XVIU 



Index 



[Nature, 

 September 29, 1921 



Mawson (Sir Douglas), G)eographical Problems of To-day 

 and the Status of Geography in Science, 441 



Maxted (Dr. E. B.), Ammonia and the Nitrides : with 

 Special Reference to their Synthesis, 549 



Maxwell (Sir Herbert), Herons and Fish, 490 



Maxwell (Prof. J. Clerk), Matter and Motion. Reprinted 

 with Notes ^and Appendices by Sir Joseph Larmor, 98 



May (H. G.), Notes on Nematodirus, 343 



May (Dr. P.), The Chemistry of Synthetic Drugs. Third 

 edition, 423 



Mayer (Prof. P.), Zoomikrotechnik : Ein Wegweiser fiir 

 Zoologen und Anatomen, 71 



May^er (S. and A.), The Fundamental Organic Substance of 

 Amylopectin, 383 



Mayo-Robson (Sir .Arthur), conferment upon, of the Cross 

 of ChevaTier of the Legion of Honour, 821 



McBain (Prof J. W.), A Novel Magneto-optical Effect, 683 ; 

 Colloids and Colloidal Electrolytes, 46; The Nature of 

 the Emulsoid Colloid State, 73 



McClelland (Prof. J. A.), and J. J. McHenry, Uncharged 

 Nuclei Produced in Moist Air by Ultra-violet 'Light and 

 Other Sources, 477 



McClymont (J. R.), Essays on Early Ornithology and 

 Kindred Subjects,, 167 



McCulloch (L.), Basal Glume-rot of Wheat, 155 



McDonald (Agnes), and Dr. A. E. Trueman, The Evolu- 

 tion of Certain Liassic Gastropods, with Special Refer- 

 ence to their Use in Stratigraphy, 445 



McDougal (Dr. D. T.), elected General Secretary of the 

 American Association, 56 



McDowall (R. J. S.), appointed Lecturer in Experimental 

 Physiology and Experimental Pharmacology in Leeds 

 University, 123 



McDowall (S. A.), Beauty and the Beast : An Essay in 

 Evolutionary ^Esthetic, 35 



McGlashan (H. D.), and F. C. Ebert, Southern California 

 Floods of January, 1916, 406 



McHardy (Commdr. J. G.), The Physical Continuity of 

 " Space," 360 



Mcintosh (Prof. W. C), re-elected President of the Ray 

 Society, 115 



McKeown (A.), The Potential of the Iodine Electrode and 

 the Activity of the Iodide Ion at 25° C, 702 



Mead (C. W.)^ The Diminutive Shrunken Heads made by 

 the Jivaro Indians, 823 



Mees (Dr. C. E. K.), The Structure and Properties of Photo- 

 graphic Films, 502 



Megaw (Lt.-Col. J. W. D.), Plea for Support of the School 

 of Tropical Medicine and Hygiene of Calcutta and 

 Bombay, 156 



Meinzer (O. E.), Geolc^y and Water Resources of Big 

 Smoky, Clayton, and Alkali Spring Valleys, Nevada, 

 406 



Meldola (the late Prof. R.), Institution of a Medal in 

 Memory of, 691 



Mellanby (Prof.), Vitamins, 568 



Mellanby (Prof. A. L.), and W. Kerr, Pressure-flow Ex- 

 periments on Steam Nozzles, 54 



Menard (M.), and Pestel, Concerning the Danger of Radio- 

 logical Installations, 447 



Mendenhall (Prof. C. E.), Aeronautical Instruments, 152 



Mendes-Correa (A. A.), Some Sexual Differences in the 



Skeleton of the Superior Limbs, 254 

 Menzies (Prof. J. A.), [death], 659 

 Menzies (Prof. A. W. C.), Molecular Structure and Energy, 



331 



Mercanton (P. L.), The Application of Stereoscopic Vision 

 to the Control of Glacial Variations, 159 



Merrill (G. P.), American State Geological and Natural 

 History Surveys, 533 



Merton (G.), The Comet Pons-Winnecke, 601 



Merton (Prof. T. R.), Spectrophotometry in the Visible and 

 Ultra-violet Spectrum, 125 



Messel (the late Dr. R.), Impending Institution of a Lec- 

 ture in Memory of, 755 



Metcalf (M. M.), An Important Method of Studying 

 Problems of Relationship and of Geographical Distribu- 

 tion, 223 



Metcalfe (E. P.), and B. Venkateschar, The Absorption of 

 Light by Electrically Luminiscent Mercury Vapour, 286 



Metropolitan-Vickers Electrical Co., Ltd., The Breakdown 

 of a Turbo-alternator, 87 



Metz (C. W.), The Sterility of Mutant Hybrids in Droso- 

 phlia virilis, 223 



Meunier (J.), The Principles of Analysis by means of Reduc- 

 ing Flames, 191 



Meurthe (E. D. de la), Gift to the University of Paris, 572 



Meyer (Mrs. K)^ Scientific Life and Works of H. C. 

 Oersted, 492 



Miall (Prof. L. C), [obituary articles], 16-18 



Michaud (Dr. F.), Energ6tique g^nerale, 455 



Michell (A. G. M.), A New Type of Crankless Steam Engine,. 

 181 



Michelson (Prof. A. A.). Presented with the Albert Medal of 

 the Royal Society of Arts, 84 ; Recent Applications of 

 Interference Methods, 220 



Middlemiss (C. S.), Geology of Idar State, Bombay Presi- 

 dency, 827 



Mill (Dr. H. R.), Polar Exploration, 291 ; The Second Her- 

 bertson Memorial Lecture of the Geographical Associa- 

 tion, 214 



Millard (W. A.), Green-plant Matter as a " Decoy " for 

 Actinomyces Scabies in the Soil, 318 



Millikan (Prof. R. A.), appointed Director of the Norman 

 Bridge 'Laboratory of Physics at the California Institute 

 of Technology, 820 



Millosevich (F.), Minerals of Latian Province, 254 



Mills (E. H. F.), appointed Librarian of Birmingham Uni- 

 versity, 474 



Mills (Dr. E. J.), [death], 306 ; [obituary article], 432 



Milne (E. A.), Vectors and Tensors, 30 



Milne (R. M.), Mathematical Papers for Admission into the 

 Royal Military Academy and the Royal Military College 

 and Papers in Elementary Engineering for Naval 

 Cadetships and Royal Air Force for the Years 191 1-20. 



713 



Milner (H. B.), Oil in Western Sinai, 250 



Minikin (R. C. R.), Practical River and Canal Engineering, 

 48 



Mlrande (M.), Lathvrism ; or. The Intoxication Produced 

 by Vetch-seeds, 414 ; Seeds giving Hydrogen Sulphide 

 by Fermentation belonging to the Family of the 

 Papilionacea;, 447 ; The Extraction and the Nature of 

 the Substance producing Sulphuretted Hydrogen in the 

 Seeds of certain Papilionaceaj, 768 



Mitchell (Dr. A. Crichton), The Magnetic Storm of May 

 13-17. 302 



Mitra (P.), The Prehistoric Arts and Crafts of India, 630 



Miyake (Prof. T.), [death], 148 



Moberly (W.^ H.), appointed Professor of Philosophy in 

 Birmingham University 474 



Mockeridge (Dr. Florence A.), appointed Lecturer in Botany 

 and Head of the Biology Department of the University 

 College of Swansea, 637 



Moir (J. Reid), An Early Chellean Palaeolithic Workshop- 

 site at Cromer, 406 ; Flint Implements in the Cromer 

 Forest Bed, 458 ; Ochreous Flint Artefacts from 

 Sheringham, 684 ; The Discovery of Large Quartzite 

 Implements of Rostro-carinate and Early Palaeolithic 

 Types in Uganda, 649 ; The Excavation of Barrows 

 on Brightwell Heath, near Ipswich, 723 



Moldenhauer (Prof. W.), Die Reaktionen des freien Sticks- 

 toffs, 772 



Moles (E), T. Batuccas, and M. Pay^, The Density of the 

 Air at Madrid and its Small Variations, 640 ; and F. 

 Gonsalez, A New Revision of the Density of Oxygen 

 Gas, 831 



Molinari (Prof. E.), Translated from the third (enlarged and 

 revised) Italian edition by T. H. Pope, Treatise on 

 General and Industrial Organic Chemistry, part i., 325 



Moll (Dr. W. J. H.), A New Registering Microphotometer, 



253 



MoUiard (M.), Influence of Sodium Chloride on the Develop- 

 ment of Sterigtn,atocystis nigra, 414 



Monckton (H. W.), The Distribution of Taraxacum erythro- 

 spermum, Andrz., in the South-East of England, 253 



Montagu of Beaulieu (Lord), Presidential Address to the 

 British Science Guild, 505 ; Science and the Empire, 313 



Moore (Prof. E. H.), elected President of the American Asso- 

 ciation for 192 1, 56 



