liv 



Index 



Nature, 

 ^September 29, 1921 



R. F. Granger, 247 ; Observations of the, made at the 

 'Lyons Observatory, J. Guillaume, 62; The Eclipse of 

 the, of April 8, 192 1, The Electrical Field of the Atmo- 

 sphere During, J. Rouch, 319; Spot Group, The Great 

 and Magnetic Disturbances, May 8-21, Rev. A. L. 

 Cortie, 426 ; The Recent Large, H. W. Newton, 399 ; 

 -spots and Weather, C. E. P. Brooks, 599 ; Effect of a 

 Large Group of, 369 ; -fishes. New Studies of, made 

 during the " Dana " Expedition, 1920; Dr. Jobs 

 Schmidt, 76 



Sunderland Technical College, Gift to, by R. A. Bartrain, 

 669 



Superannuation Systems, American and British, 545 ; W. 

 Palin Elderton, 651, 683; Dr. J. W. Evans, 683 



Surface Tension : and Anaphylactic Shock, A. Lumiere, 127 ; 

 and Antianaphylaxy, W. Kopaczewski, 319; and Surface 

 Energy with Temperature, The Variation of, Prof. 

 A. W. Porter, 702 ; The R6le of, in the "Phenomena of 

 Shock, W. Kopaczewski, 31 



Surgery : Groundwork of (for First-year Students), A. 

 Cooke, 807 ; in Great Britain, The Early History of, Dr. 

 G. Parker, 391 



Sussex Iron Industry : The Rise and Development of the, 

 Rhys Jenkins, 240 ; The Rise and Fall of the, Rhys 

 Jenkins, 630 



Swallows : The Scarcity of, Dr. VV. E. Collinge, 628 ; A. 

 Pride, 779 



Swansea University College, Appointments at, 637 



Symbiosis : A Socio-physiological Study of Evolution, 

 H. Reinheimer, 35 



Symmetry, Lectures on the Principle of, and its Applications 

 in all Natural Sciences, Prof. F. M. Jaeger. Second 

 (augmented) edition, 200 



Syringothyris and Spiriferina, Dr. F. J. North, 501 



Tails, Human and Other, Prof. F. Wood Jones ; Sir Arthur 



Keith, 487 

 Talbot, the late W. H. Fox, Proposed Memorial to, 691 

 Tan Bark, Fermenting, The High-temperature Organism 



of. Part i.. Dr. R. Greig-Smith, 479 

 Tapa or Bark Cloth," " A Catalogue of Specimens of, 



791 

 Taraxacum erythrosperntum, Andrz., in the South-east of 



England, The Distribution of, H. W. Monckton, 253 

 Tasmania, The Phytogeography and Flora of the Moun- 

 tain-summit Plateaux of. Miss L. S. Gibbs, 347 

 Tasmanian Museum, Catalogue of the Osteologica! 

 Specimens in the, W. L. Crowther and C. E. Lord, 

 116 

 Teacher : The Modern, Essays on Educational Aims and 



Methods, Edited by A. Watson Bain, 519 

 Technological Education, The Universities and, Prof. A. 



Smithells, 695 ; Prof. W. W. Watts, 726 

 Telephonic Communication Established between Cuba and 



the United States, 402 

 Telephony : Long-distance, 241 ; Wireless, Demonstrations 

 of, 369 ; The Possibilities and Achievements of. Dr. 

 J. A. Fleming, 369 

 Tellurium Tetraiodide, A. Damiens, 414 

 Temperature and Wind at the Top of the Eiffel Tower, 

 The Simultaneous Oscillations of, and their Relation 

 with the Bjerknes Steering Surface of a Depression, 

 R. Dongier, 191 ; Variability of, over Europe and North 

 America (1900-9), N. A. Comissopulos and J. Wads- 

 worth, 605 

 Temperatures, " Absolute," in Meteorological Publications, 



Sir Napier Shaw, 201 

 Tenebrionidae, The, H. Gebien, 413 

 Termites, Growth of the Antenna in, C. Fuller, 24 

 Texel, Some Birds from. Miss E. L. Turner, 189 

 Teyler Society of Haarlem, Offer of a Gold Medal by the, 



22 

 Thallium Sulphide and Selenide, The Resistance of, 



H. P61abon, 735 

 Thames between Teddington and Shoeburyness, A Model 

 for Investigating the Movements of the, G. E. W. 

 Cruttwell, 596 

 Theban Tombs, Prof. W. M. Flinders Petrie, 70 



Therapeutic Substances, Control of Certain, Report of 

 Committee on, 149 



Thermal : Diffusion, Some Experiments on, T. L. Ibbs, 

 318; Transpiration Currents, Experiments on. Dr. 

 G. D. West, 445 



Thomson's Machine for Armless Men, Sir James Cantlie, 



469 

 'Ihorium C, Mass of Long-range Particles from. Sir 

 Ernest Rutherford, 246 



Tides: Ocean, Prof. J. Proudman, 176, 300; A. C. 

 Tennant, 299 ; H. A. Marmer, 393 ; Dr. W. Bell 

 Dawson, 651 

 Timbers, Commercial, Scientific Names for, R.T. Baker, 45 



Time : and Space, The Absolute Relations of, Dr. A. A. 

 Robb, 422 ;-intervals. Short, The Measurement of 

 Single and Successive, Prof. A. Pollard, 585 ; reckon- 

 ing. Primitive, A Study in the Origins and First 

 Development in the Art of Counting Time among the 

 Primitive and Early Culture Peoples, Prof. M. P. 

 Nilsson, 275 



Tissues, Vegetable and Animal, New Technique for the 

 Inclusions and Microscopical Preparations of. Mile. 

 Larbaud, 511 



Tolerance and Anaphylaxy, The Alternations between, 

 C. Richet, Mile. E. Bachrach, and H. Cardot, 639 



rools and Weapons : Illustrated by the Egyptian Collec- 

 tion in University College, London, and 2000 Out- 

 lines from other Sources, Prof. W. M. Flinders 

 Petrie, 230 



Topom^trie, Manuel de. Operations sur le Terrain et 

 Calculs, J. Baillaud, 6 



Torres Strait and its Echinoderms, 712 



Toxins, Vaccines, and Antitoxins, Standardisation of, 161 



Trachoma, New Acquisitions in the Experimental Study 

 of, C. Nicolle and A. Cu^nod, 382 



Trees : and Shrubs of Mexico, P. C. Standley, 603 ; Dad ^ 

 of the Flowering of Some, in South-west and South- 

 east of England, J. E. Clark, 245 



Trevelyan Rocker, Study of the Actual Motions of the. 

 Prof. Chuckerbutti, 824 



Trigonometry. A Primer of, for Engineers : With Numerous 

 Worked Practical Examples, W. G. Dunkley, 134 



Trilobite, The Structure of the. Dr. C. D. Walcott, 436 



Trinidad as a Key to the Origin of Petroleum, Prof. P. 

 Carmody, 471 



Triton alpesttis, The Experimental Change of Sex in, C. 

 Champy, 447 



Trout, The Food of. Caught in the Torquay Reservoirs, 

 Dr. Perkins, 757 



Trypanosomiasis, A New Treatment of, Dr. C. H. 

 Marshall, 540 



Tuberculosis : and Public Health, Dr. H. H. Thomson, 

 328; "Carriers," Prof. Calmette, 752; Human, Im- 

 munity in, Lt.-Col. N. Raw, 148 ; Problem, The, 641 ; 

 The Conference of the International Union against, 751 ; 

 The Treatment of, by Public Authorities, 353 



Tungsten Filaments, High-temperature Phenomena of, 

 Parts f. and ii., C. J. Smithells, 702 



Tunis, Northern, A Deep Boring which Demonstrates the 

 Existenc of Transported Strata in, L. Joleaud, 447 



Turbines, Properties of Steam and Thermodynamic Theory 

 of, Prof. H. L. Callendar, 482 



Turbo-alternator, Causes Leading to the Breakdown of a, 

 The Metropolitan-Vickers Electrical Co., Ltd., 87 



Turpentine, French Essence of, The Composition of, 

 M. Pariselle, 607 



Tycho Brahe and his Observatory, V. Carlheim-Gyllenskold, 



535 



U Cephei, The Eclipsing Variable, R. S. Dugan, 373 

 Uganda, Geology of, E. J. Wayland, 827 

 Ulmite, a Constituent of Black Sandstone, T. Steel, 640 

 Ulua Valley, Honduras, Marble Vases from, 757 

 Uncharged Nuclei Produced in Moist Air by Ultra-violet 

 Light and other Sources, the late Prof. J. A. McClel- 

 land and J. J. McHenry, 477 

 Unconscious to the Conscious, From the, G. Geley. Trans- 

 lated by S. de Brath, 712 



