Nature, Dec. 2, 1886] 
INDEX 
XI 
Cycles, Mr. J. A. Griffiths on, 46 
Cypripedium Genus, Floral Symmetry of, Dr. M. T. Masters, 
538 
Dall (W. H.), Nezera, 122 
Dallinger (Dr.), President of Glasgow Microscopical Society, 14 
Dammer (Udo), German ‘Translation of Dr. Maxwell Masters’ 
“ Vegetable Teratology,” 489 , 
Dana (Edward S.), Crystallisation of Gold, 402; and S. L. 
Penfield, on Meteoric Stones, 540 
Dana (Jas. D.), Lower Silurian Fossils, 68; Life of Arnold 
Guyot, 158 
Dancer (J. B.), Proposed Annuity to, 200 
Darwin (Prof. F., F.R.S.), Physiological Selection and the 
Origin of Species, 407, 468 
Darwin (Prof. G. H., F.k.S.): Ice on the Moon’s Surface, 264 ; 
Tidal Friction and the Evolution of a Satellite, 287 ; Opening 
Address in Section A (Mathematical and Physical Science) at 
the British Association, 420 
Daubrée (M.), on the Krakatdo Eruption, 115; Eruption of 
Mount Etna, 140 
Davis (A. McF.), Games of North American Indians, 531 
Davis (J. R. A.), Rudimentary Gill of the Common Limpet 
(Laveila vulgati), 185 
Davison (C.), Algebraic Notation of Kinship, 571 
Dawkins (Prof. W. Boyd, F.R.S.), Celtic and German Designs 
on Ruuic Crosses, 608 ; on Recent Explorations of Gop Cairn 
and Caye, 608 
Dawson (Geo. M.), on the Rocky Mountains, 513 
Dawson (Sir J. W., F.R.S.): Inaugural Address at the Meeting 
of the British Association at Birmingham, 409; Canadian 
Examples of Supposed Fossil Alge, 514; on lhotographs 
of Mummies of Ancient Egyptian Kings recently Unrolled, 
610 
Day (F.), Scopeles miilleri, 571 
Day, the Astronomical, 125 
Deafness and Signs, Dr. Hyde Clarke, 265 
Decapod Crustaceans of the Oxford Clay, on the, James Carter, 
258 
a (Father), Typhoon at Shanghai, 578 
Decoys, Duck, the Book of, Sir Kalph Payne-Gallwey, 309 
Dee, Salmon Fry in the, 84 
Deeley (R. M., F.G.S.), Pleistocene Succession of the Trent 
Basin, 139 
Defences, Vlants and their, 5; E. Huth, 122 
Dehérain and Maquenne, on the Absorption of Carbonic Acid by 
Leaves, 284 E 
Deheérain, Porion and (MM.), Wheat Culture in North-Western 
France, 588 
Delauney (J.), Solar Spots and Facule, 564 
“Delhi Boil,” Parasitic Organisms in, D, D. Cunningham, 
75 
Demeney and Marey (MM.), Walking and Running, 588 
Demerara, Peripatus in, John L. Quelch, 288 
Denning (W. F.): Physical Appearance of Mars in 1886, 104 ; 
Meteors, 336, 546; the September Taurids, 546; Gales in 
October, 596 
Densities of Liquefied Gases, MM. L. Cailletet and Mathias, 
139 
Dent (Hastings Chas.), a Year in Brazil, 215 
Deposits, Cray, on the North Downs, Rev. A. Irving, 387 
Deposits, Pliocene, of North-Western Europe, Arch. Geikie, 
F.R.S., Clement Reid, 341 
Deprez (M. Marcel), Experiments connected with the Trans- 
mission of Force by means of Electricity, 299 
Deruyts (J.), Conjugated Polynomes, 562 
Deslandres (M. H.), Spectrum of the Negative Pole of Nitro- 
gen: General Law of Distribution of the Kays which appear 
in the Bands of the Negative Pole, 380 
Determination of the Velocity of Light, Prof. Newcomb’s, Miss 
A. M. Clerke, 193 
Deventer (C. M. von) and T. H. van’t Hoff, Chemical Decom- 
position, 464 
Devonian, Lower and Middle, in West Somerset, W. A. E. 
Ussher, 513 
Devonian Lamellibranchiataand Species-Making, HW. S. Williams, 
539 
Deutsche Geographische Blatter, 248 
Dialects of East and West Polynesia, Comparison of, Rey. 
George Pratt, 355 
Diastases, Action of Light upon, A. Downes, 546 
Diazoamidobenzene, R. J. Friswell and A. G. Greene, 492 
Didyminm, Note on the Absorption-Spectrum of, «William 
Crookes, F.R.S., 266 
Dielectric Constants, Conductivity and, IE. Cohn and L. Arons, 
02 
Dielectric Fluids 
462 
Differential Equation of a Curve of any Order, Prof. J. J. 
Sylvester, F.R.S., 365, 403 
Differential Equations, Rk. Liouville, 491 
Differential Refraction in Declination, Method of Correcting for, 
Mr. McNeill, 225 
Digestion, Disorders of, T. L. Brunton, M.D., F.R.S., 543 
Digits, Supernumerary, M: Fauvelle, 185 
Diller (J. S.), Peridotite of Elliot County, Kentucky, 402 
Diller (J. S.) and F. W. Clarke, Turquoise from New Mexico, 
539 
Dinocerata, New Form of, W. B. Scott, 68 
Disciphania, Dr. A. Ernst, 549 
Disinfection by Heat, H. F. Parsons, 581 
Disorders of Digestion, T. Lauder Brunton, M.D., F.R.S., 
under Electric Forces, Prof. G. Quincke, 
543 
Dissection, Plant, Hand-book of, J. C. Arthur, Chas. R. Barnes, 
and John M. Coulter, 261 
Dissociation ‘Temperatures with Reference 
Questions, F. Siemens, 64 
Dissociation, ‘Theory of, M. G. Chaperon, 491 
Ditte (A.), Action of the Hydrogenated Acids on Vanadic Acid, 
163 
Dixon (H. B., F.R.S.), on the Preservation of Gases over 
Mercury, 511 
Do Migratory Birds Return to their Old Haunts?, F. C. 
Taylor, 53 
Doberck (W.), Observations and Re-earches made at the Hong 
Kong Observatory in the Years 1884 and 1885, 148 
Doberck (Dr.), Observations at Hong Kong, &c., 175 
Dogs: their Management and ‘Treatment in Disease, G. 
Ashmont, 167 ; in Health and Disease, J. S. Hurndall, 167 
Doherty (Mr.), Butterflies of Kumion, Himalayas, 603 
Donle (W.), Thermo-Electric Properties of Electrolytes, 462 
Donnes, Norway, Mock Sun seen at, 174 
Dorna, Alessandro, Death of, 499 
Dorpfeld (Dr.), Prehistoric Palace of the Kings of Tiryns, 218 
Douglass (Sir J. N.), Fluted Craterless Carbons for Are Light- 
ing, 209 ; Opening Address in Section G (Mechanical Science) 
at the British Association, 502 
Doumer (M. E.), Measurement of the Intensity of Sound by 
Means of the Manometric Flames, 356 
Downes (Arthur): Duration of Germ-Life in Water, 265 ; 
Action of Light upon Diastases, 546 ; Actinometry by Oxalic 
Acid, 547 
Dragon Sacrifices at the Vernal Equinox, G. St. Clair, 608 
Draper Memorial Photographs of Stellar Spectra exhibiting 
Bright Lines, E. C. Pickering, 439 
Dreyer (Dr. J. L. E.), Invention of the Sextant, 490 
Drugs, New Commercial Plants and, T. Christy, 335 
Drying up of Siberian Lakes, M. Yadrintseff, 329 
Dublin : University Experimental Science Association, 22 
Dubois (M. R.), Influence of Anesthetic Vapour on Living 
Tissues, 163 
Dubois (Dr.), Luminosity of Insects, 578 
Dubosc (M.), Death of, 576 
Duboseq (Th. and A.), Saccharimeter for White Light, 378 
Duck, Quadruped, Rey. Edward Geoghegan, 314 
Duck Decoys, the Book of, Sir Ralph Payne-Gallwey, 109, 
to Pyrotechnical 
309 
Duckworth (W.), and H. A. Macpherson, Birds of Cumber- 
land and Westmoreland, 618 
Dufferin (Lord) on Technical Education, 370 
Duhem (F.), Caloric Cap icity of Dissociable Gaseous Combina- 
tions, 435 
Duration of Germ-Life in Winter, Arthur Downes, 265; Percy 
F. Frankland, 289 
Durham (James), the Volcanic Rocks of Norih-Eastern Fife, 
216 
Durham (Wm.), Laws of Solution, 263; Solution Discussion 
at the British Association, 468 
Dust in Mines, on Laying the, W. Galloway, 278 
Dust-Glows, Krakatdo, Mr. Verbeek on, 33 
Dust-Storms of Pekin, 348 
Dutch Royal Institution of Engineers, 154 
