XXVI 



Index 



Nature, 

 ^Aprit 14, 192X 



A. Danjon and C. Rougier, 772 ; .The First Voyage 

 Round the World, Prof. P. Emanuelli, 816; Popular 



Astronomy in Sweden, 842 



Astronomisk, Popum, Tidskrift, S^ 



Astronomy : Popular, in Sweden, 842 ; Recent Progress in, 

 H. E. Wood, 388 



Athena : A Year-book of the Learned World. The English- 

 speaking Races. Edited by C. A. Ealand, 237 



Athensum Club, Prof. C. S. Sherrington elected a Member 

 of the, 838 



Atlantic off Ushant, Biological Researches on the Ther- 

 mometry of the, during the Summer of 1920, L. Joubin 

 and E. Le Danois, 521 



Atom : The Structure of the, Sir William Bragg, 702 ; 

 C. G. Darwin, 51, 81, 116; Sir Ernest Rutherford, 357, 



358 



Atomic : and Molecular Theory, D. L. Hammick, 240 : 

 Spacing within Crystals, A Model for Demonstrating 

 any Point-system in. H. P. Whitlock, 58 ; Structure, 

 Dr. Norman R. Campbell, 408; Weights of the Ele- 

 ments, The, Dr. Aston, 291 



Atoms : in Crystals, The Arrangement of, Prof. W. L. 

 Bragg, 725 ; in Gaseous Molecules, The Proximity 

 of, Prof. A. O. Rankine, 457 ; The Structure of, W. D. 

 Harkins, 387 



Auricular : Fibrillation, The Path of Excitation in, Dr. T. 

 Lewis, and others, 386 ; Flutter, Dr. T. Lewis, 550 



Aurora: Height of a Brilliant, Prof. C. Stormer, 310: 

 Some Rays of, Observed on March 22, 1920, Prof. C. 

 Stormer, 199 



Australasian Antarctic Expedition, 1911-14, Scientific Re- 

 ports of the, Dr. A. L. McLean, 607 



Australia : Engineering Standardisation in, 29 ; The Pro- 

 tection of Animal and Bird Life in, W. L. Summers, 



377 



Australian : Aborigines, Movement for the Preservation of 

 the, 318; Carabida;, A List of the Species of, which 

 Range beyond Australia and its Dependent Islands, 

 T. G. Sloane, 267; Coleoptera, New Species of, Part 

 xvi., A. M. Lea, 427; Diptera Brachycera, Life-histories 

 of, Part i. : Stratiomyiidtc. No. i.. Vera Irwin-Smith, 

 651 ; Lepidoptera : Liparida;, Dr. A. J. Turner, 651 ; 

 Meteorology ; A Text-book, including Sections on Avia- 

 tion and Climatology, Dr. Griflith Taylor, 402 ; Tab- 

 anid.-B, E. W. Ferguson and G. F. Hill, 651 ; Tcne- 

 brionida;, H. J. Carter, 67; Universities, Financial 

 Condition of, 777 



Austria-Hungary, Geology in, in 1914-19, Prof. G. A. J. 

 Cole, 67s 



Automatic : Counting Machine for Checking Tram-wagons, 

 An, C. Brackenbury, 489 ; Printing of Wireless Mes- 

 sages, 472 



Autunites of Portugal, The Age of the, M. Muguet and 

 J. Seroin, 521 



Avian Trematode, A New, Eleanor E. Chase, 651 



Aviation : Civil, Proposed Grant for Direct Assistance of, 

 640 ; Report on the Progress of, 574 ; Military, The 

 Future of, Winston Churchill, 258 ; Service and Civil, 

 Technical Aspects of, Capt. Barnwell, 259 ; Service, 

 the Aspects of, Air-Marshal Sir H. M. Trenchard, 259 



Aviators, A Pneumatic Tank for Experiments on the Effects 

 of Reduced Air-pressure and Temperature on the 

 Physical Powers of, J. Boyer, 123 



j8 Bacterium, The Characters Common to the, etc., G. 



Truffaut and N. Bezssonoff, 555 

 /3-ray Emission, Detection of Induced, from Substances ex- 

 posed to Rontgen Rays by a Photographic Method, 



L. Simons, 522 

 Babylonian and Assyrian Scripts, Origins of the, G. C. 



Teloni, 157 

 Bacillus coli Group, .\ Study of the, with special reference 



to the Serological Characters of these Organisms, T. J. 



Mackie, 523 

 Bagnferes-de-Luchon, The Radio-active Analysis of the 



Thermal Springs of, A. Lepape, 363 



Ballistic Calculations, D. R. Hartree, 152 



Balloon Fabrics, The Testing of, W. A. Williams, 409 



Banana Root Borer, The, G. F. Moznette, 773 



Banff and District, Dr. A. E. Mahood. Edited by Dr. E. I. 

 Spriggs, 561 



Bantu Race, A School for the Study of the, 220 



Bantus, The Magic Conception of Nature among. Rev. 

 H. A. Junod, 388 



Barley and a Hybrid Wheat, Inheritance in, F. L. Engle- 

 dow, 158 



Batavia Observatory, Meteorological and Magnetical Ob- 

 servations for 1915, 253 



Batrachian, A New, in Intertropical Africa, P. Chabanaud, 

 778 



Battersea Polytechnic, Courses at the, 99 



Bee : Advisory Committee, Postponement of the contemplated 

 Establishment of a, 814 ; Disease Bill, Postponement of 

 the, 814 ; -eaters in Scotland, Attempted Breeding of, 

 320 



Bees, The Diseases of, known as Foulbrood, G. F. White, 

 480 



Beetles, The Behaviour of, 463 



Beit Fellowshios for Scientific Research, Forthcoming Elec- 

 tions to, 846 



Belfast, the (jueen's University of, G. .S. Robertson 

 appointed Lecturer on Agricultural Chemistry in, 392 



Belgian Royal Academy of Medicine, Prof. F. Francis elected 

 a Corresponding Member of the, 221 



Bergedorf Observatory, Hamburg, vol. ii. , Nos. 3—5, 124 



Berlin University, Prof. Haber appointed Professor of 

 Chemistry in, 66 



Beryllium, The Heat of Oxidation of, H. Copaux and C. 

 Philips, 299 



Bctelgeux : Measurement of the Angular Diameter of, Dr. 

 T. J. J. See, 705 ; Stellar Development in Relation to 

 Michelson's Measurement of the Diameter of. Dr. 

 T. J. J. See, 663 



Binary Stars, The Densities of. Dr. G. Abetti, 418 



Binet-Simon Tests measure General Ability?, Do, Prof. 

 G. H. Thompson, 580 



Biochemistry : and Systematic Relationships, Hon. Mrs. 

 Onslow, and others, 550; Elementary Practical, Prof. 

 W. A. Osborne, 403 ; of Carbohydrate Production in 

 Plants from the Point of View of Systematic Relation- 

 ship, The, Dr. F. F. Blackman, 551 



Biology, an Institute of, named after Ramon y Cajal, 

 Established at Madrid, 816 



Bird Behaviour, Territory and, 590 



Birds : of the Americas, Catalogue of, C. B. Cory, 672 ; 

 Royal Society for the Protection of. Report of the 

 Watchers' Committee of the, for 1919-20, 607 



Birkbeck College Calendar, 134 



Birmingham : Municipal Technical School, Dr. J. Newton 

 Friend appointed Head of the Chemistry Department 

 of the, 199 ; University, Appeal for Funds, 198 ; Appeal 

 for Funds, Lord Robert Cecil, and others, 228 ; The 

 British School of Malting and Brewing in. 266 ; death 

 of A. Godlee ; Increase of Grant by the Worcestershire 

 County Council; Appointments in, 298; The Progress 

 of the Appeal Fund, 424 ; Appeal, The, 448 ; Grants to : 

 R. W. W. Sanderson appointed a Demonstrator in 

 Physics, and R. G. Abrahams Honorary Assistant 

 Curator of the Pathological Museum, Section of Sur- 

 gery, in, 487; Conferment of an Honorary Degree on 

 Mr. Lloyd George ; presentation of portraits of the late 

 Prof. J. H. Poynting, and the late Prof. Adrian Brown; 

 Condition of the Appeal Fund, 776; The Doncaster 

 Laboratory for Research in Mining to be transferred 

 to, under the directorship of Dr. J. S. Haldane, 846 



Bistonine Moths, The, Dr. J. W. W. Harrison, 297 



Black, Joseph : and Belfast, Sir T. E. Thorpe, 16."; ; his 

 Belfast Friends and Family Connections, H. Riddell, 



Blackburn Municipal Technical Colle.ge, F. J. Harlow 

 appointed Principal of the, 298 



" Blanket Weed ' and other Vegetation in Water Reser- 

 voirs, 739 



Blindness, Causes of, Appointment of a Committee on the, 



15s 

 Blodite and other Minerals of the Saline Deposits of Monte 

 Sambuco, F. Millosevich, 100 



