Nature^ T 

 July 22, 1909J 



Index 



Hollis (A. C), the Nandi ; their Language and Folklore, 



Holt (A., Jun.), Action of Hydrogen on Sodium, 209 



Holt (E. W". L.), the Life-history of the Eel, 357 



Hopf (Ludwig), the Human Species, Considered from the 



Standpoints of Comparative Anatomy, Physiology, 



Pathology, and Bacteriology, 424 

 Hornaday (\V. T.), Camp-fires on Desert and Lava, 279 

 Home (A. S.), Davidia iiivolucrata, Baill., 148 

 Horticulture: Treatment of Trees for Insect Pests, 138 

 Horwood {A. R.), Moral Superiority among Birds, 40 ; 



Calainitcs (Calaniitina) Schutzei, Stur, 47S 

 Hoskins-Abrahall (\V.), a Winter Retreat for Snails, 96 

 House in the Water, the, Charles G. D. Roberts, 129 

 Houston (Dr.), Water Examinations, Value of the Storage 



of Raw River-water Antecedent to Filtration as a Means 



of Purification, 286 

 Houston (R. A.), Electrons and the Absorption of Light, 



Howard (Dr. L. O.), Economic Loss to United States 

 through Disease-carrying Insects, 448 



Hrdlicka (Alts), Physiological and Medical Observations 

 among the Indians of South-western United States and 

 Northern Mexico, 126 



Hubbard (Geo.), Dew-ponds, 223 



Huddersfield, Association of Teachers in Technical Institu- 

 tions in, the Defects of English Technical Education and 

 the Remedy, Dr. Robert Pohl at, 205 



Huerre (J.), the Maltase from Buckwheat, 479-So 



Huerrc (R.), Influence of the Reaction of the Medium on 

 the Activity of the Maltases from Maize, 300 



Hugounenq (Dr. L.), the Hydrolysis of Proteins, 472 



Hulme (Prof. F. E.), Death of, 197 ; Obituary Notice of, 

 224 



Hulme (F. E.), Familiar Swiss Flowers, 452 



Human Species, the, Considered from the Standpoints of 

 Comparative Anatomy, Physiology, Pathology, and Bac- 

 teriology, Ludwig Hopf, 424 



Huntoi- (J. de Graaff), Apparatus for Measurements of the 

 Defining Power of Objectives, 28 



Hunter (W. D.), American Insect Pests, 13S 



Hunting, Brown-bear, in Alaska, G. Mi.xter, 378 



Huntingdon (E.), Mountaineers of the Euphrates, 167 



Hutchin (H. W.), Determination of Tungstic Acid in Low- 

 grade Wolfram Ores, 388 



Huyghens (Christian), Qiuvres completes de, publi^es par la 

 Soci(!-te hollandaise des Sciences, 307 



Hybridisation : Cross-breeding of Two Races of the Moth 

 Acidalia virgularia, Louis B. Prout and A. Bacot, 58 ; the 

 Scientific Aspects of Luther Burbank's Work, D. S. 

 Jordan and V. L. Kellogg, 337 



Hydraulics : Depression of Filament of Maximum Velocity 

 in a Stream Flowing Through an Open Channe', A. H. 

 Gibson, 147 ; the Flow of Rivers, Bouquet de la Grye, 148 ; 

 Hydraulic G^nirale, A. Boulanger, 396 



Hydro-carbons, Explosive Combustion with Special Refer- 

 ence to that of. Prof. W. A. Bone, F.R.S., at Royal 

 Institution, 81 



Hvdrodvnamics : Wave Motion and Bessel's Functions, 

 Prof. 'G. H. Bryan, F.R.S., 309 



Hydrogen, Spectrum of Magnesium in, E. E. Brooks, 410 



Hydrography : Manual of Tides, RoUin A. Harris, 91 ; 

 Hydrographical Surveying, Rear-Admira! Sir William 

 J. L. Wharton, K.C.B., 307 ; New Method of Plotting 

 Currents from Observations of Drifters, Prof. Thompson, 

 328 



Hydrology: Artificial Waterways and Commercial Develop- 

 ment (with a History of the Erie Canal), Dr. A. Barton 

 Hepburn, 307 ; the Water Supply of Kent, with Records 

 of Sinkings and Borings, Wiliiam Whitaker, F.R.S., 

 Dr. H. Franklin Parsons, Dr. H. R. Mill, and Dr. J. C. 

 Thresh, 432 ; American and Canadian Waterways, 461 ; 

 Water Power in the United States, 494 



Hydrostatics : High Hydrostatic Pressures,- P. W. Bridg- 

 man, 107 



Hygiene : Hours of Sleep for Children, 70 ; Ventilation for 

 l^wellings, Rural Schools, and Stables, F. H. King, 127 ; 

 the Essentials of Sanitary Science, Gilbert E. Brooke, 

 182 ; Death of Dr. Letchworth Smith, 224 ; Water 

 Examinations, Value of the Storage of Raw River Water 

 Antecedent to Filtration as a Means of Purification, Dr. 



Houston, 286 ; Pollution of Sea-water, Prof. Kenwood 

 and F. N. Kay-Menzies, 413 

 Hypnosis : die Hypnose und die Suggestion, ihre Wesen, 

 ihre Wirkungsweise und ihre Bedeutung und Stellung 

 unter den Heilmittein, Dr. W. Hilger, 273 



Ice Crystals, Studies of Frost and, Wilson J. Bentley, 492 



Ichthyology : Submerged X'egetation of Lake Windermere 

 as Affecting the Feeding Grounds of the Fish, Prof. F. E. 

 Weiss, 120 ; the Life-history of the Eel, E. W. L. Holt, 

 357 ; Recent Papers on F'ishes, 357 ; the Signification of 

 the Rhabdospora, Supposed Parasitic Sporozoa in Fishes, 

 L. L^ger and O. Duboscq, 480 



Ihering (H. von), les Mollusques fossiles du Tertiaire et 

 du Cr^tac^ superieur de 1 'Argentine, 262 



Images Photographed Through Glass, Errors of Position of. 

 Dr. Schlesinger, 503 



Imperial Bureau of Anthropology, an, Dr. A. C. Haddon, 

 F.R.S., 73 



Imperial Side of the Fuel Question, the, 277; Sir \\ . Ram- 

 say, K.C.B., F.R.S., 278; Arthur McDougall, 309 



Index Kewensis Plantarum Phanerogamarum, 156 



India : Sketch of the Mineral Resources of India, Sir T. H. 

 Holland, 163; Survey of India, Dr. C. Chree, F.R.S., 

 293 ; the Percy Sladen Trust Expedition to the Indian 

 Ocean, J. Stanley Gardiner, F.R.S., 321 ; J. C. F. Fryer, 

 321 ; the Flora of the Presidency of Bombay, Dr. Theo- 

 dore Cooke, 362 ; Natural History in India, 370 



Infantilism from Chronic Intestinal Infection, on, Charac- 

 terised by the Overgrowth and Persistence of Flora of the 

 Nursling Period, Prof. C. A. Herter, 92 



Infectious Diseases, a Manual of. Dr. E. W. Goodall and 

 Dr. J. W. Washbourn, 454 



Ingle (Herbert), Elementary Agricultural Chemistry, 93 



Innes (Mr.), a Remarkable Transit of Jupiter's Third Satel- 

 lite, 409 



Insects : Papers and Reports on Insects, 81 ; die Metamor- 

 phose der Insekten, Dr. P. Deegener, 156; Papers on 

 Molluscs and Insects, 263 ; Insect Stories, Vernon L. 

 Kellogg, 344 



Institution of Civil Engineers, " James Forrest " Lecture at. 

 Road Motors and Problems Connected with Them, Colonel 

 H. C. L. Holden, F.R.S., 323 



Institution of Mechanical Engineers, the Electrification of 

 Railways, John A. F. Aspinall at, 260 



Institution of Mining and Metallurgy, 29, 299, 388 



Institution of Naval Architects, the, 172 



Interferometer, a Simple Fabry and Perot, Prof. James 

 Barnes, 187 



Internal-combustion Engine, the, H. E. Wimperis, Prof. 

 E. G. Coker, 124 



Internal-combustion Engines, their Theory, Construction, 

 and Operation, R. C. Carpenter and H. Diederichs, Prof. 

 E. G. Coker, 124 



International Chart of the Heavens, 193 



International Commission for Scientific Aeronautics, the, 354 



International Congress of Chemistry, Seventh, 313 



International Congress of Applied Chemistry, 412 ; Scien- 

 tific Work of the, 470 



International Union for Cooperation in Solar Research, 

 Transactions of the, 134 



Interstellar Space, Dispersion of Light in. Dr. Ch. Nord- 

 mann, 409 



Intra-Mercurial Planet Problem, Prof. Campbell, 320; Dr. 

 Perrine, 320 



lonisation in the Atmosphere, Prof. A. S. Eve, 36 



lonisation by Rontgen Rays, Dr. Charles G. Barkla, 187 



Iron, Malleable Cast, S. Jones Parsons, 454 



Iron and Steel Bars, Dimensional Changes produced in, by 

 Magnetism, W. J. Crawford, 339 



Iron and Steel Institute, the, 384 



Iron and Steel, the Story of, J. Russell Smith, 126 



Isaac (Miss P.), Spontaneous Crystallisation of Monochlor- 

 acetic Acid and its Mixtures with Naphthalene, 28 



Isothermal Layer of the .Atmosphere, the, E. Gold, 68 



Italy : le precipitazioni atmosferiche in Italia dal 1880 al 

 1905, 192 ; the Italian Earthquake of December 28, 1908, 

 Dr. G. Martinelli, 445 



Iyengar (N. V.), Meteorology of Mysore for 1907, 140 



Iyer (V. Subramania), Sand-binding Plants, 198 



