Nature, 

 February 2, 1922 



Index 



XXV 11 



May-fly, A New Genus and Species of (order Plectoptera), 

 from Tasmania, belonging to the Family Siphluridae, 

 Dr. R. J. Till yard, 591 



Mayen, Jan : The Geology of , J. M.Wordie ; Thelnsectand 

 Arachnid Fauna of, W. S. Bristowe ; The Vegetation 

 of, J. L. Chaworth-Musters, 554 



McGill University : Conferment of the Degree of Doctor 

 of Law upon Sir William J. Pope, 71 ; Centenary 

 of, 261 



Measurement, New Units of, in France, 577 



Mechanical : Engineering Education in Bengal, 323 ; 

 Sciences Tripos, Papers set in the, 1912, etc., 143 



Mediaeval Contributions to Modern Civilisation : A Series 

 of Lectures delivered at King's College, University of 

 London. Edited by Prof. F. J. C. Hearnshaw, 34 



Medical Research Council, Sir F. W. Andrewes and Sir 

 Cuthbert Wallace appointed Members of the, 190 



Mediterranean City-state in Dalmatia, Dr. Marion New- 

 bigin, 165 



Medusas, Arctic, 385 



Melampyrum, Presence of a Glucoside Hydrolvsable bv 

 Emulsion in Two Species of, M. Eridel and Mile. M. 

 Braecke, 135 



Melanesian Land-tenure, Dr. W. IL R. Rivers, 354, 583 



Mellon Institute of Industrial Research, Pittsburgh, E. R. 

 Weidlein appointed Director of the, 419 



Menispora microspora, n. sp.. One of the Hyphomvcetae 

 with Mesoendogenous Conidia, Dr. B. Peyronel, 390 



Merchant Venturers' Technical College, Bristol, Pros- 

 pectus of the, 31 



Mercury : Motion of the Perihelion of, E. Grossmann, 164 ; 

 The Separation of, into Isotopes, Prof. W. D. Harkins 

 and R. S. MuUiken, 146 



Merlin, The Breeding Haunts and Habits of the, W. 

 Rowan, 4 78 



Mermis parasitic on Ants of the Genus Lasius, W. C. 

 Crawley and H. A. Baylis, 453 



Metallic : Coloration of Chrysalids, A. Mallock, 302 ; 

 Hon. H. Onslow, 366 ; Colouring of Beetles, A. 

 Mallock, 432 



Metallurgical Principles and Processes, Prof. C. H. Desch, 

 562 



Metals : Institute of, The Journal of the. Vol. 25, Xo. i, 

 1 92 1. Edited by G. Shaw Scott, 79 ; The Electro- 

 lytic Etching of, F. Adcock, 198 ; The Micro-examina- 

 tion of, with Special Reference to Silver, Gold, and 

 the Platinum Metals, G. Patchin, 453 ; The Physical 

 Chemistry of the. Prof. R. Schenck. Translated and 

 annotated by R. S. Dean, 562 ; The Rigidity and 

 Viscosity of. The Effect of Temperature on, K. 

 lokibe and S. Sakai, 97 ; The Toxicity of, for Yeasts 

 and Moulds, M. and Mme. G. Villedieii, 389 



Metaphysics and Materialism, Prof. H. Wildon Carr, 247, 

 400 ; Dr. Xorman R. Campbell. 399 



Meteoric Display, The August, P. Meesters, 69 



Meteorites, Chondrules and Chondritic Structure in, C. P. 

 Merrill, 263 



Meteorological : Committee, International, 194 ; Con- 

 ditions and Disease, E. J. Butler, 515; Office: Annual 

 Report of the, 479 ; Edinburgh, Ad\-isory Committee 

 for the. Meeting of the, 381 



Meteorology : Calendar Dates in, J. Mascart, 28 ; Dyna- 

 - mic. Law of the Geoidal Slope and Fallacies in. Dr. 

 C. F. Marvin, 545 ; in Medicine, ^^^th Special Refer- 

 ence to the Occurrences of Malaria in Scotland, Dr. 

 A. Macdonald, 135 



Meteors : Large, W. F. Denning, 28 ; September, W. F. 

 Denning, 131 ; November, W. F. Denning, 319 ; 

 December, W. F. Denning, 447 ; January, W. F. 

 Denning, 580 



Micro-barograph, A Simple, A. Wechsler, 469 



Micro-biology : Industrial, 187 ; A Proposed National 

 Institute of, A. Chaston Chapman, 425 



Micro-organisms and Some of Their Industrial Uses, A. 

 Chaston Chapman, 187 



Microseismic Agitation, The Periodicity of the, E. Eble, 

 555 



Microscope : Illumination and Fatigue, H. J. Denham, 

 369, 496*; J. E. Barnard, 468, 566 ; Objectives, A 



New Method of Testing, H. Hartridge, 421 ; New 

 Universal, for Mineralogical Researches, 254 



Microscopy : Critical, How to Get the Best Out of the 

 Microscope, Dr. A. C. Coles, 39 



Military Phvsical Test Station, Edinburgh, The, H. Briggs, 

 486 



Milky Way, Delineations of the. Dr. F. Goos, 319 



Mind and Consciousness, Prof. C. Lloyd Morgan, 60 



Mineral : Chemistry, Constitution in, Magnetochemical 

 Research on, P. Pascal, 357 ; Industry of India, The, 

 Prof. H. Louis, 343 ; Resources of Great Britain, 

 Special Reports on the. Vol. 17 of the, G. V. Wilson 

 and Dr. J. S. Flett, 96 ; Water : A New Type of. 

 Nitrate Waters, C. Lepierre, 389 



Minerals : constituting Prehistoric Metallic Axes, A 

 Method for the Determination of the, M. Baudouin, 

 422 ; from Leadhills, Some, W. Campbell Smith, 388 



Mines, Ancient, and Megaliths in the Hyderabad State, 

 Major L. Munn, 96 



Mining Physics and Chemistry, J. W. Whi taker, 564 



Minoan Bronze Statuette in the British Museum, A 

 Remarkable, F. N. Pryce, 95 



Moby-Dick or the Whale, H. Melville, with an Introduction 

 by Viola Meynell, 39 



Modem University : From a. Some Aims and Aspirations 

 of Science, Prof. A. Smithells, 429 



Molecular Structure, Dr. I. Langmuir, 325 



Molecules, The Constitution of, 218 ; Prof. J. R. Parting- 

 ton, 242 



MoUusca, Fossil, New Species of, W. L. May, 72 



Molluscs, Sex-manifestations and Motion in. Dr. J. H. 

 Orton, 303 ; G. C. Robson, 403 



Money Values, The Stabilisation of. Prof. W. A. Macfadyen, 



Monomolecular Reaction, The Dushman Equation for the 

 Velocity of a, W. E. Gamer, 211 



Monotropa, The Biology of the, Constantin and Dufour, 

 486 



Montpellier, Associations with, 381 



Moon : Eclipse of the, October 16-17, Photometric Study 

 of the, A. Danjon, 357 ; An Eclipse of the. The Dis- 

 tribution of Brightness in the Penumbra during, 

 F. J. W. Whipple, 497 ; Photographic and Systematic 

 Map of the, C. Le Morvan, 325 



Motion : on a Surface for any Positional Field of Force, 

 J. Lipka, 326 ; The Natural Tendency towards 

 Symmetry of, and its AppUcation as a Principle in 

 Meteorology, Dr. S. Fujiwhara, 135 



Motya : A Phoenician Colonv in Sicily. J. I. S. Whitaker, 



' 269 



Mound-builders of Dunstable, The, Prof. G. Elliot Smith 

 and Capt. G. Crowden, 512 



Mourning Rites of Mussulmans in the Pro\-ince of Asyut, 

 Eg3T)t, Miss W. S. Blackman, 95 



Mouvement Biologique en Europe, Le, G. Bohn, 563 



Museums in Germany, Organised Co-operation of, L. H. W. 

 Klingender, 289 



Music, Education in. Sir Henry Hadow, 60 



Mutue Fides-Stavoren Tinfield's, Dr. P. A. Wagner, 192 



National : Benzole Association and the University of 

 Leeds, Formation of a Joint Research Committee by 

 the, 128 ; Physical Laboratory, Prof. G. W. O. Howe 

 appointed Superintendent of the Electrical Depart- 

 ment of the, 71 ; Union of Scientific Workers : Address 

 to the. Prof. L. Bairstow, 380 ; Election of Dr. A. 

 Griffith as President, 381 



Native Problem, The, Dr. C. T. Loram, 551 



Natural History Museum Staff Association, Scientific 

 Reunion of the, 349 



Nature, Knowledge of. The Limitations of the, J. John- 

 stone, 554 



Naturforschenden Gesellschaft in Bern, Mitteilungen der, 

 aus dem Jahre 191 9, 431 



Naval Architects, Institution of : Award of Scholarships 

 to S. A. Hodges and T. A. Da\nes, 25 ; Award of 

 Post-graduate Research Scholarships to H. W. Nicholls 

 and W. R. Andrew, 166 



