Nature. 

 February 2, 192a 



Index 



XXXV 



of Geology and Geography in, E. B. Mathews and 



H. P. Little, 225 

 Universities' Library for Central Europe, Report of the, 



196 

 University : and Civil Service Salaries, 222 ; Education : 



Reduction of Government Grant in aid of, 355 ; 



Resolution respecting the proposed Reduction of 



Grant in aid of, 452 ; Grants, 361 ; Relief for Central 



Europe and Russia, Sir Maurice de Bunsen, 436 



V V Orionis, New Elements of Light Variation of, H. 



Grouiller and J. Ellsworth, 486 

 Valence : The Electronic Conception of, and the Constitu- 

 tion of Benzene, Prof. H. S. Fry, 77 ; Types of. Dr. 



I. Langmuir, loi 

 Valency : Bonds and the Mechanism of Organic Reactions, 



Prof. A. Lapworth, 584 ; Qualities of, Dr. R. M. Caven, 



210 ; Dr. S. H. C. Briggs, 306 

 Variation and Evolution, Evidences of, as they occur in 



Nature, J. S. Huxley, 252 

 Vegetable Assimilation and Respiration, Experimental 



Researches on, XIV., A. J. Wilmott, 388 

 Venereal Disease, The Prevention of, 169 

 Venus and Mars, Conjunction of, W. F. Denning, 164 

 Verneuilina polystropha and some other Foraminifera, 



The Species of, E. Heron- Allen and E. Earland, 70 

 Vicia Faba, Production of the " marbled varieties " of, 



L. Blaringhem, 326 

 Viscosity of Normal Liquids, The Influence of Temperature 



on the, E. van Aubel, 32 

 Viscous : Fluids, The Two-dimensional Slow Motion of. 



Prof. L. Bairstow, Miss B. M. Cave, and Miss E. D. 



Lang, 356 ; Liquids, The Flow of, through slightly 



Conical Tubes, A. S. Hemmy, 388 

 Visibility : Methods of Improving, A. G. Lowndes, 



Capt. Sir David Wilson -Barker, 337 ; of Distant 



Objects, A Method of Improving, Prof. C. V. Raman, 



242 

 Vivianite, Banded Precipitates of, in a Saskatchewan 



Fireclay, J. Stansfield, 589 

 Volta Effect in a Vacuum and in Highly Rarefied Gases, 



The, E. Perucca, 263 

 Voltage Regulator, An Automatic, F. G. H. Lewis, 388 

 Vowel Sounds, The Nature of, P. Edwards, Prof. E. W. 



Scripture, 82 



Wales : The National Museum of. Department of Botany 

 of, resignation by Dr. E. N. Miles Thomas of the 

 Keepership of the, 442 ; University College of. 

 Aberystwyth, Gift to, by Sir Garrod Thomas, 293 



Walrus, Status of. The, as a Member of the British Fauna, 

 Dr. J. Ritchie, 27 



War : The Transitory Effect of, upon the Rate of Growth 

 of Population, Prof. R. Pearl, 443 ; Work of the 

 Bureau of Standards, U.S.A., 540 



\^"axmestrahlung, Theorie der, Vorlesungen uber die. Prof. 

 Max Planck, Vierte Auflage, 527 



Water : Boiled and Unboiled, The Differentiation of. 

 Dr. W. R. G. Atkins, 339 ; Power Committee of the 

 Conjoint Board of Scientific Societies, Third and Final 

 Report of the, 457 ; Development, Prof. A. H. Gibson 

 (Presidential Address to the Engineering Section of 

 the British Association), 59, 181 



Water-clock, A Primitive, from Algeria, M. W. Hilton- 

 Simpson, 583 



Wave Theory of Light, The Present Position of the. 



Dr. R. A. Houstoun, 13, 61 

 Wave-lengths, Short, A New Radiation of, G. Reboul, 555 

 Waves in an Isotropic Solid, Propagation of, A. Mallock, 



465 

 Weather Forecasting, The Possibilities of the Rocket in, 



R. H. Goddard, 263 

 Weather : Forecasts, Long-range, E. V. Newnham, 579 ; 



October, 222 ; November, 382 

 Weekly Weather Report, The, for the week ending August 



27, 96 

 Wellesley College, Massachusetts, Bequest to, by F. A. 



Foster, 102 

 Westminster Abbey, Science in, Eng.-Com. E. C. Smith, 



437 

 WhaUng Industry, The, A. F. Bearpark, 191 

 Wheat, The World's, Sir James Wilson, 133 

 Whispering-Gallery Phenomenon at St. Paul's Cathedral, 



Prof. C. V. Raman and G. A. Sutherland, 42, 421 

 Wilson lonisation Tracks, Some Peculiarities of the, and 



a Suggested Explanation, J. L. Glasson, 421 

 Wind, The Dynamics of. Dr. H. Jeffreys, 453 

 Wireless Telegraphy, Long-distance, The Coming of Age 



of, and some of its Scientific Problems, Prof. J. A. 



Fleming, 448 

 Wisconsin University Observatory, Dr. J. Stebbings 



appointed Director of the, 443 

 Women, Cambridge and, 292 

 World's Wheat Supplv, The, 133 



X-radiation, The Energy of. Prof. C. G. Barkla, 449 

 X-ray : Analysis of Adularia Felspar and Moonstone, 

 S. Kozu and others, 352 ; Spectra, The Relative 

 Positions and Intensities of Lines in, W. Duane 

 and R. A. Patterson, 294 

 X-rays : Absorption of : W. E. Williams and B. L. 

 Worsnop, 306 ; by Chemical Elements of High 

 Atomic Numbers, W. Duane, H. Fricke, and W. 

 Stenstrom, 326 ; L Series, Characteristic Absorption 

 of, W. Duane and R. A. Patterson, 294 ; Pamphlet 

 on, Kodak, Ltd., 479 ; Secondary, The Softening of, 

 Prof. A. H. Compton, 366 ; S. J. PUmpton, 402 ; 

 Dr. J. A. Gray, 435 ; The K Series of, W. Duane 

 and W. Stenstrom, 263 



Yass, N.S.W., Occurrence of Porphyritic Intrusions at 



C. W. Mann, 518 

 Yeast, The Longevity of Certain Species of, A. R. Ling 



and D. R. Nanji, 388 

 Yeasts, The Sporulation Curve of. The Stereogrammatic 



Interpretation of, H. Kufferath, 230 



Zenith Resistances, The Zenith Manufacturing Co., 546 

 Zinc: Pure Rolled, Relation between Mechanical Pro 



perties and Micro-structure in, D. H. Ingall, 198 ; 



The Distribution of, in the Organism of the Fish, 



M. Bodansky, 389 

 Zinc-Copper Alloys, The Density of. T. G. Bamford, 197 

 " Zoological Record," The, W. L. Sclater, 436 

 Zoological Society of London, Monthly Report of the. 



Presentation of the Silver Medal to Capt. C. H. 



Armitage, 477 

 Zoology : for Medical Students, Prof. J. Graham Kerr, 



493 ; Some Recent Advances in, and their Relation 



to Present-day Problems, Prof, H. B. Fantham, 551 



