Nature, 

 September 29, 1921, 



Index 



xL 



Kaolins and Clays, The Contraction on Drying of, A. Bigot, 

 222 



Kelvin Gold Medal for Engineering, The, presented to Dr. 

 W. C. Unwin, 341 ; Lecture of the Institution of Elec- 

 trical Engineers, The Twelfth, Sir William Bragg, 79 



Kent's Cavern, Rev J. MacEnery's Excavation Work at, 

 H. J. Lowe, 758 



Kepler, W. W. Bryant, 713 



Keto-enolic Double Linkage, Additional Properties of the, 

 H. Gault and R. Weick, 799 



Kilauea Volcano Observatory, Maintenance of the, 823 



Kinetic Theory, The, and the Quantum, 804 



King George V. Dock, 'London, The, 628 



Kodaikanal Observatory, Report of the, for 1920, 535 



Kurrajong Earthquake of August 15, 19 19, The, Dr. L. A. 

 Cotton, 832 



Laboratory Ware, British, and Chemicals, Prof. J. R. Part- 

 ington and C. L. Bryant, 457 



Lac and Shellac : Industry in India, The, Dr. A. D. Imms, 

 797 ; Report on, H. A. F. Lindsay and C. M. Harlow, 



797 



Lachrymal Bone in Vertebrate Animals, Evolution of the. 

 Dr. W. K. Gregory, 279 



La Ferrassie, Works of Art Discovered at, Dr. Capitan and 

 M. Peyrony, 468 



L 'Alimentation et 'L'Elevage Rationnels du B^tail (Opinions 

 du Prof. A. Mall^vre), J. E. Lucas, 422 



Lamarckism Unashamed, 419 



Latninaria flexicaulis. The Mucilaginous Substances of, 

 Mme. Z. Gruzewska, 703 



Lamprey, The Narrow-mouthed, and its Ascent of Water- 

 falls, D. A. Herbert, 436 



L'Astronomie et Ics Astronomes, A. Collard, 503 



Land Flora, The Earliest, Dr. D. H. Scott, 537 



Lands of Silence, The : A History of Arctic and Antarctic 

 Exploration, Sir Clements R. Markham, 291 



Lathvrism, or the Intoxication produced by Vetch-seeds, M. 

 Mirande, 414 



Latian Province, Minerals of, F. Millosevich, 254 



Latitudes and Longitudes in Central Asia, Astronomical 

 Determinations of, G. Abetti, 703 



Law of Mass Action, Application of the, to the Results 

 obtained in the Reaction of j8-Galactosidase on Galac- 

 tose in Solution in Propyl Alcohol, M. Bridel, 510 



Leeds University : Visit of Princess Helena Victoria ; Dr. 

 R. J. S. McDowall appointed Lecturer in Experimental 

 Physiology and Experimental Pharmacology, 123 ; The 

 Finances of. Sir Michael Sadler, 540 ; The Memorial 

 Gas Plant being Constructed ; Gift towards, by A. G. 

 Glasgow, 604 ; The James Edmondson Ackroyd Memo- 

 rial Fellowship awarded to F. W. Dry, 732 



Leonard Prize for Radiographic Research, The, 502 



Leonardo da Vinci, The Salving of the, 217 



Leptospermum, Occurrence of a New Phenol in the Essen- 

 tial Oils of the, A. R. Penfold, 703 



Levant, The Seas of the. Preliminary Notice of the Italian 

 Expedition for Exploring, Prof. G. Magrini, 478 



Liassic Gastropods, The Evolution of Certain, with Special 

 Reference to their Use in Stratigraphy, Agnes 

 McDonald and Dr. A. E. Trueman, 445 



Life : and Mind, Problems of, 35 ; The Ways of, A Study in 

 Ethics, S. Ward, 35 



Light : and Electrons, Sir Oliver Lodge, 169 ; Prof. J. Joly, 

 203 ; Artificial, Its Influence upon Civilisation, M. 

 Luckiesh, 486 ; The Use of, as an Aid to Various Games 

 and Sports, J. S. Dow, 470 ; as an Aid to Publicity, 

 The Use of, Capt. E. Strood, E. C. Leachman, and 

 E. T. R. Murray, 23 ; " -body " Hydrophones and the 

 Directional Properties of Microphones, Drs. A. B. Wood 

 and F. B. Young, 541 ; -filters in Microscopy, The Use 

 of, J. H. Pledge, 252 ; Heterogeneous, The Photo- 

 graphic Efficiency of, F. C. Toy, 542 ; the Relative 

 Velocity of. Remarks on Simple Relativity and, Sir 

 Oliver Lodge, 716, 748 ; The Velocity of, Relativity' and, 

 C. O. Bartrum ; J. H. Jeans, 42 ; Sir Oliver Lodge, 73 ; 

 C. O. Bartrum, 141 ; J. H. Jeans, 169 ; The Absorp- 

 tion of, by Electrically Luminescent Mercury Vapour, 

 E. P. Metcalfe and B. Venkatesacher, 286 



Lighting : and Extinguishing Public Gas-lamps, An Appa- 

 ratus for, P. Bernard and Barbe, 62 ; A. Cabrier, 542 ; 

 of Ships at Sea, The, Discussion on, 310 



Lightning : and Thunderstorms, Recent Work on, C. T. R. 

 Wilson, 638 ; Ball, seen in London, 722 



Ligurian Fossil Sponges: iii., C. De Stefani, 128; vi., 

 C. De Stefani, 671 



Lime and Magnesia, The Removal of, from Solution, by 

 Precipitates of Chromium Hydroxide, E. Toporescu, 



159 



Limiting Motions of a Semi-rigid Body about a Fixed Point 

 under no Forces, O. Lazzarino, 671 



Limnestheria, A New Conchostracan Genus, Mrs. Mabel C. 

 Wright, 309 



Linnean : Gold Medal of the Linnean Society, Presentation of 

 the, to Dr. D. H. Scott, 434 ; Society, Election of 

 Officers and Council of the, 499 ; Prof. J. M. Coulter, 

 Dr. S. Garman, Prof. G. B. Grassi, Prof. L. A. Mangin, 

 and Prof. J. Massart elected Foreign Members of the, 



Lippich, Black Fringe, The, and the Precision of Polari- 

 metric Measurements, G. Bruhat and Mile. M. Hanot, 



542 



Lippincott's Quick Reference Book for Medicine and 

 Surgery, Dr. G. E. Rehberger, 484 



Liquid Air Contained in Vacuum Flasks, An Experimental 

 Analysis of the Losses due to Evaporation of. Prof. H. 

 Briggs, 190 ; Carbonic Acid, The Total Heat of. Prof. 

 C. F, Jenkin and D. N. Shorthose, 412 ; Oxygen Vapor- 

 iser, A, E. A. Griffiths, 412 



Lister, Lord, Six Papers by, with a Short Biography and 

 Explanatory Notes, Sir Rickman J. Godlee, 232 



Literature for Jerusalem University, Prof. S. Alexander, 

 I. M. SiefT and D. B. Stanhill, 333 



Liver : Blood Plasma, and Proteid Sugar, H. Bierry and 

 F. Rathery, 575 ; Working of the. Comparative 

 Researches on the. Following Surgical Anaesthesia pro- 

 duced by Chloroform, Ether. Nitrous Oxide, or Novo- 

 caine, F. Widal, P. Abrami, and J. Hutinel, 446 



Liverpool : Dept. of Oceanography, Changes of Staff, 637 ; 

 University, Dr. McLean Thompson appointed Professor 

 of Botany in, 572- 



Liverworts Submerged in Water, The Modifications of Form 

 and Structure of, Ad. Davy de Virville and R. Douin, 

 510 



Lockyer, The Norman, Observatory, The Hill Observatory, 

 Sidmouth, to be known in future as, 306 



Logic, A Psychology of. Prof. H. Wildon Carr, 612 



Logs and Antilogs, R. T. A. I., 300 



London : County Council and Day Continuation Schools, 

 475 ; Handbook of Lectures and Classes for Teachers for 

 the Session 1921-22, 830; Electricity Inquiry, The, 609; 

 Institute of Historical Research in, 668 ; University, 

 Purchase of Site, 28 ; Resolution for the Continuance 

 of the Physiological Laboratory, South Kensington ; 

 Conferment of Doctorates, 123 ; College, Annual Report 

 of the Committee of the, 221 ; Forthcoming Public Lec- 

 tures, 284 ; Presentation Day, 348 ; Appointment of, 

 Representatives of Science to the Senate for 1921-25, 

 348 ; The Granting of the Degrees of Master of Science 

 and Master of Arts, 349 ; T. A. Brown appointed Senior 

 Lecturer in Pure Mathematics, and Dr. P. Stocks 

 Medical Officer in connection with the Department of 

 Applied Statistics and Eugenics at University College, 

 379 ; Dr. R. R. Gates appointed Professor of Botany at 

 King's College, 442 ; D. M. S. Watson appointed Pro- 

 fessor of Zoology and Comparative Anatomy at Uni- 

 versity College ; H. G. Jackson appointed Reader in 

 Zoology at Birkbeck College ; Dr. W. Wilson appointed 

 Professor of Physics at Bedford College, 443 ; Confer- 

 ment of Doctorates, L. H. D. Buxton elected to an 

 Albert Kahn Travelling Fellowship, 443 ; Sir Sydney 

 Russell-Wells re-elected Vice-Chancellor ; Dr. G. Cook 

 appointed Professor of Mechanical Engineering at 

 King's College ; L. Hawkes appointed University 

 Reader in Geology at Bedford College ; ; The Title of 

 Emeritus Professor of Philosophy and Comparative Psy- 

 chology conferred on Carveth Read, 572 ; Grants from 

 the Dixon Fund ; Conferment of Doctorates, 572 ; 

 M. T. M. Ormsby appointed Professor of Municipal 



