[Na/urt, June II, lS 



Electricity : Electric Light for Lighthouses and Ships, A. Ainslie 

 Common, 125 ; Electrical Lighting of Private Houses in 

 Paris, 298 ; Semaphore and Electric Light at Shanghai, 603 ; 

 Effect of Electrical Current on Rate of Thinning of Liquid 

 Films, Prof. Reinold, 186 ; Electrical and Magnetic Measure- 

 ment, Exercises in, R. E. Day, 262 ; Electrical Units, Dr. R. 

 Wormell, 314; Electrical Exhibition at the Paris Observatory, 

 491 ; Electrician's Pocket-Book, G. Wigan, Prof. A. Gray, 

 51 ; International Society of Electricians, 180 ; Dr. C. R. A. 

 Wright on Voltaic and Thermo-Voltaic Constants, 47 ; Prof. 

 Guthrie's Text-Book of Electricity and Magnetism, 156 ; 

 the Bartoli Cell, 203 ; the Pabst Cell, 203 ; Electric Con- 

 ductivity of Phosphide of Tin Wire, 203; Jablochkoff's 

 New Battery, 203; on the Analogy between Heat and Elec- 

 tricity, Prof. G. F. Fitzgerald, F.R.S., 210 ; Ballooning and 

 Electricity, 467 ; Prof. Fleming on Curves of Incandescent 

 Lamps, 523 ; Heat and Examples in Electricity, H. H. 

 Turner, 526 ; Ricco's New Electro-Magnet, 204 ; Reynier's 

 Experiments on Electromotive Forces, 203 ; Measurements of 

 the Electromotive Force, Dr. Kayser, 308 



Elementary Schools, Over-pressure in, 149 



Elkin's (Dr.) Inve-tigations with the Heliometer, 321 



Elliott (F. W.), Fly-Maggots Feeding on Caterpillars, 54 



Ellis (Alex. J., F.R.S.), Musical Scales of Various Nations, 

 446, 488 



Ellis (William), Prime Meridian Conference, 7 ; Earthquakes 

 and Terrestrial Magnetism, 262 



Embryogny, Influence of Magnetism on, Prof. Maggiorani, 618 



Emmerig, on Bees as Storm- Warners, 587 



Emotion, Pupil of the Eyes during, Dr. Samuel Wilks, 458 



Encke's Comet, 65, 182, 228, 280 



Encyclopaedia of Natural Sciences, Trewendt's, 16 



Engineering College at Firth College, Sheffield, 46 



Engineering Inventions, Recent, Sir F. Bramwell, 249 



Engineering Patents, Recent, Sir Fred. J. Bramwell, F. R. S., 

 420 



Engineering Work, the Reign of Law in Relation to the Uni- 

 fication of, W. H. Bailey, 250 



Engineers and Shipbuilders, Institution of, in Scotland, 130 



England, Earthquakes in, and their Study, W. White, 172 



Engler's " Botanische Jahrbiicher," 592 



English Mathematics, Modern, Prof. Henrici, F.R.S., 151 



Entomological Society, 330, 427, 523 



Entomology in Michigan, 16 



Entomology : Lieut. Casey on " Stenini," 250 



Epileptic Fit, Chinese Superstition with Regard to Persons in 

 an, 418 



Equations in Multiple Quantity, the Genesis of an Idea, or 

 Story of a Discovery Relating to, Prof. J. I. Sylvester, 

 F.R.S.,35 



Equulei, Double-Star 7, 612 



Erck (Wentworth), Recent Lunar Eclipse, 28 



Ernst (A.), Injuries caused by Lightning in Venezuela, 458 



Erosion of Glass, 388 ; Dr. William M. Ord on, 360 



Eschenhagen (Dr. M.), Recent Earthquakes, 339 ; on the 

 Spanish Earthquake, 491 



Escriche (Prof.) on Geographical Parks, 614 



Essex Field Club, 395 



Etber, the, on Structure of Mechanical Models illustrating some 

 Properties of, Prof. G. F. Fitzgerald, 570 



Ethnology : Ethnological Work included in the Canada Geo- 

 logical Survey's Publications, 348 ; Ethnology of the Sudan, 

 Prof. A. H. Keane, 40 ; Prof, de Lacouperie on Chinese 

 Ethnology, 63 ; Ethnology of Tonquin, 2S0 ; Outline of Classi- 

 fication of the Human Species, Prof. Flower, F.R.S., 330 



Etna, New Mud-Crater, 65 



Eulenberg (Prof.), on the Sense of Temperature, 259 



Europe, Butterflies of, Henry Lang, M.D., R. McLachlan, 

 F.R.S., 122 



Europe, the Northernmost Extremity of, 127; W. Mattieu 

 Williams, 54, 150 



Evans (Edwin H.), a Pugnacious Frog, 55 



Evolution : an Unnoticed Factor in, Edmund Catchpool, 4 ; J. 

 Jenner Weir, 194; Buddhist Theory of, J. Starkie Gardner, 

 55 ; Evolution of the Blood-vessels of the Test in the Tunicata, 

 Prof. W. A. Herdman, 247 



Ewing (Prof. J. A.), Earthquake Measurement, 4; Experi- 

 mental Researches in Magnetism, 304 ; Recent Japanese 

 Earthquake, 581 



Exhibition (Paris) of 1889, the Proposed Iron Tower, 108 



Exhibition, Konigsberg International Industrial and Polytechnic, 



279 

 " Lxplorador," 371 

 Explosions, Accidental, Produced by Non-Explosive Liquids, 



Sir Frederick Abel, F.R.S., 469, 493, 518 

 Eye in Insects, Compound Vision and Morphology of the, Dr. 



B. T. Lowne, 433 ; Sydney J. Hickson, 433 

 Eye in Zonula zinnii, the Structure of the, Dr. H. Virchow, 



380 

 Eyes, Insects', Benjamin Lowne on the Morphology of, Prof. 



E. Ray Lankester, F.R.S., 504, 578 



Eyes, Pupil of the, during Emotion, Dr. Samuel Wilks, 458 ; 



John Aitken, 553 

 Eyesight, Civilisation and, Lord Rayleigh, F.R.S., 340, 407; 



J. Rand Capron, 359 ; R. Brudenell Carter, 386 ; Geo. A. 



Berry, 386 ; G. B. Buckton, F.R.S., 407 ; J. W. Clark, 433 ; 



Col. J. F. Tennant, F.R.S., 457; Sydney Lupton, 458; 



Major Allan Cunningham, 458 ; II. B. Guppy, 503 ; Chas. 



Roberts, 552 



Face-Urns Discovered in Pomerania, 203 



Faidherbe (Gen.), Boundaries of French North- Western Africa, 



90 

 Fall of Autumnal Foliage, Rev. Geo. Henslow, 434 ; Rev. A. 



Irving, 482 

 Far-Sightedness, Dr. Emil Metzger, 506 ; J. Hippisley, 553 ; 



Rev. E. Hill, 553 ; J. Starkie Gardner, 578 

 Farrer (Sir J. H.), on the Metric System, 64 

 Fauld's (Henry) " Nine Years in Nipon," &c, 288' 

 Fauna, Mediterranean, 201 

 Fauna of Cuba, 537 

 Faunas of the Mediterranean and Red Seas, on the Cause of the 



Dissimilarity between, Prof. Edward Hall, F.R.S., 599 

 Faye (M.), Cosmogonic Theory of, Dr. G. H. Darwin, F.R.S., 



506 

 Feil (Charles) and the Manufacture of Optical Glass, 347 

 Ferns, Apospory in, W. T. Thiselton Dyer, F.R.S., 151, 



216 

 Ferns, Vegetative Organs of the Phanerogams and, A. De Bary, 



213 



Fetichism in China, 442 



Field (Fred., F.R.S.), Death of, 537 



Filter, Fuller's Earth as a, A. G. Cameron, 389 



Findlater (Dr. A.), Death of, 226 



Finmarken, Proposed Norwegian Hydrographic Expedition to, 

 614 



Finsbury Technical College, 63 ; Prof. Silvanus P. Thompson 

 appointed Principal and Professor of Physics at, 441 



Finsch (Dr. O.), Departure of, 109 



Firedamp, on the Observation of Earthshakes or Tremors in 

 Order to Foretell the Issue of Sudden Outbursts of, M. 

 Walton Brown, W. Galloway, 312 



Firth College, Sheffield, Engineering College at, 46 



Firth of Forth, on the Salinity of the Water in the, Hugh 

 Robert Mill, 541 



Fish: Are Fish Attracted by Artificial Illumination?, 17; the 

 Paradise Fish, 109 ; Flying Fish, Do they Fly or Not ?, Robert 

 W. S. Mitchell, 53; Dr. J. Rae, F.R.S., 101 ; Dr. K. 

 Mobius, 192; Fish of the,Oxus, 252; Highest Temperature 

 endurable by various Species of Fish, 350 ; Brandy as a Fish- 

 Restorer, 350 ; Proposed Fish Museum, 369 ; the Swimming- 

 Bladder in Fish, Prof. Albrecht, 380 ; Fish-Culture Depart- 

 ment at the Inventions Exhibition, 537 ; Fish- Culture Fishery 

 at Delaford, 587 ; Buckland Museum Collection at the Inven- 

 tions Exhibition, 587 ; National Fish-Culture Association, 

 National Present by the American Government >of Land- 

 Locked Salmon, 563 ; United States Fish Commission, Ralph 

 S. Tarr, 128; at Wood's Holl, Alf. C. Haddon, 294 ; Fish- 

 Hatching in Norway, 280 ; Eggs of Fishes, Prof. Mcintosh, 



F. R. S., 534, 555 ; Pearl Fisheries of Tahiti, 545 

 Fisher I Prof.), Metallic Thermographs, 620 



Fisk (W. H.), Nature-Drawing, 160 



Fitzgerald (Prof. G. F., F.R. S.), on the Analogy between Heat 



and Electricity, 210; Molecular Dynamics, 503 ; on Structure 



of Mechanical Models illustrating some Properties of the 



Ether, 570 

 Flame, some Experiments on. Geo. 1. Burch, 272 

 "Flatland," R. Tucker, 76 

 Fleischl (Dr. E. von), on the Double Refraction of Light in 



Liquid, 204 



