemens and Halske's 

 Arrangement for protecting Physical Laboratories from Effects 



