Nature, "I 

 August 12, 1922 J 



Index 



Ibirica, January, 385 



Ice: Age and Man, The, H. J. E. Peake and J. Reid Moir, 

 529 ; Establishment of an Institute for the Study of 

 the, 383 ; at Low Temperatures, The Brittleness of, L. 

 Hawkes, 240 ; Patrol Service, Work of the, 453 ; 

 Rehef Sculpture by, A. Allix, 194 ; The Crystal 

 Structure of, Sir William Bragg, 256 



Illuminating : Engineering Society, Report of the, 790 ; 

 The Work of the, 248 ; Gas, The Toxic Action of, on 

 Plants, Prof. J. H. Priestley, 731 



Images in Kinematography, An Apparatus for the Rapid 

 Dissociation of, by the Electric Spark, L. Bull, 631 



Immunology, The Principles of. Prof. H. T. Karsner and 

 Dr. E. E. Ecker, 7 



Imperial : Aspects of Comparative Medicine, 633 ; College 

 of Science and Technology, Sir Thomas H. Holland 

 appointed Rector of the, 655 ; Institute, The, 403 ; 

 Monographs on Mineral Resources with Special 

 Reference to the British Empire : Petroleum, 475 ; 

 Research Institute of Osaka, Prof. P. P. von Weimarn 

 appointed Research Associate of the, 622 



Index Kewensis Plantarum Phanerogamarum, Supple- 

 mentum Quintum, 472 



India : Agriculture in, 594 ; as a Centre of Anthropological 

 Inquiry, Sir Arthur Keith, 408 ; Commercial Informa- 

 tion for. Handbook of, C. W. E. Cotton, 809 ; Hydro- 

 electric Survey of, vol. 3, J. W. Meares, 531 ; Iron 

 Production in, 191 ; Jute and Silk in, 170 ; Meteoro- 

 logical Department of the Government of. Report of 

 the, 215 ; The Palaeolithic Age in, T. H. Vines, 387 



Indian : Fishing Tribes in Vancouver's Island, Dr. F. IBoas, 

 423 ; Game Birds, 606 ; Marine Polychaeta, R. 

 Southern, 187 ; Oligochaeta, The Morphology, Classi- 

 fication, and Zoogeography of, iv., v., vi.. Dr. J. 

 Stephenson, 256 ; Science Congress : Handbook for 

 the Use of Members attending the Ninth Meeting to 

 be held at Madras from the Thirtieth of January to 

 the Fourth of February 1922, 304 



Indigo Situation in India, The, Prof. H. E. Armstrong, 790 



Induction Motor, The, and other Alternating Current 

 Motors, B. A. Behrend. Second edition, 545 ; Dr. A. 

 . Russell, 545 



Industrial: Development, Scientific Research and, 124; 

 Fatigue, Prof. B. Muscio, E. Farmer, and R. S. Brooke, 

 222 ; and Efficiency, Dr. H. M. Vernon, 511 ; Board, 

 Second Annual Report of the, 351 ; Lighting, L. 

 Gaster, 354 ; Morbidity in Great Britain, Statistics of, 

 E. A. Rusher, 21 ; Motion Study, E. Farmer, 219 ; 

 Pioneers, Calendar of, 29, 61, 93, 125, 156, 192, 223, 

 255. 289, 325, 361, 395, 429, 461, 499, 533, 566, 598, 

 630, 665, 698, 729, 762, 798, 829 ; Psychology, 

 National Institute of. Journal of the, 184 ; Dr. C. S. 

 Myers and others, 459 ; Research, Functions of, 807 ; 

 The Basis of Economic Progress, A. P. M. Fleming 

 and J. G. Pearce, 807 



Industry, The Psychology of, Dr. J. Drever, 511 



Influence Machines, Modern High-speed, V. E. Johnson, 

 103 



Influenza : Age Incidence of, Annie D. Betts ; The Writer 

 of the Article, 240 ; G. W. Butler, 342 ; Blood 

 Concentration Changes in, F. P. Underbill and M. 

 Ringer, 30 ; Problem, The, 129 ; The Spread of, 52 ; 

 Returns,^ The, 118, 148 



Infusoires d'eau douce, fitudes sur les. Dr. E. Penard, 441 



Inner Impulse, The, 675 



Insect : Fauna of Britain, Additions to the, 726 ; Pairing, 

 The Geometry of, C. G. Lamb, 730 ; Transformation, 

 Prof. G. H. Carpenter, 673 



Insects : and Human Welfare, Prof. C. T. Brues, 710 ; 

 Metamorphoses of. Dr. A. D. Inims, 673 ; War 

 against. Dr. L. O. Howard, 79 



Integral : Calculus, A Treatise on the, with Applications, 

 Examples, and Problems, J. Edwards, vol. i, 435 ; 

 Equations, The Numerical Solution of, H. Bateman, 

 224 



Intelligence Statistics, Dr. R. W. Lawson, 716 



Interfacial Tension and Hydrogen Ion Concentration, 

 Dr. H. Hartridge and R. A. Peters, 666 



Interferometer, A New Form of, H. P. Waran, 94 



Internal-combustion Engine, Barr and Stroud's, 120 



International : Astronomical Union, Dr. A.C. D.Crommelin ; 



Prof. W. W. Campbell elected President, 727 ; Fishery 

 Investigations, The, 390 ; Union of Geodesy and 

 Geophysics, The, 759 ; Oh. Lallemand re-elected 

 President, 759 



Intestinal : Flora, The Transformation of the, with Special 

 Reference to the Implantation of Bacillus acidophilus, 

 II., Feeding Experiments on Man, H. A. Chaplin and 

 L. J. Rettger, 31 ; Protozoa of Man, The, C. Dobell 

 and F. W. O'Connor ; Sir E. Ray Lankester, 98 



Intradermic Injection of Micro-organisms, Reactions of 

 Defence and Immunity provoked by the, Either 

 Living or Killed by Heat, N. Breton and V. Grysez, 

 764 



Invention, Discovery and. Awards for, 293 



Iodine, The Kinetic Study of Alkaline Solutions of, O. 

 Lievin, 567 



lona. The Geology of. Prof. Jehu, 62 



Irish Eskers, J. de W. Hinch, 353 



Iron : -Age Village near Devizes, An Early, Mrs. Cunnington, 

 593 ; and Steel, Crystal Structure of. X-ray Studies 

 on the. Dr. Westgren and Mr. Phragmen, 817 ; Ore 

 in Europe, Prof. J. W. Gregory, 794 ; Resources of 

 Europe, The, M. Roesler, 794 ; Production in India. 

 191 



Irons, Cast, The Thermal Treatment of some, J. Durand, 

 535 



Irrigation, The Development of Institutions under, with 

 Special Reference to Early Utah Conditions, Prof. G. 

 Thomas, 577 



Island Communities, The Sociology and Economics of 

 some. Dr. Malinowski, 532 



Isotopes : Dr. F. W. Aston, 736 ; Elements and, 736 ; 

 H. H. Poole, 699 ; The Difference between Series 

 Spectra of, Prof. P. Ehrenfest, 745 ; Prof. N. Bohr, 

 746 



Italian Earthquake of September 7, 1920, The, P. Monnet, 

 326 



Japan, Mathematics in, 287 



Jellies, The Rigidity of, F. Michaud, 763 



Jena University, Prof. A. Gutbier appointed Professor of 



Chemistry at, 729 

 Jenner Medal of the Royal Society of Medicine, The, 



awarded to Dr. J. C. McVail, 823 

 Johannesburg, Geological Map of, C. T. Mellor and A. L. 



Du Toit, 562 

 Johns Hopkins University School of Hygiene and PubUc 



Health, The, 486 

 Jupiter and his Markings, W. F. Denning, 591 

 Jurassic Plants : from Ceylon, Prof. A. C. Seward and R. E. 



Holttum, 193 ; from Yorkshire, Some New and Rare, 



(V), H. H. Thomas, 290 

 Jute and Silk, Reports on, Indian Trade Inquiry, 170 

 Juvenile Delinquency, Dr. C. Burt, 250 



K Series of the Light Elements, The Complexity of the, 



and its Theoretical Interpretation, A. Dauvillier, 326 

 Kahn, Albert, Travelling Fellowship, The, awarded to 



J. H. Nicholson, 823 

 Kaiser Wilhelm Gesellschaft zur Forderung der Wissen- 



schaften zu Ihrem zehnjahrigen Jubilaum dargebracht 



von ihren Instituten, Festschrift der, 69 

 Ka Lines of the Lighter Elements, The, V. Dolejsek, 326 

 Kaolins, Clays, Bauxites, etc., A. Bigot, 731 

 Karlsruhe Technische Hochschule, Prof. K. Freudenberg 



appointed Successor to Prof. Pfeiffer at the, 729 

 Kasolite, a New Radio-active Mineral, A. Schoep, 63 

 Katangar, Flore du, contribution a I'etude de la, E. de 



Wildeman, 548 

 Kata-thermometer, The, a Measure of Ventilation, Prof. 



L. Hill, Dr. H. M. Vernon, and D. H. Ash, 126 

 Kauri Pine, Preservation of the, 282 

 Kentucky, The House of Representatives of, and the 



Teaching of Evolution in Schools, 669 

 Kepler, The Laws of, and the Relativist Orbits, J. Trousset, 



699 

 Kerguelen, New Surveys in, Capt. R. R. du Batz, 319 

 Kew, Royal Botanic Gardens: Impending Retirement of 



Sir David Prain; appointment of Dr. A. W. Hill as 



