Index 



Association of Economic Biologists, Walter E. Collinge, 125 

 Astronomy : Asser and the .Solar Eclipse of October 29, 878, 

 Rev. C. S. Taylor, 6; Our Astronomical Column, 14, 39, 

 62, 87, no, 132, i(io, 1S6, 205, 230, 256, 285, 308, 332, 

 353. .190. 4'6, 447, 450, 487, 512, :;3b, ^bo, 584, bio, 634; 

 Comet 1004 «, M. Ebell, 14, 40; Dr. Hartwig, 39; Prof. 

 Pickering, 87 ; Lucien Kudaux, 87 ; Prof. .Stromgren, 87, 

 ibo;' Observations on. at Besani;on, P. Chofardet, 23; 

 New Elements and Ephemeris for, Prof. \. O. Leuschner, 

 Messrs. Aitken, Crawford, and Maddrill, 256; Further 

 Ephemeris for. Prof. Xijland, 30S ; Diminution of the 

 Intensity of the .Solar Radiation, Ladislas Gorczyriski, 

 14 ; Spectroscopic Observations of the Rotation of the 

 .Sun, Dr. J. Halm, 22 ; the .Stability of Solar .Spectrum 

 Wave-lengths, .M. Hamy, 87; Structure of the Oxygen 

 Bands in the Solar Spectrum, O. C. Lester, bio ; Solar 

 FacuUc and Prominence \'ariation. Prof. Mascari, 30 ; 

 Solar Prominences during 1903, Prof. Mascari, 41b; a 

 Rapidly Moving .Solar Prominence, J. B. Coit, 560 ; Solar 

 W'ork at the Smithsonian Astrophvsical Observatorv, 39 ; 

 Anomalous Dispersion and Solar Phenomena, Prof. W. H. 

 Julius, 132 ; Primitive Conditions of the Solar Nebula, 

 Francis E. Nipher, 132 ; Total .Solar Eclipse of 1905, 160, 

 416; Prof. W. W. Campbell, 160; .\ppeal for Cooperation 

 in Magnetic and .Allied Ohjervat'ons during the Total Solar 

 Eclipse of .August 29-30, 1905, Dr. L. .A. Bauer, S77 ; 

 the Lick Observatory Programme for Next A"ear's Solar 

 Eclipse, 584 ; Smithsonian Institution 1900 Eclipse Re- 

 sults, Prof. Langlev, 205 ; Determination of the .Solar 

 Parallax, .A. R. Hinks. 238 ; the Solar Parallax as Deter- 

 mined from the Eros Photographs, Mr. Hinks, 256 ; an 

 Expedition for Solar Research, 230 ; .Solar .Surface during 

 1903, M. J. Guillaume, 391 ; Observations of the Solar 

 Surface. January-March, M. Guillaume, 488; Direction 

 of the Sun's Proper Alotion, Prof. Kobold, 459 ; the Sun's 

 -Anti-apex, J. E. Gore, 488; .Sun-spot Periodicity and 

 Terrestrial Phenomena, Prof. O'Reilly, 512 ; Relation 

 between Spectra of .Sun-spots and Stars, Sir Norman 

 Lockyer, K.C.B., F.R.S., 261 ; " Reversals " in Sun- 

 spot .Spectra, W. M. Mitchell, 286 ; Supposed Relation 

 between Sun-spot Minima and Alaxima Intensities, M. 

 Angot, 4S9 ; the Periodical .Apparition of the Martian 

 Canals, Percival Lowell, 14; X'isibility of the Martian 

 Canals, Mr. Lowell, 416: Explanation of the Martian 

 and Lunar Canals, Prof. AV. H. Pickering, 33b; Moisture 

 in the .Atmosphere of Mars, .Arthur J. Hawkes, /;5 ; 

 Position of the -Axis of Rotation of, Mr. Lowell, i8b; 

 the Leonids !n 1903. Maurice Farman, Em. Touchet, and 

 H. Chretien, 23 ; Meteor Radiants Observed at .Athens, 

 Prof. D. Eginitis, 39 ; Magnitude Observations of Nova 

 Persei, Father Hagen, S.J., 39: Spectrum of Nova 

 Persei and the Structure of the Bands, Prof. Becker, 

 262 ; Orbit of the Spectroscopic Binary i Pegasi. Dr. 

 Heber 1). Curtis, 40; June Meteors, 62; a Spectro- 

 heliograph for the Catania Observatory, 62 : the Parallax 

 of K .Andromeda^, J. E. Gore, 62 : Variable Radial 

 Velocity of a .Andromedie and Four Other Stars, A'. M. 

 Slipher, 332 ; the RepsoH Registering Micrometer, Prof. 

 K. Oertel, 62 ; the Spectroscopic Binary ;3 .Auriga;, Prof. 

 Vogel, 62 : Astronomical Occurrences in June, 87 ; in 

 July, 205 ; in -August, 308 ; in September, 447 ; in October, 

 136 ; A'ariable Star Observations, Sir Cuthbert Peek, 

 .87; Prof. H. H. Turner, 87; Provisional Results of the 

 International Latitude .Service, Prof. .Albrecht, 87 ; Royal 

 .Astronomical .Society, 95, 238 ; the Extreme Ultra-violet 

 Spectrum of Hydrogen, Theodore Lyman, no; Variable 

 Radial A'elocity of n Piscium. Prof. H. C. Lord, no; 

 Proposed New Observatories, Profs. Boss, Campbell, and 

 Hale, no; Prof. J. W. Hussey, no; A'ariability of Spark 

 Spectra, -A. S. King, no; Report of the Oxford Univer- 

 sity Observatory, Prof. H. H. Turner, no; the Stereo- 

 comparator, Dr. G. van Biesbroeck, no; .Spectrum and 

 Orbit of 5 Orionis, Dr. Hartmann, 132 ; the A'ariable 

 Radial A'elocity of. Prof. Hartmann, 390; Invariability 

 of Spark and -Arc AVave-lengths, Messrs. Eder and 

 A'alenta, 132 ; the Royal Observatory, Greenwich, 135 ; 

 Duration of the Perseid Shower, W. F. Denning, ibo ; 

 the Perseid Meteoric Shower of 1904, W. F. Denning, 

 416; the Fall of Perseids in 1904, rfenry Perrotin, 476; 

 Observations of the Recent Perseid Shower, Henri 

 Perrotin, ,12 ; Further Observations of. E. S. Martin, 

 536 ; ^^'. Wetherbee, 53b ; Foundation of a New -Astro- 



physical Observatory, Dr. C. Nordmann, ibo ; .Actual 

 Distances between Stars, J. E. Gore, ibi ; the Govern- 

 ment Observatory, Bombay, i8b ; Nebulous -Areas of the 

 Sky, Prof. H. C. Wilson, 186 ; Light Curve of 5 Cephei, 

 M. Beliawsky, 186 ; Orbit of the Companion to Sirius, 

 O. Lohse, 205 ; the German Royal Naval Observatory, 

 Prof. Dr. C. Stechert, 205 ; an Interesting Meteor Trail, 

 J. -A. Perez, 205 ; Observations of the Satellites of Saturn, 

 Lucien Rudaux, 205; Saturn's Ninth Satellite (Phcebe), 

 Prof. E. C. Pickering, 308, 354 ; Position of. Prof. 

 Barnard, 536 ; A'isual Observation of, Profs. Barnard 

 and H. H. Turner, 584; Prof. A\'. H. Piclcering, 634; 

 Rotation of Saturn's Rings, W. F. Denning, 475 ; Ob- 

 servations of Jupiter during 1903, MM. Flammarion and 

 Benoit, 205; Mass and Shape of Jupiter, Brvan Cookson, 

 286; the Red Spot on Jupiter, 332 ; W. F. Denning, 480; 

 the South Temperate Spots on Jupiter, Mr. Denning, 

 3fao ; Recurrent Markings on Jupiter, Mr. Denning, 610; 

 the Markings and Rotation Period of Mercury, 210; 

 Death of Prof. T. Bredichin, 228 ; Obituary Notice of, 

 252; the Number of the .Stars, Gavin J. Burns, 230; 

 Radial A'elocities of the Pleiades, W. .S. -Adams, 230 ; 

 the Orbit of Comet 1889 IV., Dr. Guido Horn, 231 ; 

 New Lists of A'ariable Stars, 231 ; -Astronomical and 

 Historical Chronology in the Battle of the Centuries, 

 AA'illiam Leighton Jordan, 243 ; a Probable Cause of the 

 A'early A'ariation of Magnetic Storms and -Aurora, Dr. 

 .AVilliam J. S. Lockyer, 249 : Experiments on the A'isi- 

 bilitv of Fine Lines, Messrs. .Slipher and Lampland, 256 ; 

 A'ariability of Minor Planets, J. Holetschek, 256; a 

 A'ariable Star Chart, Prof. Max AA'olf, 256 ; the 'Leeds 

 .Astronomical Society, 256 ; " -Annuario " of the Rio de 

 Janeiro Observatorv (1904), 25(1; -Astronomical Seeing, 

 Dr. Halm, 262 ; Grundriss der theoretischen .Astronomie 

 und der (leschichte der Planetentheorie. Prof. Johannes 

 Frischauf, 267 ; Death of Dr. Isaac Roberts, F.R.S., 

 i8i ; Obituary Notice of. 302 ; Radial A'elocity of the 

 Orion Nebula, Messrs. Frost and .Adams, 281 ; Faint 

 Stars Near the Trapezium in the Orion Nebula, J. .A. 

 Parkhurst, 634; Escape of Gases froin the Earth's -Atmo- 

 sphere, Dr. Johnstone Stoney, 286 ; Forthcoming Return 

 of Encke's Coinet, Mr. Denning. 286; Prof. Seagrave, 

 286; Ephemeris for the Return of Encke's Comet. MM. 

 Kaminsky and Ocoulitsch, 353, 450 ; Encke's Comet, 

 Herr Kopff, 610; P. Gotz, bio; Re-discovery of Encke's 

 Comet, 487; the Return of Encke's Comet (1904 V), 512 ; 

 the Centenary of Doppler, Dr. Karl Haas, 308 ; Principal 

 Planes of the Stars, Prof. Newcomb, 30S ; the Persimmon 

 Creek Meteorite, 308; Enhanced Lines of Titanium, Iron, 

 and Nickel, Herbert M. Reese, 30S ; a Modified Form of 

 the Newtonian Reflection, Rev. Chas. Davies, 309 ; M. E. 

 Schaer, 309; A'arious Classes of Silicium Lines and their 

 Occurrence in Stellar Spectra, M. de Gramont, 332 ; Line 

 of Sight Constants for Some Orion Type Stars, Miss 

 E. E. Dobbin, 332 ; the Tails of Borrelly's Comet (1903) 

 and Light-pressure, S. -A. Mitchell, 332 ; Survey of India, 

 1901-2," '332 ; the Revision of the Cape Photographic 

 DurthmuVterang, ^^J ; Determination of Latitude and 

 its A'ariations. E. Bijl, 35a ; the Standardisation of Row- 

 land's Wave-lengths, PVof. Hartmann, 354; Spectra of 

 Neptune and Uranus, A'. M. Slipher, 390; the Return 

 of Tempel's Second (1873) Comet, 390; Ephemeris for, 

 M. Coniel, 439, 634; the Lowell Spectrograph, \. M. 

 Slipher, 416;" a New Band Spectrum of Nitrogen, Per- 

 cival Lewis, 41b : Catalogue of Stars near the South 

 Pole, 447 ; -Annual Report of the Paris Observatory, 447 ; 

 Photographic Magnitudes and Places of 350 Pleiades 

 Stars, Mr. Dugan. 447 ; the Line Spectrum of Copper, 

 .A. S.' King, 459; Dr. Common's bo-inch Reflector, Prof. 

 E. C. Pickering, 487 ; A'ariable Stars in the Large ;Magel- 

 lanic Cloud, 4S8 ; Instructions to Variable Star Observers, 

 488 ; Observations of Fundamental Stars, 488 ; A'ariations 

 in the Lu lar Landscape, Prof. AA'. H. Pickering, 512; 

 the Moon : a Suinmary of the Existing Ki owledge of our 

 Satellite, with a Com'plete Photographic -Atlas, Wm. H. 

 Pickering. Supp. to Afav ,, xi ; Distribution of Nebulae in 

 Relation' to the C.alaxy,'Dr. C. Easton, 530; Publications 

 of the Groningen .Astronomical Laboratorv. Dr. W. de 

 Sitter, 560 : H. -A. Weersma, 5bo ; the Goodsell Ob- 

 servatory Expedition to the Rockv Mountains, Dr. H. C. 

 AA'ilson 'and Prof. Payne, ;6o ; Cause of A'ariability of 

 the Errors of Division in Certain Graduated Circles, G. 



