July 22, ISO9J 



Index 



and Solar Temperature, Mr. Evershed, 169 ; a New 

 "Cave-nebula" in Cepheus, Prof. Wolf, 19; the Recent 

 Magnitude of Nova Persei, Prof. Nijland, 19; Double- 

 star Measures, Prof. Burnham, 19 ; Measures of Double 

 Stars, Dr. Lau and Herr Luplau-Janssen, 200 ; 

 .Anomalous Refraction and Spectrohcliograph Results, 

 Prof. Julius, 50; the Constitution of the Sun, J. F. 

 Hermann Schulz, 51 ; M. A. Amaftounsky, 51 ; the Rota- 

 tion of the Sun, Prof. W. S. Adams, 141 ; Partial Eclipse 

 of the Sun in Canada, Dr. Downing, 320; Hale's Solar 

 \'ortices, A. Brester, 79; Pressure in the Sun's Atmo- 

 sphere, MM. Fabry and Buisson, 229 ; the Upper Layers 

 of the Solar Atmosphere, M. Deslandres, 354 ; Recent 

 Solar Researches, Prof. Ricco, 2S8 ; the Present Solar 

 Activity, \V. E. Rolston, 320; Critical E.xamination of 

 the Monochromatic Images of the Sun with the Hydrogen 

 Lines, H. Deslandres and L. d'Azambuja, 389 ; Un- 

 symmetrical Enlargement of the Lines of the Arc Spec- 

 trum and their Comparison with those of the Solar 

 Spectrum, Ch. Fabry and H. Buisson, 389 ; Changes in 

 the Figure and Dimensions of the Sun, Prof. Moulton, 

 439 ; the Determination of the Solar Constant, Messrs. 

 Abbot and Fowle, jun., L. B. .\ldrich, 468; Stellar Evolu- 

 tion, Prof. Moulton, 79 ; Radial Velocity of a Persei, F. 

 Goos, 51 ; a Catalogue of 1625 Southern Stars, Ernest 

 Cooke, 51 ; the Melbourne Observatory, Mr. Baracchi, 51 ; 

 the Cape Observatory, 79 ; the Botallek Circles, Sir 

 Norman Lockyer, K.C.B., F.R.S., q7 : Photographs of 

 Morehouse's Comet, 1908c, Rev. Joel Metcalf, 108 ; Spec- 

 trum of the Comet igoSc (Morehouse), A. de la Baume- 

 Pluvinel and F. Baldet, 149 ; Prof. Hartmann, 380 ; Posi- 

 tions of Morehouse's (igoSc) Comet, Dr. Ebell, 169; 

 Observations made at Meudon Observatory on More- 

 house's Comet, H. Deslandres, A. Bernard, and J. 

 Bosler, 179 ; Comet Morehouse, igoSc, Prof. F. Ristenpart, 

 260 ; Observations of, Mr. Motherwell, 200 ; Theory to 

 .■\ccount for Changes in the Tail of Comet c 1908, Prof. 

 E. E. Barnard, 444; Relation between the Magnitudes 

 and Colours of Stars, Herren Miiller and Kempf, loS ; 

 Colours and Magnitudes of Stars, Mr. Franks, Miss Bell, 

 288 ; Photographic Determination of the Colours of the 

 Stars, Oesten Bergstrand, 299 ; a Remarkable Promin- 

 ence, Father Chevalier, loS ; a Treatise on Spherical 

 Astronomy, Sir Robert Ball, F.R.S., 123; Fall of an 

 .Aerolite in Mokoia, New Zealand, on November 26, 190S, 

 \V. F. Denning, 128; Transactions of the International 

 Union for Cooperation in Solar Research, 134 ; Astro- 

 nomical Occurrences in April, 141 ; in May, 259 ; in 

 June, 409 ; Common Motions of the Principal Ursae 

 Majoris Stars, Dr. Ludendorff, 141 ; the Surface of Rotat- 

 ing Mercury as a Reflecting Telescope, Prof. R. W. 

 Wood, 141 ; Photographs of the Earthshine on the Moon, 

 M. Qu^nisset, 141 ; Cosmical Matter in Space, Prof. 

 Newall, 142 ; Observations of Variable Stars, Prof. 

 Nijland, 142 ; Systematic Motion of the Stars, Prof. 

 Dvson, 148 ; the Gases of the Ring Nebula in Lyra, Prof. 

 Bohuslav Brauner, 158 ; Position of Daniel's (1907^) 

 Comet, H. H. Kritzinger, 169; Recent Observations of 

 Daniel's Comet, 1907^, Prof. Wolf, 410; the Apparent 

 Dispersion of Light in Space, Prof. Lebedew, 169 ; 

 Coloured Stars in the Globular Cluster M. 13, Prof. 

 Barnard, 169 ; the United States Naval Observatory, 170 ; 

 Astronomy of To-dav, Dr. Cecil G. Dolmage, William E. 

 Rolston, 181; .April' Meteors, John R. Henry, 188; In- 

 ternational Chart of the Heavens, 193 ; Diameter and 

 Position of Mercury, Prof. Stroobant, 200; Mercury as 

 an Evening Star, 320 ; the Vatican Observatory, 200 ; 

 a Chinese 'Planisphere, E. B. Knobel, 209 ; the 60-inch 

 Reflecting Telescope of the Mount Wilson Observatory, 

 California, Dr. G. W. Ritchey, 200 ; Royal Astronomical 

 Society, 209, 3S7 ; Moving Force of Terrestrial and Celes- 

 tial Bodies in Relation to the .Attraction of Gravitation, Dr. 

 H. Wilde, 209 ; Mars as the Abode of Life, Percival Lowell, 

 212; the "Original" Canals of the Martian Doubles, 

 Prof. Lowell, 260 ; Mars, Prof. Lowell, 353 ; Develop- 

 ment of Martian Canals, Prof. Lowell, 28S ; Halley's 

 Comet, Mr. Crommelin, 228 ; the Meteoric Shower of 

 Halley's Comet, W. F. Denning, 259 ; the Spectra of 

 NebuljE, Prof. Wolf, Dr. Eberhard, 220; Orbits of Spec- 

 troscopic Binaries, R. H. Baker, F. C. Jordan, 229 ; Spec- 

 troscopic Binaries, Prof. Campbell, 321 ; Dr. Heber D. 



Curtis, 321 ; Prof. W. H. Wright, 321 ; the Circularity of 

 Planetary Orbits, Prof. T. J. J. See, 229; Astronomische 

 Ortsbestimmung im Ballon, Prof. Adolf Marcuse, Dr. 

 William J. S. Lockyer, 244; Persistent Trail of a Meteor 

 on March 14, Edward J. Steer, 248; Harvard Observa- 

 tory Expedition to the Elevated Plateau of South Africa, 

 256; Harvard College Observatory, Prof. Pickering, 321; 

 Annals of the Astronomical Observatory of Harvard College, 

 a Search for a Planet beyond Neptune, W. H. Pickering, 

 463 ; Chromospheric Calcium Lines in Furnace Spectra, 

 Dr. A. S. King, 260 ; Mount Wilson Solar Observatory 

 Report, Prof. Hale, 260 ; Determination of the Solar 

 Parallax from Observations of Eros, Arthur R. Hinks, 

 270 ; the Solar Parallax from Observations of Eros, Prof. 

 Perrine, 468 ; les Planfetes et leur Origines, Ch. hniri, 

 274 ; the Gravitative Strain upon the Moon, Evan 

 McLennan, 276; Sir Oliver Lodge, F.R.S., 307; Occulta- 

 tions of Planets, Dr. Downing, 288; SS Aurigie 

 (31.1907) an Irregular Variable, Prof. Hartwig, 288; a 

 Group of Red Stars in Sagittarius, Mrs. Fleming, 288 ; 

 the Calculation of Cometary Orbits, Prof. Kobold, 288 ; 

 Photometric Observations at Catania, A. Bemporad, 288 ; 

 the Intra-Mercurial Planet Problem, Prof. Campbell, 

 320 ; Dr. Perrine, 320 ; the Uses and Dates of Ancient 

 Temples, Sir Norman Lockyer, K.C.B., F.R.S., 340; 

 Jupiter, Prof. Lowell, 353 ; a Remarkable Transit of 

 Jupiter's Third Satellite, Mr. Innes, 409 ; the Perturba- 

 tions of Brooks's Comet (1889 V) by Jupiter in 1886, Prof. 

 Poor, 410; G. Deutschland, 410; Spectra of some Spiral 

 Nebula; and Globular Star Clusters, E. A. Fath, 354 ; 

 a General Solution of the Spectroheliograph, M. Des- 

 landres, 3S0 ; the Brightness of the Corona, Prof. Per- 

 rine, 380 ; a Standard Scale of Photographic Magnitudes, 

 Prof. Pickering, 380; the Origins of Satellites, Prof. 

 See, 380 ; the Orbit of 4 Bootis, Prof. Doberck, 380 ; the 

 Birth of Worlds, Prof. A. W. Bickerton, 3S0 ; Spectro- 

 scopic Comparison of Ceti with Titanium Oxide, A. 

 Fowler, 387; the Spectrum of Magnesium in Hydrogen, 

 E. E. Brooks, 410; Dispersion of Light in Interstellar 

 Space, Dr. Ch. Nordmann, 409 ; the Variable Star 

 6.1909, Ursa; Majoris, Prof. Wolf, 410; the Rings of 

 Saturn, Prof. Levi-Civito, 439 ; Camera Objectives for 

 Spectrographs, Mr. Plaskett, 440 ; the Astrographic Con- 

 ference at Paris, 440 ; Solar Activity and Terrestrial Mag- 

 netic Disturbances, Dr. L. A. Bauer, 444 ; the Royal 

 Observatorv, Greenwich, 446; Death of Prof. Carl N. J. 

 Borgen, 464 ; the Ensuing Return of the Perseid Meteors, 

 468; a Double Image Coelostat for determining the 

 Moon's Position, Mr. Wade, 468; Discovery of a Comet, 

 1909a, Mr. Daniel, 502 ; M. Javelle, 502 ; Prof. Kobold, 

 502 ; M. Borrelly, 502 ; Elements and Ephemens for 

 Win'necke's Comet, 1909, Prof. Hillebrand, 502 ; the 

 Recent Lunar Eclipse, June 3, MM. Borrelly and Coggia, 



502 ; J. H. Elgie, 503 ; the Photoheliometer, Prof. Poor, 



503 ; the Errors of Position of Images Photographed 

 through Glass, Dr. Schlesinger, 503 



Astrophysics: the Yielding of the Earth to Disturbmg 

 Forces, Prof. A. E. H. Love, F.R.S., at Royal Society, 

 252 • the Gravitative Strain upon the Moon, Evan 

 McLennan, 276; Sir Oliver Lodge, F.R.S., 307 

 Atkins (W. R. G.), Osmotic Pressures of the Blood and 

 Eggs of Birds, 179 . . ^ ■ . 



Atlantic, General Results of the Meteorological Cruises of 

 the Otaria on the, in 1905, 1906 and 1907, L. Teisserenc 

 de Bort and Prof. A. Lawrence Rotch, 219 

 Atlas of the Empire, an, 213 c- c £ 



Atmosphere, lonisation in the. Prof. A. S. hve, 3b 

 Atmosphere, the Isothermal Layer of the, E. Gold, 6» 

 Atmosphere, the Upper Layers of the Solar, M. Deslandres. 



Atmosphere, Temperature of the Upper, Dr. C. Chree, 

 F.R:S., 127, 397; W. H. Dines, F.R.S., 455; Charles 



Atoms,' Radio-activitv in Relation to Morozoff's Theory of 

 the Constitution of. Prof. B. de Szyszkowski, 276 



SS AurigK (31.1907) an Irregular Variable, Prof. 

 Hartwig, 28S , , . . . .u 



.Austerweil (G^za), New Method of Isomerisation in the 

 Terpene Series, 330 



.Australian Kinship, Dr. A. Lang, 247 



