Nature, ~\ 

 I, 1912J 



April 1 



Index 



xvii 



Rogers (R. A. P.), Differential Properties of the Ortho- 

 gonal Trajectories of a Congruence of Curves, 605 



Rolston (W. E.), Comet 19HC (Brooks), 20; Radial 

 Velocities and Spectral Types of Stars, Prof. Campbell, 

 Dr. Ludendorff, 424 



Romanes (J.), Geology of a Part of Costa Rica, 267 



Romer (Sir R.), Government of the Imperial College of 

 Science (Remarks at Royal Commission), 313 



Roscoe (Rev. J.), the Baganda, 450 



Rose (A., C.I.E.), the Chinese Frontier of India, 385 



Rosenhain (Dr. W.), the Case-hardening of Steel, 122 ; 

 Nomenclature of Alloys, 427 



Ross (H. C), J. W. Cropper, and E. H. Ross, Further 

 Researches into Induced Cell-reproduction and Cancer, 



174 

 Ross (Sir Ronald, K.C.B., F.R.S.), Induced Action of 



Leucocytes, 231 ; Malaria in India, 285 

 Rost (Major) and Captain Williams, the Leprosy Bacillus, 



Rouquette (E.), Sterilisation of Drinking Water by Ozonised 

 Oxygen and Chlorine Compounds in the Nascent State, 



573' 

 Rousselet (C. F.), Rotifers from Clare Island, 157 

 Roussy (A.), Life of Fungi in the Fatty Acids, 99 

 Rovvell (H. S.), Thomas Young and Gottingen, 516 

 Rudge (W. A. D.), Action of Radium Salts on Glass, 167 ; 



South African Meteorites, 565 

 Riibel (Dr. E.), Vegetation Map of the Bernina District, 58 

 Riicker (Sir Arthur), Work and Government of the Imperial 



College of Science at S. Kensington : Evidence at Royal 



Commission on University Education in London^ 313 

 Riihl (Dr. A.), Isostasy and Formation of Peneplains, 120 

 Russell (Dr. A.), Maximum Value of Electric Stress between 



Two Unequal Spherical Electrodes, 234 

 Russell (A. S.), Effect of Temperature upon Radio-active 



Disintegration, 469 

 Russell (Dr. E. J.), the Story of the Soil, Dr. C. G. 



Hopkins, 541 

 Russell (Hon. Rollo), Glazed Frost, 516 

 Rutherford (Prof. E., F.R.S.), Conference on the Theory 



of Radiation, 82 ; Origin of the jS Rays from Radio- 

 active Substances, 605 

 Ryan (H.) and T. Dillon, Higher Tertiary Alcohols derived 



from Palmitic and Stearic Esters, 504 

 Ryan (Rev. W. J.) and T. Hallissy, New Fossils from 



Bray Head, Co. Wicklow, 605 



Sabatier (P.) and A. Mailhe, Preparation of Alcoholic 

 Amines by Catalysis, 269 ; Catalytic Decomposition of 

 Formic Esters, 436 ; Catalytic Formation of the Esters 

 of the Formenic Series, 471 



Sadow-Pittard (Harold de), Non-Euclidean Geometry, 8 



Safford (W. E.), Sacred Ear-flower of the Aztecs, 162 



St. Davids (Lady), National Physical Improvement, Sug- 

 gestions, 227 



Salaman (Dr. R. N.), Heredity and the Jew, 50 



Sars (Prof. G. O.), Account of the Crustacea of Norway : 

 Copepoda Harpacticoida, 276 



Saunders (Miss E. R.), Inheritance of Characters in Stocks, 

 i.z'7 



Scales (F. S.), Photomicrography of the Electrical Re- 

 actions of the Heart, 369 



Scharff (Dr.), Survival of Animals and Plants in Ireland 

 during the Glacial Period, 57 



Schaumasse (M.), Discovery of a Comet, 191 ife, 189; 

 Ephemeris of Comet 1911ft, 494 



Schaumasse and Javelle (MM.), Comet 1911ft (Schau- 

 masse), 268 



Scheel and Heuse (Messrs.), Measurements of Specific Heat 

 of Air at Low Temperature, 258 



Scheffers (Prof. G.), Lehrbuch der Mathematik, 579 



Scheu (Dr. E.), Geological Study of Earthquakes, 18 



Schmauss {A.), the Weather of 1911, 348 



Schmidt (Dr. j.), Biology of Eels, 27 



Schneider (Prof. Karl C.), Einfiihrung in die Deszendenz- 

 theorie, 508 



Schoy (C), Early Methods of Determining Latitude, 226 



Schroter (Prof. C), Post-glacial History of Swiss Flora, 

 C7 : Phytogeographica! Maps, 58 ; the Swiss National 

 Park and its Flora, 58 



Schuster (Dr.), Biometry of Undergraduates of Cambridge, 



Oxford, and Aberdeen, 261 

 Schwarzschild and Kron (Drs.), Distribution of Brightness 



in the Tail of Halley's Comet, 423 

 Scott (Dr. A., F.R.S.), an Introduction to Chemical Theory 



40 

 Scott (Dr. D. H., F.R.S.), Palaeobotany : Address, 18; the 

 Evolution of Plants, 39 ; Address at the Opening of the 

 New Botanical Laboratories of the University of Man- 

 chester, 55 ; the Rare Palaeozoic Fern Zygopteris grayi 

 59. 132 

 Scott (Captain R. F., C.V.O.), Antarctic Expedition, 118 

 Scourfield (D. J.), Food Supply of Aquatic Animals, 24 

 Scrivenor (J. B.), the Gopeng Beds of Kinta (Fed. Malay 



States), 164 

 Sedgwick (W.), Weather in the Seventeenth Century, 18, 



325 

 See (Dr.), Evolution of Multiple Stars, 226 

 Seely (Coi.), Military Aviation, 15 ; Reply to Aeroplane 



Manufacturers' Deputation, 184 

 Selby (F. J.), Analysis of Tidal Records for Brisbane for 



1908, 198 

 Semon (R.), die Mneme als erhaltendes Prinzip in Wechsel 



des Organischen Geschehens, 371 

 Semple (Miss Ellen C), Influences of Geographic Environ- 

 ment : on the Basis of Ratzel's System of Anthropo- 

 Geography, loi 

 Senderens (J. B.), and J. Aboulenc, Catalytic Esterification 



of the Dibasic Acids in the Wet Way, 99 

 Service (the late Mr. R.), Bird-migration in the Solway 



District, 426 

 Seth-Smith (D.), Moulting of the King Penguin in the 



Zoological Gardens, 132 

 Seward (Prof. A. C, F.R.S. ), Structure of a Petrified 

 Williamsonia collected by Hugh Miller in N.E. Scot- 

 land, 59 ; a Carboniferous Flora, Dr. W. J. Jongmans, 

 474 

 Seyewetz (A.), Preparation and Properties of a Silver 



Oxybromide, 573 

 Shakespear (G. A.), New Method of Determining the 



Radiation Constant, 401 

 Sharpe (Sir A., K.C.M.G., C.B.), Geography and Economic 



Development of British Central Africa, 195 

 Sharpe (Hilda D.), Field Note-book of Geological Illus- 

 trations, 74 

 Shaw (Knox), Discovery of Comet 191 le (1905 II, Bor- 

 relly), 20 ; Photography of Comets Brooks and Beljaw- 

 sky, 267; Halley's Comet, 494 

 Shaw (Dr. P. E.), Testing of Plane Surfaces, 470 ; Sealing- 



metals, 504 

 Shaw (Dr. W. N., F.R.S.), the weather of 1911, 141, 244; 



Forecasting Weather, 575 

 Shaw (Dr. W. N.) and E. Gold, Investigation of the 

 Upper Atmosphere (Brit. Assn. Committee's Report), 161 

 Shearer (Dr. C.), the Archiannelid, Dinophilus gyro- 



ciliatus collected at Plymouth, 125 

 Shearer (C), H. M. Fuchs, L. Doncaster, and J. Gray, 



Experimental Hybridisation of Echinoids, 268 

 Shelford (R.), Mimicry of Wasps by Bornean Beetles, 289 

 Shepherd (Col. C. E.), Pharyngeal Teeth of Fishes, 325 

 Sheppard (E. J.), Reappearance of the Nucleolus in Mitosis, 



86 

 Sherlock (Dr. E. B.), the Feeble-minded : a Guide to Study 



and Practice, 104 

 Shonk (A.), Dust Explosions, 212 

 Sibly (Dr. T. F.), the Faulted Inlier of Carboniferous 



Limestone at Upper Vobster (Somerset), 267 

 Siegel (Dr.), the Causal Organism of Foot-and-Mouth 



Disease, 151 

 Silberrad (Dr. O.), Propeller Erosion, 388 

 Simmonds (C), Timber and Paper, C. F. Cross and 



others, 205 

 Simon (Prof. H. Th.), dor elektrische Lichtbogen : Experi- 



mentalvortrag, .i;i2 

 Simpson (Prof. S.), Body Temperature of Diving and 

 Swimming Birds, 303 ; Effect of Changing the Daily 

 Routine on the Diurnal Rhythm in Body Temperature, 



Singh (Puran) and S. Maulik, Nature of Light emitted by 



Fireflies, iii 

 Skinnor (Sidney), Dew in 1911, III 



