xlii 



Index 



r Nature, 



_March 30, 1916 



Southwark Bridge, Progress of, 520 



Space : Curves, Isothermally Conjugate Nets of, G. M. 

 Green, 249; Euclidean?, Is Our, C. D. Broad, 349; 

 Time, and Relativity, Prof. A. N. Whitehead, A. A. 

 Robb, H. R. Hass6, 241 ; Prof. A. N. Whitehead, 584 



Spanish Main, The Romance of the, N. J. Davidson, 340 



Species, Origin of. Dr. J. C. Willis, 357 



Specific Heat of Gases with Temperature, The Change of 

 the. Prof. W. M. Thornton, 298 



Spectra : Emitted by Metal Vapours, Dr. G. A. Hemsalech, 

 416; of Mercury, Arc and Spark, Prof. Lyman, 690; 

 of Nebulae, Photographs of the, W. H. Wright, 445 



Spectral Colours for the Lower Organisms, Relative Stimu- 

 lating Efficiency of, S. O. Mast, 557 



Spectroscopic : Binaries of Class M, Distribution of, C. D. 

 Perrine, 575; Orbit of 12 Lacertae, R. K. Young, 438 



Spectrum : Bright Hydrogen, Obtaining and Maintaining a, 

 J. Guild, 444 ; Lines, Broadened, The Structure of, 

 T. A. Merton, 697 ; of the Binary System 41 Eridani, 

 Dr. G. F. Paddock, 547 ; of Magnesium and other 

 Metals, The Single Line, Prof. J. C. McLellan, 641 ; of 

 the Solar Corona, The Structure of the, P. Carrasco, 

 439 



Speech, Loss of. Treatment of, M. Marage, 361 



Spherical Triangles, A Course in the Solution of, H. Beil, 

 617 



Spiders, Some Calcutta, W. H. Phelps, 669 



Spinax, Morphology of the Telencephalon of, Dr. J. S. 

 Thomson, 327 



Spiral Nebulae, A Possible Origin for some, G. F. Becker, 

 725 



Spitsbergen : The Political and Economic Position of. Dr. 

 R. N. Rudmose Brown, 276; .Dr. W. S. Bruce 's 

 Expedition to. Dr. A. N. Rudmose Brown, 276 



Sponges: etc.. Collected in Australia, Prof. A. Dendy, 326; 

 from Localities round the Irish Coasts, Miss J. 

 Stephens, 487 



Sprue in Ceylon, A Report on Researches on, 19 12-14, by 

 Dr. P. H. Bahr, 524 



Stable Biplane Arrangements, Research on, J. C. Hunsaker, 

 574 



Staffordshire County Council, Directory for Higher Educa- 

 tion, 26 



Stanford's Compendium of Geography and Travel (New 

 Issue). North America. Vol. i., Canada and Newfound- 

 land, Second Edition, Edited by Dr. H. M. Ami, 531 



Star : Clusters, A Catalogue of, P. J. Melotte, 17 ; Con- 

 densation, Colour, and Magnitude in, F. H. Scares 

 and H. Shapley, 137; Magnitude in, H. Shapley, 725; 

 Colours, Prof. E. Hertzsprung, F. H. Seares, 95 ; A 

 Notation for Use in the Discussion of, F. H. Seares, 

 137 ; The Notation of, Prof. F. H. Seares, 603 ; Pocket- 

 book, R. Weatherhead, Second Impression, 256 ; 

 -streaming and the Structure of the Universe, J. H. 

 Jeans, 445 



Stars : Colours of, in the Clusters N.G.C. 1647 and M. 67, 

 Prof. F. H. Seares, 633 ; in Globular Clusters, Prof. 

 H. C. Plummer, 445 ; of Different Spectral Types, 

 Mean Distances and Luminosities of, Prof. C. V. L. 

 Charlier, 686 ; of the Southern Skies, M. A. Orr (Mrs. 

 J. Evershed), 592 ; Second-type, of Low Mean Density, 

 H. Shapley, 27; Some Supposed Movements in, E. E. 

 Barnard, 192 ; The Evolution of the, and the Formation 

 of the Earth, Dr. W. W. Campbell, 123 ; Variable, An 

 Introduction to the Study of. Dr. C. E. Furness, 674 ; 

 Visual Double, in the Northern Sky, R. G. Aitken, 249 



Statics : Elementary Experimental, I. B. Hart, 226 ; Part 

 ii., F. C. Fawdry, 199 



Steam : Boilers, The Working and Maintenance of, C. E. 

 Stromeyer, 468; Engine, The, 421 ; Power, Prof. W. E. 

 Dalby, 421 



Steels, Heterogeneity of, H. Le Chatelier and J. Lemoine, 

 166 



Stegosaurus, The Restoration of, C. W. Gilmore, 152 



Stein's (Sir Aurel), Asiatic Expedition, 434 



Stellar: Classification, Notes on, iii., Sir Norman Lockyer, 

 88 ; Notes on. Sir Norman Lockyer, 454 ; Evolution, 

 The Order of. Prof. A. Fowler, 240 ; Sir F. Dyson, 

 Prof. Eddington, Rev. A. L. Cortie, Prof. Nicholson, 

 Mr. Merton, 241 ; Images, Photographic Displacement 

 of, J. Comas Soli, 209 ; Motions, Absolute, K. W. 



Gyllenberg, 16; Proper Motions determined Stereo- 



scopically, Prof. Max Wolf, 123 

 Stereo-radioscopy, New Methods in, M. Gibon, 136 

 Stereoscopic : Measurement of Proper Motions, Comas Solci, 



603 ; Photography, Astronomical Applications of, J. C. 



Soli, 585 

 Sterilisation of Water, The, H. Colin, 417 

 Stimuli, Cessation of. Reactions to the, H. Woodrow, 404 

 Stockfeeder, The Agricultural Man of Science and the. 



Prof. T. B. Wood, 358 

 Stockholm, Royal Swedish Academy of Science at. Prof. 



E. B. Poulton elected a Foreign Member of the, 654 

 Stonehenge, Sale of, 91 



Stress : Components, General Expression for, S. Yokota, 



153 ; Distribution, Complex, Report on. Prof. Coker, 299 

 Structural Design, vol. ii.. Design of Simple Structures, 



Prof. H. R. Thayer, 531 

 Students of Exceptional Mathematical and Scientific Ability, 



Employment of, in the War, A. L. Francis, 500 

 Student's System, The, V. Russell, 368 

 Subconscious, Experimental Investigation of the, Miss L. J. 



Martin, 269 

 Submarine : A New Type, for Hydrographical Work, S. 



Lake, 208; Solution of Limestone and the Murray- 



Agassiz Theory of Coral Atolls, A. G. Mayer, 725 

 Submarines : F. A. Talbot, 706 ; M. A. Laubeuf , 407 

 Subterranean Waters, Contamination of, E. A. Martel, 446 

 Suburban Home Grounds, How to Lay Out, H. J. Kella- 



way. Second Edition, 534 

 Sugar : -beet. Culture of the, in the South-West of France, 



H. Bouygoes, 669 ; Factories in the Bihar District, 



P. Abel, 93 

 Sugars : The Optical Rotation and Gyroscopic Behaviour 



of. Dr. J. E. Mackenzie and Dr. Ghosh, 668 ; The 



Sublimation of. Dr. Ghosh, 668 

 Sulphate of Ammonia, Suspension of the Issue of Licences 



for the Export of, 599 

 Sulphites, Chemistry of the, C. S. Garrett, 178 

 Sun : Anomalous Dispersion in the, S. Albrecht, 17 ; J. 



Evershed, Dr. Royds, 686 ; Observations of the, made 



at the Oljservatory of Lyons, J. Guillaume, 502 ; Lore 



of all Ages, W. T. Olcott, 29 

 Sunshine, Bright, over the United Kingdom, 1881-1910, 



F. J. Brodie, 473 



Sunspot Activity and the Terrestrial Atmosphere, H. 

 Arctowski, 437 



Sun-spots : and Pressure, Dr. G. T. Walker, 490 ; and 

 Temperatures, Dr. G. T. Walker, 271 



Surface : W^aters of Washington, Quality of the, W. van 

 Winkle, 297; A Theorem on, K. Yanagihara, 153; 

 Friction, C. H. Lander, 697; -tension, The, at the 

 Interface between two Liquids, W. D. Harkins and 

 E. C. Humphery, 556 



Surgical Schism, A, 349 



Surrey Hills, The, F. E. Green, 534 



Surveying and Field Work, J. Williamson, 367 



Swimming Experiments with and without Clothing, Prof. 

 J- Joly, 711 



Swine Fever, Scientific Studies of, 513 



Swiney Lectures on Ice and the Ice Age, Dr. J. D. 

 Falconer, 221 



Swiss Natural Science Society, Address of President Motta 

 at the Centenary of the, 408 



Sydney University : S. H. E. Barraclough appointed Pro- 

 fessor of Mechanical Engineering at, 54 ; Dr. J. Road 

 appointed to the Chair of Organic Chemistry, 444 



Symons Memorial Medal of the Royal Meteorological Society 

 awarded to Dr. C. A. Angot, 348 ; presented to Dr. 

 C. A. Angot, 599 



Symptomatological Differences associated with Similar 

 Cerebra. Lesions in the Insane ; Variations in Distribu- 

 tion of the Motor Centres, Dr. S. I. Franz, 156 



Syphilis, Treatment of, k. Renault, L. Fournier, and 

 L. Gu^not, 446 



Syracuse University, Gift to, by Mrs. R. Sage, 500 



Tables for Converting Shillings, Pence, and Farthings into 

 Seven Places of Decimals of a Pound, and for the 

 Reconversion of Decimals, 506 



Taenia struthionis, Parona, and Allied Forms, Dr. F. E. 

 Beddard, 331 



