Supplement to Nature,"^ 

 Junei, 189a J 



Index 



the Astronomical Theory of the Glacial Period, Sir Robert 

 Ball, Prof. G. H. Darwin, F.R.S., 289 ; on some Points in 

 Ancient Egyptian Astronomy, J. Norman Lockyer, F.R.S., 

 296, 373 ; Obituary Notice of Prof. John Couch Adams, 301 ; 

 Proposed National Monument to late Prof. T. C. Adams, 401 ; 

 Election of Sir R. S. Ball to Lowndes Professorship in room 

 of late Prof. Adams, 402; Wolf's Numbers for 1891, 307; 

 Solar Activity in 1891, Rudolf Wolf, 307 ; a New Journal, 

 307 ; Large Meteor of January 24, 1892, W. F. Denning, 

 317 ; New Star in the Milky Way, Ralph Copeland, 325 ; 

 Observations of Mars, Dr. Lohse, 326 ; Solar Prominence 

 Photography, Prof. G. E. Hale, 326 ; Re-discovery of Brooks's 

 Comet (1890 IL), 326; the Vacant Chair of Astronomy at 

 Cambridge, 337 ; on the New Star in Auriga, 344, 366 ; Thos. 

 D.Anderson, 365 ; G. Rayet,4o8 ; J. Norman Lockyer, F.R.S., 

 429 ; the Astronomer-Royal for Scotland, 454, 527 ; H. C. 

 Vogel, 498 ; Report of U. S. Naval Observatory, 352 ; Obser- 

 vations of Nebulae and Star Clusters, M. Bigourdan, 352 ; 

 Solar Observations, Prof. Tacchini, M. Marchand, 352 ; 

 Measures of the Nebula near Merope, 352 ; Photographic 

 Magnitudes of Stars, 380 ; Zodiacal Light, O. T. Sherman, 

 381 ; a Preliminary Statement of an Investigation of the 

 Dates of some of the Greek Temples as derived from their 

 Orientation, F. C. Penrose, 395 ; Solar Disturbances of 189 1, 

 June 1 7, H. H. Turner, 404 ; Photography of Solar Promi- 

 nences, ^L Deslandres, 404 ; on the Variation of Latitude, 

 Dr. S. C. Chandler, 404 ; the Warner Observatory, 422 ; 

 Measurement of Solar Prominences, M. Fizeau. 422 ; the 

 Draper Catalogue of Stellar Spectra, A. Fowler, 426 ; 

 Cordova Observatory, 446 ; Algol, Dr. S. C. Chandler, 446 ; 

 Sun-spots of February, 446 ; a New Comet, Prof. Lewis 

 Swift, 446 ; Prof. Krueger on Motions of Periodic Comets, 

 446 ; Orientation of Ancient Monuments, Rev. Fred. F. 

 Grensted, 464 ; Solar Investigations, Prof. Hale, 473 ; New 

 Double Star, 26 Auriga2, S. W. Burnham, 473 ; Rotation 

 of Jupiter, W. F. Denning, 473 ; New Star in Auriga, Herrn 

 Eugen and Gothard, J. Norman Lockyer, F.R. S., 473 ; the 

 Lick Spectroscope, 473 ; a Bright Comet, 473 ; Sun Pillar, 

 Annie Ley, 484 ; New Comet, W. F. Denning, 484 ; 

 Fuzziness of some Variable Stars, Cuthbert G. Peek, 497 ; 

 Astronomical Possibilities at Considerable Altitude, Prof. 

 Pickering, 498 ; Increase of the Earth's Shadow during Lunar 

 Eclipses, Dr. Hartmann, 498 ; Aberration, Lord Rayleigh, 

 Sec.R.S., 499; a New Comet, W. F. Denning, 513; the 

 Planet Jupiter, 521 ; the Objective Prism, Prof. Pickering, 

 521 ; Variation of Latitude, Dr. B. A. Gould, 521 ; the 

 Discovery of Neptune, Prof. Holdeo, 522 ; Astronomy at the 

 Paris Academy, March 21, 522 ; Variability of Nebulae, Dr. 

 Lewis Swift, 522 ; Solar Prominence Photography, M. 

 Deslandres, 522 ; Aurora Spectrum, Prof. Hale, 522 ; the 

 Capture ofLexell's Comet by Jupiter, Prof. G. H. Darwin,526; 

 the Relative Motion of 61 Cygni, Prof. A. Hall, 547 ; the 

 Temperature of the Sun, M. H. Le Chatelier, 547 ; Comet 

 Swift, March 6, 548 ; Wolfs Comet, 1891 II., Herr Dr. 

 Thraen, 548 ; Periodic Perturbations of the Four Inner 

 Planets, Prof. Newcomb, 548 ; N.P.D.'s observed with 

 Greenwich and Washington Transit Circles, Prof. Newcomb, 

 548 ; Washington Observations, 1887, 548 ; Observations 

 of the Spectrum of Nova Aurigse, Dr. Henry Crew, 569 ; 

 E. W. Maunder, 616 ; Denning's Comet {b 1892) ; Dr. R. 

 Schorr, 569 ; Comet Swift, 1892, 569 ; Displacement of 

 Radiant Points, Dr. J. Kleiber, 570 ; Two New Variables in 

 Cepheus, Paul S. Yendell, 570 ; on the Variation in Lati- 

 tude, M. Faye, 570 ; Elementary Mathematical Astronomy, 

 C. W. C. Barlow and G. H. Bryan, 579 ; Astronomy at the 

 Paris Academy, April 11, MM. Perigaud and Boquet, 589; 

 Solar Heat, Dr. Joseph Morrison, 589 ; Periodic Variations 

 in Latitude, — Chandler, 5S9 ; Perseids observed in Russia 

 in 1890, Th. Bredichin, 597 ; Photography at the Cape 

 Observatory, D. Gill, 600 ; Photographs of the Region of 

 Nova Cygni, 617 ; Winnecke's Comet, Dr. G. F. Haerdtl, 

 617 ; Personal Equations in Transit Observations, 617 ; the 

 Sirius System, Dr. A. Auwers, 617 ; Photographs of a part 

 of Cygnus, M. Faye, 624 

 Atlantic, North, Severe Weather in the. October 1891, 38 

 Atlantic, North, Pilot Chart of, December 1891, 258 

 Atlas, the Dwarfs of Mount, R. G. Haliburton, 66 

 Atlas, Handy, of Modem Geography, 605 

 Atlas, the Universal, 52 

 Atlatl, the Mexican, 66, 102 



Atmosphere, the Mass of the, M. Mascart, 311 



Atmosphere, Polarization of, by Light of Moon, N. PiltschikoflF, 

 456 



Atmosphere, the General Circulation of the, Dr. J. M. Pemter,S93 



Atmospheric Pressure, Physiological Action of Diminished, 

 F. R. Mallet, 606 



Atmospheric Rings, Dr. Sprung, 599 



Attitudes of the Zebra during Sleep, and their Influence on 

 the Protective Value of its Stripes, on the, 248 



Aubin (Percy A.), the Limpet's Power of Adhesion, 464 



Auriga, on the New Star in, 344, 366 ; Thos. D. Anderson, 

 365; G. Rayet, 408; J. Norman Lockyer, F.R.S., 429; 

 Astronomer-Royal for Scotland, 454, 527 ; S. W. Burnham, 

 473 ; H. C. Vogel, 498 



Auroras : a Rare Phenomenon seen at Lyons, N.Y., Dr. M. A. 

 Veeder, 7 ; at Halifax, Prof. J. G. MacGregor, 7 ; at 

 Toronto, R. N. Hudspeth, 7 ; Plan for Observations to 

 determine Local Distribution and Altitude of, M. A. Veeder, 

 234 ; Aurora, Geo. M. Seabroke, 605 ; Arthur Marshall, 605 ; 

 Arthur E. Brown, 605 ; Aurora visible from Westgate-on- 

 Sea, 613 ; Aurora Borealis, J. Lovel, 223 ; Aurora Borealis 

 in America, Remarkable Display of, 378 ; the Aurora 

 Spectrum, Prof. Hale, 522 



Australia : Hydrology of the Mitta Mitta, James Stirling, 40 ; 

 Botanical Museums and Gardens of Australasia, Prof. Goodale, 

 65 ; a New Freshwater Isopod, Charles Chilton, 66 ; Olive- 

 Culture in Australia, J. L. Thomson, 135 ; Horticulture in 

 South Australia, 184. Australasian Association for the Ad- 

 vancement of Science : Section A, Mathematics, Physics, and 

 Mechanics — Mathematical Analogies between various Branches 

 of Physics, Prof. Bragg, 423 ; Seismological Phenomena in 

 Australasia, 423 ; Quaternions as a Practical Instrument of 

 Physical Research, A. McAuley, 423 ; the Grouping of Stars 

 in the Southern Part of the Milky Way, H. C. Russell, 

 F.R.S.,423. Section B, Chemistry and Mineralogy— W. M. 

 Hamlet on the Progress of Chemistry in Australasia, 423 ; 

 A. Liversidge, F.R.S., on the Rusting of Iron, 424. Section 

 C, Geology and Palaeontology— T. W. E. David on Volcanic 

 Action in Eastern Australia and Tasmania, 424 ; W. J. C. 

 Ross on the Discovery of Two Specimens of Fossil Lepido- 

 dendrons in the Neighbourhood of Bathurst, New South 

 Wales, and the Inferences to be drawn from their Occurrence, 

 424. Section D, Biology— Prof. W. Baldwin Spencer on the 

 Freshwater and Terrestrial Fauna of Tasmania, 425 ; Prof. 

 Hutton on the Origin of the Struthious Birds of Australasia, 

 425 ; Prof. Spencer on the Habits of Ceratodus, the Lung 

 Fish of Queensland, 425. Section E, Geography— Captain 

 Pasco on Early Discoveries in Australia, 425 ; D. Murray on 

 Mr. Lindsay's Expedition in Western Australia, 425 ; J. P. 

 Thomson on Recent Explorations and Discoveries in British 

 New Guinea, 425. Section F, Economics and Social Science 

 and Statistics, 426. Section G, Anthropology— Rev. Lorimer 

 Fison on Anthropological Study, 426. Section H, Sanitary 

 Science and Hygiene, 426. Section I, Literature and Fine 

 Arts — Prof. Morris on Universities in Australia, 426. Sec- 

 tion J, Engineering and Architecture — C. Napier Bell on 

 Sanitary Engineering, 426 



Austria, Health Springs of Germany and. Dr. F. O. Buckland, 



510 

 Austria- Hungary, the Increase of Population in, 158 

 Austrian Economists, W. Smart, 268 

 Auwers (A.): Determination of the Solar Parallax, 89; the 



Sirius System, 617 

 Aylesbury, Proposed County Museum for Bucks, 1 14 

 Aymonnet (M.), Periodic Heat Maxima observed in Spectra 



from Flint and Crown Glass, and Rock Salt, 504 

 Ayrton (Prof. W. E., F.R.S.) : the Thermal Emissivity of Thin 



Wires in Air, 162 ; Rotatory Currents, 191 ; Electrotechnics, 



326 ; the Function of a University, 439 

 Azaleas, Intermediate Forms of, Wm. Sowerby, 519 

 Azoimide, N3H, Further Researches upon, A. E. Tatton, 127 



Babel, the Tower of, and the Confusion of Tongues, Thos. G. 



Pinches, 210 

 Bacillus in Influenza, the Alleged Discovery of a, 250 

 Backhouse (T. W.) : Apparent Size of Objects near the Horizon, 



7 ; Nacreous Clouds, 365 

 Bacterium allii, Dr. Griffiths, 624 

 Bagard (H.), a Thermo-electric Standard of Electromotive 



Force, 192 



