XXXIV 



Index 



Vse, 



Nature, 

 •ptemher 28, 191 1 



Index, A. Berget, 235 ; the Conservation of our National 

 Water Resources, 258 ; Conservation of Water in 

 Australia, Ellwood Mead, 266 ; Surface Water Supply of 

 the United States, U.S. Geological Survey, 295 ; Under- 

 ground Waters for Farm Use, Myron L. Fuller, 295 ; 

 Modern Methods of Water Purification, J. Don, J. 

 Chisholm, Denison B. Byles, 543 ; Underground Water 

 Resources in Mysore, Dr. W. F. Smeeth, 499 ; Move- 

 ments of Subsoil Water in Upper Egypt, H. T. Ferrar, 



499 

 Watson (G. N.), a Theory of Asymptotic Series, 166 ; Solu- 

 tion of the Homogeneous Linear Difference Equation of 

 the Second Order, 337 

 Watson (H. E.), Regularities in the Spectrum of Neon, 



167 

 Watson (W.), Isopiestic Expansibility of Water at High 



Temperatures and Pressures, 200 

 Watts (Prof. W. W.), Presidential Address : the Considera- 

 tion of Geology as Geographical Evolution, 65 

 Webb fG. W.), a Systematic Geography of America, 276 

 Webb (Wilfred M.). the Extinction of the Egret, .i;i8 

 Weigold (Dr. H.), Lyncodaphnids and Chydorids of 



Saxony, 432 

 Welch (Dr. F. D.), Gibbons of the Genus Hylobates and a 



Siamang Gibbon, 66 

 Welch (Prof. J. J.), Size in Battleships, 226 

 Werner (Prof. A.), New Ideas on Inorganic Chemistrv, 



Dr. E. P. Hedley, 310 

 Wertenstein (L.), an Extremely Absorbable Ionising Radia- 

 tion emitted by Radium C, 608 

 Wesenberg-Lund (Dr.), Freshwater Plankton of Denmark, 



&c., 432 

 West (Prof. W.), Three New Species of Algae associated 



with Indian Fresh-water Polyzoa, 507 

 Westcott (W. W.), Salvarsan or 606, 412 

 Wheldale (Miss M.), the Direct Guiacum Reaction given 



by Plant Extracts, 437 

 Whiddington (R.), the Production of Characteristic 



Rontgen Radiations, 471, 541 

 White (Gilbert), the Natural History of Selborne, Richard 



Kearton, Cherry Kearton, 310 

 White (Jean), Bitter-pit in Apples, 576 

 Whiteford (Dr. J.), the Trisection of an Angle by Plane 



Geometry, 581 

 Whitehead (T. B. O.), the High Voltage Corona in Air, <%% 

 Whittaker (Prof. E. T., F.R.S.). Dynamical Value of the 

 Molecular Systems which emit Spectra of the banded 

 Type, 233 ; a History of the Theories of ^ther and 

 Electricity from the Age of Descartes to the Close of the 

 Nineteenth Century, 375 

 Wilczynski (E. J.), Projective Differential Geometry, 511 

 Wild Flowers as They Grow, Photographed in Colours 

 direct from Nature, H. Essenhigh Corke, G. Clarke 

 Nuttall, 413 

 Wilde (Dr. H.), Periodic Times of Saturn's Rings, 473 

 Wilhelm (Prof. K.), die Samenpflanzen, 378 

 Wilks (W. A. R.), " Aldehydo-glyceric " Acid, 541 

 Willows (Dr. R. S.), Behaviour of Incandescent Lime 



Kathodes, 371 

 Wilson (A.), Geologv of Nipigon Basin, Ontario, 361 

 Wilson (C. T. R.),' Method of making Visible the Paths of 



Ionising Particles through a Gas, 404 

 Wilson (Prof. E.), High-tension Electrostatic Wattmeter, 

 371 ; Previous Magnetic History as affected by Tempera- 

 ture, 371 

 Wilson (Prof. James), Clare Island Survey : Agriculture and 

 its History, 67 ; History of British Agriculture, 174 ; the 

 Inheritance of Milk-yield in Cattle, i;o6 

 Wilson (W.), Variation of the lonisation with Velocity for 



the j8 Particles, 166 

 Wind, Use of Acetylene Method for Measuring Velocity of, 



A. Lafay, 135 

 Winslow (Prof. C. E. A.), Sewage Disposal, 510 

 Wireless Telegraphy : Wireless Telegraphy Systems, A. J. 

 Makower, 17 ; Dr. Goldschmidt's High-frequency 

 Generator for Wireless Telegraphy, A. J. Makower, 114; 

 Jahrbuch der drahtlosen Telegraphie und Telephonic, 

 139 ; Some Radio-telegraphic Apparatus in use at the 

 Citv and Guilds College, Prof. G. W. O. Howe, 234; 

 Radio-telegraphic Comparisons of Chronometers by the 

 Method of Coincidences, between Paris and Bizerta, 



MM. Claude, Ferris, and Driencourt, 405 ; Radio- 

 telegraphy, Royal Institution Discourse, Commendatore 

 G. Marconi, 600 



Wolff (J.), Phenomena of Reduction of Oxyhaemoglobin, 

 439 



Woliaston (Mr.), Fish-egg Distribution in the Open Sea, 

 418 



Woltereck (H.), Production of Ammonia and Economy of 

 Nitrogen in Peat, 4'?9 



Women, Influence of the Social Medium on the Develop- 

 ment of Height in, A. Marie, L6on MacAuliffe, 507 



Wood : Caliature Wood, D. Hooper, 311 ; Some of the 

 Properties of Six Species of Papuan Timbers (one White- 

 ant proof), J. Mann, 406 



Woodland (Dr. W. N. F.), the Gas-producing Mechanism 

 in connection with the Gas-bladders of many Teleostei, 32 



Woods (Charlie), a Robin and his Young, 281 



Woods (H.), Palaeontology of the Cretaceous Deposits of 

 Northern Nigeria, 489 



Woodward (Dr. A. S.), Mammalian Teeth from tne 

 Hastings Wealden, 233 ; the Fauna of the Carboniferous 

 Period discovered in the same Deposits as the Carboni- 

 ferous Flora, 541 



Woolacott (Dr. D.), Stratigraphy and Tectonics of the 

 Permian of Durham N., 269 



Worms, British Marine, Prof. W. C. Mcintosh, F.R.S., 

 Prof. F. W. Gamble, F.R.S., 408 



Wroblewski (A.), Soluble Ferments of the Brain, 440 



Wunder (Max.), Action of Syrupy Phosphoric Acid on 

 Various Alloys obtained in the Electric Furnace, 609 



X-Rays : Scattering of X-Rays, E. A. Owen, loi ; lonisa- 

 tion of Heavy Gases by X-Rays, R. T. Beatty, 166 ; 

 Energy Transformations of X-Rays, Prof. W. H. Bragg. 

 H. L. Porter, 470 



Yacoub (Pasha Artin), England in the Sudan, 488 

 Yams, the Composition of Indian, D. Hooper, 507 

 Yorke (Dr. W.), the Pathogenic Agent in a Case of Human 



Trypanosomiasis in Nyasaland, 539 

 Young (Prof. J. W.), Projective Geometry, 207 

 Young (Dr. W. H.), Fourier's Repeated Integral and 



Sommerfeld's Form of it, 200; Fourier Series, 541 

 Young (W. J.), the Alcoholic Ferment of Yeast Juice, 65 

 Young People, " I Wonder " Essays for the, 77 



Zenith Halo : K. C. Kreyer, 349 ; E. Gold, 349, 448 ; Dr. 



E. van Everdingen, 448 

 Zerr (G.), Tests for Coal-tar Colours in Aniline Lakes, 107 

 Zodiacal Light Expedition to Khartoum, Prof. Kr. Birkc- 



land, 79 

 Zoological Society, 32, 66, 134, 200, 234, 337, 471, 504, 607 

 Zoology : das Tlerreich. Gall Flies and Others, Prof. K. W. 

 von Dalla Torre, Prof. J. J. Kiefffr, 4; of Distinguished 

 Animals, H. Perry Robinson, 14 ; Structure and Function 

 of the Gas-producing Mechanism (" Red Body ") found 

 in connection with the Gas-bladders of many Teleostei, 

 Dr. W. N. F. Woodland, 32 ; Skulls of Oxen from the 

 Roman Station at Newstead, Melrose, Prof. J. C. Ewart, 

 32 ; Mammals collected in the Provinces of Kan-su and 

 Sze-chwan, W. China, Oldfield Thomas, 32 ; Marine 

 Brachyura .from the Indian Ocean, Miss Mary J. 

 Rathbun, 33 ; the Transference of Names in Zoology. 

 Rev. T. iR. R. Stebbing, F.R.S., 43 ; Clare Island 

 Survey, Marine Mollusca, N. Colgan, 66; Big-game 

 Shooting in Patagonia and Newfoundland, H. Hesketh 

 Prichard, Sir H. H. Johnston, G.C.M.G., K.C.B., 80: 

 Adaptation of Ticks to the Habits of their Hosts, Prof. 

 Nuttall, loi ; Fleas from N. China, Dr. K. Jordan, Hon. 

 N. C. Rothschild, 134 ; Anatomy of the Frog, 

 MegaJophrvs (Leptobrachium) feae, F. E. Beddard, 134; 

 Spermatophores in Earthworms, F. E. Beddard, 134; 

 Longevity and Relative Viability in Mammals and Birds, 

 Dr. P. Chalmers Mitchell, 13.S ; Untersuchungen iiljer die 

 Zoogeographie der Karpathen, K. Holdhaus, F. Deubel, 

 141 ; the Anton Dohrn Memorial Fund, 149 ; the Skin- 

 glands of Ruminants, R. I. Pocock, 158; Marine In- 



