Nature, "1 



September 29, 192 1 J 



Index 



XV 



Irwin-Smith (Vera), Life-histories of Australian Diptera 

 Brachycera. Part i., Stratio-myiidae, No. 2, 799 



Ise (Prof. J.), The United States Forest Policy, 326 



Issel (A.), First Steps in the Systematic Arrangement of 

 Geological Marks, 351 



Ives (Major H. E.), Airplane Photography, 39 



Jack (R. L.), The Salt and Gypsum Resources of South 



Australia, 795 

 Jackson (Sir Herbert), Presidential Address to the Institute 



of Chemistry, 22 

 Jackson (H. G.), appointed Reader in Zoology at Birkbeck 



College, 443 

 Jackson (J.), Double Stars, 217 



Jaeger (Prof. F. M.), Lectures on the Principle of Sym- 

 metry and its Applications in all Natural Sciences. 



Second (augmented) edition, 200 

 Jameson (Dr. H. Lyster), The Japanese Artificially-induced 



Pearl, 396, 621 

 Japan (The Crown Prince of), conferment upon of an 



Honorary Degree by Cambridge University, 411 ; Visit 



to Greenwich Observatory, 369 

 Jarry-Desloges (R.), Study of the Bright Martian Areas, 



607 

 Jarvis (Florence E.), The Hydroids of the Western Indian 



Ocean, 413 

 Jauch (L.), The Electrical and the Mechanical Methods of 



connecting the Propellers of a Ship with the Steam 



Turbines, 724 

 Jeans (J. H.), Cosmogony and Stellar Evolution, 557, 588 ; 



Relativity and the Velocity of Light, 42, 169 ; The 



Dynamical Theory of Gases. Third edition, 804 ; The 



Mathematical Theory of Electricity and Magnetism. 



Fourth edition, 133 

 Jeffreys (Dr. H.), The Accelerations of the Sun and Moon, 



281 ; Certain Geological Effects of the Cooling of the 



Earth, 445 ; The Concept of " Space " in Physics, 267 ; 



The Physical Status of " Space," 394; Uniform Motion 



in the i^ther, 747 

 Jellicoe (Lord), and others, Speeches at the Opening of the 



Cawthron Institute, Kelson, 435, 668 

 Jenkin (Prof. C. F.), and D. N. Shorthose, The Total 



Heat of Liquid Carbonic Acid, 412 

 Jenkins (Rhys), The Rise and Development of the Sussex 



Iron Industry, 240, 630 

 Jenness (D.), and'the late Rev. A. Ballantyne, The Northern 



D'Entrecasteaux, iii 

 Jewett (F. B.), Industrial Research, 121 

 Joerg (W. L. G.), Visit to Europe to Study the Present 



Status and Tendencies of Geography, 434 

 Johnsen (A.), and K. Rahbek, New Technical Applications 



of an Electrostatic Principle, 439 

 Johnson (C. M.), Rapid Methods for the Chemical Analysis 



of Special Steels, Steel-making Alloys, their Ores and 



Graphites. Third edition, 423 

 Johnson (Prof. T.), and Miss J. G. Gilmore, Occurrence! of 



Dewalquea in the Core of the Bore tnade at Washing 



Bay, Co. Tyrone, 477 ; The Occurrence of a Sequoia 



at Washing Bay, Co. Tyrone, 639 

 Johnson (T. B.), A. J. Hill, and E. B. Kelsey, Alkyl Amides 



of t5o-Thiocyanacetic Acid, 94 

 Johnson (W. E.), re-elected a University Lecturer in Moral 



Science in Cambridge University, 474 

 Johnston (Sir H. H.), Sport and Administration in Central 



Africa, 518; The Man Who Did the Right Thing: A 



Romance of East Africa, 486 

 Joleaud (L.), A Deep Boring which Demonstrates the Exist- 

 ence of Transported Strata in Northern Tunis, 447 

 Jolibois (P.), A Photographic Method of Registering Chemi- 

 cal Reactions accompanied by a Variation in Pressure, 



2154; and Bouvier, The Reversibility of the Reaction 



CaCO, = CO,-|-CaO, 447 

 Joly (H.), The Geology and Physical Geography of the Rio 



Guddiato Depression (Sierra Morena, Spain), 254 

 Joly (Prof. J.), A Quantum Theory of Colour Vision, 317; 



'Light and Electrons, 203 ; Scientific Research, 657 ; The 



Universities and Research, 760 

 Jones (Prof. B. M.), appointed Principal of the Manchester 



College of Technolc^y, 156 



Jones (Chapman), The Sir William Abney Memorial 

 Lecture, 662 



Jones (E.), appointed Lecturer in Engineering in Man- 

 chester University, 669 



Jones (Prof. F. Wood), Human and Other Tails, 487 



Jones (H. Spencer), Stellar Magnitudes and their Deter- 

 mination, 142, 173, 205 ; The Application of Inter- 

 ference Methods to Astronomy, 685 



Jones (L. A.), and C. E. Fawkes, The Action of Photo- 

 graphic Reducers on the Images Produced on Develop- 

 ment Printing Papers, 344 



Jones (Prof. O. T.), The Valentian Series, 350 



Joijes (W. J.), appointed Professor of Chemistry in the 

 University College of South Wales and Monmouthshire, 

 572 



Jones (Prof. W. N.), and Dr. M. C. Rayner, A Text-book 

 of Plant Biology, 37 



Jordan (J. B.), Nets for Making Models of Simple Crystal- 

 forms, 794 



Jouguet (E.), The Case of Poincar6 in the Theory of 

 Elasticity, 30 



Jourdain (Rev. F. C. R.), To lead a Biological Expedition 

 to Spitsbergen, 214 



Joyce (T. A.), appointed Deputy Keeper of the Department 

 of Ceramics and Ethnography of the British Museum, 

 722 



Kapetyn (Prof. J. C), and Dr. P. J. Van Rhijn, Statistics 

 of Proper Motions, 694 



Karsten (Dr. R.), The Siociology of the Indian Tribes of 

 Ecuador, 150 



Katz (F. J.), and A. Keith, The Newington Moraine of 

 New England, 86 



Kaye (Dr. G. W. C), and Prof. T. H. Laby, Tables of 

 Physical and Chemical Constants, and Some Mathe- 

 matical Functions. Fourth edition, 264 



Kayser (E.), The Influence of Uranium Salts on Nitrogen 

 Fixation, 414 



Keartland (G. A.), The Common Fox in Australia a Source 

 of Revenue, 53 



Keith (Sir Arthur), appointed Arnott Demonstrator at the 

 Royal CoHegie of Surgeons of England, 507 ; Human 

 and Other Tails, 487 ; Human Palaeontology, 322 



Keith (J.) [obituary], 51 



Kellas (Dr. A. M.) [death], 498; [obituary article], 560 



Keltie (Sir John Scott), The Position of Geography in 

 British Universities, 502 



Kemble (E. C), The Constitution of the Helium Atom, 662 



K/enyon (Sir Frederic), Presidential Address to the Museums 

 Association, 822 



Kernot (M. E.), The Present System of Education of Engi- 

 neers and Architects, 441 



Kerrison (Dr. P. D.), Diseases of the Ear. Second edition, 



743 



Khan (Prof. M. A. R.), The Equation UV=-f, 309 



Kidd (Dr. W.), Initiative in Evolution, 419 



Kidston (Dr. R.), and Prof. W. H. Lang, Old Red Sand- 

 stone Plants, Showing Structures from the Rhynie 

 Chert Bed, Aberdeenshire. Parts iv. and v., 382 



Kikuchi (Baron T.), [obituary article], 83 



Kilian (W.), and F. Blanchet, a Sub-alluvial Sheet of 

 Thermal or Mineralised Water in the Bed of the Dur- 

 ance, at Serre-Pongon, 639 



King (Dr. L. V.), Some New Formulae for the Direct 

 Numerical Calculation of the Coefficient of Mutual 

 Hicluction of Coaxial Circles, 736 



King (W. B. R.), The Surface of the Marls of the Middle 

 Chalk in the Somme Valley, etc., 158 



Kinghorn (J. R.), appointed Assistant in Charge of Rep- 

 tiles, Birds and Amphibians in the Australian Museum, 

 Sydney, 434 



Kinsey (A. C). The American Cynipidae or Gallwasps, 85 



Klahn (Dr. H.), The Value of the Statistics of Variation 

 for the Study of Fossils, 215 



Knapp (.'\. W.), Cocoa and Chocolate : Their History from 

 Plantation to Consumer, 357 



Knapp (L. P.), The Solubility "of Small Particles and the 

 Stability of Colloids, 381 . 



Knibbs (G. H.), elected President of the Australasian Asso- 

 ciation, 408 ; World and Empire Development, 441 



