xl 



Index 



t Nature^ 

 March 25, 1909 



Spencer (Dr. J. W". \V.), the Kails of Niagara, their 

 Evolution and varyijig Relations to the Great Lakes, 

 Characteristics of the Power and the Effects of its 

 Diversion, 11 ; Spoliation of the Falls of Niagara, 18 



Speoiser (Dr. P.), Distribution of the Reindeer Gad-fly, 141 



Stafford (Dr. J.), Larva and Spat of the Canadian Oyster, 

 473 



Stansfield (H.), Secondary Effects in the Echelon Spectro- 

 scope, 26 



Stars : New Catalogues of Proper Motions, Dr. Risten- 

 part, 48 ; K. Hirayama, 48 ; Designations of Recently 

 Discovered Variable Stars, 108 ; the Stars of the Year, 

 \V. E. Rolston, 127 ; Star Calendar for 1909, W. E. 

 Rolslon, 127 ; the Star Almanack, \V. E. Rolston, 127 ; 

 the Change in the Physical Condition of Nova Persei, 

 Prof. Barnard, 143 ; Spectroscopic Binaries, Mr. Plaskelt, 

 '*'9. 295 ; a Recent Observation of Nova Cygni, Dr. 

 Karl Bohlin, 169 ; the Parallax of 61 Cygni, Prof. G. 

 Abetti, 261 ; the Stars surrounding 59 Cygni, Prof. 

 Jacoby, 439; the Study of Stellar Evolution, an Account 

 of some Recent Methods of Astrophysical Research, 

 Prof. George EUery Hale, William E. Rolston, 191 ; 

 Double-star Astronomy, T. Lewis, 247 ; One Hundred 

 New Double Stars, Dr. R. G. Aitken, 201 ; Double-star 

 Orbits, Prof. Doberck, 320; the Poles of Double-star 

 Orbits, Prof. Doberck, 378; Errors of Double-star 

 Measures, Dr. H. E. Lau, 439; the Variable Star 

 U Geminorum, J. van der Bilt, 295 ; a Sixth Type of 

 Stellar Spectra, Prof. Pickering, 295 ; Errors in Measures 

 of_ Star Images and Spectra, Prof. Perrine, 320 ; Deter- 

 mination of the Apex and Vertex from the Stars in the 

 Porter Catalogue, S. Beljawsky, 410; Colours of Stars 

 in Galactic and Non-galactic Regions, Mr. Franks, 410 ; 

 an Eccentric Variable Star, Mary W. Whitney, 410 ; the 

 Orbit of 6 Aquilae, Mr. Baker, 499 ; Essai d'une Explica- 

 tion du Mechanisme de la Periodicity dans le Soleil et 

 les Etoile's rouges variables, A. Brester, 431; the Stars 

 of the c and ac Subdivisions in the Maury Spectral 

 Classification, E. Hertzsprung, 439 ; Distribution of the 

 Stars, Prof. E. C. Pickering, 469 



Statistics : Statistics of Motor Traffic, A. R. Butterworth, 

 16; Influence of Infantile Mortality on Birth-rate, G. H. 

 Knibbs, 240 ; Sequestrated Church Property, 'Francis 

 Galton, F.R.S., 308; Death of Prof. Carroll D. Wright, 

 495 



Steam : Valve-gears for Steam Engines, Prof. Cecil H. 

 Peabody, 396; the Increased Expansion of Steam attain- 

 able in Steam Turbines, James Watt Lecture at 

 Greenock. Hon. C. A. Parsons, F.R.S., 502 



Stebbing (E. P.), a Manual of Elementary Forest Zoology 

 for India, 244; Insect Pests in Indian Forests, 292; 

 Scolytidas from Indian Forests, 442 



Steel, the Ageing of, C. E. Stromever, 401^ 



Stein (Dr. M. A.), Explorations of, in'Turkestan, 17; 

 Mountain Panoramas from the Pamirs and Kuen Lun, 

 97 ; Expedition into Central Asia, 140 



Steinmann (G.), die geologischen Grundlagen der Abstamm- 

 ungslehre, 277 



Steinwehr (Mr. von). Research on the Silver Voltameter, 

 437 



Stcjneger (Dr. L.), Theory of Existence of a Land-bridge 

 between Scotland and Scandinavia based on Distribution 

 of Charr, 496 



Stephens (T.), Geology of the North-west Coast of Tas- 

 mania, 180 



Stevens (Miss E. L.), Embrvo-sac of the Pena2ace;e, 90 



Stevens (F. H.), a School Arithmetic, 156 



Stewart (Dr. A. W.), Recent Advances "in Organic Chem- 

 istry. 243 



Stoecklin (E. de), New Artificial Peroxydase, Tannate of 

 Iron, 300; Oxidation of Alcohols by' the Simultaneous 

 .Action of Tannate of Iron and Solution of Hydrogen 

 Peroxide, 510 



Stoll (Otto), das Geschlechtsleben in der Volkerpsvchologie, 

 361 



Stone Circles? Who Built the British, J. Gray, 236 



Stone Circles in Ireland. W. E. Hart, 4R8 



Stoney (G. G.), Tension of Metallic Films deposited bv 

 Electrolysis, 508 



Stopes (Dr. Marie). Fossil Insects from Japan, 118 



Story (F.), the Zurich Woods, 376 



Strahan (Aubrey), the Coals of South Wales, with Special 

 Reference to tlie Origin and Distribution of Anthracite, 

 33 



Strasser (Prof. H.), Lehrbuch der Muskel- und Gelenk- 

 niechanik, 397 



Stratton (F. J. M.), the Constants of the Lunar Libra- 

 tion, 25 



Strbmberg (Gustaf), Parallax of 23 H Cainelopardalis, 

 439 



SDomeyer (C. E.), Mercury Bubbles, 160; the Ageing of 

 Steel, 405 



Slroobant (Prof.), Corrections of the Position and Diameter 

 of Mercury, 232 ; les Progr^s r&ents de I'Astronomie, 

 427 



Strutt (Hon. R. J., F.R.S.), on the Rate of Production of 

 Helium from Radium, 23 ; Radio-active Changes in the 

 Earth, Lecture at Royal Institution, 206 



Students' Physical Laboratories, Sir Oliver Lodge, F.R.S., 

 128; Prof. John Perry, F.R.S., 159 



Studcr (Dr. T.), Prehistoric Dogs, 45 



Sturge (W. A.), Age of Prehistoric Excavations in Search 

 of Flints at Brandon (Grime's Graves), 141 



Stiirtz (B.), the " Rheindiluvium " from Bingerbruck to 

 Netherlands, 472 



Stuyvacrt (E.), Death and Obituary Notice of, 256 



Suess (Dr. F. E.), Structure of the Narrow Carboniferous 

 Basin of Rossitz, 170 



Sugar-cane Experiments in the Leeward Islands, 1906-7, 

 106 



Sugar Plantations, Value of Small Dressings of Lime on 

 the, H. H. Cousins, 168 



Sumner (Dr.), Effects of Gun-fire on Schools of Fishes, iii 



Sun : Characteristics of the Superior (K3) Layer of the 

 Sun's Atmosphere, M. Deslandres, 200; the Figure of 

 the Sun, Prof. Charles Lane Poor, 260 ; the Distribution 

 of Eruptive Prominences on the Solar Disc, Philip Fox, 

 320; Essai d'une Explication du Mechanisme de la 

 Periodicity dans le Soleil et les Etoiles rouges variables, 

 A. Brester, 431 



Sun-spots : the 479 Period of Sun-spot Activity, Prof. 

 Arthur Schuster, F.R.S., 7; a Large Group of Sun- 

 spots. 80 ; Sun-spots in 1907, Dr. Rudolf Wolf, 261 ; 

 on the Magnetic Action of .Sun-spots, Prof. Arthur 

 Schuster, F.R..S., 279; the Magnetic Field in Sun-spots, 

 Prof. Hale, 351 ; Warm Months in Relation to Sun-spot 

 Numbers, Alex. B. MacDowall, 367 ; Water-vapour Lines 

 in the Sun-spot Spectrum, Father Cortie, 43S ; Mr. Ever- 

 shed, 430 ; Interaction of Sun-spots, P. Fox and G. 

 Abetti, 469 



Surface (F. M.), Colony-formation among Rotifers, 292 



Surgery : the Surgical .'\natomy of the Horse, J. T. Share- 

 Jones, 333 ; an Enormous Urinary Calculus in Man, 

 A. Gu(5pin, 360 



Suringar (Dr. J. Valckenier), Linnaeus, 213 



Surrey, Highways and Byways in, Eric Parker, 158 



Surveying : Surveving for Arch^ologists, Sir Norman 

 Lockyer, K.C.B'., F.R.S., 283; a Text-book of Theo- 

 dolite Surveying and Levelling. Prof. James Park, 

 Captain H. C. Lockyer, 365 



Svenska Hvdrografisk Biologiska Kommissionens Skrifter 

 III., 225' 



Swarts (F.), Cours de Chimie inorganique, 363 



Sweet (Miss G.), Degenerate Eyes of African Golden Moles, 

 496 



Swinton (Alan A. Campbell). Occlusion of Residual Gas 

 and the Fluorescence of the Glass Walls of Crookes 

 Tubes. 290 ; Gases Liberated by Conversion of Diamond 

 into Coke in High V.ncuum by Kathode Rays, 508 



Sylvester (James Josephl, the Collected Mathematical 

 Papers of, 303 



System and Science in Education, 382 



Tabor (E. H.), Tunnel under the Thames at Rotherhithe, 



196 

 Tammes (Miss T.), " Dipsncan " and " Dipsacotin," 229 

 Tansley (Mr.l. the Woodlands of England. 85 ,v 



Tarr (Mr.), the Hubbard Glacier of Alaska, 234 | 



