Xll 



INDEX 



\Nalurc, Nov. 22, i88fc 



Curves with Absolute Numerical Values, Five Applications of 



Fourier's Law of Diffusion illustrated by a Diagram of, 



Sir William Thomson, F.R.S., 571 

 Curves, Movements in, 160 

 dishing (Frank), Discovery of Prehistoric Cities in Arizona 



by, 42 

 Cyclone at Havannah, Frightful, 485 

 Cyclones, Does Precipitation influence the Movement of?, 



H. Helm Clayton, 301 

 Cyclones, the Incurvature of the Winds in Tropical, Henry F. 



Blanford, F.R.S., 181 

 Cygni, Spectrum of R, Rev. T. E. Espin, 423 

 Czech Academy of Science, Projected, 302 



Da Gama (G. A.), Origin of the Belief in the Bis-cobra, 624 



Dacca 'tornado, the, 42 



Dana (J. D. ), History of Changes in Mount Loa Craters, 462, 



559 

 Darwin (Charles), Address on, Prof. W 7 . H. Flower, F. R.S., 116 

 Darwin (Prof. G. H., F.R.S.), on the Mechanical Conditions of a 



Swarm of Me'eorites and on Theories of Cosmogony, 573 

 Darwinian Theories, Proposed Chair for the Teaching of, 182 

 Darwinian Theory, Paris Professorship of, 276 

 Darwinism, Lamarckism versus, Prof. R. Meldola, F.R.S., 388 ; 

 Edward B. Poulton, 295, 388, 434 ; Dr. Geo. J. Romanes, 

 F.R.S., 364, 413, 490 

 Davis (J. R. Ainsworth), a Text-book of Biol <gy, 52, 126, 149 

 Davis (James W.), Yorkshire Geological and Polytechnic Society, 



590 

 Davison (Charles), History of the Contraction-Theory of 



Mountain-Formation, 30 

 Dawkins (Prof. W. Boyd, F.R.S.), Opening Address in Section C 



(Geology) at the British Association, 449 

 Dawson (Dr. G. M.), Exploration of British Columbia, 115 

 Dawson (Sir J. W., F.R.S.), on the Eozoic and Palaeozoic Rocks 

 of the Atlantic Coast of Canada, 142 ; Imperial Geological 

 Union, 157 ; Geological History of Plants, 538 

 De La Noe (Lieutenant- Colonel G.), Les Formes du Terrain, 



614 

 Deaf and Dumb, Report of the Association for the Oral Instruc- 

 tion of the, 159 

 Deaf-Mutes, Royal Commission on, and Prof. Graham Bell, 132 

 Debray (Jules Henri): and A. |oly, Researches on Ruthenium, 



143 ; Death of, 359 ; M. Janssen's Obituary Address, 396 

 Decadence of the Chemical Profession in Government Opinion, 



217 

 Deer in New Zealand, J. W. Fortescue, 328 

 Definition of the Theory of Natural Selection, Prof. Geo. T. 



Romanes, F.R.S., 616 

 Defforges (M.) and M. C. Wolf, on a Point in the History of 



the Pendulum, 191 

 Demjanoff and Gustavson, the Gas Allene, 552 

 Denmark, the Oyster Banks of, .114 

 Denmark, Sand Grouse in, 158 



Denning (W. F.) : the Meteoric Season, 276 ; the Red Spot on 

 Jupiter, 342 ; a History of the August Meteors, 393 ; Fire- 

 ball of August 13, 415 ; August Meteors, 415 

 Density and Specific Gravity, Prof. G. Carey Foster, F.R.S., 



6 ; E. Hospitalier, 6 ; Harry M. Elder, 55 

 Departement de l'Ain, Notes on the, Dr. Aubert, 431 

 Determinants : Teoria Elemental de las Determinantes y sus 

 Principles Aplicaciones al Algebra y la Geometria, Felix 

 Amoretti y Carlos M. Morales, 537 

 Determinants, Nomenclature of, Dr. Thos. Muir, 589 

 Deutsche Geographische Blatter, 424 

 Dewar (T. I.), Resistance of Square Bars to Torsion, 126 

 Dewar and Liveing (Profs.), Investigations on the Spectrum of 



Magnesium, 165 

 Di-cdcium Arsenite, Artificial Production of, M. Dufet. 17 

 Dielectric, Riicker and Boys, 161 

 Dieterici (Dr.), Experiments on the Determination of the 



Latent Heat of Evaporation of Water at o° C, 143 

 Differential Equation to all Conies, Geometric Interpretation of 



Monge's, 619 

 Diffraction of Sound, Lord Rayleigh, F.R.S., 208 

 Digiti Minimi Decessus, 622 



Dilute Solutions and Gases, on the Analogy between, Prof. 

 van't Hoff, Prof. Ramsay, F.R.S., 213 



Dine, How Sea-Birds, Earl Compton, 618 



Diphenyl, New Organic Compounds of, Paul Adam, 599 



Dispersal of Seeds by Birds, Dr. H. B. Guppy, 101 



Dispersion of Seeds and Plants, E. L. Layard, 296 



Disseminaton of Plants by Birds, W. Botting Hemsley, 53 



Distribution of Animals and Plants by Ocean Currents, A. W. 

 Buckland, 245 ; Isaac C. Thompson, 270 



Divergent Evolution, Gulick on, Dr. Alfred R. Wallace, 490 



Dixon (Prof. H. B., F.R.S.l and H. W. Smith, Incompleteness 

 of Combustion on Explosion, 596 



Doberck (Dr. W. C): on the Rainfall and Temperature at 

 Victoria Peak, Hong Kong, 78 ; Meteorology of South-East 

 China, 1 18; Upper and Lower Wind Currents over the 

 Torrid Zone, 565 ; on the Grass Minimum Thermometer, 

 619 



Dog, Prof. Nehring on the Origin of the, 87 



Doldrums, the Weather in the, Hon. Ralph Abercromby, 25S 



Donders Memorial Fund, 41, 62, 112 



Donkin (Bryan, Jim.), Fuel-testing Station for London, 172 



Dorsetshire : the Birds of, J. C. Mansell-Pleydell, R. Bowdlev 

 Sharpe, 125 ; Sonorous Sand in. Cecil Cams Wilson, 415 



Double-Star Observations, Milan, Prof. Schiaparelli, 423 



Doughty (C. M.), Travels in Arabia Deserta, 195 



Draper (Harry Napier), Fact and Fiction, 221 



Draper (Henry) Memorial, the Progress of the, Prof. Edward 

 C. Pickering, 306 



Drawing Instruments, Mathematical, W. F. Stanley, 230 



Dreams, 103 ; A. Bialoveski, 56 



Drummond (H.), Tropical Africa, 171 



Dryer (C. R. ), Coral Formation-, 6 



Duboin (M. A.), on the Chloride, Bromide, and Sulphide of 

 Yttrium and Sodium, 360 



Dublin, Chemical Laboratories at Trinity College, 598 



Dublin Science and Art Museum, 114 



Duck, Bacterial Disease of the, MM. Cornil and Toupet, 216 



Dudgeon (Dr.), Scientific Works published in Chinese by, 302 



Dufet (M.), Artificial Production of Di-calcium and Pharmaco- 

 lite, 17 



Dufheld (A. J.), Nose- Blackening as Preventive of Snow-Blind- 

 ness, 172 



Dumple (E. T.), the Texas Shell Mounds, 454 



Dundee, Science-Teaching in, 574 



Dunman (T. ) : Sound, Light, and Heat, 125; Electricity and 

 Magnetism, 125 



Dunstan (Prof.), Report of the British Association Committee on 

 the Teaching of Chemistry, 596 



Duplex Pendulum Seismograph, Prof. J. A. Ewing, 30 



Durazzo (Prof.), Map of Massawa District, 161 



Durham Salt District, E. Wilson, 214 



Dust, a Column of, Hugh Taylor, 415 



Dutton (Captain C. E.), Monograph on the Charleston Earth- 

 quake, 16 



Dwarf Races in Africa, R. G. Haliburton, 112 



Dyer (F. W.), Lingualumina, or Language of Light, 1 



Dyer (Henry), the Glasgow and West of Scotland Technical 

 College, 428 



Dyer (W. T. Thiselton, F.R.S.) : Flora of the Antarctic Islands, 

 Dr. H. B. Guppy, 40; on Geo. Bentham, 116; Opening 

 Address in Section D (Biology), at the British Association, 



473 

 Dynamics : Prof. Greenhill on Kinematics and, Prof. J. G. 



MacGregor, 149 ; Applications of Dynamics to Physics and 



Chemistry, L J- Thomson, F.R.S., 585 

 Dynamo Machine, on the Condition of Self-excitation in a, Prof. 



S. P. Thompson, 141 



Earth-Knowledge, W. J. Harrison and II. R. Wakefield, 563 

 Earth-Pillars in Miniature, Cecil Carus-Wilson, 197 

 Earth- Sculpture, Lieut. -Colonel G. De la Noe, 614 

 Earthquakes : Supposed Earthquakes in Norway, 16 ; Earth- 

 quake in the Yunnan Province of China, 16 ; at Luchon, 16 ; 

 Earthquakes in Norway and Sweden, 42, 422 ; Dr. Hans 

 Reusch's Report, 326 ; Captain C. E. Dutton's Monograph 

 on the Charleston, 16 ; Earthquake at Florence, November 

 14, 1887, 165 ; Remarks on the, Prof. P. G. Giovanozzi, 165; 

 at Julfa, Erivan, 183: in Herno, 204; Report on, at Vyer- 

 nyi, 204; in Monte Video, 256 ; in Honduras, 278 ; in New 

 Zealand, 452 ; in Mexico, 485 ; Effect of, on Animals, Prof. 



