XXXll 



Inaex 



[. 



April 15, igao 



Order, for a Symmetrical Optical System, Comdr; T. Y. 

 Baker and Prof. L. N. G. Filon, 713 



Longstreth, Edward, Medal of the Franklin Institute 

 awarded to J. J. Skinner, 8 



Loughborough Technical College, Dr. T. Stuart Appointed 

 Lecturer in Mathematics, and G. Mavor Lecturer in 

 Mechanical Engineering at the, 67 



Low Power-factor, Effect of, from the Viewpoint of Elec- 

 tric Power Station Operators, E. E. Stark, 517 



Lubrication and Lubricants, R. M. Deeley, and others, 



45' 

 Luminosity : in Centipedes, 705 ; Produced in Helium, 



Prof. Horton and Miss D. Bailey, 454 

 Luminous : Chilopoda, with Special Reference to Geophilus 



carpophagus, Leach, Hilda K. Brade-Birks and Rev. 



S. Graham Brade-Birks, 705 ; Radiations, Origin of, 



Emitted by Vapours, G. \. Hemsalech, 491 ; Worms, 



Rev. S. Graham Brade-Birks, 93 : H. E. Aldridge, 174 

 Lunar Photography with the looin. Reflector, F. G. 



Pease, 511; Studies, Prof. W. H. Pickering, 544 

 Lycaenidae and Hesperidae, The Druce Collection of, at 



the Hill Museum, Witley, 77 

 Lyon, Foire de, Bulletin oflficiel de la, 9 



Mackenzie River Basin, The, C. Camsell and \V. Malcolm, 

 640 



Macquarie Island, The Vascular Flora of, T. F. Cheese- 

 man, 101 



Magnesite Deposits, The, of Bulong, 137 



Magnetic Storm of August 11-12, 1919, The, A. Graham 

 Bell, 74; J. Evershed, 436; Dr. C. Chree, 468 



Magnetite, The Atomic Space Lattice in. Prof. W. Peddie, 



714 

 Maimed : Menders of the, The Anatomical and Physi- 

 ological Principles underlying the Treatment of Injuries 

 to Muscles, Nerves, Bones, and Joints, Prof. A. Keith, 



493 ^ .J J 



Maize : the Development of. The Action of Cyanamide and 



Dicyanodiamide on, P. Maz4, M. Vila, and M. Le- 



moigne, 347 ; The Origin of, Y. Kuwada, 639 



Malacological Society of London, Election of Officers and 



Council of the, 671 

 Malaria-like Parasite in the Blood of an Indian Buffalo, A. 



A. L. Sheather, 445 

 Mallee, Red, Water from the Roots of the, T. Steel, 20 

 Mallet Type of Locomotive, a Development of the, 342 

 Mammalian Physiology, Prof. C. S. Sherrington, 71 

 Man: in Britain, Pre-History of, Flint Implements from 

 the Chalky Boulder Clay of Suffolk, J. Reid Moir, 706; 

 The Antiquity of. Dr. A. Smith Woodward, 212; J. 

 Reid Moir ; Dr. A. Smith Woodward, 335 ; The 

 Dominion of, 371 

 Manchester : Chemical Club Incorporated with the Man- 

 chester Literary and Philosophical Society, 178 ; Liter- 

 ary and Philosophical Society, the Future of the. Sir 

 Henry A. Miers, 326 ; Sir Henry A. Micrs elected Presi- 

 dent of the, 340 ; Municipal College of Technology, 

 Appeal for Funds, 405 ; F. Watts appointed Assistant 

 to the Director of the Department of Industrial Ad- 

 ministration, 648; University, Appointments in, iq ; 

 An Appeal for Funds, 426 ; A. V. Hill appointed Pro- 

 fessor of Physiology in, 585 ; F. Watts appointed 

 Lecturer in Psychology, 616 

 Manganese Ores, The, of the Shimoga and Adjacent Dis- 

 tricts, B. Jayaram, 137 

 Maps, Large-scale, Value of, in War, 509 

 Marine : Algae, Seasonal Variation in the Chemical Com- 

 position of, L. Lapicque, 618 ; Animals, The Abundance 

 of, and a Quantitative Survey of their Occurrence, 

 Prof. W. A. Herdman, 427; Biology, Recent English, 



707 

 Maryland : Geological Survey, Volumes of the, for 1916-18, 



703 ; The Geography of, W. B. Clark, 703 

 Mathematician's Miscellany, A, 689 

 Mathematics : in the United States, 601 ; Particular and 



General, Dr. S. Brodetsky, 390 ; the Philosophy of. 



Lectures on. Dr. J. B. Shaw, 390 

 Mathematical : Analvsis, Introductorv, Dr. W. P. Webber 



and Prof. L. C. Plant, 169 ; Association, Forthcoming 

 Annual Meeting of the, 386 ; Prof. W. P. Milne, 550 ; 

 Curriculum of the Secondary Schools in the U.S., 

 Grant for a Study of the, ig ; Functions, Tables of, 1 

 Dr. C E. Adams, 517; Notes, Prof. H. F. Baker, 714; i| 

 Papers for Admission into the Royal Military Academy I 

 and the Royal Military College and Papers in Elemen- 

 tary Engineering for Naval Cadetships for the years 

 1909-18, Edited by R. M. Milne, 626 ; Statistics, 579 ; 

 Text-books, Dr. S. Brodetsky, 109, 169 



Matter, the Structure of. The Influence of Investigations on 

 the Electrical Properties of Gases on our Conceptions 

 of. Sir J. J. Thomson, 224 



Matthiola, A Graded Series of Forms in, Miss Saunders, 



Mauritius, Royal Alfred Observatory, Reports of the, 673 

 Measurement of Practical Ability, Dr. P. B. Ballard, 513 

 Mechanical Science, Developments of. Dr. W. C. Unwin, 



241 

 Medical : and .'\llied Professions, The, as a State Service, 



Prof. D. Eraser Harris, 508 ; Social War-work in 



Egvpt, 560; Discovery, Awards for, 296: Rewards for, 



488' 

 Medical Science: Abstracts and Reviews, Vol. i., No. 5, 



703 " ll 



Medical: Science, X-rays in. Dr. A. C. Jordan, 237 ; j| 



Services of the Colonies and Dependencies, Appointment 



of a Committee on the, 297 

 Medicine: Preventive, since 1869, Dr. C. J. Martin, 210; y. 



The New Birth of, Sir T. Clifford Allbutt, 204 || 



Mediterranean : Geography and History in the. Prof. W. M. '' 



Calder, 650 ; The Occanographic Study of the, Prince 



of Monaco, 459 

 Megascolex Fletcheri, sp. nov., Structure of, Jean Shannon, 



619 

 Melbourne Zoological Park, The Mammals in the. Dr. 



W. H. D. Le Souef, 297 

 Melinda cognata, Meig. , The Larval Structure and Life- 

 history of. Dr. D. Keilin, 399 

 Mendelism : Prof. R. C. Punnett, Fifth Edition, Prof. 



L. Doncaster, 655 ; The Progress of. Prof. W. Bateson, 



2 '4 ,, 



Mensuration, Elementary, Constructive Plane Geometry, Ji 

 and Numerical Trigonometry, P. Goyen, 390 V 



Mercury : as an Evening Star, 674 ; Liquid, The Thermo- 

 electricity of. Demonstrated by means of the Galvano- 

 meter, C. Benedicks, 187 



Mesa Verde National Park, Colorado, Field-work on the. 

 Dr. J. W. Fewkes, 359 



Mesopotamia, British Museum Excavations in, 341 



Metabolism, Basal, in Man, A Biometric Study of, J. A. 

 Harris and F. G. Benedict, 644 



Metallic Tubes, the Fragility of, A New Method of Testing, 

 C. Fr(5mont, 347 



Metallurgical : Position, The, in this Country and the 

 Central Empires, Prof. Desch, 455 ; Specimens Pre-. 

 sented to the Royal Microscopical Society, by Sir Robert; 

 Hadfield, Report on the, F. I. G. Rawlins, 406 



Metallurgy, Modern, The Trend of. Prof. H. C. H. Car- 

 penter 243 



Metals : and Alloys, Institute of. Forthcoming .Annual 

 General Meeting of the, 671 ; The Journal of. Vol. 

 Institute of, Forthcoming Annual General Meeting of 

 xxi., Edited by G. Shaw Scott, 391 ; of the Rare 

 Earths, The, Dr. J. F. Spencer, 310; The Microscopy 

 of, 535. Sir Robert Hadfield and' T. G. Elliot, 537 



Metaphvsical Research, 5159 



Metcalf's Comet, Miss V. Hansen and Mr. Fischer-Petersen ; 

 Prof. Leuschner, 12 



Meteoric Shower, The December, 400 



Meteorite, Fall of a, in America, 361 



Meteorites, The Classification of. Dr. G. T. Prior, 649 



Meteorological : Committee, International, Meeting of the, 

 135; Report of the, 446: Features of 191Q. 47'^ :. A^"^"- 

 zine (Formerly Symons's Meteorological Magazine), C. 

 Salter and F. J. W. Whipple, Editors of the, 608; 

 Observations, Monthly Record of, of Canada, Bermuda, 

 and Newfoundland, for March, 79 ; Office Circulars, 

 Nos. 37 and 38, 11; Staff, Changes in the, 135; The 

 Position of the, 705 ; The Status of a, and its Relation 



