XXll 



Index 



Nature, 

 September 29, 1921 



Roebuck (the late W. Denison), The Distribution of Land 



and Fresh-water Mollusca in the British Isles, 724 

 Rogeri (Fratris), Nunc primum edidit R. Steele, opera hac- 

 tenus inedita Rogeri Baconi, fasc. v., Secretum secre- 

 torum cum glossis et notulis ; Tractatus brevis et utilis 

 ad declaranduin quedam obscure dicta, 771 

 Rogers (L.), awarded the Rogers Prize by the University 



of London, 700 

 Rogestvensky (D.), Doublets in Spectral Series, 203 

 Rolfe (R. A.), [death], 242 ; [obituary article], 276 

 Rolston (Capt. W. E.), [obituary article], 789 

 Romani (E.), A Method of Vulcanising Rubber, 671 

 Rosa (Dr. E. B.), [death], 401 ; [obituary article], 465 

 Roscoe (Rev. J.), The Milk Customs of Bunyoro, 602 

 Rose (Prof. H. J.), Celestial and Terrestrial Orientation of 



the Dead, 538 

 Rosenhain (Dr. VV.), The Hardness of Solid Solutions, 318 

 Ross (Sir Ronald), State Awards for Medical Discovery, 723 

 Ross (A.), Width of Railways, 596 

 Ross (Prof. A. D.), elected a Member of the Governing Body 



of the University of Western Australia, 349 

 Roth6 (M.), Radiogoniometry and Atmospheric Influences, 



542 



Rothschild (Baron Edmond de), gift for the Development 

 of Physico-chemical Research in France, 563 



Rouch (J.), Observations of the Electrical Field of the Atmo- 

 sphere during the Eclipse of the Sun of April 8, 192 1, 



319 



Roughton (F. J. W.), elected Michael Foster Research 

 Student in Physiology, Cambridge University, 830 



Roule (L.), A New Deep-sea Fish, Scomhrolabrax heterolepis. 

 caught near Madeira, 607 



Routledge (Mrs. S.), Carved Rock and Stone Houses in 

 Easter Island, 564 



R&well (Sir Herbert B.), [obituary], 658 



Rowell (H. S.), A New Acoustical Phenomenon, 586; A New 

 Theorem on the Double Pendulum, 684 



Roxby (P. M.), Satow's A Diplomat in Japan, 263 



Russell (Miss Alice M.), The Macroscopic and Microscopic 

 Structure of some Hybrid Sarracenias, etc., 764 



Russell (Dr. E. J.), appointed a Foreign Correspond! ig 

 Member of the Reale Instituto Lombardo di Scienze e 

 Lettere di Milano, 402 ; The Work of the Rothamsted 

 Experimental Station, 700 ; and others. Physico-chemical 

 Problems relating to the Soil, 504 



Russell (Prof. H. N.), A Superior Limit to the Age of the 

 Earth's Crust, 125 



Russell-Wells (Sir Sydney), re-elected Vice-Chancellor of 

 London University, 572 



Rutherford (Sir Ernest), elected Professor of Natural Philo- 

 sophy at the Royal Institution, 342 ; Mass 6f Long-range 

 Particles from Thorium-C, 246 ; The Stability of Atoms, 

 574; and J. Chad wick. The Disintegration of Elements 

 by a-Particles, 41 



Ruttan (Prof. R. F.), nominated President of the Society of 

 Chemical Industry, 563 



Ryan (Prof. H.), The Exploitation of Irish Peat, 728 



Ryrie (B. J.), appointed Lecturer in Morbid Anatomy and 

 Histology in Manchester University, 669 



St. John (Dr. C. E.), and S. B. Nicholson, Displacement of 

 ■Lines in the Spectrum of Venus, 725 



St. Mars (F.), The Wild Unmasked, 200 



Sabatier (P.), and B. Kubota, The Catalytic Decomposition 

 of Allyl Alcohol : Action of various Oxides, 767 ; Cata- 

 lytic Hydrogenation with Copper, 222 ; The Action of 

 Heat on Allyl Alcohol in presence of various Catalysts, 

 702 



Sabatini (V.), Unity of the Vulsinio System, 254 



Sadler (Sir Michael), Modern Civilisation, 700 ; The Finances 

 of Leeds University, 540 



Saha (Prof. Megh Nad), The Atomic Radius and the lonisa- 

 tion Potential, 682 ; The Stationary H- and K-lines of 

 Calcium in Stellar Atmospheres, 488 



Sahni (B.), The Cuticular 'Structure of Glossopteris angusii- 



folia, Brongn., 671 

 Saintsbury (Prof. G.), Notes on a Cellar-book. New edition, 



163 



Salisbury (Dr. E. J.), Phenology and Habitat, with special 

 reference to Woodlands, 414 



Salter (M. de Carle S.), A New Method of Constructing 

 Average Monthly Rainfall Maps, 30 



Salter (H. E.), The Historic Names of the Streets and Lanes 

 of Oxford. Intra Muros, 532 



Sampson (Prof.), Theory of Jupiter's Satellites, 405 



Sanford (R. F.), The Companion of a Herculis, 438 



Sartory (A.), and P. Bailly, The Agglutinating Power of 

 Thorium Sulphate on the Spores of Aspergillus fumi- 

 gatus, 478 ; L. Scheffler, P. Pellissier, and C. Vaucher, 

 A Method of Evaporation, Concentration, and Desicca- 

 tion of Organic or Mineral Substances, 222 



Satow (Sir Ernest), A Diplomat in Japan, 263 



Saunders (C. B.), Problems of Seed-testing, 509 



Saunders (J. T.), The Hydrogen-ion Concentration of some- 

 Natural Waters, 190 



Savage (Sir George), [obituary], 658 



Savoor (Dr. Shankar Ras Ullal), appointed Professor of 

 Physics in Presidency College, Madras, 411 



Sazerac (R.), and C. Levaditi, The Action of Bismuth on 

 Syphilis and on the Nagana Trypanosome, 543 



Schaffers (Father V.), The Sound of Distant Gun-fire, 44 



Scharff (Dr. R. F.), A New British Land Planarian, 361 



Scharlieb (Dr. Mary), Vaccination, 244 



Schaumasse (A.), Observations of the Dubiago Comet 

 (1921c), 542 



Schenkling, The Cleridae, 413 



Scherfschewsky (P.), Dry Mist, 222 ; Svstems of Clouds, 

 575 



Schiller (Dr. F. C. S.), Arguing in a Circle, 670 



Schmidt, Inheritance of Secondary Sexual Characters, 571 



Schmidt (Dr. Johs.). New Studies of Sun-fishes made during 

 the " Dana " Expedition, 1920, 76 



Schnabel (Prof. C), translated by Prof. H. Louis. Third 

 edition, revised by the translator. Vol. i., 677 



Schneider (Mr.), The John Fritz Gold Medal awarded to, 

 530 



Schonfeld (Dr. M.), Prehistoric Astronomy in Scandinavia, 

 24 



Schuchert (Dr. C), The Nature of Palaeozoic Crustal Insta- 

 bility in Eastern North America, 501 



Schulz (A. R.), The Oil Possibilities in and around Baxter 

 Basin, Rock Springs, 792 



Schulz (Dr. B.), The Variations of Mean Sea-level on the 

 Flemish Coast, 54 



Schuster (Sir Arthur), The International Research Council, 

 72 ; The Quantum Theory and Homogenous Vibrations, 



233 

 Scott (Dr. D. H.), presented with the Linnean Gold Medal 



of the Linnean Society, 434 ; Studies in Fossil Botany, 



Third edition. Vol. i., Pteridophyta, 197; The Earliest 



'Land Flora, 537 

 Scott (Dr. H.), Clavicorn and other Beetles, 413 

 Scott (H. H.), and C. E. Lord, Remains of Nolotherium 



found in Tasmania, 501 

 Scott (Dr. J. H. D.), elected to a John Lucas Walker 



Studentship in Pathology in Cambridge University, 316 

 Scott (L.), Agricultural Co-operation, 436 

 Scripture (Prof. E. W.), Nature of Vowel Sounds, 12, 333 

 Seagrave (F. E.), The Minor Planet Eros, 663 ; The 



Ephemeris of Eros, 793 

 Searle (Dr. G. F. C), An Experiment on Focal Lines 



formed by a Zone Plate, 126 

 Sears, Jr. (J. E.), appointed Deputy Warden of the Stan- 

 dards in succession to Major P. A. MacMahon, 307 

 See (Prof. T. J. J.), Dr. Hill's Cusped Orbit, 503 ; The 



Figure of the Earth, 601 

 Segaller (Dr. D.), retirement from the British DyestufFs 



Corporation, Ltd., 722 

 Seligman (Prof. C. G.), A " New " Type of Tool of Mous- 



terian Age, 330 ; Ancient Egyptian Survivals in Modern 



Egypt, 27 

 Semon (Sir Felix), [obituary], 50 ; bequest to the Royal 



Society of Medicine, 530 

 Sergi (S.), Vertebro-medullary Topographv of Chimpanzee, 



128 

 Severi (F.), Theory of Simple Integrals of First Species 



belonging to an Algebraic Surface, iii., 671 

 Seward (Prof. A. C), Prof. A. G. Nathorst, 112; Plant 



