Nature, "1 



Stptember 20. 



Index 



XXXIX 



of Certain Sponge-spicules, Prof. A. Dendy and Prof. 



J. W. Nicholson, 318 

 Victorian Plants, Teratologicai Notes on, A. D. Hardy, 180 

 Viscometers, Standard Liquids for the Standardisation of, 



E. C. Bingham and R. F. Jackson, 512 

 Voltameter, The Silver, as an International Standard for 



the Measurement of Electric Current, E. B. Rosa and 



G. W. Vinal, 160 

 Voltmeter, A New Form of. Prof. J. B. Whiteiiead, 292 



War: After the, Prof. J. A. Fleming, 421; and the Nation, 

 The, W. C. D. Whetham, 42 1 ; Bread, 427 ; Chemists in, 

 III ; Chemistry and the, Sir T. E. Thorpe, 463; Food 

 Societies, Guidance for, 31 ; Higher Education and the. 

 Prof. J. Burnet, 361 ; Medicine and Surgery, 363.; Muni- 

 tions of. Photographs of Work of Women" Engaged on, 

 217; Strategy of the, Geological Factors Affecting the, 

 and the Geology of the Potash Salts, Prof. J. W. 

 Gregory, no; The, and Our Supply of Drugs, F. .A. 

 Hocking, 90 ; The Relation of, to Chemistry in America, 

 Prof. J. R. Withrow, 463; The Septic Problem in, 48; 

 Wounds, Bacteriology of, K. W. Goadby, 138 ; The 

 Treatment of. Col. Sir A. E. Wright, 514, 534 



Wasps in Kashmir in 1916, Scarcity of, J. Evershed, 185 



Water : and Dry .Matter, Daily Variation of, in the Leaves 

 of Corn and the Sorghums, E. C. Miller, 500 ; Con- 

 tained in the Deeper Portions of the Subsoil, Importance 

 of the, F. J. Alway and G. R. McDole, 379; The 

 Specific Heat of, W. R. Bousfield, 419 



Wave Motion : Due to a Submerged Obstacle, Prof. T. H. 

 Havelock, 358 ; in an Elastic Medium, Derivation of the 

 General Equation for. Prof. J. A. Fleming, 258; on 

 Water, The Theory of. Sir G. Greenhill, 114; -Resist-' 

 ance, Initial of a Moving Surface Pressure, Prof. T. H. 

 Havelock, 96 



Weather : The, 53, 71 ; The Recent Cold, C. Harding, 153 ; 

 in April, Dr. H. R. Mill, 210 



Weddell Sea, The, Dr. W. S. Bruce, 429 



Weeds, Noxious, New Method of Dispersal of, by Birds, 

 C. Barnard, 392 



Wehnelt Cathodes, Loss in Energy of, by Electron Emission, 

 W. Wilson, 500 



Weighing .Apparatus from tfie Shan States, Dr. N. .Annan- 

 dale, 340 



West African Mosquitoes, Dr. J. W. S. Macfie, 191 



Western Australia : Peculiarities of the Tides Round, Prof, 

 and Mrs. S.. D. Ross, 99 ; Water Supply in the Interior 

 of, P. V. O'Brien, 394 



Whale : Piked, Description of the Skeleton of a. Prof. 

 M'Intosh, 392 ; The Sei, R. S. .Andrews, 17 



Whalebone Whales of New England, G. M. Allen, 293 



Whales, Whalebone, of New England, G. M. .Allen, 293 



Wheat : Special Methods of Cultivation of. Prof. .A. Devaux, 

 91 ; The Shortage of, 148 



White Flies, .A. L. Quaintance and A. C. Baker, 213 



Wild : Birds, Destructive, Dr. W. E. Collinge, 6 ; -Duck 

 Foods, Propagation of, 131 ; Life in Canada, Conserva- 

 tion of. Dr. C. G. Hewitt, 246 



Windward and Leeward Islands, The .Agricultural Depart- 

 ments of the, 314 



Wines, White Turbidity in, M. Fonzes-Diacon, 219 



Winter, The Past, C. Hardmg, 294 



I Winters, Coming, A Forecast of, Dr. C. Easton, 524 



Wireless Telegraphy ; and Telephony, Thermionic E)etectors 

 [ in, 105 ; The Elementary Principles of, R. D. Bangay. 



Part ii.. Second edition, 382 

 I Witwatersrand, Annual General Meeting of the Council of 

 Education, Proceedings of the, 357 

 Wolf Comet h 1916 : Prof. Crawfurd, 172, 214; 332 ; Craw- 



furd and .Alter, 375 ; 454 ; 532 ; Dr. Kobold, 454 

 Wolfram, Working in Cornwall for, 13 

 : Women on the Land, 300 

 Wood, Sir H. Trueman, Impending Retirement of, 371 

 Woodcock Breeding in the West of Irdand, Migration of, 

 I Capt. S. R. Douglas, 78 



! Wooden : Scratching-tools Made by an African Parrot, Miss 

 N. F. Layard, 199 ; Ships being Built in the United 

 States, 453 ; Trumpets in Netherlands New Guinea, 

 Distribution of, Dr. A. C. Haddon, 269 

 I Woodpeckers, Feeding Habits of, W. Bickerton, 192 

 ! Woolwich, Temporary Assistants in the Inspection Depart- 

 ment at. Position of, 212 

 Workers' Educational Association, Report of the Conference 

 of the, 439 

 i Worm Nests in Cattle, Etiology of, Drs. Cleland, Dodd, 

 j and Ferguson, 430 



! World Crisis and After, The, 142 

 Wounds Received at the Front, Prophylaxy of the Infection 

 of, H. Vincent, 40 



X-ray : Industry, The Future of the, 355 ; Methods, Simpli- 



field, H. C. Gage, 410 ; Tubes, Geometrical Properties 



of- a Bundle of, J. Pellissier, 159 

 X-rays : Dr. G. W. C. Kaye. Second edition, 225 ; from 



Various Metals, Compositipn of the. Dr. G. W. C. 



Kaye, 217; in a Magnetic Field, lonisation of the, -A. 



Righi, 439 ; of the L Series, Intensities of, D. L. 



Webster and H. Clark, 219; Spectra of, Relations 



between the. Dr. J. Ishiwara, 424 



Year-BcK^ of the Scientific and Learned Societies of Great 



Britain and Ireland, 32 

 Y.M.C..A., -Microscopical Section, Report of the, 31 

 Yoruba Tribe, Gods of the, H. U. Hall, 491 

 Young's Modulus of Nickel with .Magnetic Fields, The 



Change in. Prof. W. Brown, 119 

 Yunnan, Geology of the Province of, J. C. Brown, 471 



Zeiss Abbe Refractometer, Design of the, Bellingham and 

 Stanley, Ltd., 331 



Zirconia : as a Refractory Material, The Use of, J. A. 

 Audley, 375 ; Properties of, 69 



Zirconyl Sulphates, The, E. Chauvenet, 439 



Zool<^ical : Nomenclature, International Commission on. 

 Circular Letter No. 35 of tfie, 213 ; Results of a Tour 

 in the Far East : Hydrozoa and Ctenophora, Dr. N. 

 .Annandale, 240; .Aquatic Oligochaeta from Japan and 

 China, Dr. J. Stephenson, 240; Hirudinea, Dr. .A. Oka, 

 340; Society of London, Report on the PositicKi of the, 

 268; Society's Gardens, Deaths in the, in 19 16, Prof. 

 H. G. Plimmer, 19 ; Insects Reared in the Insect House 

 of the, in 1916, C. J. C. Pool, 78 



Zoology of the Terra Nova Expedition, The, 155 



Zuni Chronology, L. Spier, 379 



