I9'3J 



Index 



Rontgen Radiations, J. C. Cliapman, 400; Spectrum 01 

 Ionium, A. S. Russell and R. Rossi, 400 ; Series of 

 Lines in Spectrum of Hydrogen, Prof. A. Fowler, 454 ; 

 New Hydrogen Spectra, A. Fowler, 466 ; Photography 

 of Absorption Spectra, T. R. Merton, 682 



Spcctroheliograms, Latitude of Absorption Markings on Ha, 

 Dr. Royds, 658 



Spectro-photometric Comparison of Emissivity of Gold with 

 that of a Full Radiator, E. M. Stubbs and Dr 

 Prideaux, 349 ; of Copper and Silver, E. M. Stubbs, 636 



Spectroscopy : Prinzipien der Atomdynamik, Prof. J. Stark 

 100; the Spectroscopic Binary Star /3 Scorpionis, J. C 

 Duncan, 394 ; Self-testing of Dispersion Apparatus 

 Prof. C. V. Burton, 435 ; Influence of Spectrum 

 Analysis on Cosmical Problems, Prof. Max Wolf, 443 



Specular Reflection of X-Rays, Prof. W. L. Bragg, F.R.S., 

 410 



Spiderland, R. A. Ellis, 488 



Spiders from Falkland Islands, H. R. Hogg, 376 



Spiritual Interpretation of Nature, Dr. J. V. Simpson, 



69s 

 Spitsbergen, Disaster to German Expedition to, 548 

 Standard of Value, Sir D. Barbour, K.C.S.I., K.C.M.G., 



N. B. Dearie, 536 

 Starch, New Form of Soluble, A. Fernbach, 184 

 Stars : Catalogue of Stellar Parallaxes, Groningen Ob- 

 servatory, 60 ; Parallax of Nova LacertEe, Dr. Bala- 

 nowsky, 173 ; Parallaxes of Southern Stars, Dr. F. L. 

 Chase and M. F. Smith, 552 ; Galactic Distribution of 

 certain Stellar Types, Dr. Hertzsprung, 115; Measur- 

 ing the .'Vngular Diameters of Stars, Dr. Pokrowsky, 

 232 ; Stellar Actinometry at the Yerkes Observatory, 

 J. A. Parkhurst, 316; a Star Calendar, Mrs. H. Periam 

 Hawkins, 394 ; Region around the Star Clusters 

 H V 33, 34 Persei, C. R. d'Esterre, 454; Scintillation, 

 C. Gallissot, 429 ; Integrated Spectrum of the Milky 

 Way, Dr. Fath, 551 ; Integrating Opacimeter for 

 Stellar Photographs, J. Baillaud, 587; Stellar Motions: 

 Type B, Prof. H. C. Plummer, 561 ; Temperatures, 

 Dr. H. Rosenberg, 658; Photographic Magnitudes of 

 Stars in Coma Ber., Dr. Hnatek, 710 

 Double: Orbit of | Persei, Mr. Cannon, 60; Period and 

 Orbit of a Persei, Dr. A. Hnatek, 93 ; the Spectro- 

 scopic Binary /3 Scorpionis, J. C. Duncan, 394; Distri- 

 bution of Spectroscopic Binaries on the Celestial 

 Sphere, P. Stroobant, 586 ; New Double Stars, Dr. 

 Aitken, 659 

 ]'ariable : Nova Geminorum No. 2, Various, 60; Light- 

 curve, J. Fischer-Petersen, 316; Later Spectrum, 

 F. J. M. Stratton, 454; Spectrum, Messrs. Adams and 

 Kohlschutter, 495; Prof. Wendell, Miss Cannon, 5S0 ; 

 628 ; Parallax of Nova Lacertae, Dr. Balanowsky, 173 ; 

 Observations and Light Curves, E. Padova, 173 ; 

 Algol and John Goodricke, 526; Star 87, 1911, Miss 

 Cannon, 580 

 Sialics, an Elementary Treatise on. Prof. S. L. Loney, 275 ; 

 Statical Calculations, &c.. Reference Book for Building 

 and Engineering, F. Ruff, 302 

 Statistics : the Elements of Statistical Method, Willford I. 

 King, 33 ; Apparent Fallacy in Statistical Treatment of 

 ". "Antedating " in Inheritance of a Pathological Con- 

 dition, Prof. K. Pearson, F.R.S., 334; Probabilities in 

 Social Statistics, Prof. Edge worth, 627 

 Sleam, Specific Heat and Volume of, M. Jakob, 627 

 Steatopygy among Mediterranean Races, 366 

 Steel : Thermomagnetic Study, Dr. S. W. J. Smith, 375 ; 

 Elastic Hysteresis of Steel, Prof. B. Hopkinson and 

 G.Trevor-Williams, 401 ; la Cementazione dell' Acciaio, 

 Dr. F. Giolitti, 56S 

 Steelyards and Bismars, Oriental, H. Ling Roth, 229 

 Stereoisomerism of Oximes, F. C. Palazzo, 525 

 Sterilisation, New Very Powerful Ultra-violet Lamp for, 



V. Henri and others, 299 

 Stigmodera, H. J. Carter, 213 



Stock Diseases in S. Africa, Dr. A. Theiler, C.M.G., 475 

 Stokes' Law for Small Drops, A. Schidlof and Mile. 



Murzynowska, 638 

 Stone .Age, Dr. L. Pfeiffer, 622 

 Storm Warning Signals at Night, G. Ishida, 197 

 Stress : Optical and Thermoelectric Methods applied to 

 Problems of Stress Distribution, Prof. E. G. Coker, 



383, 49S ; Specification of Elements of Stress, R. F. 



Gwyther, 586 

 Stromatoporoid Skeleton, Structure of, and on Eozoon, 



R. Kirkpatrick, 37 

 Sub-Crag, see Archajology 

 Submarine Boat E4, 551 

 Sugar ; Sugar-beet, 174 ; .Antiseptic Action, L. Lindet, 273 ; 



Fermentation by Bacillus subiilis, M. Lemoigne, 273 ; 



the World's Cane Sugar Industry, H. C. P. Geerligs, 



S°9 

 Sulphide Ores, Blast-roasting of, J. H. Levings, 586 

 Summer of 1912, C. Harding, 71 ; Rev. Dr. A. Irving, 163 

 Sun: the Solar Constant and Climatic Changes, H. 

 Arctowski, 93 ; Filaments and Prominences, A. Ricc6, 

 97; Filaments and Alignements, H. Deslandres, 127; 

 Relations between various Solar Phenomena, Prof. 

 Ricc6, M. Deslandres, 233 ; Solar Parallax, Prof. 

 Doolittle, 199 ; Variability of Solar Radiation, C. G. 

 Abbot, 288; Observations at Lyons Observatory, J. 

 Guillaume, 299 ; the March of Science, 361 ; Solar 

 Motion relatively to the Interstellar Absorbing Medium, 

 Prof. W. H. Pickering, 368 ; Radium in the Chromo- 

 sphere, Dr. Dyson, 393; the Sun's Magnetic Field, H. 

 Deslandres, 551 ; Magnetic Field of the Upper Layers 

 of the Solar Atmosphere, H. Deslandres, 561 ; Latitude 

 Distribution of Absorption Markings on Ha Spcctro- 

 heliograms. Dr. Royds, 658 ; see also Solar 

 Sun-dials," M. Roguet, M. Montmorin, M. Joyeux, 288 

 Sun Eclipses : Corona at the Total Eclipse of .April 17, 1912, 

 J. C. Soli, 29; the Total Eclipse on October 10, 1912, 

 in Brazil, 92, 199; J. H. Worthington, 315: Errors of 

 Computed Times of Solar Eclipse Phenomena, Dr. 

 A. M. W. Downing, F.R.S.. Dr. W. J. S. Lockyer, 

 162 ; Rev. A. L. Cortie, S.J., 191 ; Spectrum of the 

 Corona, Prof. J. W. Nicholson, 658 

 Sun-spots : 443 ; Sun-spot Activity, 173 ; Systematic Motions 

 of Sun-spots. Prof. Hirayama, 173 ; Similarity of 

 Variations of S Persei and Sun-spots, Prof. H. H. 

 Turner, 454; Attraction of Sun-spots for Prominences, 

 525 ; Sun-spots and Terrestrial Magnetic Phenomena, 

 1898-1911, 561 

 Siinfish, Young, from Central Pacific, A. R. McCulloch. 



Dr. T. D. Liddle, R.N., 

 '^urbiton "Wonders of Science" Exhibition, 625, 707 

 Surface-tension of Living Cells, F. Czapek, Dr. F. F. 



Blackman, F.R.S., 201 

 Surgery : Lord Lister : Royal Institution Discourse, Sir W. 



Macewen, F.R.S., 499 

 Surveying : Percentage Unit of Angular Measurement with 

 Logarithms : Percentage Theodolite and Compass, 

 J. C. Fergusson, 27:; 

 Swiss Society of Natural Sciences, and National Park, 223 

 Symbiosis : Pseudovitellar Cells, Dr. BUchner, 197 

 Synthesis of Matter, Prof. Ben. Moore, 190 



Tables : Landolt-Bornstein physikalisch-chemische Tabellen, 

 Dr. R. Bbrnstein and Dr. W. A. Roth, 431 ; Tables of 

 the Weight of Air, Air-pressure Equivalents, and 

 Gravity g, in German, French, and English, Dr. S. 

 Riefler, .^65 ; Tables Annuelles de Constantes et 

 Donn^es "Num(5riques de Chimie, de Physique et de 

 Technologie, Dr. J. A. Harker, F.R.S., 617; Nautical 

 Tables, Lieut. R. de Aquino, 710 



Vanning, J. T. Wood, 130 



I'ardigrada, African, J. Murray, 401 



Tarpan, Dr. O. Antonius, 59 



Taste and Smell, J. L. des Bancels, 66 



Teak Wood, Chemical Method of Distinguishing Seasoned, 

 A. C. Sircar, 213 



Technical Institutions, Association of : Presidential Address, 

 J. H. Reynolds, 687 



Technology : Dizionario di Merceologia e di Chimica 

 Applic'ata, Prof. V. Villavecchia, 699 



Telephotography, C. F. Lan-Davis, 461 



Temperature : Temperature of N. .Atlantic, 59 ; Rev. Dr. 

 .A. Irving. 163 : \'ertical Temperature Distribution 

 over England, \V. H. Dines, F.R.S., 309; Temperature 

 Effects of Icebergs, Prof. H. T. Barnes, F.R.S., 

 408 ; Influence of Icebergs on Temperature of the Sea, 



