Vlll 



Index 



\_X<f7'€//tit-r 26, 190b 



Perihelion, Prof. J. Ilolelschelc, 207; the Approaching 

 Return of Hallev's Comet, Prof. H. C. Wilson. 2S1 ; 

 Halley's Cornel, Prof. Turner, 612 ; the Revised Harvard 

 Photometry, 207 : the Parallaxes of Nebulae, Prof. Wilsing, 

 207 ; Einar Huss, 207 ; Solar Prominences in 1907, Prof. 

 Ricc6, 207 ; the Temperature and Structure of the Sun, 

 Dr. O. Lummer, 207 ; Recent Researches in the Structure 

 of the Universe, Prof. J. C. Kapteyn, at Royal Institu- 

 tion, 210, 234; a Long-lived Solar Halo, Catharine O. 

 Stevens, 221; Charles J. P. Cave, 247; Radial Velocities 

 of Ninety-nine Stars, Prof. Kiistner and Dr. Zurhellen, 

 232 ; the' Observation of Coloured Stars, Herr Osthoff, 

 232 ; Photometric Observations of Eros, Dr. Paul Guth- 

 nick, 232 ; the Photography of X'ery Faint Spectra, 

 R. W. Wood, 232 ; July and August Meteors, W'. F. 

 Denning, 232 ; August Meteors of iqoS, W. F. Denning, 

 ^67 ; Nev>- Photographic Celestial Charts, Prof. Johann 

 Pali'sa, 25:; ; Latitude Variation, Dr. Porter, 255 ; Cata- 

 logue of 1680 Stars for the Equinox 1900 o from Observa- 

 tions made at the Royal Observatory, Cape of Good 

 Hope, during the years 1905-6, Sir David Gill, K.C.B., 

 F.R.S., 258"; the Path of the Minor Planet (279) Thule, 

 Dr. A. Wcdemcver, 281 ; an Amateur's Meridian Instru- 

 ment, E. Souli'e, 281; la Terre et la Lune : Forme 

 ext^rieure et Structure interne, P. Puiseux, F. Stratton, 

 291; Large Meteors from Scorpio, Mr. Denning, 306; 

 the Recent Night-glows, Prof. Weber, 306; Herr I\ohl, 

 306; N. Donitsch, 306; the Night-glows at the Beginning 

 of July, Prof. Max Wolf, 377 ; Peculiar Orbit of a 

 Spectroscopic Binary, 330 ; Definitive Elements for the 

 Orbit of Comet 1SS6 \'.,'Gbsta Bucht, 330; .Astronomical 

 Societies in the Prcvinces. 330; Bolides observed during 

 Mav, .M. C. Birkenstock, 330'; Bright Bolides. W. Moss, 

 5S0'; Mrs. E. Gifford, 580; a Bolide with a Persistent 

 Tail, -M. Qu^nisset, 612 ; Sun-spots Visible to the Naked 

 Eve,' 351; Another Large Sun-spot Group, 377; Relative 

 Depths of the Sun-spots of a Group, Prof. Wilhelm 

 Krebs, 402; Large Sun-spots, 470; Large Group of Sun- 

 spots, 550; a Brilliant Fireball, Mr. Denning, 331; Rev. 

 W. F. A. Ellison, 351 ; the Large Meteor of June 28, 

 Mr. Denning, 351 ; a Variable Star of Remarkably Short 

 Period, M. BaiUaud, 351 ; Solar Vortices, Prof. Hale, 368 ; 

 Solar Magnetic Fields and Spectrum Analysis, Prof. P. 

 Zeeman, 369 ; Solar Vortices and Magnetic Fields, E. 

 Percival Lewis, 569 ; Vortices in the Solar Atmosphere, 

 H. Deslandres, 504, 644 ; a Large Prominence, Mr. 

 Evershed, 377 ; the Employment of Selenium Cells in 

 Photometry, Prof. Pfund, 377 ; Registration of the Upper 

 Laver of Calcium in the Solar Atmosphere, H. Deslandres 

 and L. d'Azambuja, 384 ; Astronomischer Jahresbericht, 

 390 ; Search-Ephemerides for Comet Tempelj-Swift, E. 

 Maubant, 402, 5,0; Comet Tempelj-Swift, igoSd, ^L 

 Javelle, 580, 644 ; M. Giacobini, 644 ; M. Maubant, 677 ; M. 

 Bossert, 67S ; Definitive Orbit of Comet 1826 V., A. Hnatek, 

 402; Death of the Earl of Rosse, F.R.S., 431 ; Obituary 

 Notice of, 448 ; Observations of V'ariable Stars, 43C ; the 

 Influence of the Earth's Rotation on the Courses of 

 Rivers, Dr. F. W. Hilgendorf, 436; a Possibly Undis- 

 covered Form of Solar Radiation, E. Durand-Griville, 

 436; M. Deslandres, 436; Death and Obituary Notice of 

 Prof. Alex. Hansky, 466 ; the Parallax of 61 Cygni. 

 Giorgio Abetti, 435 ; Prominences at the Sun's Poles, 

 Father Fenyi, 41^ : Discovery of a Comet, 1908c, Prof. 

 Morehouse, 470; Prof. Thiele, 470; Comet igoSc, H. 

 Kobold, 486; M. Giacobini, 4S6 ; New Morehouse Comet, 

 igoSc, M. Giacobini, 504; Prof. Palisa, 517: Prof. W'irtz, 

 517; Prof. Abetti, ^^7, 570; M. Sternberg. 517, 612; 

 M. Borrelly, 517; Prof. Morehouse. 517; Comet More- 

 house iQoSc, Messrs. Einarsson and Mever. 54q ; M. 

 Chofardet, 570; Herr Ebell, 570. 644; Prof. H. Thiele, 

 580, 677; Prof. Dale, 580, 612; Prof. E. Millosevich and 

 Dr. Zappa, 012 ; Dr. Kostinsky, 612 ; M. Bigourdan, 

 612 ; Photographs of Comet c 1908 at the Royal Observa- 

 tory, Greenwich, Sir W. H. M. Christie, K.C.B., F.R.S., 

 539' ; Recent Change in the Aspect of the Come I 1908c 

 (Mnn I'.ouse-BorrcUvi, G. Bigourdan, 626; Prof. Ilartwig, 

 677; Messrs. Mctcalf and Morehouse, 677; Prof. Kobold, 

 677 ; Recent Meteors, Mr. Denning, 470 ; the Spectrum of 

 the Nebula HV 15 Cygni, Prof. Max Wolf, 471 ; the 

 Paris Observatory, .M. Baillaud, 471 ; das Problem der 



Entwicklung unseres Planeten-systems, Aufstellung eincr 

 neuen Theorie, Dr. Friedrich Nolke, 474: the Franklin- 

 .•\dams Photographic Chart, 486 ; Anomalous Forms of 

 the Calcium Line, K, in Prominences, Prof. Belopolsky, 

 486 ; the Spectrum of Scandium and its Relation to the 

 Solar Speclra. Prof. A. Fowler, 504 ; Through the Depths 

 of Space Hector Macpherson, jun., W. E. Rolston, 507; 

 .Meteors 'and the Comet, W. F. Denning, 509; Meteors, 

 W. F. Denning, 509 ; the Orbits of Several Spectroscopic 

 Binaries, Mr. Plummer, 517; W. H. Wright, 517; A. B. 

 Turner, 517 ; the Determination of Time in Sub-tropical 

 Latitudes, Messrs. Wade and Craig, 517; Cambridge 

 Universitv Observatory, 517; das Weltgebaude. eine 

 "emeinverstandliche Himmeiskunde, M. Wilhelm Meyer, 

 538 ; the Orbit of f Cancri C, Prof. Doberck, 550 ; the 

 Maiiora Observatory, cw; a Nebulous Field in Taurus, 

 Prof. Barnard, ^30; Dcemringen i Norge, Prof. H. Mohn, 

 508 ; Forms for Astronomical Computations of Time. 

 Azimuth and Latitude, A. R. Hinks and H. K. Shaw, . 

 570 ; the Solar Rotation as determined from the Motion 

 of Dark Calcium Flocculi, Philip Fox. 580; Photometric 

 Observations of Variable Stars, A. Tass, 612; the Solar 

 Svstem, Charles Lane Poor, William E. Rolston, 629; 

 a' Suggested Explanation of the High \'elocities of Gases 

 observed on the Solar Surface, Prof. Arthur Schuster, 

 F.R.S., 662 ; The Orbit of 42 Comje Berenices (2 1728), 

 Dr. Doberck, 644; the Rio de Janeiro Observatory. 644 

 Athanasiadis (G.), the Electric Arc between a Solid Electrode 



and a Liquid, 359 

 Atlantic. Fault Lines in the. Dr. Wm. S. Bruce, 31 

 Atmosphere ; the Warm Stratum in the Atmosphere, Prof. 

 \. Lawrence Rotch, 7; Investigation of the Upper Atmo- 

 . sphere, J. E. Petavel, F.R.S., 56; the Isothermal Layer 



of the 'Atmosphere, Dr. C. Chree, F.R.S., 293 

 Atomic Weight of Radium, the, Bakerian Lecture at Royal 



Societv, Dr. T. E. Thorpe, C.B., F.R.S., 19 

 Auer (J.), Antagonistic Action of Calcium upon the 



Inhibitory Effect of Magnesium, 46 

 August Meteors, July and, W. F. Denning, 232 

 August Meteors of 1908. W'. F. Denning, 367 

 Auld (S. J. M.), Hydrolysis of Amygdalin by Emulsin, 22, 



239 



.Aurora Borcalis. the Magnetic Disturbances of September 

 20 and. Walter Sidgreaves, 663 



Australasia : Historical Geographv of the British Colonies, 

 Australasia, J. D. Rogers, Sir John A. Cockburn, 

 K.C.M.G.. 49; the Journal of the Department of Agri- 

 culture of South Australia, Dr. E. J. Russell, 322 ; 

 Barisal Guns in Western Australia, Dr. J. Burton 

 Cleland, loi ; W. E. Cooke, 390; the Discovery and 

 Settlement of Port Mackav, Queensland, H. Ling Roth. 

 507 ; the Climate and Meteorology of Australia. 653 



Avelot (Captain R.I. African Games, 469 



Aviation, Progress in. Prof. G. H. Bryan, F.R.S., 668 



Ayrton (E. R.), the Eleventh Dynasty Temple at Deir-el- 

 Bahari, 121 



Ayrton (Mrs. Hertha), the Residual Motion of Water 

 Moving in Stationary Waves, 208 



Avrton (Prof. W. E., F.R.S.), Kelvin in the 'Sixties, 



323 

 Azambuja (L. d'). Registration of the Upper Layer of 

 Calcium in the Solar .Atmosphere, 384 



Babcock (Mr.), the Influence of Humidity on Resistances, 



Bachmetjcw (Prof. P.), Exporimentelle Entomologische 

 Studien vom phvsikalisch-chemischen Standpunkt aus, 241 



Backhouse (T. W'.). The " Sky-coloured Clouds," 127; the 

 " Skv-coloured Clouds " or Twilight Glows, 367 



Bacot (A.). Instincts that are not Inherited Memories, 509 



Bacteriology : Bacteria as Agents in the Oxidation yf 

 Amorphous Carbon, Prof. M. C. Potter, 45 ; Method of 

 disintegrating Bacterial and other Cells, Prof. R. 1. 

 Hewlett and J. E. Barna-d, 61 ; Bakterien und ihre 

 Bedeutung im praklischen Leben, Dr. H. Miehe, C. 

 Simmonds. 76 ; the Common Bacterial Infections of the 

 Digestive Tract and the Intoxications arising from Thrm, 

 Prof. C. A. Hcrter, Prof. R. T. Hewlett. 100; der 

 Bedeulung der Reinkultur, Dr. Oswald Richter, 126; 

 the Separation of Bacillus typhosus from Bnctcrium colt. 



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