INDEX 



\Naturi, June 9, 1S81 



Convolutions in a Human Brain. Concealed Bridging, W. Carter, 



556 

 Coppinger (Dr. R. W.), Rapidity of Growth in Corals, 53 ; 



Oceanic Phenomenon, 482 

 Coral Reefs and Islands, Joseph Le Conte, 77 

 Corals, Rapiiity of Growth in, Pr. R. W. Coppinger, 53 

 Corean Archipelago, Notes on the Geology of, H. B. Guppy, 



417 

 Corficld's (Prof.) Lectures on Health to Ladies, 231 

 Corn, Feeding a GuU with, W. A. Forbes, 4S3 

 Cornu (Maxime), Phylloxera in France, 127 

 Coitambert (M. Eugene), Death of, 439 

 Cossa (Dr. Luigi), Political Economy, 97 

 Crabs and Actinia, Col. H. .Stuart-Wortley, 529 

 Crannog, Submarine, at Ardmore, 42 

 Crawford (Consul), at OpDrto, on the Disease in the Port Wine 



District, 20 

 Crimea, Prehistoric Anthropology of the, N. Hereshkovsky on, 



63, 107 

 Crimea, Phylloxera in the, 253 

 Crinoids, Interesting New, 377 

 Cri'erion of Reality, I44 

 .Croolies (W., F.R..S.), Heat Conduction in Highly Rarefied 



Air, 234 ; Viscosity of Gases at High Exhaustions, 421, 443 

 Cure for Smoke, the New, J. A. C. Hay, 386 

 Cutler's Company's Hall, Lectures at, 85 

 Cycles, Barometric, Prof. Balfour Stewart, 237 



Dalzell's (Sir John), Anemone, 495 



I>ana (Prof. James D.), Continents always Continents, 410 



Dana's (Edward S.), Text-book of Mechanics, 552 



Darwin (Charles F.R.S.), Sir Wyville Thomson and Natural 



Selection, 32; Homage to, 57, 393; Black Sheep, 193; 



Movement of Plants, 409 ; on Vivisection, 583 ; Movements 



of Leaves, 603 

 Darwin (Francis), Physiology of Plants, 178; Alpine Flowers, 



333 

 Darnin (G. H., F.R.S.), on Tidal Friction in Connection with 



the Histiry of the Solar System, 389 

 Dawkins (Prof. W. Boyd, F. R..S.), Prehistoric Europe, 309, 



361, 482 ; Extinct British Animals, 431 

 Dawson (Dr. Geo. M.), Prof. Whitney on the Glaciation of 



British Columbia, 290 ; Climate of Vancouver Island, 385 

 Dawson (J. W., F.R.S.), Geological Relations of Gold in Nova 



Scotia, 578 

 Davy (M.), Analysis of the Air at Montsouris, 63 

 Day (Dr. Francis), Work on Fishes, 107; "Fishes of Great 



Britain and Ireland," 264 

 Death, Signs of, 494 



Deep-Sea Exploration, J. Gwyn Jeffreys, F.R.S., 300, 324 

 Deep-Sea Ophiurans, 464 



Deles.se (Aohille), Death of, 516; Obituary Notice of, 535 

 Dembowski (Baron), Death of, 322 

 Dent's Chronograph, 59 

 Development of Human Intelligence, 617 

 Dew and Fog, 398 



Dewar (Prof.), on Atoms, at the Royal Institution, 181 

 Diamond Mines in India, on the identity of some, especially 



those mentioned by Tavcrnier, V. Ball, 490 

 Dimorphic Leaves of Conifers, Dr. Maxwell T. Masters, 267 

 Dimoi'i hism of Flowers, New Cases of, Errors Corrected, Dr. 



Ht-r.i ann Miiller, 337 

 Disease in Iialy, Statistics of, 543 

 Disinfectant, a New, 374 

 Distance of Clouds, Edwin Clark, 244 

 Dobbie (James ].), Oxidation of Quinine, 243 

 Dortel Port's (D"r.) " Aths of Physiological Botany," 157 

 Doretshire, Hailstorm in, Dr. Geo. J. Allman, F.R.S., 146 

 Dortmund, Shock of Emthquake at, 106 



Double .Stars, Cincinnati Measures of, 396; Herschel 394S, 591 

 Duhlii:, Scientific Societies of, 316 



Dudgeon (Dr. R. E.), Temperature of the Breath, 10, 76 

 Dimcnn (j.ihn), the Alfr.rd Weaver-Botanist, Wm. Jolly, 252, 



269 ; I'll lid for, 317, 491 

 Duncan (Pnf. P. Maitm, F.R.S.), Geological Clim.ates, 145 ; 



elected President of the Royal Microscopical Society, 418 

 Duncan's (.Stewart) Conscious Matter, Geo. J. Romanes, F.K.S., 



553 

 Duiiciinibe (Cecil), Squirrels Crossing Water, 484 

 Dunrtcf Na'uralisis' Society, Annual Conversaziont, 370 

 Dunes and Moving Sands, 569 



Dunn ([. T.), Note on an Acoustical Constant, 146 



Dust, Fogs, and Clouds, John Aitken, 195, 311, 3S4 ; W. II. 



Preece, Dr. H. J. H, Groneman, 336; Ilon. RoUo Russell, 



267 ; M. Chatel, 436 

 Dutch Arctic Cruisers, Zoological Results of, 205 

 Duveyrier (M. Henri) on the Sources of the Niger, 184 

 Dynamics of " Radiant Matter," on some Points relating to the, 



S. Tolver Preston, 461 ; Wm. Muir, 483 

 Dynamite, Preparation of, 492 

 Dynamite Mine, St. Petersburg, 531 

 " Dytiscida', Avis preliminaire d'une N mvelle Classification de 



la Famille des," Dr. Sharp, 98 



Earth Currents — Electric Tides, 424 



Earthquakes: at Valparaiso, 20; Shock, in Southern Austria, 

 42 ; in Austria, 63 ; Shock in the Tyrol, S3 ; at Agram, 

 63, 83, 106, 132, 156, 182, 253, 297, 4:9, 439, 492, 516; 

 Prof. V. Hochstetter on the, 106 ; Prof. Szabo on, 530 ; 

 in Scotland and North of Ireland, 106 ; at Dortmund, lo5 ; 

 British Earthquakes, 117; Prof. J. P. O'Reilly, 170; Dr. 

 Novak on Earthquakes, 156 ; Prof. Rudolph Falb on, 156, 

 205; in Germany, 156; at Wiesbaden, 156; in Banjaluka 

 (Bosnia) and in Agram, 1S2; at Charleville, Ireland, 1S2; 

 at Brescia, Schloss Tr.ikoslyan, and .'■myrna, 205 ; in Ron- 

 mania, Transylvania, Hungary, &c., 232; atRousdi.rf, 253; 

 at Bucharest, 253; Shock at Burmah, 253 ; at Peshawnr, 275 ; 

 in Switzerland, January 27, 320 ; m Bologna, Florence, 

 Venice, Padua, Ferrara, &c., 320; at Berne, 34S, 396; in 

 the Swiss Jura, information of, 369 ; at St. Petersburg, 370 ; 

 at St. Michael's in the Azores, 419 ; St. Ivan-Zelina, Agram, 

 &c., 439 ; at Casamicciola in the Island of Ischia, 439, 468, 

 492, 516; in Sui'zerland, 468; in Ischia, H. J. Johnston- 

 Lavis, 497 ; at Chio, 541, 564 ; Earthquake Warnings, 529 ; 

 at San Cristobal, 564 ; Earthquake of November 28, 1S80, in 

 Scotland and Ireland, 591 

 Eaton's " Ferns of North America," J. G. Baker, 479 

 Eaton (Rev. A. E.), the Oldest Fossil Injects, 507; Winter 



Gnats (Trichocera), 554 

 Ebonite, Measuring the Index of Refraction of. Professors 



Ayrton and Perry, 519 

 Echinodermata, the Locomotive .System of, G. J. Romanes, 



F.R.S., 545 

 Eclipse, Solar, of December 31, 65 

 Eclipses, Lunar, 1880-84, 114 



Edinburgh : Royal Society, 212, 451, 475, 500, 571, 595 

 Edison Electric Light in New Vorl;, 614 

 Education in Science, Mr. Munriella on, 134 

 Education, Introduction of Hypotheses in School, Dr. Hermar.n 



Miiller on, 157 

 Egerton (Sir Philip de Malpas Grey), Death of, 541 ; Obituaty 



Notice of, 579 

 Eggs, Testing the Age of, 132 

 Elasticity of Wires, J. T. Bottomley, 281 



Electricity : Electric Lighting at London Railway Stations, 64 ; 

 Incandescent Electric Lights, 104 ; the Maxim Light, 131 ; 

 and Navigation on the Rhine, 132; Lighthouses illuminated 

 by Electricity, 347 ; New Method of Dividing Electric Light, 

 373 ; Electric Lighting in the Ci'y, 440 ; Scientific Principles 

 involved in Electric Lighting, Prot. W. Grylls Adams, F. R.S. , 

 5S0, 605 ; Electric Light in New York, 614; New Discovery 

 in Electric Induction, 85 ; Electric Dust Figures, 208 ; on the 

 Thermic and Optic Behaviour of Gases under the Influence of 

 the Electric Discharge, Dr. Arthur Schuster, F.R.S., 258; a 

 New Electric Motor, 278 ; Trial of Electric Railways at the 

 Electrical Exhibition, Paris, 296 ; Electric Discharges in 

 Gases, 397 ; Electric Tides in Telegraphic Circuits, 346 ; 

 Electric Tides, Earth Currents, 424 ; Electrical Thermometer 

 for Determining Temperatures at a Distance, Horace T. 

 Brown, 464 ; I'utuie Develop nent of Eleclricul Appliances, 

 Geo. Rayleigh Vicars, 528 ; Herr Hoor«eg on Electricity, 

 43 ; Behaviour of Electricity in Gases, Herr Narr, 43 ; 

 Place du Carrousel to be Lighted with, 254; the Relation 

 between Electricity and Light, Dr. O. J. Lod/e, 302; Pro- 

 posed International Exhibition of Electricity, 84, 320, 347 ; 

 Seeing by Electricity, 423 ; a New Mode of obtaining Electri- 

 city by Friction, 441 ; on a Method of Measuring Contact 

 Electricity, Prof. Sir William I homson, F.R.S., 567; EJec- 

 tricity and Gas as Heating Agen's, C. W. Siemens, F. R.S , 

 326, 351 ; Molicular Electromagnetic Induction, Prof. D. E. 

 Hughes, F.R.S., 519 



