Index 



[Nature, ' 

 Septeinber 26, 



Itistruments : 



Radial Velocities by Objective Prism, Prof. R. W Wood, 

 192 ; T. S. H. Graham, 193 



Meteors : 1 ■ 



The April Meteor Shower, 134 ; May Meteors, 252 ; The 

 Perseid Meteoric Shower, 454 ; The August Meteors, 

 W. F. Denning, 472 



Observatories : 



Report of Committee on the Harvard College Observa- 

 tory, 93; Report of the U.S. Naval Observatory, 114; 

 Hyderabad Astrographic Catalogue, 212 ; Report of the 

 Kodaikanal Observatory, 292 ; Annuario of the Rio de 

 Janeiro Observatory, 292 ; Bulletins of the Hector 

 Observatory, N.Z., 333 ; Report of Stonyhurst College 

 Observatory, 414 ; Fifth Annual Report of the Solar 

 Physics Observatory, Cambridge, 512 



Planets : ■ 



The New Wolf Planet, G'. Stracke, 30: The Planet 

 Mars, 52 ; The Minor Planets, Prof. Hirayama, 53 ; 

 Planetary Perturbations and .^^ther-Drift, 72 ; Pertur- 

 bations of Neptune's Satellite, Prof. Armellini, 72; 

 Physical Observations of Venus, Innes, 153 ; The Lunar 

 Crater Eimmart, Dr. Maggini, 153 ; Minor Planets, 

 H. E. Wood ; G. H. Peters ; Prof. Barnard, 174 ; Photo- 

 graphs of the Spectrum of Venus, J. Evershed, 192 ; 

 Minor Planets, 232 ; Discovery of a Planet, Reid, 333 ; 

 The Young Moon seen as a Circle, Miss E. A. Steven- 

 son, 352 



Stars : 



Nebulosity about Nova Persei (1901), Ritchey, 12 ; A 

 Star with a Nova Spectrum,' Dr. Max Wolf, 31 ; The 

 Short-Period Variable RZ Cephei, Martin and Plum- 

 mer, 31 ; Wolf's Nova, 52 ; Motion of our Stellar Sys- 

 tem, Dr. V. M. Slipher, 72 ; Ephemerides of Algol 

 Variables, M. Luizet, 94 ; Spectrum and Radial Velo- 

 city of N.G.C. 1068, Dr. V. M. Slipher, 114; Changes 

 in the Spectrum of 7 Argfls, Dr. C. D. Perrine, 114; 

 The Companion to Sirius, Rev. T. E. R. Phillips, 153 ; 

 SU Cassiopeise, W. S. Adams and H. Shapley, 174 ; 

 New Double Stars, R. G. Aitken, 174 ; Nova Mono- 

 cerotis. Prof. Barnard, 212 ; Distance of the Orion 

 Nebula, Prof. W. H. Pickering, 233; Distance of the' 

 Pleiades, Prof. W. H. Pickering, 252 ; The Spectro- 

 scopic Binary 42 Capricorni, Dr. Lunt, 2.1^2 ; Stellar 

 Investigations at Mount Wilson. W. S. Adams, 273 ; 

 Nebulosity in Star Clusters, Dr. H. Shapley, 314; 

 Interpretation of Stellar Types, Prof. C. D. Perrine, 

 314; The New Star in Aquila, Prof. Fowler; H. Thom- 

 son ; Father Cortie, 333 ; A New Asteroid of the Trojan 

 Group, Dr. M. Wolf, 351 ; A Faint Star with Large 

 Proper Motion, Dr. M. Wolf, 3t;2 ; Parallax of the 

 Barnard Star, 352 ; The New Star in Aquila, Prof. 

 Laskovski and others, 371; ; The New Star in Aquila, 

 Prof. Fowler and others, 393 ; A New Variable Star in 

 Auriga, A. S. Williams, 394 ; The Period of Sirius, 

 R. Jonckheere, 414 ; Two Spectroscopic Binaries of 

 Long Period, J. B. Cannon; Dr. J. Lunt, 4-I/1 ; The 

 New Star in Aquila, Prof. A. Fowler, 433 ; The Spectro- 

 scopic Binary Boss 1082, J. B. Cannon, 434; Radial 

 Velocity, of 3 Canis Majoris, Dr. F. Henroteau, 4!;4 ; 

 Faint Stars with Large Proper Motions, Furuhjelm, 

 492 ; The Spectrum of Mira, W. S. Adams and A. H. 

 Joy, 492; Variable Stars, Luizet, 511 



Sun : 



Infra-red Solar Spectrum, W. F. Meggers, 93 ; Absorp- 

 tion and Radiation of the Solar Atmosphere, Prof. S. 

 Hirayama, 134 ; Early History of the Solar System, 

 Dr. H. Jeffreys, 273 ; Spectra of Chromosphere and 

 Corona, Rev. Father A. L. Cortie, 274 ; The General 

 Magnetic Field of the Sun, Hale. Scares, Van Maanen 

 and Ellerman, 433 ; Periodicity of Solar Radiation, Dr. 

 C. G. Abbot, 492 



Miscellaneous : 

 The Egyptian Government Almanac, IQ18, 12 ; The Cana- 

 dian "Observer's Handbook," q4; Corrections to the 

 Bonn Durchmusterung, Dr. F. KiiStner, 114; Journal of 

 the Chaldean Society, 174 ; Thfe Atomic Weight of 

 " Nebulium," Prof. J. W. Nicholson, 212; Currents in 

 the Upper Air, 232 ; The Strathmore Meteorite, Prof. 

 R. A. Sampson, 314; A Japanese Meteorite, K. Niinomi, 



352 ; The New System of Time at Sea, F. Jacob, 375 ; 

 Relativity; J. Ishiwara ; Dr. L. Silberstein, 454 



kstrosco^us guttatus, Origin' of the Electric Organs in, 



Miss E. G. White, 434 

 Athenaeum Club : Sir J. J. Dobbie elected a Member of 



the, 27 ; Prof. J. H. Jeans and Sir W. S. McCormick 



elected Members of the, no 

 Athenaeum Subject Index to Periodicals, 1916, Science 



and Technology, including Hygiene and Sport, 363, 



Atmospheric Pollution : Advisury Committ^ on, Third 

 Report of the, 214; An Automatic Recorder for the 

 Registration of. Dr. J. S. Owens, 214; The Measure- 

 ment of. Dr. J. S. Owens, 79 

 Audion, The Theory of the, G. Vallauri, 312 

 Auriga, A New Variable Star in, A. S. Williams, 394 

 Aurora : and Magnetic Storm of March 7-8, 32 ; Borealis 

 Expedition of 19 13, Prof. Stormer's, J. F. Schroeter, 

 313; of December 16, 1917, in Christiania, Photo- 

 graphic Deterrhination of the Altitude of the, Prof. C. 

 Stormer, 4 

 Auroral Observations : at the Cape Royds Station, Antarc- 

 tica, Sir D. Mawson, 114; in the Antarctic, Dr. C. 

 Chree, 114 

 Australasian Characeae, Prof. O. Norstedt, 260 

 Australia : A Rain Map of, for 19 17, 412 ; The Fishes of, 

 T. C. Roughley, 395 ; The Flora of, A. J. Ewart, 19 ; 

 South Africa and. Agricultural Education in, 467 

 Australian Fauna, Does the Indigenous, belong to the 



Tertiary?, Prof, H. F. Cleland, 64 

 .A^viation : America and, 32 ; Endowment of a Chair of, 

 in London University, Sir B. Zaharoff, 379 ; Engines : 

 Design, Construction, Operation, and Repair, ist Lt. 

 V. W. Pag6, 242 



Baby, The, Dr. S. Seekings, 403 



Bacteria in Water, Effect of Silver in Destroying, P. 



Saxl, 331 ; The Pieomorphism and Developmental 



Cycles of the. Dr. Sopp, 489 

 Bacteriology during the War, Advances in, Dr. C. H. 



Browning, 512 

 Bakerian Lecture : to be delivered by Sir C. Parsons, 130 ; 



The Production of Diamond, Sir C. Parsons, 197 

 Balfour's, Lord, Committee and the Chemical Trades, 505 

 Balkan Peninsula, Zones of Civilisation in the. Prof. J. 



Cvijic, 509 

 Ballistics, 222 



Balsam Problem, The, J. W. French, 139 

 Barberton Gold Mining District, Geology of the, 415 

 Barley, Treatment of " Covered Smut " of. Prof. E. S. 



' Salmon and H. Wormald, 211 

 Barnard Star, Parallax of the, 352 

 Barometric Pressure, On Diurnal Variation of, T. Torada, 



M. Kiuti, and J. Tukamoto, 253 

 Bathgate Prize of the Royal College of Surgeons of 



Edinburgh awarded to Miss J. A. Sang, 249 

 Bathynella, Structure and Relationships of, Dr. W. T. 



Caiman, 92 

 Beams, Curved, J. J. Guest, 18 

 Bears of North America, The Grizzly and Big Brown, 



Dr. H. Merriam, 230 

 Bee Disease, 47 ; D. Ellis, 103 ; The Writer of the Article, 



104 

 Belcher Islands, The, R. J. Flaherty, 490 

 Belfast, Queen's University, Bequest to, bv Prof. E. A. 



Letts, 278 

 Bell, A. Graham, Telephone Memorial, 5 

 Bellahouston Gold Medal of the University of Glasgow, 



The, awarded to Dr. R. T. Leiper, 348 

 Bennettites Scottii, sp. nov.. Dr. M. Stopes, 219 

 Biology, Applied, 461 

 "Bird-ally" Postcards, 149 



Bird Cult of Ea.ster Island, The, Mrs. S. Routledge. 175 



Birds : Insectivorous, The Value of. Dr. W. E. Collinge, 



• 407 ; The Protection of. Food Crops and, 188 ; Wild, 



Methods in Use for Estimating the Food Contents 



of the Stomach or Crop of. Dr. W. Collinge, 249 

 Birkbeck College, Dr. G. Senter appointed Principal of, 



459 • 



