Jndex 



Soddy (F.), Production of Radium from Uranium, 59 ; the 

 Rays and Product of Uranium X, 59 ; the Production of 

 Helium from Uranium and Thorium, 59 ; the Atomic 

 Weight of the Radium Emanation, iSS; Conduction of 

 Heat through Rarefied Gases, 237 

 Sola (J. Comas), Seasonal Change on Mars, 107; R^sum^ 

 of Observations of Mars made at the Fabra Observatory, 

 Barcelona, during the Opposition of 1909, 209 

 Solar Activity and Magnetic Storms, Dr. \V. J. S. Lockyer. 



293 ; Father Cortie, 293 ; Michie Smith, 293 

 Solar Eclipse of May 8, the Total, 320 

 Solar Phenomena, the Magnetic Storm of September, 1909, 



and, M. Deslandres, 46S 

 Solar Physics Observatory for Australia, a, 202 

 Solar and Stellar Spectra, Studies of. Count A. de Gramont, 



440 

 Solar Vortices and Magnetic Fields, Prof. George E. Hale, 



For.Mem.R.S., at Royal Institution, 20, 50 

 Sorley (Prof.), the Interpretation of Evolution, 136 

 Sound, the New Physics, Joseph Battell, 216 

 South Sea Savages, Wanderings among, and in Borneo and 



the Philippines, H. Wilfrid Walker, 459 

 Southern (Sir.), XSrt Species of Rhabditis, R. brassicac, 44 

 Southwell (T.), New Species of Pea-crab, 198 

 Space, .Absorption of Light in. Prof. Kapteyn, 166 

 Space, the Ether of. Sir Oliver Lodge, F.R.S., 271 

 Space and Spirit, R. A. Kennedy, 4S6 

 Speck (Frank G.), Ethnology of the Yuchi Indians, 191 

 Spectrographs, the Design of, J. Plaskett, 140 

 Spectrum Analysis : Investigating the Properties of the 

 Spectral llines of the Metallic Elements by the High 

 Dispersion, Dr. L. Janicke, 18; Sun-spot Spectra, Prof. 

 Adams, 19 ; Solar Vortices and Magnetic Fields, Prof. 

 George E. Hale, For.Mem.R.S., at Royal Institution, 

 20, 50; the "Flash" Spectrum without an Eclipse, 

 Messrs. Hale and Adams, 47 ; Spectroscopic Binaries, Dr. 

 .S. A. Mitchell, 107 ; Two Curiously Similar Spectroscopic 

 Binaries, 349 ; the Spectrum of Halley's Comet, W. H. 

 Wright, 107 ; Absorption Spectrum of Potassium Vapour, 

 P. V. Bevan, 146 ; Colour Perception Spectrometer, Dr. 

 Edridge Green, 147 ; Absorption-bands in Colourless 

 Liquids, Prof^ W. N. Hartley, F.R.S., 157; Luminous 

 Night Clouds and Aurora Spectrum, Charles P. Butler, 

 157; Change in Hue of Spectrum Colours by Dilution 

 with White Light, Sir W. de W. Abney, 175 ; the Line 

 Spectrum of Calcium given by the Oxyacetylene Blow- 

 pipe, G. A. Hemsalech and C. de WatteviUe, 239 ; Yellow, 

 Orange, and Red Regions of the High Temperature 

 Flame Spectrum of Calcium, G. A. Hemsalech and C. de 

 WatteviUe, 299 ; Degree of Completeness of the Circular 

 Polarisation of Magnetically Divided Lines, 319; an Atlas 

 of Absorption Spectra, Dr. C. E. K. Mees, 336 ; the 

 Spectra of Comets' Tails, Prof. A. Fowler, 349 ; Extinc- 

 tion of Colour by Reduction of Luminosity, Sir W. de W. 

 Abney, 418; Studies of Solar and Stellar Spectra, Count 

 A. de Gramont, 440; the Spectium of the Zodiacal Light, 

 W. E. Rolston, 470 ; Absorption Spectra of Vapours of the 

 Alkali Metals, Prof. P. \. Bevan, 475 ; Effect of Pressure 

 upon Arc Spectra, R. Rossi, 476 ; High Temperature 

 Flame Spectrum of Iron, G. A. Hemsalech and C. de 

 WatteviUe, 479 

 Spencer (L. J.), Occurrence of Alstonite and UUmannite in 

 a Barytes-witherite Vein in the New Brancepeth Colliery, 

 Durham, 147 ; Weight of the " CuUinan " Diamond, 477 

 Spinal Anaesthesia, 99 

 Spurious Correlation, an Example of. Dr. Gilbert T. 



Walker, 279 

 Stalker (Wilfred), Death and Obituary Notice of, 436 

 Stanton (F. W. S.), Erosion of the Coast and its Prevention, 



Stanton (W. F.), on a Practical Theory of Elliptic and 

 Pseudo-elliptic Arches, with Special Reference to the 

 Ideal Masonry Arch, 268 



Starch (Dr. Daniel), Mental Processes and Concomitant 

 Galvanometric Changes, 376 



Stars : the Systematic Motions of the Stars, Prof. F. W. 

 Dyson, F.R.S., 11; Designations of Newly Discovered 

 Variable Stars, 19 ; the Motions of some Stars in Messier 

 02 (Hercules), Prof. Barnard, 19; the Parallax of the 

 Double Star 2 2308, Dr. Bohlin, 78; Prof. Schlesinger, 

 78 ; Spectroscopic Binaries, Dr. S. A. Mitchell, 107 ; Two 



Curiously Similar Spectroscopic Binaries, 349 ; Star 

 Almanac and Calendar for 1910, 166 ; How to Study the 

 Stars, L. Rudaux, 187 ; How to Identify the Stars, Dr. 

 Willis I. Milham, 187 ; Temperature Classification of 

 Stars, Drs. Wilsing and Scheiner, 228 ; Dr. Nordmann, 

 228 ; a New Variable Star or a Nova, Mme. Ceraski, 228 ; 

 Star Swarms, Prof. Turner, 293 ; Herr Kostinsky, 293 ; 

 Studies of Solar and Stellar Spectra, Count A. de 

 Gramont, 440 ; Photographic Observations of 7) Aquilze, 

 A. Kohlschiitter, 500 



Statistics ; the Theory of the Construction of Tables of 

 Mortality and of Similar Statistical Tables in Use by the 

 Actuary, G. F. Hardy, 212; Statistics of Alcoholism and 

 Inebriety, Arthur Macdonald, 316; a Primer of Statistics, 

 W. Palin Elderton and Ethel M. Elderton, 42b 



Steam Pipes, Water-hammer in, C. E. Stromeyer, 46 



Steam Turbines, Gerald Stoney, at Royal Society of Arts, 

 204 



Stebbing (Rev. T. R. R.) (i), Report on the Crustacea 

 Isopoda and Tanaidacea Collected by Mr. Crossland in 

 the Sudanese Red Sea; (2) Isopoda from the Indian 

 Ocean and British East Africa, 270 ; Report on the 

 Crustacea Isopoda and Tanaidacea Collected by Mr. 

 Crossland in the Sudanese Red Sea, 387 



Stefinsson (V.), Northern Alaska in Winter, 200 



Steinberg (Charles H.), the Life of a Fossil Hunter, 36 



Steinmann (Prof. G.), Problem of Ammonite-phylogeny, 289 



Stereoscope in Biological Investigations, Value of, Dr. W. 

 Berndt, 345 



Stevens (J. C), Surface Water Supply of Nebraska, 262 



Stewart (Dr. A. W.), Recent Advances in Physical and 

 Inorganic Chemistry, 396 



Stokev (A. G.), Species of Isoetes, 317 



Stone Ages in North Britain and Ireland, the, Rev. Frederick 

 Smith, 32 



Stones in Woody Tissue, Natural Inclusion of, Cecil Carus- 

 Wilson, 117 



Stoney (Edith A.), the Terminal Velocity of Fall of Small 

 Spheres in Air, 279 



Stoney (Gerald), Steam Turbines, Lectures at Royal Society 

 of Arts, 204 



Strachan (James), Petrological Types of Basalt in County 

 Antrim, 258 



Strasburger (E.), Zeitpunkt der Bestimmung des Gesch- 

 lechts, Apogamie, Parthenogenesis, und Reduktions- 

 teilung, 61 



Strength of Material : an Elementary Study prepared for the 

 Use of .Midshipmen at the U.S. Naval Acaderny, H. E. 

 Smith, 394 



Stress, Experiments on Compound, William Mason, at 

 Institution of Mechanical Engineers, 234 



Stress, Experiments on Compound, C. A. M. Smith at 

 Institution of Mechanical Engineers, 235 



Stresses in Masonry, H. Chatley, -.n- 



Stromever (C. E.), Water-hammer in Steam Pipes, 46 ; 

 Relative Periods of Revolution of Planets and Satellites, 

 119 



Stroobant (Prof. Paul), Les Progrfes r^cents de I'Astronomie 

 (1908), 336 



Strutt (Hon. R. J., F.R.S.), Accumulation of Helium in 

 Geological Time, 58, 238 ; Radio-activitv and the Rocks, 

 98 



Stuwe (W.), Phytoplankton Gathered in the North Atlantic 

 Ocean, 163 



Styles, Fashion in Iron, T. H. Burkill, 390 



Suffolk, Cambridge Countv Geographies, W. A. Dutt, 125 



Sun : the " Flash " Spectrum without an Eclipse, Messrs. 

 Hale and Adams, 47: I'Assorbimento selettivo della 

 Radiazione solare neU' Atmosfera terrestre e la sua 

 variazione coU' altezza. Dr. A. Bemporad, Dr. C. Chree, 

 F.R.S., 78 



Sun-spots : Sun-spot Spectra, Prof. Adams, 19 ; an In- 

 teresting Sun-spot, M. Amaftounsky, zcq ; the Epoch of 

 the Last Sun-spot Maximum, Dr. Wolfer, 378 



Sunlight, the Fertilising Influence of, A. Howard and 

 G. L. C. Howard, 456 



Surface (Mr.), Selection Index Numbers and their Use in 

 Breeding, 44 



Surface Deformation and the Tides, Prof. John Milne, 

 F.R.S., 427 



Surgerv : die moderne Chirurgic fur gebildcte Laicn, Dr. 



