Nature, *| 



September 2^, 1911J 



INDEX. 



Abbot (C. G.), the Solar Constant of Radiation, 534 



Abercromby (A. F.), the Snakes of Ceylon, 512 



Achalme (P.), Influence of Viscosity of the Medium upon 

 Diastatic Actions, 439 ; Function of Viscosity in Varia- 

 tions of Action of Invertine with Concentration in 

 Saccharose, 474 



Adams (W. S.), Pressure in Stellar Atmospheres, 362 



Adamson (A.), Dioptriemeters, 303 



Aeronautics : the Sailing Flight of Birds, Major B. Baden- 

 Powell, q ; the Coefficient of Skin-friction in Air at 

 Moderately High Velocities, H. Chatley, 60; Aero and 

 Motor Exhibition at Olympia, 157 ; Aeroplane Stability, 

 Prof. H. Chatley, 177; the Flight of Birds, G. A. 

 Borelli, 211 ; Recent Progress in Aeronautics, Major B. 

 Baden-Powell, 229 ; Grundlagen der Ballonfiihrung, Prof. 

 R. Emden, 243 ; the Flight of Exocoetus (Flying Fish), 

 C. Crossland, 279 ; Automatic Valve for Pilot Balloons, 

 Capt. C. H. Ley, 303 ; Travelling at High Speeds on 

 the Surface of the Earth and above it, Prof. H. Hele- 

 Shaw, 330 ; Pathological Conditions induced by Aviation, 

 R. Cruchet, M. Moulinier, 372 ; Experiments with the 

 Installation for Aerodynamical Measurements of the 

 Vincennes Aviation Establishment, J. Olive, 439 ; 

 Description of Two Additions to an Aeroplane for Pre- 

 serving Longitudinal and Transversal Equilibrium 

 respectively, Capt. Duch^ne, 439 ; Diagrams of Stream 

 Lines past an Elliptic Cylinder, Sir G. Greenhill, Col. 

 R. L. Hippisley, 472 ; Project for an International Map 

 and Aeronautical Fixed Points Ch. Lallemand, 506 ; 

 Reports of the Government Advisory Committee for the 

 Years 1909-11 ; Report on the Theory of a Stream Line 

 past a Plane Barrier, and Application to an Aeroplane, 

 Sir George Greenhill. F.R.S., 5.';6 ; the Aeroplane, an 

 Elementary Text-book on the Principles of Dynamic 

 Flight, T. O'B. Hubbard, J. H. Ledeboer, C. C. Turner, 

 556; Mechanics of the Earth's Atmosphere, a Collection 

 of Translations, Cleveland Abbe, 556 ; Birdflight as the 

 Basis of Aviation, O. Lilienthal, G. Lilienthal, A. W. 

 Isenthal, 582 



/^ther : a History of the Theories of ^Ether and Elec- 

 tricity from the Age of Descartes to the Close of the 

 Nineteenth Century, Dr. E. T. Whittaker, F.R.S., 375 



Africa : East Africa, the Ethnology of A-Kamba, C. W. 

 Hobley, C.M.G.. Dr. A. C. Haddon, F.R.S., 45; the 

 Niger and the West Sudan, a Vade Mecum with Hausa 

 Vocibularies, Capt. A. J. N. Tremearne, 175 ; From 

 Hausaland to Egvpt through the Sudan, Dr. H. Karl W. 

 Kumm, Sir H. H. Johnston, K.C.M.G., F.R.S., 213; 

 African Forest-hog, Mr. Bryden, 351 ; die Pflanzenwelt 

 Africas, Prof. A. Engler, 441 



Agriculture : History of Irish and other Agriculture, J. 

 Wilson, 67; Toxic Effect of Plant Essences on Wheat 

 Germs, H. Coupin, 68 ; Wart Disease of Potatoes, 126 ; 

 Assil Cotton, G. C. Dudgeon, 144; Insect and Fungoid 

 Pests, 161 ; History of British Agriculture, Prof. J. 

 Wilson, 174 ; Destruction of Locusts, Report of the 

 S. African Central Locust Bureau, 184 ; Agricultural 

 Bulletins, University of Wisconsin, 194 ; to Work a 

 Grass Holding at a Living Profit, and the Cheap Cottage 



Problem, H. B. M. Buchanan, 209 ; Lettres Agricoles, 

 Prof. C. Seltensperger, 241 ; Australian Agriculture and 

 Science, Prof. W. Angus, 265 ; Soil Fertility and Per- 

 manent Agriculture, Prof. C. G. Hopkins, 272 ; Under- 

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

 Agricultural Bacteriology, Prof. John Percival, 344 ; 

 Diseases of Economic Plants, Prof. F. L. Stevens, J. G, 

 Hall, 376 ; the Feeding of Crops and Stock, an Intro- 

 duction to the Science of Nutrition of Plants and 

 Animals, A. D. Hall, F.R.S., 443; Inquiry into the 

 Potato Disease Phytophthora infestans, Prof. T. Carroll, 

 506 ; Rural Denmark and its Lessons, H. Rider 

 Haggard, 509 ; Protozoa of the Soil, T. Goodey, 540 ; 

 Circulars and Agricultural Journal of the Royal Botanic 

 Gardens, Ceylon, Root Diseases of Tea, Canker in 

 Cacao and Hevea, T. Petch, Outbreak of Large Snails, 

 E. E. Green, Intervals between Tappings in Para 

 Rubber, Cotton Growing, 569 ; Bitter-pit in Apples 

 caused by Spraying with Lead Arsenate, Jean White, 

 576 ; Rothamsted Experiment Station, 599 ; Fatal Poison- 

 ing of Colonial Cattle and Horses by Ragwort, A. R. 

 Cushnv, 607 



Aitken (Dr. John, F.R.S.), Breath Figures, 516 



Alchemy, Ancient and Modern, H. Stanley Redgrove, 375 



Alcoholic Fermentation, Dr. A. Harden, F.R.S., ^70 



Allbutt (Sir T. Clifford, K.C.B., F.R.S.), Energy and the 

 Organism, 374 



AUchin (Sir W. H.), Reconstruction of the University of 

 London, 115 



Allen (Dr. H. S.), Path of an Electron in Combined Radial 

 Magnetic and Electric Fields, 404 



Allen (Prof. H. N.), Model Illustrating Passage of a Light 

 Wave through Quartz, 607 



Allen (Dr. R. W.), Vaccine Therapy, 243 



Alliaud (C), the Electrocution of Fish and Hydrostatic 

 Stability, 542 



Alloys : Inst. Mech. Eng. Alloys Research Committee, 

 Report, W. Rosenhain, F. C. A. H. Lantsberry, 400 ; the 

 Coefficient of the Quadratic Term in the Formula of the 

 Expansion of Nickel Steels, C. E. Guillaume, 506 ; Action 

 of Syrupy Phosphoric Acid on Various Alloys obtained 

 in the Electric Furnace, M. Wunder, B. Jeanneret, 609 



Alt (Dr. H.), die Kalte, 276 



Amar (J.), the Expenditure of Energy in Walking, 67 



America : the Old North Trail, or Life, Legends, and 

 Religion of the Blackfeet Indians, W. McClintock, Dr. 

 A. C. Haddon, F.R.S., 83 ; a Systematic Geography of 

 America, G. W. Webb, 276 



American Indians North of Mexico, Handbook of, 379 _ 



American Philosophical Society, Annual General Meeting, 

 Prof. A. W. Goodspeed, 533 



Amphibia, Distant Orientation in the, Bruce F. Cummings, 

 448 



Anatomy : Anatomy of the British Carices, F. C. Crawford, 

 Rev. E. F. Linton, 38; Bergh's Drawings of S. African 

 Opisthobranchs, 158 ; Grundziige der mikroskopischen 

 Technik fiir Zoologen und Anatomen, A. B._ Lee, P. 

 Maver, 241 ; Anatomy of Enhalus acoroides, Rich., Miss 

 H. M. Cunnington, 608 



