XVIU 



Index 



r Nature, 

 \_March 28, igiS 



175 ; Medical Services, Acting Director-General of, Col. 



T. H. J. C. Goodwin to be, 390; Waste Stores, Use 



and Disposal of, A. Bonar Law, 390 

 Art : and Science Buildings, Expenditure in Respect of, 



Sir A. Mond, 489; and Science, Relation between, P. J. 



Hughesdon, 457 « 



Arts, Royal Society of. Programme of the, 210 

 Ascension, the Island of, Enneapogon mollis in, 230 

 Ashes of Certain Trees and Plants, Analysis of the, W. O. 



Robinson, 'L. A. Steinkoenig, and C. F. Miller, 473 

 Asiatic Society of Bengal, The, 333 



Aspergillus glaucus, Fluorescence from. Prof. A. Klocker, 31 

 Astronomical : Consequences of the Electrical Theory of 



Matter, Sir O. Lodge, 395 ; Photographs, Exhibition 



of, Sir F. Dyson; J. H. Reynolds, 112 



ASTRONOMICAL NOTES. 

 Comets : 



Encke's Comet, Dr. M. Wolf, 74; Comet 1916b (Wolf), 

 'Crawford and Alter, 93 ; Ephemeris of Encke's Comet, 

 Viljev, 115; The Orbit of Comet 19140, J. Svardson, 

 154; Encke's Comet, 212 ; Orbits of Comets, S. Ogura, 

 232 ; Photograph of the Spectrum of Wolf's Comet, 

 Prof. V. M. Slipher, 332 ; A Mistaken Comet, Viljev, 

 332 ; Encke's Comet, 372 ; Encke's Comet, Viljev, 412 



Instruments : 

 The loo-in. Reflector at Mount Wilson Observatory, 

 F. G. Pease, 33 

 Meteors : 



September Meteors, W. F. Denning, 93 ; The Meteoric 

 Shower of October, 194; November Meteors, 212; Fall 

 of a Meteorite in Perthshire, 291 ; The Approaching 

 Shower of January Meteors (Quadrantids), T. W. 

 Backhouse, 313 



Observatories : 



Report of H.M. Astronomer at the Cape of Good Hope 

 for 1916, 232 ; Reports of French Observatories, 252 ; 

 The Hector Observatory, N.Z., 272 ; Circular No. 39 

 of the Union Observatory, Johannesburg, 332 ; Report 

 of the Nizamiah Observatory, 351 



Planets : 

 The Lunar Eclipse of July 4, A. Nodon, 14 ; An Empirical 

 Law of Planetary Distances, G. Armellini, 74 ; The 

 Hunter's Moon, 154 ; The Planets in November, 174 ; 

 The Planet Saturn, 433 



Stars : 



Proper Motion of the Great Andromeda Nebula, Prof. 

 Barnard, 14 ; Photographs of Nebulae, F. G. Pease, 

 33 ; Distribution of Spiral Nebulae, Dr. A. F. Sanford, 

 52 ; Colours of Stars in Galactic Clouds, Dr. H. Shap- 

 J^y. 53 » Eclipsing Variables, M. B. Shapley, 74 ; A 

 Colour Scale for Stars, Prof. W. H. Pickering, 93 ; 

 Star Colours, H. E. Lau, 93 ; The New Star in 

 N.G.C. 6946, Dr. Max Wolf, 115; Maximum of Mira 

 Ceti, 154; New Stars in Spiral Nebulae, Dr. H. D. 

 Curtis ; Adams, 174 ; Galactic Condensation of Stars, 

 Dr. F. H. Scares, 194; The Variability of B.D. 

 + 56*547°, Martin and Plummer, 194; Effective Wave- 

 lengths of Clusters and Spiral Nebulae, K. Lundmark 

 and B. Lindblad, 212; A Faint Star as near as o 

 Centauri, J. Voflte, 212 ; Structure of Planetary Nebulae, 

 W. K. Green, 252 ; Orbits of Three Spectroscopic 

 Binaries, Dr.. W. E. Harper, 273 ; Observations of 

 Long-period Variables, M. Luizet, 291 ; Messier's Cata- 

 logue of Clusters and Nebulas, C. Flammarion, 291 ; 

 Observations of fi Lyrae, A. Bemporad, 313; Radial 

 Velocities of St^r Clusters, Dr. Slipher, 313; Parallax 

 of the Ring Nebula in Lyra, A. van Maanen, 313; A 

 New Star in Spiral Nebula N.G.C. 4527, Dr. H. D. 

 Curtis, 351 ; The Nearest Star Known, Innes, 372 ; 

 The Interior of a Star, Prof. A. S. Eddington, 372 ; 

 The Masses of the Stars, Prof, H. N. Russell, 393 ; 

 The Spectrum of o Canum Venaticorum, C. C. Kiess, 

 393 ; Spectra of Jupiter and Saturn, Dr. L. Becker, 

 412 ; Unit of Stellar Distance, de Rey Pailhade, 433 : 

 Luminosities and Parallaxes of 500 Stars, W. Adams and 

 A. H. Joy, 451 ; Third Melbourne Star Catalogue, 452 ; 



• .al.iiiic t'o-ordinates, Dr. A. C. D. Crommelin, 473: 

 The System of *c Pcgasi, Dr. F. Henroteau, 492 ; Nova 

 • in the Andromeda Nebula, 512 ; New Variable Stars. 

 Prof. E. C. Pickering, 512 ; Two Spectroscopic Binaries, 

 R. E. Wilson, 512 ; Proper Motion Stars, Dr. Max 

 Wolf, 512 



Sun : 



Solar Radiation and Terrestrial Meteorology, H. H 

 Clayton, 14; The Great Solar Prominence .of 1910, 

 May 26, J. Evershed, 52 ; The Nature of Sun-spots, Rev. 

 A. L. Cortie, 134; Solar Prominences in 1915, Prof. 

 Ricco, 134; Theory of the Sun, Dr. A. Brester, 154; 

 The Total Eclipse of the Sun, June 8, 1918, 252 ; Solar 

 Observations at Madrid, 412 ; Solar Hydrogen Bombs, 

 F. Ellerman, 451 



Miscellaneous : 



Relativity and Gravitation, Sir O. Lodge, 33 ; New 

 Zealand Standard Time, 174 ; The Journal des Observa- 

 teurs, 194 ; The Iron Arc as a Source of Standard Wave- 

 lengths, St. John and Babcock, 232 ; Erratic Changes 

 in Clock Rates, W. , A. Conrad, 272 ; New Zealand 

 Astronomical Tables, 332 ; " Companion to the Observa- 

 tory " for 1918, 351; The Society for Practical As- 

 tronomy, Annual Report, 1916-17, 394; Relativity and 

 Shifts of Fraunhofer Lines, Dr. St. John, 433 ; The 

 "Annuaire Astronomique " for 1918, 433; "Annuaire du 

 Bureau des Longitudes" for 1918, 452; Molecular 

 Scattering of Light, Prof. Ch. Fabry, 473 ; Journal 

 and Transactions of the Leeds Astronomical Society, 

 1916, 474; Relativity and Gravitation, A. Palatini, 492 



Athenaeum Club, Prof. W- W. Watts elected a member of 



the, 469 

 Athenaeum Subject Index to Periodicals, 1916, 377 

 Atlantic Ocean, Surface Waters of the. Mean Monthly 



Temperatures of the, Dr. C. Ryder, 92 

 Atmosphere : Lower, Phenomena connected with Turbulence 



in the, G. I. Taylor, 239 ; Revolving Fluid in the, Dr. 



J. Aitken, 458 ; Transparency of the, for Ultra-violet 



Radiation, Hon. R. J. Strutt, 144 

 Atmospheric : Gases by Water, Absorption of, J. H. Coste, 



290 ; Pollution, Second Report of the Committee on, 233 

 Atoms and Molecules, Stability of. Prof. J. W. Nicholson, 



339 



Audibility of Sound of a Distant Fog-horn, W. T. Evans, 

 448 



Aurora Relief Expedition, The, Capt. J. K. Davis, 411 



Auroral Heights, Photographic Determination of. Prof. C. 

 Stormer, 511 



Australasian Antarctic Expedition, Oils Prepared during the, 

 470 



Australia: Large Magnetic Disturbances in, 112; Native 

 Grasses of. Prof. H. F. Osborn, 165 ; Science and 

 Industry in, 388 ; the Climate of, Influence of an 

 Antarctic Continent on, Prof. E. David, 254 ; Tropical, 

 Carabidae from, T. G. Sloane, 260 



Australian : Artesian Basin, Problem of the Great, Dr. 

 A. L. du Toit, 5q ; Chemical Institute, An, 93 ; Lepido- 

 ptera. Revision of, part vi.. Dr. A. J. Turner, 259, 260; 

 Mecoptera, Studies in. No. i., R. J. Tillyard, 259 ; 

 String Figures, Some, Miss K. Haddon, 220 ; Trans- 

 continental Railway, The, 13 ; Woods, Occurrence of 

 Crystals in Some, R. T. Baker, 459 



Autumn Moon, The, Sir G. Greenhill, 67 



Aviation allemande, L'evolution de 1', Lt. J. A. Lefranc, 512 



Azurite Crystals from the Iodide Mine, N.S.W., Dr. C. 

 Anderson, 278 



Bacillus tetani, Isolation and Serological Differentiation of, 



Capt. W. J. Tulloch, 478 

 Bacterial Disease of Citrus, A, 475 

 Bacteriological Laboratory, a Motor, Gift of, by H. S. 



Wellcome, 448 

 Bagdad, The Climate of. Prof. F. Eredia, 195 

 Balancing Apparatus, Developments in, N. W. Akimoff, 451 

 Ballistics, Internal, Lt.-Col. A. G. Hadcock, 299 

 Baly Medal, The, presented to Prof. W. M. Bayliss, 149 

 Banket, The, Prof. R. B. Young, 2S1 



