Nature, 1 

 Afil M. »9»'J 



Index 



xxi 



Soddv (Prof. K.), Chemical Warfare, the Universities, and 

 Scientific Workers, 310; Name for the Positive Nucleus, 

 jOJ ; The British Association, iii ; University tyrants, 

 S ; and others, The Department of Scientific and 

 Industrial Research, 187 

 Sollas (Prof. \V. J.J, Luminosity by Attrition, 438 

 Sorley (Prof. W. R,), A History of English Philosophy, 



309 

 Soskm (Dr. S. E.), Small Holding and Irrigation: The 



New Form of Settlement in Palestine, 434 

 Spahlinger (H.), A Serum Treatment for Tuberculosis, 838 

 Sparre (M. de). The Ramstroke in Pipes feeding Turbines 



with Strong Reaction, 426 

 bpaih (L. K.J, Cretaceous Ammonoidea from Angola, 554 

 Spear (R. H.J, A Junior Inorganic Chemistry, 240 

 Spence (H. S.J, Graphite, 189 , ,. „ , 



Spencer (Dr. H.), appointed Harveian Orator of the Royal 



College of Physicians of London, 736 

 Spencer (L. J.J, Fibrolite as a Gem-stone from Burma and 



Ceylon, 425 ; Identity of Trechmann's " /3-Tin " with 



Stannous Sulphide, 848 

 Spencer (T.J, appointed Demonstrator and Instructor in 



Petroleum Drilling in Birmingham University, 298 

 Spiers (C. H.), awarded a Graduate Research Studentship 



in Stereochemistry at Emmanuel College, Cambridge, 



>p)ers (F. S.J, appointed an Officer of the British Empire, 



319 

 bpinden (H. J.), Central American Calendars and the Gre- 

 gorian Day, 135 

 Spitta (E. J.), Microscopy : The Construction, Theory, and 



Use of the Microscope. Third edition, 77 ; [obituary], 



700 

 Stanford (Dr. R. V.), The British Association, 13, 279 

 Stanton (T. E.), and R. G. C. Batson, NotcheJ-bar Im- 

 pact Tests, 514 

 Staplcdon (Prof. R. G.), The Work of the Aberystwyth 



Plant Breeding Institution, 608 

 Sleavenson (Dr. W. H.), The Mirage, 425 

 Stebbing (Prof. E. P.), Higher Forestry Education for the 



Empire, 438 

 Sitbbins (Prof. J.), Observationf with the Photo-electric 



Cell, 30 

 Steel (H.) [obituary], 249 



Sttel (T.), Dental Encrustations and the so-called ' Gold- 

 plating " of Sheep's Teeth, ^67; Electric Light and 



Vegetation, 694 

 Steensby (Prof. H. P.) [obituary], 287 

 Stefani (C. de). Siliceous Fossil Sponges of Western 



Liguria, 522 ; ii., 619 

 Stefansson (V.), The Degree of Inaccessibility of Various 



Parts of the Arctic Regions, 355 

 Stephenson (Dr. J.), appointed Lecturer in Zoology in 



Edinburgh University, 392 ; The Polyphyletic Origin of 



Genera in the Oligochaeta and its Bearings, 486 

 Slerneck, jun. (R.), The Tides of the Adriatic, 77s 

 Stewart (Prof. A. W.), Recent Advances in Organic 



Chemistry. Fourth edition, 565 

 Stewart (G-. W.), The Functions of Intensity .nnd Phase in 



the Binaural Location if Pure Tones, 587 

 Stone (Lieut. K. W.). Elements of Radiotelejjraphy, 143 

 Stone (H.), The Origin of the so-cnlled Medullary Rays in 



Wood, 770 

 Stone (Dr. W.). elected President of the American Ornith- 



oln(>i!its' Union, 512 

 Slopes (Dr. Marie C), R.idiant Motherhood : A Book for 



those who are Creating the Future, 399 

 Sicirmer (Prof. C), Some Rays of .Aurora Observed on 



Marrh 22, 1920, 199: The Height of a Brilliant Aurora 



on March 22-23. 319 

 Sir-icke (Dr. G.), A New Planet (IIZ). 482 

 Siratton (F. J. M.), Speclrogr.ims nf Nova AqulllE lit, 358 

 S'romeyer (C. E.), An Attempt to Explain the Real Nature 



of Time, Spare, and other Dimensions, 394 

 ' k (Misx), The Present Posilkin ol Schools in 

 Reliiiion to Life, 579 

 ^u\\\'- (Dr. K. IL), [obituary urllcle], 316 

 Stuart (Dr. M.), The Srimangal Earthquake of July 18, 



IJ18, 770 



Sullivan (L. R.J, Anthropometry of the Siouan Tribes, 167 



Sulman (H. L.), awarded the Consolidated Gold Fields of 

 South Africa, Ltd., Gold Medal and Premium, 383 



Summers (W. L.J, The Protection of .Animal and Bird Life 

 in Australia, 377 



Sumner (Dr. F. B.J, Geographic Variation and Mendelian 

 Inheritance, 132 



Sutton (J. R.J, A Possible Lunar Influence upon the 

 Velocity of the Wind at Kimberley (third paper), 36 ; 

 A Possible Lunar Influence upon the Velocity of the 

 Wind at Kimberley. IV., 426 ; Ancient Ideas Concern- 

 ing the Diamond, 522 ; The Rainfall Map of South 

 Africa, 522 



Svedberg (Prof. T.), and others, The Physics and Chem- 

 istry of Colloids and their Bearing on Industrial 

 Questions, 327 



Swain (T. L.), The Scientific Glassware Industry, 759 



Swanton (J. R.), The Tunica, Chitimacha, and Atakapa 

 Languages, 250 



Swift (Prof. E. J.), Psychology and the Day's Work : A 

 Study in the .Application of Psychology to Daily Life, 4 



Swinton (.A. A. Campbell), Recent Developments in Wire- 

 less Telegraphy, 422 ; The Peltier Effect and Low- 

 temperature Research, 828 



Sykes (Sir Charles), Gift to the Hudderslield Technical 

 College, 424 



Sykes (Major-Gen. Sir Frederick H.), Air Services, 259 



Synge (E. H.), The Space-Time Hypothesis before 

 Minkowski, 693 



Taggart (W. S.), Cotton Spinning. Vol. iii. Fifth edition, 



45 

 Talbot (J.), Psycho-analysis, 643 

 Taliaferro (W. H.J, The Reactions to Light in PXanaria 



macuXata, 251 

 Tamaki (K.)^ and W. J. Harrison, The Stability of the 



Steady Motion of Viscous Liquid contained between 



Two Rotating Co-axial Circular Cylinders, 393 

 Tamm (N.), Nova Cygni, 91 

 Tangye (G.), [obituary], 249 

 Tanret (G.), The Presence of Quinic Acid in the Leaves 



of some Conifers, 818 

 Tata (Sir D.), Gift to Cambridge University, 199 

 Taylor (Dr. A. E.), Aristotle. Revised edition, 6 

 Taylor (E. H.), Philippine Amphibia, 289 

 Taylor (Sir Frederick), [obituary], 477 

 Taylor (Dr. Griffith), appointed Associate Professor of 



Gcogr.iphy in Sydney University, 34 ; Australian 



.Meteorology : A Text-book, including Sections on 



Aviation and Climatology, 402 ; Nature vtnas the 



.Australian, 450 

 Taylor (G. I.), Experiments with Rotating Fluids ; Tides 



in the Bristol Channel, 849; Tidal Friction in the 



Irish Sea, 515 

 Taylor (H. V.), The Distribution of Wart Disease in 



Potatoes, 581 

 Taylor (R. D.), The Mystery of Life as Interpreted by 



Science, 499 

 Tchahotine (S.), The Method of Microscopic Radio- 

 puncture, 618 

 Teale (Dr. E. O.), appointed Government Geologist of 



Tanganyika Colony, 606 

 Tedone (O.), Some other Formulas of Inversion conMcted 



with Riemann's Method of Integration, 100 

 Teloni (G. C), " L'^criture babylonienne ct assyrlenne," ' 



•57 



Tcnani (M.), Diurnal Oscillations of Wind Velocity at 

 Different Heights, 35 



Tennent (D. IL), The Nature of Nuclear Activity, 587 



Termier (P.), and W. Kilian. The Age of the Glistening 

 Schists of the Western .Alps, 682 ; The ONTrlnpping 

 Fragment at Mom Jovet (T.irenlnise), 586; The 

 Western Edge of the Glittering .Schists in the Franco- 

 Itnli.in .Alps between Haute-Maurienne and H.1lit' 

 Queyras, 458 



Th.iin (W. A.), 5»ome .Applications of Eleclro-dcponitioh !n 

 .Aeronautical Engineering, 520 



