INDEX 



{Nature, Nov. 27, 1890 



Darkest Africa, H. M. Stanley, 223 



D'Arrett's Comet, Prof. Krueger, 619 



Darwin (Francis, F.R.S.), Physiological Botany by Dr. George 



Lincoln Goodale, 516 

 Darwinism : Unstable Adjustments as Affected by Isolation, 



John T. Gulick, 28 

 Davis (J. R. Ainsworth), the Flowering Plant, as Illustrating 



the First Principles of Botany, 4 

 Davis (R. E. ) and Rev. J. J. Milne, Geometrical Conies, Part 



I., the Parabola, 518 

 Davison (Charles), on the Study of Earthquakes in Great 



Britain, 346 

 Dawkins (Prof. W. Boyd, F.R.S.), Search for Coal in the 



South of England, 319 

 Dawson (Dr. G. M.) : Unexplored Canadian Territory, 207 ; 



on the Later Physiographical Geology of the Rocky Moun- 

 tain Region in Canada, with Special Reference to Changes in 



Elevation and the History of the Glacial Period, 650 

 Daytime, Photographing Stars in the. Prof. Holden, 576 

 De La Rue (Warren, F.R.S. ), Lunar Photography, 569 

 Dechevrens (Marc), Variation of Temperature with Altitude in 



Cyclones and Anticyclones, 215 

 Decimal System, the London School Board and the, 647 

 Deep Troughs of the Oceanic Depression, on the Origin of the 



— Are any of Volcanic Origin ?, Prof. James D. Dana, 357 

 Deflers (M.), Return from Southern Arabia of, iSo 

 Deighton (Horace), Elements of Euclid, 389 

 Deniker and Laloy on the Negroes of West Africa, 534 

 Denmark, Hydrographical Observations on the Danish Coast, 



109 

 Denning (W. F.) : Red Spot on Jupiter, 100; Observations of 



Meteors, 183 ; the Perseid Meteor Shower, 342, 390 ; Large 



Meteors, 637 ; Discovery of a New Comet, 317 ; Denning's 



Comet [c 1890), Dr. A. Berberich, 378 ; a Fine Group of 



Sun-spots, 456 ; Denning's and Coggia's Comets {b and c, 



1890), Dr. Berberich, 404 

 Denny (Prof.), on an Abnormality in some Flowers of Tropae- 



olum, 579 

 Denton (Prof. J. E.), on Mechanical Tests of Lubricants, 



528 

 Denza (Prof.), Perseid Meteors, 526 

 Derby (Earl of, F.R.S.), the Age of Science, 556 

 Desert Regions, on the Meteorological Conditions of, with 



Special Reference to the Sahara, Dr. John Murray, 296 

 Design, the Elements of Machine, Prof. W. Cawthorne Unwin, 



F.K.S., 171 

 Deslandres (M.), Spectroscopy at Paris Observatory, 650 

 Devonian Rocks of South Devon, W. A. E. Ussher, 95 

 Dewar(Prof., F.R.S.) and Prof. Liveing, F.R.S., on the Ex- 

 plosion of Gases under High Pressure, 531 

 Dextro-inositol, or Tartaric Acid, 21 

 Diamond, on the Carburizalion of Iron by the. Prof. W^. C. 



Roberts-Austen, 69 

 DiazoAmido-Compounds, Prof. R. Meldola, F.R.S., 531 

 Dice for Statistical Purposes, Francis Gallon, F.R.S., 13 

 Dickinson (W. L.) and J. N. Langley, F.R.S., on the Pro- 

 gressive Paralysis of the Different Classes of Nerve-Cells in 



the Superior Cervical Ganglion, 22 

 Didymium, Dr. G. H. Bailey on the Spectrum of the Haloid 



Salts of, 530 

 Dielectrics, the Inductive Power and Conductivity of, M. Curie, 



486 

 Diphtheria, the Etiology of. Dr. E. Klein, F.R.S., 113 

 Disease Treatment, Native African, 376 

 Distant (W. L.), a Monograph of Oriental Cicadidsc, 169 

 Dixon (Prof. H. B., F.R.S.) and J. A. Harker, on the Rates 



of Explosion of Hydrogen and Chlorine in the Dry and Wet 



States, 531 

 Dixon (Harold G.) : the Mode of Observing the Phenomena 



of Earthquakes, 491 ; Prof. John Perry, F.R.S., on, 545; 



Earthquake Tremors, 615 

 Dod (Rev. C. Wolley), on Diseases of Garden Plants, 17 

 Dodge (Prof. J. R.), on the Standard of Living in America, 



529 

 Doebner and Foerster (Drs.), on Pyrogallol-benzein, a New 



Colouring-matter, 19 

 Dog-muzzling Act and Hydrophobia, 34 

 Dogs, Jackals, Wolves, and Foxes, a Monograph of the Canidse, 



St. George Mivart, F. K.S., 35 

 Dogs, Prairie, and their Sense of Distance, Dr. Wilder, 487 

 Dogs, Teufel the Terrier, 459 



Doppler's Principle, G. H. Wyatt, 7 ; E. P. Perman, 54 ; Prof. 



J. D. Everett, F.R.S., 81 

 Dorfler (Herr), Return Ircm his Botanical Expedition to 



Albania, 617 

 Double Stars: on the Parallax of, Arthur A. Rambaut, 112 ; 



Spica, 90 

 Dowie (Miss Menie Muriel), on the Eastern Carparthians, 580 

 Dragon-fly and Cricket, E. Giles, 135 

 Draper (Charles H.), Light, Heat, and Sound, 197 

 Draper (Dr. Henry), Lunar Photography, 571 

 Draper (Dr. J. W.), Lunar Photography, 568 

 Dresden Zoological and Anthropological Museum, Transactions 



of, 136 

 Drought and Good Seasons in South Africa, D. E. Hutchins, 4 

 Drowned Atolls, P. W. Bassett-Smilh, 222; Captain W. J. L. 



Wharton, F.R.S., 222 

 Du Chaillu (Paul), New Edition of Adventures in the Great 



Forest of Equatorial Africa and the Country of the Dwarfs, 



19 

 Dublin, Guide to the Science and Art Museum, 486 

 Dublin Science and Art Museum, and the National Library of 



Ireland, 391 

 Dubois (Dr.), Magnetic Closed Circuits, 288 

 Dubois (Raphael), the Reputed Digestive Power of Liquid ia 



the Covered Capsule of Nepenthes, 408 

 Du Bois (M.), on Refraction and Dispersion in Certain Metals, 



Duggleby Howe, Rev. F. Maule Cole on, 581 



Dukes (J. Archibald), Green Flash at Sunset, 127 



Duncan (Dr. Matthews, F.R.S.), Death of, 458 



Duner (Prof. N. C), Rotation of the Sun, 138 



Dunwoody (Captain), Supplement to U.S.A. Monthly Weather 

 Review for 1889, 254 



Durham (William), Science in Plain Language, 4 



Durham College of Science Calendar, 554 



Dust Particles in Atmosphere, Observations with Aitken's Ap- 

 paratus of Number of, 278 



Dutch Academy of Sciences, Prizes offered by, 277, 510 



Dwarfs, Chimpanzees and, in Central Africa, 296 



Dynamics for Beginners, Rev. J. B. Lockj 270 



Dynamics and Hydrostatics, an Elementary Text-book of, R. 

 H. Pinkerton, 543 



Dynamics, Syllabus of Elementary, Part I., Linear Dynamics, 

 28 



Earth-Movements in Wales and Shropshire, Dr. Hickson, 532 



Earthquakes : at Tusa, in Sicily, 17 ; at Lisbon, 17 ; the System 

 of Building best adapted to withstand. Prof. Milne, 36 ; at 

 Sofia, 65, 160 ; the Eruption of Vulcano Island, Dr. H. J. 

 Johnston-Lavis, 78 ; at Utica, 109 ; in Armenia, 109 ; at 

 Lima and Skidegate Islands, 134 ; in Yorkshire, 233 ; in 

 Austria-Hungary, 327 ; on the Study of Earthquakes in Great 

 Britain, Charles Davison, 346 ; the Mode of Observing the 

 Phenomena of Earthquakes, John Marshall, 415 ; Harold G. 

 Dixon, 491 ; Prof. John Perry, F.R.S., 545 ; Earthquake> 

 in the Danube Valley, 458 ; Earthquake Tremors, Alfred P. 

 Wire, 593 ; H. G. Dixon, 615 ; Earthquakes at Christian- 

 sand and Lisbon, 618; at Hechingen, Island of Boinholm, 

 and in Norway, 648 



Earthworm, the Embryology of the, E. B. Wilson, 33 



Eastern Carpathians, Miss Menie Muriel Dowie, 580 



Eberdt (Herr), Experimental Study of Plant-Transpiration, 329 



Echinid^, Sea- Urchins and Their Homes, no 



Ecker (Dr. Alexander), Anatomy of the Frog, translated by 

 George Haslam, M.D., 27, 54 



Eclipse, Annular, of June 17, 236, 256; Ancient Eclipses, John 

 Stockwell, 354 ; Eclipse of Thales, William E. Plummer, 

 390 



Economic Science and Statistics, Opening Address in Section 

 F, at the British Association, t-y Prof. Alfred Marshall, 491 



Economic Science, Prof. J. R. Dodge, on the Standard of 

 Living in America, 529 



Econom'ics, Principles of. Prof. Alfred Marshall, 362 ; Prof. 

 Eugen von Bohm-Bawerk, on Capital and Interest, translated 

 by William Smart. 462 



Edinburgh : Index to the First Thirty- four Volumes of the 

 Transactions of the Royal Society of, 36 ; Royal Society of, 

 119, 215, 287; Reports fiom the Laboratory of the Royal 

 College of Physicians, Edinburgh, Vol. II., J. G. Adami, 

 97; the Edinburgh Exhibition, 134; Meetings of the Insti- 



i 



