Index 



SupJ)lenient to Nature, 

 June I, r893 



Nebula near f Persei (N. G.C. 1499), the Large, Dr. Scheiner, 



546 

 Neesen (Prof.), Experiments on Photographic . Recording of 



Oscillation of Projectiles, 216 

 Nelson (R. H.), Death of, 353 



Neolithic Village of the Roche-au-Diable, near Tesnieres, 

 Canton of Lorez-le- Socage (Seine-et-Marne), Armand Vire, 

 576 

 Netto (Eugen), the Theory of Substitutions and its Applications 



to Algebra, 338 

 Neumann (Herr), Power of Hydrogen-Absorption of Various 



Metals, 63 

 Neville and Heycock, Isolation of Gold and Cadmium Com- 

 pounds, 40 

 New England, New Methods of disseminating Weather Fore- 

 casts in, 613 

 New England Grammar Schools, Change recommended by 



Association of College Officers in Curriculum of, 279 

 New Guinea, British, J. P. Thomson, Henry O. Forbes, 345, 



414 ; Prof. Alfred C. Haddon, 414 

 New Hebrides, on some Islands of the, Lieut. Boyle T. 



Somerville, 455 

 New South Wales : Artesian Boring and Irrigation in, J. W. 

 Boultbee, 183 ; Physical Geography and Climate of, H. C. 

 Russell, F. K.S., 258 ; Plants most visited by Bees in, 614 

 New York Mathematical Society, Bulletin of, 23 

 New York State Pecuniary Contributions to Agriculture, the, 



349 

 New York, Columbia College ; the Loubat Prizes, 496 

 New Zealand : Earthquake in, 372 ; the Preservation of the 

 Native Birds of, 394 ; Catalogue of the New Zealand Mol- 

 lusca, H. Suter, 397 

 Newall (II. F.), Nova Aurigse, 7 

 Newberry (John Strong), Obituary Notice of, 276 

 Newcastle College of Science, Laying Foundation Stone 



of, 129 

 Newcomb-Engelmann s Populdre Astronomie, 291 

 Newth (G. S.), Note on the Colours of the Alkali Metals, 55 ; 

 Chemical Lecture Experiments, Sir Henry E. Roscoe, 

 F.R.S.. 97 

 Newton (Prof. Alfred, F.R.S.), Palaontological Discovery in 



Australia, 606 

 Newton (E. T.), some New Reptiles from the Elgin Sand- 

 stone, 189 

 Newton (Prof. H. A.), Lines of Structure in the Winnebago 



County Meteorites and in other Meteorites, 370 

 Niagara Spray Clouds, the, Chas. A. Carus-Wilson, 414 

 Nicaragua, the Boundaries of Costa Rica and. Dr. H. Pola- 



kowsky, 257 

 NichoUs (H. A. Alford), a Text-book of Tropical Agricul- 

 ture, 313 

 Nicobar Pottery, E. H. Man, 455 

 Nicolsky (Dr.), Study of the Form of Eggs, 253 

 Nikitine (S.), Constitution of the Quaternary Deposits in 

 Russia and their Relations to the Finds resulting from the 

 Activity of Prehistoric Man, 523 

 Nile, the Stars and the, Capt. H. G. Lyons, loi 

 Nile, the Sacred, J. Norman Lockyer, F. R.S., 464 

 Nitrate of Soda : the Origin of Caliche, G. M. Hunter, 254 

 Nitrogen, Atmospheric, Researches on the Fixation by Mi- 

 crobes of, M. Berthelot, 23 

 Niven (W. D., F. R.S.), the Harmonics of a Ring, 406 

 Nomenclature, Biological ; the rule " Once a Synonym, always 



a Synonym," Elliott Coues, 39 

 Nomenclature, Botanical, W. T. Thiselton Dyer, F.R.S., 53; 



Serene Watson, 53 

 Nordenskiold (M.), Kemarks on the Native Iron of Ovifak and 



the Bitumen of the Crystallised Rocks of Sweden, 552 

 Noorden (Dr. von). Four Experiments on Nutrition, 504 

 Norfolk Coast, Sowerhy's Whale on the, T. Southwell, 349 

 Norfolk and Norwich Naturalists' Society ; Annual Address by 



H. B. Woodward, 562 

 North Sea, Destruction of Immature Fish in the, Ernest W. L. 



Holt, 160 

 North Sea, Magnetic Observations in the, A. Shiick, 555 

 North American Indians, Educational Work among the, 350 

 Notes from the Leyden Museum, 357 

 Nottingham Meeting of the British Association, the Coming, 



612 

 Nova Aurigae, 159, 399 ; H. F. Newall, 7 ; Prof. Barnard, 282 ; 



Mr. Huggins, 425 ; Motion of Nova Aurigse, Prof. W. W. 



Campbell, 256 ; Hydrogen Line H/3 in the Spectrum of, 



Herr Victor Schumann, 425 ; Spectra of Planetary Nebulae 



and Nova Aurigae, M. Kugen Gothard, 352 

 Novel (M. J.), on a new Soldering Process for Aluminium and 



various other Metals, 384 

 Nubibns, Dynamics in, " Waterdale," 601 

 Nutlall (Zelia), the Calendar System of the Ancient Aztecs, 156 



ObrutcheflF (M.), Further Researches in Siberia, 255 



Observatories : a New Observatory at Abasiouman, 133 ; Com- 

 panion to the Observatory for 1893, 159 ; Mont Hlanc Ob 

 servatory, 204 ; Lick Observatory, Miss iVIilicent W. Shinn, 

 209 ; the Harvard College Observatory, Prof. E. C. Pickering, 

 304,403 ; Stonyhurst College Observatory, 450; United States ji 

 Naval Observatory, 452 ; Yale Astronomical Observatory, 

 452 ; Bermerside Observatory, 473 ; the Melbourne Observa- 

 tory, 498 ; Natal Observatory, 498 ; Wolsingham Observa- 

 tory, 518; Circular No. 35, 590 ; T. E. Espin, 452; Paris 

 Observatory in 1892, M. Tisserand, 546 ; Magnetical and 

 Meteorological Observations made at the Government Obi- \ 

 servatory, Bombay, 1890, 379 ; " The Observatory," 566 



Observational Astronomy, Arthur Mee, 437 



Occultation of Mars and Jupiter by the Moon, Prof. Barnard, 



Odorographia : a Natural History of Raw Materials and Drugs 



used in the Perfume Industry, J. Ch. Sawer, 52 

 Odours, Analysis of Complex, Jacques Pa-sy, 48 

 Oesten (Herr), Filtered Sewage Water Favourable to Fish Life, 



350 

 Ohio Valley, the Recent Mound-Excavations in the, M. 



de Nadaillac, i6 

 Oil in Calming Waves, Experiments on the use of, Rear- 



Admiral Cavelier de Cuverville, 279 

 Olphe-Galliard (Victor Aime Leon), Death and Obituary Notice 



of, 395 



Olszewski (Herr), Use of Total Reflection to determine Light- 

 Refraction of Liquid Oxygen, 614 



Omori (F. ), Instruments for the Earthquake Laboratory at the 

 Chicago Exhibition, 356 



Ophthalmology : the Association of Shipping Disasters with 

 Defective Vision in Sailors, Dr. T. H. Bickerton, 16 



Opium Smoke, Chemical Study of, Henri Moissan, 168 ; Phy-i- 

 olngical Study of, G. Grehant and Em. Martin, 168 



Opposition of Mars, the Recent, Prof. W. H. Pickering, 235 



Optics: Optical Illusions, R. T. Lewis, 31 ; W. B. Croft, 78 j 

 Refraction and Dispersion of Light in Metal Prisms, D. 

 Shea, 68 ; a New " Shortened Telescope," Dr. R. Steinheil, 

 113; the Passage of a Wave through a Focus, P. Joubin, 143; 

 Existence of Distinct Nervous Centres for Perception of 

 Fundamental Colours of Spectrum, A. Chauveau, 143 ; the 

 New Telephotographic Lens, T. R. Dallmeyer, 161 ; Re- 

 markable Optical Phenomenon near Zermatt, F. Folic, 303 ; 

 on the Minimum Perceptible Amount of Light, M. Charles 

 Henry, 312 ; the Polarising Action of the Moon on the 

 Atmosphere, Clemence Royer, 325 ; the Alleged Sexual 

 Difference in the Eye, Herr Greef, 325 ; Optical Continuity, 

 Francis Galton, F. R. S., 342; an Optical Phenomenon, 

 Joseph John Murphy, 365 ; Helmholtz Physiological Optics, 

 Prof. J. D. Everett, F. K.S., 365 ; Preliminary Note on the 

 Colours of Cloudy Condensation, C. Barus, 380; the Percep- 

 tion of Colour, W. F. Stanley, 381 ; on Semicircular Inter- 

 ference Fringes, M. G. Meslin, 384 ; Modern Optics and the 

 Microscope, Dr. Henri van Heurck, Rev. Dr, Dallinger, 

 F.R.S., 409; Electrical Actinometers used by Messrs. 

 Elster and Geitel in Measurement of Sun's Ultra-Violet 

 Radiation, 422 ; Two Experimental Verifications Relative to 

 Refraction in Crystals, J. Verschaffelt, 428 ; the Fundamental 

 Law of Complementary Colours, Paui Glan, 455 ; a New 

 Hypothesis Concerning Vision. John Berry Haycraft, 478 ; 

 a New and Handy Focometer, Prof. J. D. Everett, F.R.S., 

 500; on the Measurement of Direct Light by Means of the 

 Tintometer, J. W. Lovibond, 501 ; on the Chromatic Curves 

 of Microscope Objectives, Dr. W. H. Dallinger, 501 ; In- 

 fluence of the Moiion of the Earth on the Propagation of 

 Light in Doubly Refracting Media, Mr. Loientz. 504 ; Pene- 

 tration of Thin Metallic Plates by Cathode Rays causing 

 Phosphorescence, 518; the Dioptrics of Gratings, Dr. J. 

 Larmor, F.R.S., 526; on Si-herical Aberration of the Human 



