NatuT*. 1 

 AprU 14, I9a'J 



Index 



XXXIX 



to ; The Quebec Legislature and, 392 ; The Centennial 

 Endowment Campaign of, 424 ; Gifts to the, 455 

 Measurement of Low Magnetic Susceptibility by an In- 

 strument of New Type, The. Prof. E. Wilson, 553 

 Measuring : Apparatus, A New Class of, L. Barbillion and 

 M. Dugit, 00: Capacities, A Sensitive Valve Method 

 for, J. J. Dowling. 681 

 Mechanics, Higher Prof. H. Lamb, 655 

 Mechanism, Vitalism versus, 494 



Medical : Electricity : A Practical Handbook for Students 

 and Practitioners, Dr. H. L. Jones. Eighth edition, 

 revised and edited by Dr. L. W. Bathurst, 531; Juris- 

 prudence and Toxicology for the Use of Students and 

 Practitioners. A Handbook of. Dr. W. A. Brend. 

 Third edition, 73 

 Medicine: Further Education in, in London, appointment 

 of a Committee on, 737 : Science in. Birth and 

 Growth of. Sir Frederick Andrewcs, 611 

 Mediterranean Fever, The Preventive Vaccination of Man 



against, C. Nicolle and E. Conseil. -soj 

 Medullary Rays in Wood. The So-called. H. Stone, 770 

 Melanism, A Rare Example of, F. W. FitzSimons, 830 

 Mental Efficiency, H. T. Parker, 200 



Merchant : Tonnage Statistics of. 322 ; Venturers' Tech- 

 nical College, Bristol, Calendar, 134 

 Mercury, Isotopes of. The Separation of the. Prof. J. N. 



Brdnsted and Dr. G. Hevesey, 144 

 Mercury's Perihelion, Relativity and the Motion of. Dr. 



A. C. D. Crommelin, 787 

 Merlu," " Le, Dr. Ed. le Danois, 4^0 

 Mesopotamia: Irrigation in, 670; Prehistoric Dwellers in, 



R. Campbell Thompson, s'7 

 Mesozoic and Ccnozoic Plants of North America, Catalogfuc 



of, F. H. Knowlton, 89 

 Metal Sheets, the Testing of Thin, by Stamping, C. 



Tr^mont, 778 

 Metallic Solutions, The Electrical Resistivity of Dilute, 



A. L, Norbury, 617 

 Metallurgy for Dental Surgeons, 594 



.Metals : Crystal Growth and Recrystallisation in. Prof. 

 H. C. H. Carpenter, and Miss C. F. Elam, 312 ; In- 

 stitute of, The Journal of the. vol. xxiii.. No i, 1920. 

 Edited by G. Shaw Scott. 308 ; The Hardening of, under 

 Mechanical Treatment, J. Innes, 441 ; Etc., The Micro- 

 scopic Examination of the Structure of, F. E. Wright, 

 222 ; The Passivity of, W. Hughes, 692 

 Meteor, A Brilliant, of October 19, 292 

 Meteorological : and Geodynamic Institute, The Central, 

 Vienna, Profs. F. M. Exncr and J. Hann, 629, 638 ; 

 Charts, Monthly, September issue. 58 ; Committee, 

 Annual Report of the. 260 ; Constants, 142 ; Elements 

 and the Number of Deaths through Inflammatory 

 Diseases of the Respiratory Organs in Paris, Relations 

 between the, L. Bcsson, 330; Insruments, Negretti and 

 Zambra's Catalogue of, 122; Self-Recording, Pastorelli 

 .ind Rapkin's Catalogue of, 481 ; Magazine, November, 

 513; Ofticc Observatories, Daily Values of Elements at 

 the, 29 

 Meteorology : Australian, A Text-book, including Sections 

 on Aviation and Climatology, Dr. Griffith Taylor, 402 ; 

 of the Antarctic. The, 526 ; Dr. G. C. Simpson, 599 

 Meteors : of the Season, 360 ; The December, 482 : The 



January, W. F. Denning, 578 

 •i-Methylisation, Mile. J. Bonnefoy and J. Martinet, 818 

 Metric Sy.<item, The, and International Trade, H. Allcock 



169 

 Mexicans, History of the Ancient, P. Radin, 188 

 Michelson-Morley Experiment, The : Geometrisation of 

 Physics, and its Supposed Basis on the, .Sir Oliver 

 Lodge, 795 ; and the Dimensions of Moving Bodies, 

 Prof. H. A. Lorentz, 793 

 Microdon (Diolera) from Natal, A Species of, S. H. Skatfe, 



4»7 

 Micro-organisms, The Hereditary Transmission of Acquired 



Characters in, C. Richct and H. Cardot, 682 

 Microphone, A Selective Hot-wire, Dr. W. S. Tucker and 



K. T. Paris, 714 

 Microscope, The Romance of the, C. A. Eatand, 627 

 y4ieroscopical Science, Quarterly Journal of. Change of 

 Hdiloi'ship and Publishers of (he, 840 



Microscopy : The Construction, Theory, and Use of the 

 Microscope, E. J. Spitta. Third edition, 77; with 

 Ultra-violet Light, J. E. Barnard, 378 

 Microsoisms. J. J. Shaw, 348 

 Migration, The Physiology of. Prof. A. Meek, 486 

 Migrations of Cultures in British New Guinea, Dr. A. C. 



Haddon, 483 



Military Psychiatry in Peace and War, Dr. C. S. Read, aio 



Milk : in Aphthous Fever, Virulence of the, C. Lebailly, 35 ; 



Testing : A. Simple Practical Handbook for Dairy 



Farmers, Estate Agents, Creamery Managers, Milk 



Distributors, and Consumers, C. W. Walker-Tisdale. 



Second edition, 436 



Mind : The History of a, 303 : The Power of Concentration 



of, A. Linecar, $79 

 Mineral : Resources Bureau, Imperial, The Mineral Indus- 

 try of the British Empire and Foreign Countries. War 

 Period. Arsenic ; Felspar : Chrome Ore and Chromium ; 

 Fuller's Earth; Magnesite, 528; Resources of the 

 United States, 679 

 Mineralogical Society, Election of Officers and Council of 



the, 383 

 Mineralogie, Lehrbuch der. Prof. P. Niggli, 754 

 Minerals : hitherto unknown in Derbyshire, C. S. Garnett, 

 148 ; with four Variable Components forming two 

 Isomorphous Pairs, A Graphic Method for the Com- 

 parison of, Dr. E. S. Simpson, 425 

 Mining: Electrical Engineer, No. i, 353: Industry, Con- 

 duct of the, R. F. Adgie, 96 

 Minnesota, The Structural and Ornamental Stones of, 



O. Bowles, 673 

 Mirage, The, Dr W. H. Steavenson, 425 

 Misty Islands, Life in the, 624 

 Mites collected near Dublin and in Galway Bay, J. H. 



Halbert, 222 

 Mole, The Influence of the Subterranean Work of the, 

 on the Flora of the Pasturages of Cantal, A. J. Urbain 

 and P. Marty, 266 

 Molluscs in the French Coast Dunes, Biology of the, and 

 its Relations with Botanical Geography, G. Astre, 330 

 Molybdic Acid, the Derivatives of. The Systematic Nomen- 

 clature and Constitution of, L. Forsin, 818 

 " Momiai," Lt.-Col. H. H. Godwin-Austen, 241 

 Monazite in the Millstone Grit of Yorkshire, Dr. A. Gilli- 



gan, 189 

 Monocotyledons, The Leaf-tips of Certain, Dr. Agnes Arber, 



849 

 Monosaccharide und Aldehydsauren, Anleitung zum Nach- 

 weis zur Trennung und Bestimmung der reinsn und 

 aus Glukosiden usw. erhaltcnen. Dr. A. W. van der 

 Haar, 433 

 Monosaccharides, Identification of, 433 

 Mont Blanc, The Reported Fall of Rock from the Summit 



of, 542 

 Mont Jovet (Tarentaise), The Overlapping Fragment at, 



P. Termier and W. Kilian, 586 

 Months, Memories of the, Rt. Hon. Sir Herbert Maxwell, 



Bart., Sixth series, 171 

 Monticellite from a Mixer Slag, A. F. Hallimond, 425 

 Moon, Tables of the Motion of the. Prof. E. W. Brown, 

 with the assistance of H. B. Hedrick. Sections i. to 

 vi., 203 

 Morocco, The Belief in Spirit* in. Prof. E. Westermarck, 



703 

 Moses : The Founder of Preventive Medicine, Caps. P. 



Wood, 109 

 Mosquitoes, British. A Handbook of, Dr. W. D. Lang, 7 

 MotherhcKxl : Radiant, a Book for Those who are Creating 



the Future. Dr. Marie C. Stopes, 399 

 Mother-right in Ancient Italy, H. J. Rom, 27 

 Moths, Melanism in, J. W. H. Harrison, 88 

 Motives, The Problem of. Dr. W. McDougall, 37 

 Motva, Recent Archaeological Research at, J. S. S. 



Whitaker, 671 

 Mount Everest, Forthcoming Expedition to : Leaders of 



the, 701 ; Progress of Preparationa for the, 838 

 Moving Bodies, the Dimensions of. The Michelson-Morlejr 

 Experiment and, Prof. H. A. Lorenli, 793 



