Nature, 

 December 14, 



Index 



Assyriology : Death of Prof. Juli's Oppert, 421; Obituary 

 Notice of. 432 



Asteroids : Occio [475], an Interesting Asteroid, R. H. 

 Frost, 330, 388 ; Variation of a Newly Discovered 

 Asteroid, Dr. Palisa, 494 ; the Variable Asteroid 

 190S Q.V., Dr. Palisa, 51S; Prof. Berberich, 518; 

 Ephemeris of the Variable Asteroid (1(17) L'rda, A. 

 Berberich, 542 



Astronomy : Recent Spectroheiiograph Results, Dr. William 

 J. S. Lockyer, 9 ; Phillip Fox, 183 ; Interpretation of 

 Spectroheiiograph Pictures, M. N. Donitch, 495 ; Prof. 

 Hale and Mr. Ellerman, 495 ; Our Astronomical Column, 

 19, 43. bti. 89, no, 135, 158, 183, 207, 230, 255, 279, 302, 

 330, 352, 388, 424, 436, 46s, 494, 518, 542, 567, 591, 

 bio, 639 ; Discovery of a Tenth Satellite to Saturn, 19, 

 13s; Prof. W. H. Pickering, 19; Observations of the 

 Satellites of Saturn and Uranus, Messrs. Frederick and 

 Hammond, 230 ; the Rings of Saturn, MM. Amann and 

 Rozet, 388; Light-variation of Saturn's Satellites, Dr. 

 P. Guthnick, 611; Observations of Phoebe, R. H. F'rost, 

 330; the Alleged Identity of Comets "Brooks 1889" 

 and Lexell, Dr. Charles L. Poor, 19 ; Ancient Drawings 

 of Celestial Phenomena, Dr. W. Lehmann, 19 ; Mount 

 Wilson Observatory, Prof. Hale, 19 ; Anomalous Dis- 

 persion and " Flocculi," Prof. Julius, 19; Astronomical 

 Society of America, ig ; Astronomy for Amateurs, Camille 

 Flammarion, 29 ; Notes on Stonehenge, Sir Norman 

 Lockyer, K.C.B., F.R.S., 32, 246, 270; Death of Prof. 

 Otto von Struve, 38 ; Obituary Notice of, 61 ; Ephemeris 

 for Comet 1905U, M. Ebell, 43 ; Orbit of Comet 19050, 

 Miss Lamson, 66 ; Elliptical Elements for the Orbit of 

 Comet 1905a, Prof. Banachiewicz, 207 ; A. Wedemayer, 

 207; Comets 1905 II (1904c) and 1904 I, Dr. .Strbmgren, 

 43 ; Herr Nijiand and Herr van d. Bilt, 43 ; Observations 

 of Jupiter, MM. Flammarion and Benoit, 43 ; a Sus- 

 pected .Sudden Change on Jupiter, Major Molesworth, 

 207 ; Observations of Jupiter's Great Red Spot, Stanley 

 Williams, 330; Eye-estimates of the Transits of Jupiter's 

 Spots, Rev. T. E. R. Phillips, 518; Provisional Elements 

 for Jupiter's Sixth Satellite, Mr. Crommelin, 66; Bright- 

 ness of Jupiter's Satellites, Prof. Wendell, 66; Prof. 

 W. de Sitter, 207 ; Jupiter's Sixth and Seventh Satellites, 

 Prof. Perrine, 135 ; Dr. Albrecht, 352 ; Dr. Frank E. 

 Ross, 352 ; Observation of Jupiter's Seventh .Satellite, 

 Prof. Albrecht, 424; Observations of Jupiter's Satellites, 

 Profs. A. A. Nijiand and J. van d. Bilt, 567; the Elec- 

 trical Charge of the Sun, Prof. Svante Arrhenius, 43 ; 

 Memoria sobre el Eclipse Total de Sol del dia 30 de 

 Agosto de 1905, D. Antonio Tarazona, 77 ; Mechanical 

 Lantern Slide Illustrative of the Phenomenon of a Total 

 .Solar Eclipse, W. Shacklcton, 91 ; Geodetic Measure- 

 ments from .Solar Eclipses, C. E. .Stromeyer, 230; Pro- 

 posed Observation of Mercury during the Solar Eclipse, 

 Dr. G. Johnstone Stoney, F.R.S., 244; the French 

 Eclipse Expeditions, 279 ; French Observations of the 

 Total Solar Eclipse, Prof. Janssen, 518; M. Bigourdan 

 518; M. Stephan and M. Tripled, 518; M. Bourget 

 518; M. Nordmann, 518; M. Salet, 518; M. Move, 518, 

 Further Results obtained by the French Eclipse Expedi- 

 tions, MM. Deslandres and Andoyer, 567; M. Salet, 591 

 Prof. Janssen, 639; E. Stephan, 640; M. Bigourdan 's 

 Eclipse Results, 610 ; Eclipse Shadow Bands, h. Law- 

 rence Rotch, 307 ; Proposed Magnetic and Allied Observ- 

 ations during the Total Solar Eclipse on August 30, 

 Dr. L. A. Bauer, 342 ; the Forthcoming Total Solar 

 Eclipse, Dr. William J. S. Lockyer, 399; the Total 

 Solar Eclipse, August 30, Dr. William J. S. Lockver, 

 f<:i: Observations of the Total Solar Eclipse in Tripoli, 

 Barbary, Prof. David Todd, 4S4 ; Observations of the 

 Electric Conditions of the Atmosphere during the Recent 

 Solar Eclipse, Prof. F. Elster, Prof. H. Gcitel and 

 F. Harms, 490 ; the Solar Phvsics Observatory Eclipse 

 Expedition, Dr. William J. S.' Lockyer. 50S ; Influence 

 of the Eclipse of August 30 on Plants, Ed.' Bureau, 528; 

 Observations of the Total Eclipse of the Sun at Guelma, 

 Ch. Tr(5pied, 576; Eclipse Predictions, J. Y. Buchanan, 

 F.R.S., 603; Dr. A. M. W. Downing, F.R.S., 629; 

 Eclipse Phenomena. Sir Oliver Lodge, F.R.S., 629; 

 Observations of " D, " in the Solar Spectrum, Dr. H. 

 Kreusler, 66 ; Visibility of D., as a Dark Line in the 

 Solar Spectrum, Prof.' A. Fowler, 184; A. Buss, 1R4 ; 



Solar Changes and Weather, Dr. William J. S. Lockyer, 

 129, 175 ; A. B. M., 175 ; Solar and Terrestrial Changes, 

 249 ; Observations of Prominences on the Sun's Limb, 

 Prof. Mascari, 158; the Solar Activity, 279; the Solar 

 Activity, January-June, Prof. Mascari, 51S; Dutch 

 Observations of the Corona, Prof. Julius, 303 ; a Solar 

 Outburst? Arthur Mee, 320; Cosmic Dust of Solar 

 Origin, Prof. Schaeberle, 424 ; a Proposed New Method 

 for determining the Solar Radiation, Prof. Ceraslci, 4^7 ; 

 the Figure of the Sun, C. Lane Poor, 567 ; Vegetation 

 and the Sun-spot Period, Camille Flammarion, 303 ; 

 Sun-spot Spectra, W. M. Mitchell, 330; Another Large 

 Sun-spot, 610; the Recent Large Sun-spot, 639; Atmo- 

 spheric Origin of "Shadow Bands," T. Zona, 611; the 

 Problem of "Shadow-bands," Catharine O. Stevens, 

 631 ; a .Spcctrographic determination of the Solar 

 Parallax, F. Kiistner, 611; the International Union for 

 Cooperation in Solar Research, 490; Variability of Minor 

 Planet (15) Eunomia, Prof. Wendell, 43 ; Faintness of 

 Planetary Nebulae, J. E. Gore, 43 ; Variable Stars in 

 the Small Magellanic Cloud, Miss Leavitt, 66; Observ- 

 ations and Light-curves of Several Variable Stars, Dr. 

 L. Terkan, 66 ; Twelve Stars with V'ariable Radial 

 \ elocities. Prof. Wright and Dr. Palmer, 89 ; a Remark- 

 able Variable Star, Prof. E. C. Pickering, no; Variable 

 Stars in the Clusters Messier 3 and 5, Prof. Bailey, 183 ; 

 Winter Fireballs in 1905, Mr. Denning, 66; Newly dis- 

 covered Nebulae, Prof. Max Wolf, 89 ; the Bruce Tele- 

 scope Reference Photographs, Prof. Pickering, 89 ; Comet 

 1904 II (19041;). M. Ebell, 89; Double "Canals" on 

 Mars in 1903, Mr. Lowell, 89 ; Photographic Reality of 

 the Martian Canals, Mr. Lowell, 135 ; Photographs of 

 the Martian Canals, Mr. Lampland, 302 ; Mr. Lowell, 

 302 ; a Projection on Mars, Mr. Lowell, 279 , the North 

 Polar Snow-cap on Mars, 1904-5, Messrs. Lowell and 

 Lampland, 303 ; the Formation of the Martian .Snow- 

 caps, Prof. W. H. Pickering, 255 ; the Formation of 

 the New North Polar Cap on Mars, Mr. Lowell, 352 ; 

 the Planet Mars, Mr. Wesley, 388; Mr. Denning, 388; 

 Major Molesworth, 388; Water Vapour in the Martian 

 Atmosphere, Mr. Lowell, 465 ; Mr. Slipher, 465 ; Cata- 

 logue of New Double .Stars, Prof. Hussey, 90 ; Astro- 

 nomical Occurrences in June, iio; in July, 207; in 

 .\ugust, 302 ; in September, 436 ; in October, 542 ; Radial 

 Velocities of Thirty-one Stars, Prof. Lord, no; Magni- 

 tudes of Nova Persei and Nova Geminorum, Prof. A. .'\. 

 Nijiand, no; Oxford LIniversity Observatory, Prof. 

 Turner, no; Variations of Latitude, Prof. T. Albrecht, . 

 no; New Refraction Tables, Prof. Eichelberger, no; 

 the Motion of the Tail of Borrelly's Comet (1903 iv), 

 Prof. Jaegermann, 135 ; Double Star Observations, J. A. 

 Miller and Prof. W. A. Cogshall, 135 ; Stars with Spectra 

 of the Orion Type, Prof. Pickering, 135 ; the Royal 

 Observatory, Greenwich, 135 ; a Probable Nova in 

 Ophiuchus, Mr. Fleming, 158; Miss Cannon, 158; Prof. 

 Pickering, 15S ; Determination of Meteor Radiants, Mr. 

 Denning, 15S; Aboriginal Methods of determining the 

 Seasons, William E. Rolston, 176 ; Stars with Peculiar 

 Spectra, Mrs. Fleming, 183 ; Prof. Pickering, 183 ; West 

 Hendon House Observatory, 184 ; Perturbations of the 

 Bielid Meteors, Dr. A. M. W. Downing, F.R.S., 189: 

 Royal .Astronomical Society, 190 ; Determination of Heat 

 Radiation from the Moon, Earl of Rosse, 190 ; Diurnal 

 Variations of Nadir and Level of the Greenwich Transit 

 Circle, Astronomer Royal, 190; Recent Positions of Eros, 

 Mr. Manson, 207 ; Recent Observation of Eros, Prof. 

 Millosevich, 2,6; New Observatory in Algiers, Lucien 

 Libert, 207 ; Telescopic Work for Observers of Planets, 

 W. F. Denning, 208; Monochromatic Photographs of the 

 Orion Nebula, Prof. Hartmann, 230; Periodicity of 

 Aerolite Falls, W. H. S. Monck, 230; the Reality of 

 Supposed Changes on the Moon's Surface, M. Puiseux, 

 230 ; the Circumzenithal Apparatus, MM. NusI and Fric, 

 2^0; Determination of Constant of Aberration by Observ- 

 ation of Three .Stars Close to the Pole, H. Renan and 

 W. Ebert, 239 ; the Constant of Aberration, Prof. Doo- 

 little, 592 ; the Planet LTranus, W. F. Denning, 244 ; 

 July and August Meteors, 251; ; .Standard Time in Various 

 Countries, Rear-.Admiral Chester, 256; Harvard College 

 Observatory Annual Report, Prof. E. C. Pickering, 2!;6: 

 Prof. Wendell, 256; Mrs. Fleming, 256; Prof. Frost, 



