Nat 

 Septenibe 



lure, ~\ 



r 29, 1921J 



Index 



xl 



111 



Aiesopocamian tiouse-flies and their Allies, Major W. S. 

 hatton, 117 



Mesozoic Rocks of Applecross, Raasay, and North-east 

 Skye, The, Dr. G. W. Lee, 151 



Messel Memorial Lecture, Proposed Institution of a, 755 



Messier 15, Photograj^ic Catalogue of the (jlobular Cluster) 

 Rev. H. E. MacklLn, 311 



Metabolism and Growth from Birth to Puberty, F. G. 

 Benedict and F. B. Talbot, 647 



Metal Implements, Ancient, 230 



Metallic : Alcoholates and Phenates, Decomposition of, by 

 Heat, J. F. Durand, 607.; Zinc, the Production of. 

 Sir R. A. S. Redmayne ; The Writer of the Note, 361 



Metalliferous Mining Industry, Appointment of an Advisory 

 Committee for the, 435 



Metallurgical Developments in this Country since 19 14, 

 F. \V. Harbord, 344 



Metallurgy, Handbook of. Prof. C. Schnabel. Translated 

 by Prof. H. Louis. Third edition, revised by the 

 Translator. Vol. i., 677 



Metals : in Saline Solutions, The Displacement of, M. Barlot, 

 62 ; Institute of. Journal of the. Vol. xxiv.. No. 2, 327 ; 

 Modified Methods for the Separation of the, of the 

 Second Group, G. G. Longinescu, G. P. Teodorescu, 

 and G. Chaborski, 152 ; The Casting of. Prof. T. 

 Turner, 344; The Internal Physics of, 218; Sir George 

 Beilby ; The Writer of the Article, 265 



Metamorphic Insects, The History of. Dr. R. J. Tillyard, 

 249 



Metaphysics, Contemporary, Studies in, Prof. R. F. A. 

 Hoernl^, 228 



Metaxylene, The Solubility of the Isomeric Nitroanilines in, 

 M. Chapas, 127 



Meteoric : Radiants of June 25-30, The, W. F. Denning, 

 535 ; Display. The August, W. F. Denning, 793 ; The 

 Recent, W. F. Denning, 825 



Meteorites : Adare and Ensisheim, Chemical Composition of 

 the. Dr. G. T. Prior, 189 ; Igneous Rocks, Movement 

 in, V. Galippe and Mme. G. Souffland, 661 ; in Perth- 

 shire, Falls of, 631 ; Italian, Prof. W. M. Flinders 

 Petrie, 301 



Meteorological : Conference, the Fourth International, Pro- 

 ceedings of, 86 ; Physics, Sir Napier Shaw, 66 



Meteorolc^y : Averages in. The Method of Working Out, 

 J. Mascart, 734; of the Philippines, 732; The Influence 

 of, on Naval Warfare, Lieut. G. C. Steele, 286 ; The 

 Role of, in Malaria, Brevet Lt.-Col. C. A. Gill, 791 



Meteors: Large, on March i and 2, W. F. Denning, 55; 

 On the Moon, J. W. Gordon, 234 ; Dr. A. C. D. Crom- 

 melin, 235 ; Recent, W. F. Denning, 634 ; The August, 

 W. F. Denning, 694 



Metric System : Progress of the, 22, 630 ; The, and World 

 Trade, 417 ; The Compulsory Adoption of the, by the 

 Japanese Empire, C. E. Guillaume, 253 



Mexico, Trees and Shrubs of, P. C. Standley, 603 



Microbe Infections in the Invertebrates, a Natural Mode 

 of Defence Against, E. Couvreur andX. Chahovitch, 

 191 



Microijraphical Study of .Alloys and the Structure of the 

 Tungsten Steels, The Use of very Slow Cooling for the, 

 A. Portevin, 350 



Microphotometer, a New Registering, Dr. W. J. H. Moll, 



253 



Microscope. Measuring with High Powers of the, Dr. G. P. 

 Bidder, 650 



Microscopes and Microscopical .Apparatus, R. and J. Beck's 

 Catalogue of, 309 



Milk Customs of Bunyoro, The, Rev. J. Roscoe, 602 



Mind and Brain, 644 



Mineral : Deposit near Rome, New, E. Clerici, 127 ; De- 

 posits between Lillooet and Prince George, British 

 Columbia, L. Reinecke, 794 : Industries, the Import- 

 ance of Research in the Development of the. Sir 

 Richard Redmayne, i;o6, 568 : Resources of Great 

 Britain, Special Report on the. Vol. xiv., tji : Special 

 Reoorts on the. Rock-salt and Brine, Dr. R. L. Sher- 

 lock, 693 



Mineralogv : .An Introduction to the Study of Minerals and 

 Crystals, Prof. E. H. Kraus and Dr. W. F. Hunt. 

 646 : Economic, a Practical Guide to the Study of 



Useful .Minerals, T. Crook, b4b ; for .Students, 

 Dr. J. W. Evans, 646 



-Minerals and Rocks, Recent Work on, 794 



Mines : Department, Dr. t . H. Hatch appointed Technical 

 Adviser on Metalliferous Mining, 114; The Vvar of the, 

 Dr. A. Shadwell, 763 



Mirage on the Queensterry Road, The Condition for, A. G. 

 kamage, 639 



Mist, Dry, P. Scherischewsky, 222 



Molecular : .Attractions in Solutions, Molecular Size and 

 Range of, Prof. J. B. Leathes, 138 ; Structure and 

 Energy, Prof. J. R. Partington, 172 ; Prof. A. O. 

 Rankine, 203 ; Prof. .A. W. C. Menzies, 331 ; Weights, 

 the Determination of. The Principles ot some New 

 New Method* .Applicable to, C. Matignon, 382 



Molecule, The Structure of the, and Chemical Combinations, 

 Sir J. J. Thomson, 118 



Molecules, .Atoms and. The Dimensions of, Prof. W. L. 

 Bragg and H. Bell, 107 



Mollusca, Haemoglobin in. Prof. .A. E. Boycott, 395 ; Land 

 and Fresh-water, Distribution of, in the British Isles, 

 W. D. Roebuck, 724 



MoUuscan Fauna of Scottish Lakes, and a Pisidium New 

 to the British Isles, B. B. Woodward, 715 



Mollusques, Les Variations et leur H6r^dit6 chez les. 

 Eh-. P. Pelseneer; B. B. Woodward, 7 



Mongolian Imbecility, Dr. F. G. Crookshank, 218 



Monoplanes in Canada, G. Sheppard, 370 



Monsoon : Rainfall in 192 1, the Probable Amount of. Dr. 

 G. T. Walker, 724 ; South-west, The Origin of the. 

 Dr. G. C. Simpson, 154 



Moon, Meteors on the, J. W. Gordon, 234; Dr. A. C. D. 

 Crommelin, 235 



Moon's Surface, Study of the, W. Goodacre, 825 



Moseley Studentship at Manchester University, H. Robin- 

 son appointed to the, 530 



Motor-car Headlights : Ideal Requirements and Practical 

 Solutions, Major .A. Garrard, 118 



Mount Everest Expedition : gift to, by the King, 115 ; The, 

 434; Progress of the, 661, 722 . 



Mountains, The Weight of, Dr. A. Heim, 469 



Mousterian Age, A " New " Type of Tool of. Prof. C. G. 

 Seligman, 330 



Moving Belt, A, for the Study of Walking and of Work, 

 J. P. Langlois, 575 



Mueller Medal, The, presented to R. T. Baker, 691 



Muscle : and Nerve, The Energy involved in the Electric 

 Changje in, Prof. A. V. Hill, 317; Bone, and Body- 

 weight in Sheep, the Development of ; The Alleged 

 Inheritance of an Acquired Character in Man ; The So- 

 called Gluteus Maximus of Tarsius, .A. B. .Appleton, 

 509-510 



Museum Curators, French and British, Suggested Co-opera- 

 tion between. Dr. Hecht, 460 



Museums : The Employment of Guide-lecturers and the 

 Sale of Pictorial Illustrations in, 52 ; Association, The 

 Paris Conference of the, 688 ; T. Sheppard elected 

 President of the, 722 ; Presidential Address to the. Sir 

 Frederic Kenyon, 822 ; The Design of. Sir Hercules 

 Read, 436 



Mutations and Evolution, Prof. R. R. Gates, 636, 715; The 

 Writer of the Article, 715 



Myricaceae of the Eastern United States, The, Dr. H. W. 

 Youngken, 765 



Napoleon, The Centenary of. Eng.-Comdr. E. C. Smith, 302 



National : .Association of Industrial Chemists, Report of 

 the, for 1920, 215; Physical Laboratory, Annual Visita- 

 tion of the, 592 ; Report of the, for 1920, 694 ; Re- 

 searches at the. Dr. N. R. Campbell and C. C. Patter- 

 son, 87 : Progress, Research and, 07 : Union of Scientific 

 Workers. Resolutions of the Council of the, 214 



Native Life in the Loyalty Islands and Southern Nigeria, 

 H. Balfour, 491; 



Natural History Museum, South Kensington, C. Tate 

 Regan appointed Keeper of Zoology ; Dr. G. F. H. 

 Smith apt)ointed Assistant Secretary, 51 



Nature in a Himalayan Valley, Lt.-Col. J.'H. Tull Walsh. 

 210 



