[IV 



Index 



r Xacure, 



[.February ,o, 19 



Vitamins : Prof. H. C. Sherman and S. L. Smith, 6 ; Prof. 

 J. C. Drummond and others, 652 ; and the Choice of 

 Food, Violet G. Plimmer and Prof. R. H. A. Plimmer, 

 336 : Testing for, Drummond and Watson, 557 



Voice Beautiful in Speech and Song, The: a Consideration 

 of the Capabilities of the Vocal Cords and their Work 

 in the Art of Tone Production, E. G. White. Third 

 edition, S71 



Volcanic: Activity in Nigeria, A. A. Reading, 07 : II. S. 

 Cameron, 497 ; Shower in the N. Atlantic, Prof. G. A. J. 

 Cole, 635 



Vulcanising Rubber in Solution, F. Boiry, 235 



Wake Forest College School of Medicine, Gift to, by J. A. 

 Bostwick, 166 



Walking, Level and Grade, Gaseous Exchange and Physio- 

 logical Requirements for, H. M. Smith, 728 



Walnut Trees, The Withering of Young, in 1922, M. Gard 

 686 



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

 Medical Services : Diseases of the War, vol. i., 

 Edited by Maj. -General Sir W. G. MacPherson and 

 others, 729 ; Museum, Fifth Annual Report of the 

 Imperial, 523 ; Office Research Department, Dr. 

 R. C. Farmer appointed Deputy Director of Ex- 

 plosives Research at the, 460 



Wasp, An Ancient, Prof. T. D. A. Cockerell, 313 



Wasserstoffionen - Konzentration, Die, ihre ~ Bedeutung 

 fur die Biologie und die Methoden ihrer Messung, 

 Prof. L. Michaelis, Zweite Auflage. Teil i., 505 



Watches and Chronometers, A New Balance for Compen- 

 sating the Temperature Error of, P. Ditisheim, 830 



Water : -power in the British Empire. The Reports of 

 the Water-power Committee of the Conjoint Board of 

 Scientific Societies, 767 ; Snails and Liver Flukes, 

 Dr. Monica Taylor, 701 ; R. Hedger Wallace, 845 : 

 -supply, A Little Book on, Dr. W. Garnett, 275 ; 

 in Central Australia, O. H. T. Rishbeth, 822 ; 

 of Cambridgeshire, Huntingdonshire, and Rutland 

 from the Underground Sources, The, W. Whitaker, 7 ; 

 Underground, Prof. G. A. J. Cole, 242 ; Vapour, Air] 

 and Hydrogen in the Extreme Ultra-violet, New 

 Spectra of, J. J. Hopfield, 732 



Waterspouts: Dr. G. D. Hale Carpenter; Dr. D. Brunt, 

 414 ; Dr. W. J. Fisher, 669; and Centrifugal Force! 



E. R. Welsh, 644 



Weather : at Blue Hill, 91 ; Charts of the Northern 

 Hemisphere, Daily, S53 ; Cold, in October, 612; 

 Cycles 111 Relation to Agriculture and Industrial 

 Fluctuations, Sir William Beveridge and others, 889 ; 

 Map, The, an Introduction to Modern Meteorology, 

 Sir Napier Shaw. Fifth issue (reprint of fourth), 768 ; 

 of the Past Summer, The, 362 ; Prediction by 

 Numerical Process ; Forms whereon to write the 

 Numerical Calculations described in " Weather 

 Prediction by Numerical Process," L. F. Richardson, 

 762 ; The Proportion of Successes in, J. Mascart, 655 



Wegener's : Displacement Theory, P. Lake, 77 ; E. R. 

 Roe-Thompson, 214 ; Disruption Hypothesis, Maps 

 illustrating the Zoological Aspects of, K. H. Barnard, 

 Drifting Continents, Prof. G. A. J. Cole, 798 



Weights and Measures for India, New, C. A. Silberrad, 

 325, 735 ; H. Richard. 



West : Africa, French, The Oil Palm in, 164 ; Indian 

 Agricultural College, 134, 6S4 ; Prof. J. B. Farmer, 

 Hurricanes, E. H. Bowie, 614 ; Indies; Fungus- 

 hunting in the, Miss E. M. Wakefield, 563 ; Weather 

 in the, 823 



Western Australia, Economic Minerals of, - (.6 



Whaling Industry, The Present Position of the, Sir Sidney 



F. Harmer, .^27 



White Settlement, Distribution of Future, Dr. Griffith 



Tayloi 

 Whitethroat's Fanfare, The Lesser, Prof. W. Garstang, 



319 



Whit gift Hospital, Crovdon, Threatened Destruction of, 

 782 



W'hitworth Scholarships, The, 620 



Wild Birds Protection Acts, Dr. J. Ritchie appointed an 

 Additional Member of the Committee on the, 461 



Wind : Flight, Motorless or, Dr. S. Brodetsky, 483 ; 

 -speed from Sea and Land, N. K. Johnson and S. N. 

 Sen, 462 ; Velocity and Diurnal Range of Temperature, 

 749 



Winkle, The Freshwater, A. E. Hodge, 380 



Winter Thunderstorms, Capt. C. J. P. Cave, 877 



Winters, Severe, The Periodic Return of, E. Roger, 863 



Wireless : Equipment, Safety Devices in, 22 ; Pocket 

 Book, Marine, for the Practical Operator and Student, 

 W. H. Marchant, 273 ; Receiving Set, Metropolitan 

 Vickers Co., Ltd., 324 ; Telegraph, Short-wave 

 Directional, C. S. Franklin, 220 ; Telegraphy : 

 Continuous Wave, A Non-Mathematical Introduction 

 to the Subject of Wireless Telegraphy from the 

 Engineer's Point of View, B. E. G. Mittell, 273 ; 

 The Transmission of Handwriting and Drawings by, 

 E. Belin, 136 ; Telephony, A. P. M. Fleming, 852 ; 

 Receiving Sets, C. F. Edwell, Ltd., 127 ; Weather 

 Manual, The, 461 



Wisconsin University, Prof. A. Sommerteld to lecture at, 

 368 



Witwatersrand University, Dr. R. A. Dart appointed 

 Professor of Anatomy in, 720 



Wolf's Comet, Perturbations of, Prof. Kamensky, 525 



Wood, A Text-book of, H. Stone, 73 



World : About us, The, A Study in Geographical Environ- 

 ment, O. J. R. Howarth, 376; First Circumnavigation 

 of the, The Fourth Centenary of the, 426 ; -story of 

 3,000,000,000 (?) Years, The, J. Reeves, 443 



Worlds, The Origin of, Dr. A. C. D. Crommelin, 660 



Worship ? A New, Prof. H. E. Armstrong, 700 



Wren, Sir Christopher, Preparations for the Celebration of 

 the Bi-Centenary of the Death of, 226 



X-radiation, Variation of the Intensity of Reflected, with 

 the Temperature of the Crystal, I. Backhurst, 654 



X-ray : Crystal Analysis, Ten Years of, Dr. A. E. H .Tutton, 

 47 ; Department at Manchester, New, 753 ; Electrons, 

 le Due de Broglie, Prof. R. Whiddington, Prof. A. O. 

 Rankine, 681 ; Reflection from Powdered Crystals, 

 The Intensity of, Prof. A. H. Compton and N. L. 

 Freeman, 38 ; Prof. W. L. Bragg and R. W. James, 

 148 



X-rays, The Spectral System of the, L. de Broglie and A. 

 Dauvillier, 686 ; Ultra X-rays, and Corpuscular Rays, 

 The Emission of, by the Celestial Bodies, Dr. H. 

 Deslandres, 622 



Year, The Changing, A. Collett, 410 



Yorkshire Philosophical Society, Centenary of the, 393, 459 



Zinc, Isotopes of, Separation of the, A. C. Egerton, 773 

 Zoological : Nomenclature, International Commission on, 



Proposals for the, Dr. D. S. Jordan, 523 ; Society, 



The, E. G. Boulenger, 314; Gardens, Scheme for an 



Aquarium at the, 1 7 ; Station at Rovigno, Istria, 



taken over by the Italian Royal Committee for 



Scientific Marine Investigations, 19 

 Zoologischen Anzeiger, Register zum, begriindet von J. V. 



Carus. Herausgegeben von Prof. E. Korschelt. 



Band xxxvi.-xl., und Bibliographic! Zoologica, vol. 



xviii.-xxii., 245 

 Zoology, A Text-book of, the late Prof. T. J. Parker and 



Prof. W. A. Haswell. In two volumes. Third 



edition, 765 



