Nature, Dee. 10, 1835] 
Crookes (W., F.R.S.) and M. Lecog de Boisbaudran, Radiant 
Matter Spectroscopy, 283 
Cross-Fell, the Helm-Wind of, 23 
Crystallography: Dr. Max Schuster on some Results of the 
Crystallographic Study of Danburite, 556 
Crystals, Iridescent, of Potassium Chlorate, H. G. Madan, 102; 
Prof. G, G. Stokes, 224 
Cuningham (Prof. D. J.), “on Certain Points of Comparison 
between the Chimpanzee and Man, 588 
Cunningham (Major Allen), on the Colour-Sense, 604 
Cunningham (J. T.), Reports of the United States Commission 
of Fish and Fisheries for 1881-1882, 79; Scottish Marine 
Station, 176; Resting Position of Oysters, 597 
Curator, a Lady, E. L. Layard, 30 
“¢Curiosity-Shop” Beds of New Zealand, Correlations of, Capt. 
Hutton, 311 
Curtis (J. S.), Silver-Lead Deposits of Eureka Nevada, 50 
Cycle, Meteoric, and Stonehenge, R. Edmonds, 436 
Cyclones : in United States, 328 ; in Sweden, 355 ; on a Supposed 
Periodicity of Cyclones of the Indian Ocean South of the 
Equator, Chas. Meldrum, F.R.S., 613; on the Cyclonic 
Character of the Solar Spots, Faye, 495 
Cystoliths, J. Chareyre, 407 
Dagincourt (Dr.), ‘‘ Annuaire Géologique Universel et Guide du 
Géologie autour de la Terre,” 436 
Dairy Farming, British, James Long, Prof. John Wrightson, 
571 
Dana (Jas. D.), the Origin of Coral Reefs and Islands, 554 
Danburite, Dr. Max Schuster on some Results of the Crystal- 
lographic Study of, 556 
Danish Expedition to Greenland, 164, 256; Return of the, 
554 
Darwin Medal, Award of, 230 
Darwin Memorial, 61, 84, 121 
Dayidson (Dr., F.R.S.), Death of, 607 
Davies (D. C.), the North Wales and Shrewsbury Coal Fields, 
118 
Davis (A. S.), Ocular After-Images and Lightning, 126 
Davis Lectures on Zoological Subjects, the, 132 
Dawkins (Prof. W. Boyd, F.R.S.), Coatributions to the History 
of the Pliocene and Pleistocene Deer, 118; the Antiquities 
of the Isle of Man, 579 
Dawson (Sir William, F.R.S.), on the Mesozoic Floras of the 
Rocky Mountain Region of Canada, 164 ; President of the 
British Association for 1886, 502 
Day (Francis), the Male Sole is not Unknown, 78 ; Occurrence 
of Zorfelo marmorata off the Coast of Cornwall, 197; on the 
Occurrence of Lumpenus lampetriformis and Gadiculus ar- 
genteus off Aberdeen, 223; Hybridisation of Salmonidz at 
Howietoun, 562 
Day, Proposed Change in Time for beginning the Astronomical, 
132 
Daylight-Occultation of Aldebaran on May 22, 1868, 86, 183 
“Decomposition” of Didymium, the, Dr. C. A. von Wel-- 
bach, 435 
Deep Borings: W. Whitaker on Deep Borings at Chatham, 
555 
Deer, Contributicns to the History of the Pliacene and Pleisto- 
cene, W. B. Dawkins, F.R.S., 118 
Deering (W. H.), Plutarch on Petroleum, 29 
Definitions, Electrical, Nomenclature and Notations, Prof. 
Andrew Jamieson, 184 
Degrees in Europe, Publication of the Norwegian Commission 
of the Measurement of (Geodesy), 547 
Deherain (P. P.), Experiments to ascertain most Productive 
Kind of Wheat, 496 
“‘Deinocerata, a Monograph of an Extinct Order of Gigantic 
*- Mammals,” Prof. O. C. Marsh, Dr. Arch. Geikie, F.R.S., 97 
Delimitation Commission, Afghan, Dr. J. E. T. Aitchison, 
F.R.S., 226 
Demeny and Marey, the Mechanism of the Pump, 432 
Denning (W. F.), Meteors, 597; April Meteors, 5; July 
Meteors, 342; August Meteors, 415; Jupiter, 31; Recur- 
rence of Markings on Jupiter, 196; Red Spot on Jupiter, 
626; Mars, Jupiter, and Saturn, 548; the New Star in 
Andromeda, 465 ; Fireball, 466 ; om 
INDEX 
XI 
Density of Gases and Air, Dr. Agamemnone’s Experiments on, 48 
Density, Mean, of a Body co ::bining all Known Elements in a 
Solid State, Bartoli, 635 
Determinants, Text-Books of, ‘‘ I ecciones de Coordinatoria con 
las Determinantes y sus principales aplicaciones,” D. Antonio 
Suarez y D. Luis G. Gasco, 411 
Détcyminants, Traité Klémentaire des, L. Leboulleux, 411 
Determinanten, fiir den ersten Unterricht in der Algebra bear- 
beitet, die, Dr. H. Kaiser, 411 
Development of the Czcilians, 526 
De Vico and Barnard, Periodical Comets of, 183 
Devonian Insects of New Brunswick, 53 
Devonian System of Russia, 307 
Diatomite, W. Ivison Macadam on Certain Diatomacesus De- 
posits (Diatomite) from the Peat of Aberdeenshire, 559 
Dictionary, English, Philological Society’s, 159 
Dicynodon in the Triassic Sandstone of Elgin, Presence of the 
Remains of, Prof, J. W. Judd, F.R.S., 572 
Dicynodontia, New Fossil Species of, 556 
Didymium, the ‘‘ Decomposition” of, Dr, C. A, van Welsbach, 
435 
Dieulafait, Application of Thermo-Chemistry to Explanation of 
Geological Phenomena, 592 
Dilatation of Liquids, on Formule of, Prof. Mendeléeff, 87 
Dinosauria, Systematic Position of the Chameleon, and its 
Affinities with the, D’Arcy W. Thompson, 562 
Diorite of Little Knott, the, Prof. T. G. Bonney, F.R.S., 189 
Disinfection of Sewers, Dr. Italo Gigiioli, 415 
Di tance-Measurement, New Instrument for, Dr. L. Cerebotani, 
494 
Dixon (H. B.), Decomposition of Carbonic Acid by Electric 
Spark, 287 
Dobrudja, Report on the, Vice-Consul Comberba‘ch, 64, 
Docks, Harboyrs and, L. F, Vernon-Harcourt, 291 
Dogfish at Inventions Exhibition, Breeding of, 254; at Royal 
Aquarium, Ova of, 515 
Doznies, Earthquake at, 207 
Dohrn (Dr. A.), on Zoological Research, 43 
Donaldson’s Observations on Temperature-Sense, III 
Doolittle (Prof.), ‘‘ Practical Astronomy,” 462 
Dorsetshire, Mirage in, Rey. M. F. Billington, 552 
Douai, Earthquake at, 207 
Double-Stars, 610; 19 (Hey.) Camelopardi, 183 ; 
Star Measures, 86 
Downing (A. M. D.), Proposed Change in the Astronomical 
Day, 523 
Drainage, Banner System of, Banner Brothers and Co., 272 
Draper (Dr. Henry), Experiments made by, on the Use of 
Carbon Bisulphide in Prisms, 272 ; 
Drawing of a Mammoth, an Old, Baron A. F. Nordenskjold, 
228 
Drugs. Plants and New Commercial, Thas, Christy, 125 
Dudgeon’s (Dr.), Chinese Translatians of Gray’s Anitomy and 
Holden’s Osteology, 514 
Duncan (Prof. O. M., F.R.S.), on the Ambulacra of Fossil 
Echinoidea, 69 
Dundee, Proposed School of Medicine in, 254 
Dunes of Gascony, the, Cambrelent, 375 
Durness: B. N. Peach and J. Horne, on the Geology of Durness 
and Eriboll, with Special Reference to the Highland Con- 
troversy, 555 
Dutch African Expedition, the, 403 
Dutch Expedition to New Guinea, Prop»sed, 87 
Dutch Geographical Society, 16 
Dutch West Indian Expedition, Departure of, 16 
Dybovsky (Dr.), the Resources of the Commodore Islands, 
113 
Dyer (W. Thiselton, F.R.S.), the Square Bamboo, 391 
Dynamical Theory of Gases, 352 
Dynamics, a Self-Recording Stress and Strain Indicator, Prof. 
H. S. H. Shaw, 70 
Dynamite, the Blowing up of Hell Gate with, 552 
Dynamo, on the Self-Regulation of the Compound, Prof. 
A. W. Riicker, 22 
Double- 
Earth’s Atmosphere, Sunlight and the, S. P. Langley, 17, 40 
Earth, Vegetation of the, A. Gyisebach, W. Botting Hemsley, 
315; Dr. W. Engelmann, 366 
b2 
