Nature, June 7, iS 



INDEX 



XXlll 



New Zealand Scale Insects, an Account of, W. M. Maskell, 



125 

 Newberry (J. S.)) on the Decorative Ideas of the Ancient In- 

 habitants of Central America, 64 

 Newcastle-on-Tyne : Bath Lane Science and Art School, 15; 



Public Library of, 140 

 Newcomb (Prof.), American Nautical Almanac Office, 381 

 Newton (E. T.), on the Skull, Brain, and Auditory Organ of a 



New Species of Pterosaurian {Scaphognathus rurdoni) from 



the Upper Lias near Whitby, Yorkshire, 598 

 Newton's Chromatic Circle, G. Govi on, 24 

 Newton's " Frincipia " : Prof. A. Stoletow, 273; Celebration 



at Cambridge of the Bi-Centenary of the Publication of, 614 

 Newton's Rings, Dr. Gumlich, 528 

 Newton's Third Law, Force and. Dr. Oliver J. Lodge, F.R.S., 



558 

 Nias, E. Modigliani on, 17 

 Niblock (Lieut., U.S.N.), Return of, 379 

 Nice Observatory, 47 

 Nichols (Prof. ), Tables of European History, Literature, Science, 



and Art from a.d. 200 to i888, 399 

 Nicols (E, L.): and W. S. Franklin, the Destruction of 



Passivity of Iron in Nitric Acid by Magnetization, 358 ; E, 



H. S. Barley and, on Delicacy of the vSense of Tasce, 557 

 Nicolson (John T. ), Star of Bethlehem, 221 

 Niesten (L.), Total Solar Eclipse of August 19, 1887, u8 

 Night-Frost, Method of predicting. Dr. C. Lang, 18 

 Nipher (Prof. P'rancis E.), Instability of Freshly-Magnetized 



Needles, 77, 392 

 Nitric Acid : Behaviour of Passive Iron towards, 231 ; on the 



Electric Conduct ibility of Concentrated, by M. E. Bouty, 



479 

 Nitrogen Atmospheric, Relations of, with Vegetable Humus, 



Th. Schloesing, 551, 624 

 Nitrogen, Chloride of: Explosive Nature of, Prof. Victor 



Meyer, 349 ; Researches as to the Nature of. Dr. Gattermann, 



350 

 Nitrogen, Trichloride of, 494 



Nordenskjold (A. E.), on a Simple Relation between the Wave- 

 lengths of Spectra, 120 

 North American Taconic System, by Charles D. Walcot, 500 

 North Atlantic Ocean: Daily Synoptic Charts of the, 137; 



Results of Meteorological Observations for 1° Squares of the, 



398 

 Norway : Meteors seen in, 36, 186, 258, 329 ; First Appearance 



of Nut- Crow in, 258 ; Expected Rush of Herring under the 



West Coast of, 64 ; Lemmings in, 283 ; Earthquake at Solum, 



329 ; Deforestation in, 352 ; Animals of Prey killed in, 



616 

 Nova Zembla, Flora of, Herr Holm's Report of, 173 

 Nuovo Giornale Botanico Italiano, 163, 500 

 Nut-Crow in Northern Norway, First Appearance of, 258 

 Nutritive Function, Importance of the, in determining the 



Distinction between Plants and Animals, 144 

 Nyctiphanes norvegica, the Photosphseria of, Rupert Vallentin 



and J. T. Cunningham, 572 



Oberhausen, Earthquake at, 210 



Observatories : Nice Observatory, 47 ; Lick, 66 ; Proposed 

 Magnetic Observatory at Potsdam, 88 ; American Observa- 

 tories, 89 ; Radcliffe Observatory, 91 ; Cases of St. Elmo's Fire 

 recorded at Ben Nevis, 1 12 ; Report for i886 of Natal, 158 ; 

 The Obset-vatory, 187 ; Proposed New Meteorological 

 Observatories in India, 187 ; St. Petersburg Central Physical 

 Observatory, 231 ; New Observatory in Vienna, 259 ; 

 Mauritius Observatory, 284 ; the Cape Observatory, 302 ; 

 Winkler Observatory, 302 ; American Observatories, 330 ; 

 Barometric Observations at Brussels Observatory, 350 ; 

 Perraanent Observatory on the Summit of the Santis, 351 ; 

 Pubhcations of Dunsink Observatory, 353 ; Rousdon 

 Observatory, 353; Melbouine Observatory, 381; Pulkowa, 

 Observatory, 400 ; Wolsingham Observatory, 400 ; Tetbutt's 

 Observatory, Windsor, New Souih Wales, John Tebbutt, 

 400 ; Harvard College, 596 



Occultations of Stars by Planets, 284 



Occultations of Stars by Planets, Herr A. Berberich, 234 



Ocean Currents, Contiguous to the Coast of California, Existing 

 Charts of, 115 



Ocean, History of the. Prof. Eduard Siiss, 354 



Ocean, Surface Temperature of the. Prof. O. Kriimmel, 156 

 Ochsenius (Dr. Carl), Die Bildung des Natronsaltpeters au» 



Mutterlangensalzcn, 220 

 Odessa, Longitude of. Dr. E. Becker and Prof. Block, 302 



Odium Medicum, 289 



Oettingen (Prof) : Explosion of a Mixture of Hydrogen and 

 Oxygen obtained by Electrolysis, 311 ; Interference of Elec- 

 trical Vibrations produced by the Electrical Oscillations dis- 

 covered by Feddersen during the Spark Discharge, 408 



O'Gyalla Spectroscopic Catalogue, 259 



Oil : Colza, Olive, 142 ; the Effects of Oil on Troubled Waters, 

 435 ; Le Filage de I'Huile, le Vice-Amiral G. Cloue, 

 Captain W. J. L. Wharton, F.R.S., 435 ; Right Hon. Lord 

 Justice Edward Fry, F.R.S., 463 



Olbers' Comet, 1887, 37, 158, 285; Herr Tetens, 114; Dr. 

 Krueger, Dr. Lamp, 233 



Oldenburg, Earthquake at, 614 



Olive Oil, 142 



Oliver (J. A. Westwood), Astronomy for Amateurs, 437 



Olivier (Louis), on the Radiograph, 528 



Olliff (Sidney), Giant Lepidopterous Larvae in Australia, 232 



Omond (R. T. ), Glories, Halos, and Coronae, 518 



Optical Demonstration of Electrical Stress, Prof A. W, 

 Rucker, F.R.S., and C, V. Boys, 407 



Optics : Velocity of Light, 328 



Orchids, Semi-double and other, 550 



Orebro, Central Sweden, Earthquake Shock at, 399 



Organic Materia Medica, a Text- Book of, Prof. Robert Bentley, 

 460 



Orientalists, International Congress of, 327 



Origin of Coral Reefs and Islands, the Theories of the, T. 

 Mellard Reade, 54 



Oiigin of Species, Prof, George J. Romanes, F.R.S., 486 



Orinoco, M. Chaffanjon's Journey up the, 286 



Orissa, Disastrous Storm at, Prof. A. Pedler, 68 



Ornithology : the Tweeddale Collection, R. Bowdler Sharpe, 

 13 ; Geographical Distribution of the Charadriida?, Henry 

 Seebohm, 35 ; Proposed Ornithological Exhibition at Berlin, 

 88 ; First Appearance of Nut-Crow in Northern Norway, 

 258; W. K. Parker, F.R.S., on the Secondary Carpals of 

 Carinate Birds, 333 ; American Ornithology, 35 1 ; Birds of 

 Wiltshire, Rev. Alfred Chas. Smith, 601 



Ornithorhynchus paradoxus, the Teeth in the Young, E. B. 

 Poulton, 383 



Oscillations, Minute, of a Uniform Flexible Chain, Dr. E. 

 Lang, 518 



Ostrau-Witkowitz, Earthquake at, 113 



Ostwald (Dr. Wilh.), Lehrbuch der Allgemeinen Chemie, M. 

 M. Pattison Muir, 241 



Owen Stanley Range, New Guinea, ascended by E. H. Martin, 



Owen Stanley Range, New Guinea, and H. O. Forbes, 421 



Oxford : Medical Education at, George J. Wilson, 5 ; Meteoro- 

 logy of, 94 ; Retirement of Prof. Prestwich from the Chair 

 of Geology at, 397 



Oxidation under Voltaic Influence of Metals not ordinarily re- 

 garded as Spontaneously Oxidizable, Note on the Develop- 

 ment of Feeble Currents by Purely Physical Action, and on 

 the. Dr. C. R. Alder Wright, F.R.S , and C. Thompson, 

 213 



Oxides and Salts of Manganese, Action of Roasting on several, 

 by Alex. Gorgeu, 504 



Oxygen and Carbon, Spectra of, compared with that of the 

 Sun, Prof. Trowbridge and Hutchins, Dr. H. Draper, Prof. 

 J. C. Draper, 114 



Oxygen Carriers, Prof. Lothar Meyer, 138 



Oxygen and Hydrogen, Relative Densiiies of. Lord Rayleigh» 

 F.R.S., 418 



Oxygen, Spectra of, M. J. Janssen, 624 . 



Oxygen in the Sun, John Trowbridge and C. C. Hutchins, 47 



Oxygenated Mineral Compounds free of Hydrogen, Action of 

 the Tetrachloride of Carbon on, 600 



Oxyhydrogen Flame, the Spectrum of the. Profs. Liveing and 

 Dewar, 383 



Oyster Bank, Proposed, in the Limfjord in Jutland, 352 y 

 Increase of Oyster Cultivation in France, 139; Oyster- 

 Fisheries on the Tasmanian Coast-line, Saville Kent, 139 ; 

 Cultivation of Oysters, 572 ; Muzzling of Oysters, W. Mattieu 

 Williams, 585 



Ozeanographie, Handbuch der, 315 



