XSuppUtnent to Natnr 

 December i, 1892 



I 



^^HConstruction Company for the Transmission of Electrical 

 ^^HPower from, 84 



HjjRchols (E. L.), the Age-coating in Incandescent Lamps, 627 

 EJHicolucci (Prof. G.), the Origin of the Ancient Egyptians, 162 

 Niger, Up the, Capt. A. F. Mockler-Ferryman, 512 

 Nitric Organisms, R. Wariiigton, F.R.S., 151 ; Prof. Percy 



F. Frankland, F.R.S., 200 

 Nitrogen, Burning, W. Crookes, F. R.S., 185 ; Density of, Lord 

 • Rayleigh, F.R.S., 512 



Nixon iR. C. J ), Elementary Plane Trigonometry, 488 

 Noble (Major- General), Death of, 84 

 Nock (Mr.), Wild Strawberries in Ceylon, 494 

 Noel (Major the Hon. E.), International Time, 423 

 Noetling (Dr.), the Amber and Jade Mines of Upper Burma, 



549. 550 

 Nomenclature, the International Conference on Chemical, 



Prof. H. E. Armstrong, F.R.S,, 56 

 Nomenclature of Units, Discussion on the, Prof. Oliver J. 



Lodge, F.R.S., 383 

 Nomenclature, Rules of, W. A. Herdman, 417 

 "'orfolk and Norwich Naturalists' Society, 450 



ith America, Longmans' School Geography for, Geo. Chis- 

 i.olm and C. H. Leete, 585 

 iih Atlantic, Prince of Monaco, 406 

 iih Sea Fisheries, the ; Mr. E. W. L. Holt's Investigations, 



Norway, Handbook for Travellers in, 390 



Norway and Sweden, Fall of Hail and Dust in, 108 



Nova Aurigse, 400 ; Prof. Konkoly, 17 ; Rev. A. Freeman, 

 453 : Rev. T. E. Espin, 476 ; Prof Kiistner. 476 ; H. F. 

 Xewall, 489; Dr. F. Ristenpart, 496; Herr Cand. F. 

 Kroeger, 496 : Prof. E. E. Barnard, 496 ; H. Seelinger, 

 552; A. Belopolsky, 552, 576; Dr. J. Holetschek, 576; 

 Photographic Magnitudes of, J. M. Sjhaeberle, 423 ; Nebular 

 Spectrum of, Ralph Copeland, 464 ; the Spectrum of, Herr E. 

 von Got hard, 620 



Nova Scotia, Fossil Entomology of. Sir J. W. Dawson. F. R. S., 

 236 



Nova Scotian Institute of Sciences, 550 



Nuclei, on the Functions, Staining Reactions and Structures of, 

 I )r. G. Mann, 403 



clein. on the Affinity of, for Iron and other Substances, Prof. 

 I ;. Gilson, 405 



A ..cleus in the Vegetable Cell, Experimental Observations on 

 the Functions of the, Dr. J. Clark, 404 



Numbering the Hours of the Day, T. W. Backhouse, 392 



Numeration of Asteroids, 372 



Nuovo Giornale Hotanico Italiano, 90, 436 



Niirnberg, Exhibition at, by the German Mathematical Asso- 

 ciation, 204 



Xyasaland, Industrial Resources of, John Buchanan, 407 



Nvassaland, Mount Milanji in, Alexander Whyte, 482 



.j>;jective.<:, Mounting of, Prof. G. E. Hale, 452 



Observations of Klinkerfues Reduced, the. Prof. Wilhelm Schur, 

 452 



Observatories : Paris Observatory Report, Admiral Mouchez, 

 86; Annual Visitation of the Greenwich Observatory, 156 ; 

 Mr. W. E. Plummer appointed Director of Liverpool Observa- 

 tory, 276 ; Yale College Observatory Report, Mr. Brown, Dr. 

 Elkin, 280 ; Vatican Pubbiicazioni, vol. ii., 299 ; Madras 

 Observatory, 301 ; Oxford University Observatory, 301 ; Solar 

 Observations at the R. Osservatorio del Collegio Ro- 

 mano, Prof Tacchini, 334 : Natal Observatory, 362 ; 

 the Staff at the Lick Observatory, 452 : Daytime 

 Seeing at the Lick Observatory, Henry Crew, 465 ; 

 New Observatories, 476 ; Harvard Observatory, Appeal for 

 Donations to Construct Great Refracting Telescope, E. C. 

 Pickering, 548 ; Report of Mr. Tebbutt's Observatory, 576 ; 

 Meteorological Observatories : the Sonnblick, 332 ; Hong 

 Kong Observatory, Report of Director, 361 



Ocean Currents at Chicago Exhibition, Model of, 451 



Oceanic Circulation, Preliminary Account of, based on the 

 Challenger Observations, Dr. A. Buchan, 383 



Oceanography, Prince of Monaco, 406 



Oceanography, Chemical, 408 



Oceanography, Detailed, and Meteorology, 407 



Odessa University, Memoirs of Mathemaii:al Section of, 236 



Index 



Odling (W,), London Water Supply for September, 1892, 617 



Off (Hussein), Masrite and Masrium, 94 



Ogilvie (F. Grant), the Edinburgh Meeting of the British Asso- 

 ciation, 270 



Ogilvie (Miss), Landslips in the South Tyrol, 428 



Oil as a Wave- Calmer, 228 



Oleomargarin, Prof. G. C. Caldwell, 522 



Oliver (Prof. F. W.), Damage to Plants from London Fog, 185 



Oliver (Major-General), a Mean Time Snn-dial, 230 



Olivier (M. Louis), La Canalisation des Cellules et la Continuite 

 de la Matiere vivante chez les Vegetaux et les Animaux, 404 



Olivet (M.), Electric Heating for Conservatories, 522 



Omori (F.), Comparison of Earthquake Measurements in a Pit 

 and on the Surface, 85 



Onslow (Earl of), Native New Zealand Birds, 502 



Onyx, Deposits in Mexico, Discovery of, 495 



Ophidia, Alimentation in, Leon Vaillant, 364 



Opposition of Mars, 258, 400; J. Norman Lockyer, F.R.S.,. 

 443 



Optics : Apparatus for Measuring Colour-Blindness, Brudenell 

 Carter, 44 ; on a New Method of Viewing Newton's Rings, 

 T. C. Porter, 80 ; an Unit of Measurement of Light and 

 Colour, T. W. Lovibond, 93 ; Reflection and Refraction of 

 Light from a Magnetized Transparent Medium, A. B. Bas- 

 set, F.R.S., 191 ; a Treatise on Physical Optics, A, B. Bas- 

 sett, F.R.S. ; Arthur Schuster, 267; Basset's Physical Optics, 

 A. B. Basset, 315 ; Refraction of Rays of Great Wave-length 

 in Rocksalt, Sylvine and Fluorspar, Rubens and Snow, 483 ; 

 Reflection and Transmission of Light in Certain ^olotropic 

 Struciures, H. E. J. G. du Bois, 483 ; the Optical Indicatrix 

 and the Transmission of Light in Crystals, L. Fletcher, 581 ; 

 Some Optical Illusions, Dr. Joseph Jastrow, 590 : Optical 

 Projection, Sir David Salomon, 625 ; the Polarization of Light 

 of Various Colours by Atmosphere, N. PiltschikofT, 627 ; the 

 Reflection of Light by Moving Bodies, H. A. Lorentz, 628 



Oraefa Jokuell, the First Ascent of, F. W. W. Howell, 406 



Orchids of Grenada, the, Mr. R. V. Sherring's Collections^ 

 300 



Ordnance Maps of Great Britain, the, 135 



O'Reilly (Prof. J. P.), the Former Connection of Southern Con- 

 tinents, lOI 



Organisms, the Nitric, Prof. Percy F. Frankland. F.R.S., 20O 



Orientalists, the International Congress of, 107, 456, 472 



Orientation ; Stone Circles, the Sun, and the Stars, A. L. Lewis,^, 

 127 



Origin of Land Animals, W. J. Sollas, 271 



Origin of the Year, J. Norman Lockyer, F.R.S., 104 



Orion Nebula, the Trapezium in the, Dr. L. Ambronn, 334 



Orizaba (Mount), Measurement by J. T. Scovell of, 598 



Orleans (Prince Henry of), Return of, 180 



Ormerod (Eleanor A.), a Text-Book of Agricultural Entom- 

 ology, 561 



Ormsby (George), the Eruption at Sangir, 457 



Ornithology: Imitation Habits of Starling, 15; the Lesser 

 Spotted Woodpecker, Albert C. Mott, 77 ; the Range of the 

 Sanderling in Winter, Prof. Alfred Newton, F.R.S., 177, 

 222 : Curious Case of Malformation in Beak of Indian 

 Parrakeet, Captain D. Phillott, 190; Malta's Spring Visitors, 

 210 ; Aphanapteryx and other Remains in the Chatham 

 Islands, Henry O. Forbes, 252 ; the Birds of Sutherland and 

 Caithness, T. E. Buckley, 279 ; Ridgway on the Humming- 

 birds, R. W. Shufeldt, 465 ; Acorn-eating Birds of Michigan, 

 Dr. Morris Gibbs, 495 ; Native New Zealand Birds, Earl of 

 Onslow, 502 ; the Question of Legislative Protection for Wild 

 Birds' Eggs, E. P. Knubley, 595 ; the Birds of Lancashire, 

 F. S. Mitchell, 540 ; a Siberian Pectoral Sandpiper Killed 

 at Yarmouth, 549 ; the Briti>h Ornithologists' Union, 572 ; 

 the Madagascar Pratincole at the Zoological Gardens, 616 



Osborne (Henry F.), Palasonictis in the American Lower 

 Eocene, 30 



Osteology of Vertebrated Animals, Catalogue of the Specimens 

 Illustrating the. Recent and Extinct, contained in the Museum 

 of the Royal College of Surgeons of England, R, Bowdler 

 Sharpe, 125 



Osteometry, Human, Sir William Turner, 433 



Ostwald's Klassiker der Exacten Wissenschaften, 391 



0'Sullivan(J.), Hydrolytic Functions of Yeast, 190 



Owens (Prof. W. G.), Chemical Analysis of Meteorite from 

 South Pennsylvania, 67 



E 



