xxi: 



2NDEX 



[Nature, May 22, 1890 



Nebula N.G.C, 2237, the Cluster G.C. 1420 and, Dr. Lewis 



Swift, 285 

 Nebula, General Catalogue No. 4795, W. E. Jackson, 450 

 Nebular Hypothesis, Herbert Spencer, 450 

 Neo-Darwinians, Duke of Argyll and the, W. T. Thiselton- 



Dyer, F.R.S., 247 

 Nessler's Ammonia Test as a Micro-chemical Reagent for 



Tannin, Spencer Moore, 585 

 Nervous Affection observed in an Insect, Note on a Probable, 



E. W. earlier, 197 

 Netanson (Ladislas), the Characteristic Temperatures, Pressure^, 



and Volumes of Bodies, 167 

 Neumayer (Dr.), der Kompass an Bord, 412 

 Neumayr (Prof ), Death of, 324 

 New Light from Solar Eclipses, William M. Page, William E. 



Plummer, 529 

 New Guinea, Kaiser Wilhelmsland, the North Coast of. 



Admiral von Schleinitz, 21 

 New Guinea and the Molucca Islands, Count Salvadori on the 



Birds of, 85 

 New Guinea, Sir Wm. McGregor's Explorations in, 374 

 New South Wales : Technical Education in, 66 ; Royal Society 



of, 96 ; Meteorology of, H. C. Russell, 113 

 New Zealand, Discovery of Cave-Dwelling in, H. O. Forbes, 209 

 New Zealand for the Emigrant, Invalid, and Tourist, John 



Murray Moore, 342 

 Newall Telescope for the University of Cambridge, 166 ; the 



Maintaining and Working of the, 357 

 Newcastle Learned Societies' Annual Gathering, 519 

 Newton (Geo. E. ), Visualized Images produced by Music, 417 

 Newton in Perspective, Robert H. Graham, 439 

 Nias Island, Modigliani's Exploration of, Prof. Giglioli, 587 

 Nickel and Iron, the Villari Critical Points in, Herbert Tomlin- 



son, F.R.S., 574 

 Night-Clouds, Luminous : Evan McLennan, 131 ; Photographs 



of, O. Jesse, 592 

 Nitrogen in Soils, Sources of. Prof. John Wrightson, 286 

 Niven (W. D., F.R.S.), on certain Approximate Formulae for 



Calculating the Trajectories of Shot, Prof. J. C. Adams, 258 

 Noe's (Dr. Franz) Geologische Uebersichtskarte der Alpen, Prof. 



T. G. Bonney, F.R.S., 483 

 Nordenskiold (A. E.), Facsimile Atlas to the Early History of 



Cartography, 558 

 Norfolk and Norwich Naturalists' Society, 519 

 North America, Cave Fauna of, with Remarks on the Anatomy 



of the Brain and Origin of the Blind Species, A . S. Packard, 507 

 North (Barker) and John Mills, Introductory Lessons in Quan- 

 titative Analysis, 197 

 North Celebes, a Naturalist in, Sydney J. Hickson, Dr. F. H. 



H. Guillemard, 457 

 Northwich, Subsidence at, 230 

 Nuovo Giornale Botanico Italiano, 405 



'Oates (E. W.), Ornithology of India, Vol. I., 388 

 •Oates (Frank), Matabele Land and the Victoria Falls, R. 

 Bowdler Sharpe, 169 



Objects for the Spectroscope, A. Fowler, 20, 44, 68, 87, 114, 

 138, 163, 183, 210, 232, 257, 285, 304, 326, 350, 374, 402, 

 428, 449, 472, 521, 548, 571, 595 

 •Observatories: Karlsruhe Observatory, A. Fowler, 20; Palermo, 

 88 ; Paramatta, 88 ; Greenwich, 305 ; Dun Echt, 351 ; Mel- 

 bourne, 351 ; Astronomical Observatory of Harvard College, 

 446 ; Vatican, 472 ; Madagascar, 497 ; the Effect of Railways 

 on Instruments in, 592 



Observatory : Proposed Meteorological, in Loochoo Islands, 401 ; 

 Fort William Meteorological, 518 



Ocean Currents, Distribution of Animals and Plants by, Rev. 

 Paul Camboue, 103 



Ocean, German, Botanical Condition of, Major Reinhold, 569 



Ocean Water, is the Bulk of, a Fixed Quantity, A. J. Jukes- 

 Browne, 130; T. Mellard Reade, 175 ; Rev. O. Fisher, 197' 



Oceans, Area of the Land and Depths of the, in Former Periods, 

 T. Mellard Reade, 103 



Oceans, the Permanence of Continents and, Joseph John 

 Murphy, 175 



Odontology : Who Discovered the Teeth in Ornithorhynchus ? 

 Dr. C. Hart Merriam, 11, 151 ; Prof. W. H. Flower, F.R.S., 

 30, 151 ; Prof. Oswald H. Latter, 30, 174 



Oil on Disturbed Water, Effect of, Richard Beynon, 205 ; A. B. 

 Basset, F.R.S., 297 



Old Age, Dr. Geo. M. Humphry, F.R.S., 484 



Olfactometer, Dr. Zwardemaaker, 349 



Olive Cultivation in India, 303 



Oliver (Dr. Francis), the Weather Plant {Abrns precatorhis), 



283 

 Olliff (A. S.), Extraordinary Abundance of Noctuid Moth 



{J gratis spina) in New South Wales in October, 161 

 Oology : the Nests and Eggs of Indian Birds, by Allan O. Hume, 



Vol. I., 388 ; A. J. Campbell's Collection of Eggs in Western 



Australia, 593. See also Eggs 

 Opera Glass, Astronomy with an, Garrett P. Serviss, 462 

 Ophiuchus, New Short Period Variable in, 403 

 Opossum in Tasmania, Destruction of, 304 

 Optics: Geometrical, Notes on (II. ), Prof S. P. Thompson, 



213 ; Traite d'Optique, M. E. Mascart, Prof. J. D. Everett, 



F.R.S., 224; Vision-Testing for Practical Purposes, Brudenell 



Carter, 302 ; Measurement by Light-Waves, A. A. Michelson, 



405 : Abbe's Apparatus for Testing Transparent Films with 



Plane Parallel Surfaces, Dr. Lummer, 552 

 Oranges and Lemons of India and Ceylon, the Cultivated, Dr. 



E. Bonavia, C. B. Clarke, F.R.S., 579 

 Orbit of Swift's Comet (V. 1880), 257 

 Orbits of the Companions of Brooks's Comet (1889 V., July 6), 



305 

 Ornithology: Argentine Ornithology, P. L. Sclater, F.R.S., 

 and W. H. Hudson, R. Bowdler Sharpe, 7 ; Count Salvadori 

 on the Birds of New Guinea and the Molucca Islands, 85 ; 

 Pheasant-Culture on the Pacific Coast, Dr. Meriam, 137 ; the 

 Food of Crows, W. B. Barrows, 137 ; Notes on Sport and 

 Ornithology, H.I.H. the late Prince Rudolph of Austria, 

 169 ; Matabele Land and the Victoria Falls, Frank Oates, 

 169 ; Index Generum Avium, F. H. Waterhouse, 169 ; Birds 

 of Oxfordshire, O. V. Aplin, 169; the Birds of Berwickshire, 

 Geo. Muirhead, 169 ; the Birds in my Garden, W. T. Greene, 

 • R. Bowdler Sharpe, 169 ; Birds that have struck the Statue 

 of Liberty in New York Harbour, Jonathan Dwight, Junior, 

 181 ; Chiff- Chaff Singing in September, 298 ; Rev. W. 

 Clement Ley, 317 ; Pallas's Cormorant, 373 ; Oates's 

 Ornithology of India, Vol. L, R. Bowdler Sharpe, 388 ; the 

 Nests and Eggs of Indian Birds, by Allan O. Hume, Vol. I., 

 edited by E. W. Oates, R. Bowdler Sharpe, 388 ; the 

 Chaffinch, E. J. Lowe, F.R.S., 394; A. J. Campbell's Col- 

 lections of Western Australian Bird- Skins and Eggs, 593 ; 

 Effects of Music on a Canary, 593 ; Dr. R. W. Shufeldt on 

 Avian Anatomy, 594 



Ornithorhynchus, Who discovered the Teeth in the, Dr. C. 

 Hart Merriam, 11, 151; Prof W. H. Flower, F.R.S., 30, 

 151 ; Prof Oswald H. Latter, 30, 174 



Orycteropus, a Milk Dentition in, O. Thomas, 309 



Osborn (H. Leslie), a Preservative for Animal Tissues, 199 



Osborn (Henry Fairfield), Palaeontological Evidence for the 

 Transmission of Acquired Characters, 227 



Osteolepidse, 271, 342 ; E. Meyrick, 342 



O'Sullivan (C, F.R.S.), Arabinon, 262 



Oudemans (Prof. J. A. C.) on Star Distances, 81 



Oxford "Pass" Geometry, 467 



Oxfordshire, the Birds of, O, V. Aplin, R. Bowdler Sharpe, 

 169 



Ozone, Production by Flames of, J. T. Cundall, 502 



Pacific Coast, Pheasant Culture on. Dr. Meriam, 137 



Pacific, Notes on a Recent Volcanic Island in the. Captain W. 



J. L. Wharton, F.R.S., 276 

 Pacific Slope, Geology of the Quicksilver Deposits of the, G. 



F. Becker, 532 

 Packard (A. S.), Cave Fauna of North America, with Remarks 



on the Anatomy of the Brain and Origin of the Blind Species, 



507 

 Page (William M.), New Light from Solar Eclipses, William 



E. Plummer, 529 



Paimpol, Natality of, M. Dumont, 332 



Painter (Rev. W. H.), the Flora of Derbyshire, 77 



Palaeontology: Fossil Rhizocarps, 10, 154; Gigantic Fossil 



Elephant's Tusk discovered in Italy, 66 ; Dr. H. Burmeister 



on the Fossil Horses and other Mammals of Argentina, 82 ; 



Palseontological Evidence for the Transmission of Acquired 



Characters, Henry Fairfield Osborn, 227 ; Primitive Types of 



Mammalian Molars, 465 ; Antediluvian Remains discovered 



at Ludwigshafen, 520 



Palermo Observatory, 88 



