Xaturr, 



.-luiimt 12, I922_ 



Index 



li 



Centre ; and on the Effects of Rotation, R. V. South- 

 well, 289 



Vine Mildew, The Germination of the Spores of, L. Ravaz 

 and G. Verge, 30 



Viscosity: and Flash-point Apparatus, A. Gallenkamp and 

 Co., Ltd., 79^ ; Determination by Means of Orifices 

 and Short Tubes, W. N. Bond, 462 



Viscous : Liquid, Stability of a, contained between two 

 Rotating Cylinders, G. I. Taylor, 533 ; Properties of 

 (fl) Carbon Dioxide and Nitrous Oxide, and (6) Nitro- 

 gen and Carbon Monoxide, An Experimental Com- 

 parison of the, C. J. Smith, 666 



Visibihty of Distant Objects, Prof. H. Benard, .\\z 



Visual Instruction, Organisation for, Dr. C. W. Kimmins, 

 617 



Vitamins and their Relation to Public Health, Dr. J. C. 

 Drummond, 123 



Vogelzuges, Die Ratzel des, ihre Losung auf experi- 

 mentellem Wege durch Aeronautik, Aviatik und 

 Vogelberingung, F. von Lucanus, 373 



Vowel Sounds, Nature of. Sir R. A. S. Paget, 341 



Walaeus and the Circulation of the Jjlood, Dr. G. A. 

 Stephens, 552 



Wales, National Museum of. Annual Report of the, 53 



War : History of the Great, based on Official Documents. 

 By Direction of the Historical Section of the Com- 

 mittee of Imperial Defence : Naval Operations, Sir 

 J. S. Corbett. VoP 2, 135 ; llie, and the Royal 

 Engineers, 336 



Wasps, Hunting, More, J. H. Fabre. Translated by 

 A. T. de Mattos, 270 



Waste in Industry, 676 



Water : Flow in Pipes, 606 ; Power, British, and its 

 Administration, 161 ; Power Resources of India, 

 J. W. Meares, 531 



Waterways, Harbours, and Docks, Dr. Brysson Cunning- 

 ham, 151 



Wave: Detector, An Electric, E. V. Appleton, 397; Resist- 

 ance, Effect of Shallow Water on, T. H. Havclock, 

 224 



Waves maintained by Modulation, The Reception of, R. 

 Jouaust, 94- 



Wealden Iron Industry, The Historical Geography of the, 

 M. C. Delany, 410 



Weather: and Harvest Cycles, Sir William Beveridge, 627; 

 and the Crop-yield in the North-east Counties of Scot- 

 land, A. E. M. Geddes, 763 ; Exceptionally Hot, 723 ; 

 of 1 92 1, The, 118 ; Simple Lessons on the, for School 

 Use and General Reading, E. Stenhouse, 440 ; The, 

 and the Crops in Eastern England, 1885-1921, R. H. 

 Hooker, 193 



Webbia : Raccolti di scritti botanici. Edita da Prof. 

 U. Martelh. Vol. Quinto, Parte i--^, 644 



Week, The, in West Africa, N. W. Thomas, 124 



Wegener's Displacement Theory, 202 



Welding: Engineers, Institution of, to be formed, 147; 

 Spot and Arc, H. A. Hornor, 171 



Weldless Steel Tubing, Tests of. W. W. Hackett, 188 



Weltgebaude, Das, im Lichte der neueren Forschung, 

 Prof. W. Nernst, 766 



West: Africa, The Week in, N.W.Thomas, 124; Virginia, 

 University of, and Morgantown, Gift to, by Dr. I. C. 

 White and Mrs. White, 316 ; Yorkshire Metallurgical 

 Society, The, 454 



Western Reserve University, Gift to, by S. Mather, 317 



Whale Fisheries, A History of the, from the Basque 

 Fisheries of the Tenth Century to the Hunting of the 

 Finner Whale at the Present Time, Dr. J. T. Jenkins, 

 298 



Whales of the Genera Megaptera and Balaenoptera, The 

 Skull in Foetal Specimens of, the late Dr. W. G. 

 Ridewood, 499 



Whaling, The History of, 298 



What the Public Wants; A Study of the American 

 Museum of Natural History, 81 



Wheat: A Monograph on. 366; as the Basis of Britain's 

 Food Supply in Time of War, Lord Bledisloc '5 

 Plant, The, A Monograph, Prof. J. Pen ival, ' /'■ ' 

 Prices and Rainfall in Western Europe', i,2.- ; 'ku-,i-, 

 near Cambridge, Occurrence of, K. C. Mchla, 402 



Whey, Production and 1 Utilisation of. Prof. R. A. j'ierry 25 



Wind: at Llandudno, The I'.ftccl PnKliKcd by, W. Dalli- 

 more, 290 ; Ubstrvatious lu I'mnish Lightships 

 Dr. G. Granfjvist, 88 



Wireless : Apparatus for Tristan da Cunha, 655 ; Com- 

 munication Apparatus, Catalogue of, C. F. Elwell, 

 Ltd., 824 ; Telegraphy and Telephony : An Outline 

 for Electrical Engineers and others. L. B. Turner, 38 ; 

 Commission, Report of the, 149 ; Directive, Direction 

 and Position Finding, etc., L. H. Walter, 270 ; Con- 

 tinuous Wave, Prof. W. H. Eccles, Part i, 38 ; 

 Precursors of. Sir Joseph Larmor, 410 ; Telephone 

 Receiving Sets, 819 ; Universal, 719 ; Time-Signals, 

 Prof. Sampson, 422 



Witch : -craft in Western Europe, 572 ; -cult in Western 

 Europe : A Study in Anthropology, M. A. Murray, 

 572 



Wood, Trueman, Lecture, The, Dr. J. A. Fleming, 140, 179 



Woollen and Worsted Research, 564 



World : The External, K. Gerhards, 691 ; The Genesis of 

 the, 765 



Wreyland, Small Talk at, C. Torr, Second Series, 678 



Wright, Wilbur, Memorial Lecture, The, A. Ogilvie, 822 



Wrought-iron Currency, A Specimen of, from the Kisi 

 Country, Sierra Leone Protectorate, West Africa, 

 R. C. Gale and Capt. E. R. Macpherson, 138 



X-Ray : Spectra, on the N-Series in, V. Dolejsek, 582 ; 

 Spectrum, The L-series of the, D. Coster, 258 ; Studies 

 on the Crystal Structure of Iron and Steel, Dr. 

 Westgren and Mr. Phragmen, 817 ; Work, " Safety 

 First " in, Watson and Sons, 791 



X-Rays: Examination of Textiles by.Truesdale and Hayes, 

 283 ; Measurement of the Mean Penetrating Power 

 of a Bundle of, by a New Radio-Chromometric 

 Method, M. de Laroquette, 399 ; of the L-series, 3, 

 The Intensities of, F. C. Hoyt, 30 



Xylenes, Three, SolubiUty of Isomeric Toluic Acids in the, 

 M. Chapas, 399 



Yerkes Observatory, Slides of Photographs taken at, 386 

 York Philosophical Society, Appeal for Funds, 689 

 Yorkshire Philosophical Society, Centenary of the, 53 

 Ytterby, The Small Haloes of. Prof. J. Joly, 711 

 Yunnan and Western Szechuan, Impending Expedition to, 

 by Prof. J. W. Gregory and C. J. Gregory, 51 



Zeeman's Discovery, The History of, and its Reception in 

 England, Sir Oliver Lodge, 66 



Zinc : and Cancer, P. Cristol, 567 ; Sulphide, Phosphorescent, 

 A. A. Guntz, 800 



Zoological Society of London : Additions to the Menagerie 

 of the, 248, 421, 622; Annual Report of the, for 1921, 

 689 ; Monthly Report of the, 148 ; Prince Albert of 

 Monaco and Prof. G. O. Sars elected Foreign Members 

 of the, 21 



Zoology, Botany, and Prehistoric Archaeology of the 

 British Isles, Papers bearing upon the, T. Sheppard. 

 622 



Zulkowski's Theory of the Relation between the Composi- 

 tion and Durability of Glass, An Examination and 

 Extension of, W. L. Bailhe, 157 



