Supplement to NatitrcC\ 

 May 31, 1894 J 



Index 



XV 



Brussels, 180; Electric Strength of Solid, Liquid, and Gaseous 

 Dielectrics, A. Macfarlane and G. W. Pierce, 181 ; a Modi- 

 fied form of Thomson Quadrant Electrometer, Herr F. 

 Himstedt, 181 ; a very Sensitive Idiostatic Electrometer, 

 Prof. A. Righi, 606 ; the Swiss Experiments upon the use of 

 Electricity gained from Water, 182; Utilisation of Water- 

 power on Seine-Saone Canal, M. Galliot, 272 ; Potentiometer 

 for Alternating Currents, James Swinburne, 190 ; Calculation 

 of Coefficient of Self-induction of Circular Current of given 

 aperture and Cross-section, Prof. G. M. Minchin, 190; Mag- 

 netic Field of Current running in Cylindrical Coil, Prof. G. 

 M. Minchin, 190; Experiments in Devices for Compensating 

 Hysteresis of Iron used for Measuring Instruments, Messrs. 

 Field and Walker, 206 ; Ewart's Investigations on Electric 

 Fishes, Prof. Gustav Fritsch, 222 ; the Effects of Light on 

 the Electrical Discharge, 226 ; Propagation of Electricity, 

 H. Poincare, 239 ; Death of Prof. Hertz, 251 ; Novel Method 

 of obtaining Sinusoidal Alternating Currents of very Low 

 Frequency, Lieut. F. J. Patten, 253 ; Experiments on Elec- 

 trical Convection in Air, M. Hurmuzescu, 254 ; a Dynamical 

 Theory of the Electric and Luminiferous Medium, Dr. Joseph 

 Larmor, F. R. S., 260, 280; Electromotive Force from the 

 Light of the Stars, Prof. Geo. M. Minchin, 269 ; M. Violle 

 on the Electric Arc, 272 ; Experiments on Electric Arc in 

 Alternating Circuit, G. Claude, 441 ; a Liquid Commutator 

 for Sinusoidal Currents, Prof. J. A. Ewing, F.R.S., 317; 

 Peculiarities of Deposit of Silver on Platinum, U. Behn, 

 321 ; Minimum Electromotive Force necessary for Electrolysis 

 of Dissolved Alkaline Salts, C. Nourrisson, 331 ; Dynamos, 

 Alternators, and Transformers, Gisbert Kapp, 337 ; Polarisa- 

 tion Phenomena upon Thin Metal Partitions, Dr. Arons and 

 John Daniel, 347 ; Polarisation upon a Thin Metal partition 

 as a Voltameter, John Daniel, 460 ; the Thermo-electric 

 Diagram for some Pure Metals, 347 ; Nikola Tesla, T. C. 

 Martin, 352 ; Electric Alarm Thermometer for Laboratory 

 Ovens, M. Barille, 355 ; Notes on Recent Researches in 

 Electricity and Magnetism, J. J. Thomson, F. R. S., Prof. A. 

 Gray, 357 ; Dielectrine, a New Insulating Material, Mr. 

 Hurmuzescu, 370; How to Manage the Dynamo, S. R. 

 Bottone, 363 ; Galvanic Deposits arranged in Streaks, U. 

 Behn, 376 ; Polarisation of Solid Deposits between Electro- 

 lytes, P. Springmann, 376 ; Electricity of Drops, Prof. J. J. 

 Thomson, 378 ; Lectures on Maxwell's Theory of Electricity 

 and Light, Dr. Ludwig Boltzmann, 381 ; Electrical Experi- 

 ments, G. E. Bonney, 386 ; on M. Mercadier's Test of the 

 Relative Validity of the Electrostatic and Electro-magnetic 

 Systems of Dimensions, Prof. Arthur Riicker, F. R. S., 387 ; 

 Dr. G. Johnstone Stoney, F. R. S., 432 ; the Benzeville- 

 Havre Railway Experiments, 395 ; Conductibility of Discon- 

 tinuous Conducting Substances, Edward Branly, 404 ; 

 Chapters on Electricity, Samuel Sheldon, 411 ; Measurement 

 of Capacity of Condensers under Alternating Currents, J- 

 Sahulka, 417; a Text-book on Electromagnetism and the 

 Construction of Dynamos, Dugald C. Jackson, Prof. A. 

 Gray, 429 ; a New Electrical Theorem, T. H. Blakesley, 

 450; Current-Sheets, R. H. D. Mayall, 452^ New form of 

 Electrical Machine, M. Bonetti, 460; Electrical Sanitation, 

 469 ; the Construction of Drum Armatures and Commutators, 

 F. M. Weymouth, E. Wilson, 478 ; the Point of Application 

 of Electromagnetic Forces, M. Pellat, 488 ; P. Lenard's 

 Observations on the Cathode Rays in Gases with High 

 Vacua, Prof. Fitzgerald, 509 ; Point of Application 

 of Mechanical Force experienced by Conductor con- 

 veying Current in Magnetic Field, M. Pellat, 560 ; New 

 Method of Studying Discharge, N. Piltchikoff, 540 ; 

 Earth Currents, W. H. Preece, F.R.S., 554; Electric 

 Traction, E. F. Bamber, 567 ; Death of Paul Jablochkoff, 

 558 ; Difference of Potential between Aqueous and 

 Alcoholic Solutions of same Salt, A. Campetti, 560 ; 

 Communication between Lighthouses and Lightships without 

 Submarine Cable, C. A. Stevenson, 581 ; Improved Form 

 of Blackburn's Pendulum for Slow Production of Lissajous's 

 Figures, Prof. A. Righi, 582 ; Lecture Demonstration and 

 Electrolysis of Hydrochloric Acid, Prof. Lothar Meyer, 584; 

 Transparent Conducting Screens for Electric and other 

 Apparatus, Prof. W. E. Ayrton, F.R.S., and T. Mather, 

 591 ; Prof, Bornstein on Electric Measurements made during 

 Balloon Ascents, 595 ; the Magnetisation of Iron and Nickel 

 Wires by Rapid Electrical Oscillations, Prof. Klemencic, 

 607; the Development of Electrical Engineering, Prof. 



Kennedy, 608 ; on an Electrochemical Method of 

 Observation of Alternating Currents, P. Janet, 620 

 Elfving (Prof. F.), on the Irritability of Plants, 466 

 Elgar (Dr. Francis), the Loss of H.M.S. Victoria, 102, 124, 



151 



Elliptic Functions, the Applications of, Alfred George Green- 

 hill, F.R.S., H. F, Baker, 359 



Elliptic Motions, a Simple Contrivance for Compounding, 

 G. H. Bryan, 498 



Ellis (William, F. R.S.), Correlation of Solar and Magnetic 

 Phenomena, 30, 53, 78, 245 



Emerson (Prof. B. K.), Recovery of, 129 



Emin Pasha, Proposed Monument to, 134 



Energy, the Nomenclature of Radiant, Prof. Simon Newcomb, 

 F.R.S., 100; Prof. G. F. Fitzgerald, 149; Prof. A. N. 

 Pearson, 389 



Engineering : Institution of Mechanical Engineers, 18, 350, 

 608 ; the Artificial Lighting of Workshops, B. A. Dobson, 

 18 ; Steam Pumps on Russian Railways, Alexander 

 Borodin, 19 ; Effect of Reversing Screw of Steam- 

 ship on Steering, Captain Bain, 208 ; Marine Engine 

 Trials ; Abstract of Results of Research Committee, Prof. 

 T. H. Beare, 350 ; a Text-book on Gas, Oil, and Air 

 Engines, Bryan Donkin, N. J. Lockyer, 430; the Falls 

 of Niagara and its Water Power, 382 ; the Grafton High 

 Speed Steam-engine, E. W. Anderson, 610 ; the Development 

 of Electrical Engineerine, Prof. Kennedy, 608 



England, Earthquake in West of, 34 



England and Wales, Geological Survey of, 495 



English Spiders, further Notes and Observations upon the 

 Instinct of some Common, R. I. Pocock, 60 



Entomology: Collecting in the Transvaal, 12; Entomological 

 Society, 23, 95, 190, 330, 378, 475, 522, 571, 619 ; the 

 Reproduction of Wasps, Paul Marchal, 47 ; Further Notes 

 and Observations upon the Instinct of some Common English 

 Spiders, R. I. Pocock, 60 ; Protective Habit in a Spider, 

 Prof. C. Lloyd Morgan, 102 ; Mimicry by Spider, 207 ; the 

 Silk-Spider of Madagascar, Dr. Karl Miiller, 253 ; Notes on 

 the Habits of a Jamaican Spider, Prof. T. D. A. Cockerell, 

 412 ; Death of Dr. H. A. Hazen, 63 ; the Sugar-cane Moth, 

 A. S. Skiff, 64 ; Method of Showing Geographical Distribu- 

 tion of Insects in Collections, Prof. E. B. Poulton, F.R. S., 

 95 ; Dr. Livingstone and the Zambesi Ants, 95 ; the 

 Nematodes of the Pharyngean Glands of Ants, Charles 

 Janet, 119; White Ants, Dr. D. Sharp, F.R.S., 522 ; our 

 Flousehold Insects, an Account of the Insect Pests found 

 in Dwelling-houses, Edward A. Butler, 147 ; the Gipsy Moth 

 Plague in Massachusetts, 231 ; Dried Locusts as Food for 

 Insectivorous Cage and Game Birds, Dr. Giinther, E. C. 

 Cotes, 253 ; Insect Attacks on Crops and Trees, Miss E. A. 

 Ormerod, 253; Report of Observations of Injurious Insects 

 and Common Farm Pests during the Year 1893, Eleanor A. 

 Ormerod, 480 ; Proposed Quarantine Legislation against 

 Insect Pests in California, 508 ; Romance of the Insect World, 

 L. N. Badenoch, 314 ; our Knowledge of the Acari, A. D. 

 Michael, 330 ; Netherlands Entomological Society, 332 ; 

 Vertical Distribution of British Lepidoptera, W. H. Bath, 346 ; 

 Morphology of Pedipalpi, Malcolm Laurie, 378 ; the Beetles 

 of New Zealand, W. F. Kirby, 459 ; Insect Sight and Defin- 

 ing Power of Composite Eyes, A. Mallock, 472 ; Anatomy of 

 the Trachean System of the Larva; of Hymenoptera, M. 

 Bordas, 524 ; Centipedes and their Young, F. W. Urich, 

 531 ; Death of J. Jenner Weir, 538, 571 ; a Specimen of 

 Gaudaritis flavata (Moore) from the Khari Hills, G. F. 

 Hampson, 571 ; Bees and Dead Carcases, W. F. Kirby, 

 555 ; Mimicry of Hemiptera by Lepidoptera, G. A. G. 

 Rothney, 619 



Entomostraca and Surface-Film of Water, D. G. Scourfield, 



474 

 Eozoonal Structure of the Ejected Blocks of Monte Somma, 

 Dr. J. W. Gregory and Prof. H. J. Johnston -Lavis, 



499 

 Ephemeris for Denning's Comet {a 1894), 586 

 Epidemic Influenza, Hon. R. Russell, 210 

 Epilepsy and Errors of Refraction in Eye, Relationship between, 



H. W. Dodd, 395 

 Epping Forest Local Museum, Proposed, 393 

 Epping Forest, the Recent Operations in, 605 

 Equatorial Africa, the Natural History of East, Dr, J. W. 



Gregory, 12 



