xliv 



Index 



r Nature, 

 \_October 7, 1920 



Muscle, The Thermo-elastic Properties of, S. V. Hill and 

 W. Hartree, 537 



Muscular Efficiency, A. Mallock, 197 



Museums : and Art Galleries, The Lightning of, H. Seeger, 

 627 ; and the Advanced Student, Report (,n, 463 ; and 

 the State, Prof. E. W. MacBride ; Prof. J. W. Gregory, 

 68; Dr. F. A. Bather; Dr. W. E. Hoyle, 69; W. G. 

 Wagner, 70; Sir E. Ray Lankester ; Prof. J. Stanley 

 Gardiner, loi ; Dr. W. M. Tattersall, 102 ; F.R.S., 136; 

 Association, Annual Conference, 626 ; National, The 

 State and the, 29 ; The Proposed Transfer of, to the 

 Local Education Authorities, Dr. F. A. Bather and 

 Sir A. Selby-Bigge, 114 



Music, The Foundations of. Dr. H. J. Watt, 98 



Musical: Scale, The, J. Goold, 666; Sound, The Nature 

 of. 98 



Musings of an Idle Man, Sir R. H. Firth, 100 



Musk Plants, Loss of Fragrance of, Hon. Col. C. J. 

 Bond, 709 



Mussels, Fresh-water, Correlation of Shape and Station in, 

 Dr. A. E. Ortmann, 843 



Mysticism, True and False, Dr. W. F. Geikie-Cobb, 633 



Myzus ribis, Linn., Preliminary Note on Antennal Varia- 

 tion in, Miss Maud D. Haviland, 378 



Nascent State, A New View of the, C. Zenghelis, 339 



National : Education, 213; Food Consumption in the United 

 States, Prof. R. Pearl, 597; Food Supply, The, 371; 

 Illumination Committee of Great Britain, Major K. 

 Edgcumbe elected Chairman of the, 557 ; Institute of 

 Agricultural Botany, W. H. Parker appointed Director 

 of the, 335 ; Museum of Wales, Dr. R. E. M. Wheeler 

 appointed Keeper of the Department of Archaeology, 

 and Lecturer in Archeology in the University College 

 of South Wales and Monmouthshire, 569 ; Physical 

 Laboratory, Annual Visitation of the, 595 ; Report for 

 1919 of the, 725 ; Physique, A Survey of, 202 ; Research 

 Council, Relation of Psychology to the, Dr. J. R. 

 Angell, 796 ; Prof. V. Kellogg, 332 ; Union of Scientific 

 Workers, Progress of the, 53 



Native Tribes of Western Australia, The, 248 



Natural : History, Misinformation and Misconception con- 

 cerning. Dr. R. C. Smith, 146; Museum Pamphlets 

 (Economic Series), New Editions of, 787 ; Presentation 

 to, by Sir Henry Howorth of a Collection of Mam- 

 malian, and other Remains, 209 ; Staff Association, 

 Scientific Reunion of the, 52 ; History, Popular, 651 ; 

 Studies in Canada, 426; Knowledge, An Inquiry con- 

 cerning the Principles of. Prof. A. N. Whitehead, 446; 

 Wealth of Britain, The, Its Origin and Exploitation, 

 S. J. Duly, 579 



Naturalist, The Book of a, W. H. Hudson, 651 



Nature : Hour, Stories for the. Compiled by Ada M. and 

 Eleanor L. Skinner, 804 ; Pictures, Twenty-four, E. J. 

 Detmold, 352 ; -study of Plants, The, in Theory and 

 Practice for the Hobby-botanist, T. A. Dymes, 804 



Nattire, The Jubilee of. Congratulations upon, from the 

 Nova Scotian Institute of Science, 113 



Nautical Almanac for 1922, The, 22 



Naval : Education, 445 ; Engineering, Progress in, Vice- 

 Admiral Sir George Goodwin, 235 ; Research and Ex- 

 periment, 245 



Navy Estimates, A Vote for Scientific Services under the, 

 366 



Nebulas : Faint, E. P. Hubble, 84 ; Recent Researches on, 

 H. D. Curtis, and others; Major W. J. S. Lockyer, 489 



Nela Research 'Laboratory, The, 834 



Neolithic " Floor " in the Neighbourhood of Ipswich, An 

 Early, J. Reid Moir, 527 



Neon and Helium, Moving Striations in, Dr. F. W. Aston 

 and T. Kikuchi, 633 



Neptune, Conjunction of Jupiter with, 213 



Nestling Feathers of Birds, The, Prof. J.^ C. Ewart, 250 



Netherlands, Climate of the, 600 



Neuropteroid Insects of the Hot Springs Region, New 

 Zealand, The. in relation to the Problem of Trout- 

 food, Dr. R. J. Tillyard, 667 



New Caledonia, The Botany of, R. H. Compton, 122 



New Zealand : Institute, The, 24 ; Fellowship of the, 88 ; 

 Plants and their Story, Dr. L. Cockayne. Second 

 edition, 707; Soils and Manures in, L. J. Wild, 130; 

 The Limestone Resources of, P. G. Morgan, 465 



Newcastle-upon-Tyne, Electric Supply Co., Development of 

 the Generating Stations of the, J. S. Watson, 369 



Newtonian Fields in the Neighbourhood of a given Vec- 

 torial Field, O. Onicescu, 843 



Nickel : Iron Alloys : The Anomaly of the, its Causes and 

 its Applications, Dr. C. E. Guillaume, 438; -Steels, 

 Expansion of the, Action of Metallurgical Additions on 

 the Anomaly of, Ch. Ed. Guillaume, 571 ; Standard, 

 Values of the Expansions of, Ch. Ed. Guillaume, 634 ; 

 The Thermal Change of the Elastic Properties of, 

 P. C. Chevenard, 603 ; Wire, The Change in the 

 Rigidity of, with Magnetic Fields, Prof. W. Brown and 

 P. O'Callaghan, 634 



Night : Raid into Space, A, The Story of the Heavens told 

 in Simple W'ords, Col. J. S. F. Mackenzie, 100; Sky 

 Recorder, A, Royal Observatory, Greenwich, 281 



Nile: Basin, Physiography of the, Dr. P. Chalmers Mitchell, 

 113; Gauges, Report upon the, for 1913-1918, H. E. 

 Hurst, 27s ; Proposals for the Development of the 

 Cultivable Area of the Valley of the. Opposition to the, 



837 

 Nitriles : by Catalysis, A New Method of Formation of, 



A. Mailhe, 283 ; The Catalytic Hydrogenation of, 



G. Mignonac, 699 

 Nitrodichloroacetanilide, Crystalline Forms of, M. De 



Angelis, 844 

 Nitrogen : of the Cyanic Group in Manures, R. Perotti, 844 ; 



Products Committee, Final Report, 201 ; Problem, The : 



By-products, 201 

 Nitro-phenols, Ultra-violet Spectrophotometry of the, 



F. Vlfes, 475 

 Nitrospphenylhydroxylamine (Cupfej-ron), The Salts of, 



V. Auger,' 379 

 Nitrotoluidine, Some Derivatives of, A. G. G. Leonard and 



Agnes Browne, 634 

 Noctiluca : Prof. C. A. Kofoid, 433 ; Pleurobrachia and 



Beroe, A Swarm of, in the Barrow Channel, A. Scott, 



656 

 Noon Reflector, A, Prof. C. V. Boys, 117 

 Norfolk and Norwich Naturalists' Society, Transactions of 



the, vol. X., part 5, 115 

 North : America, Geodetic Survey in, 141 ; Atlantic Ocean, 



Meteorological Office Chart of the, February, 181 ; 



Stray Mines in the. Prince Albert de Monaco, 282 ; 



-East Ireland. An Analysis of the Palaeozoic Floor of, 



with Predictions as to Concealed Coalfields, W. B. 



Wright, 368 ; Wales, A Handbook to the Vertebrate 



Fauna of, H. E. Forrest, 386 

 Northern : Fur-seal, Present Position of the. Dr. Evermann, 



623 ; Polytechnic Institute, Re-establishment of the 



School of Rubber Technology at the, under the 



Directorship of Dr. P. Shidrowitz, 731 

 Nototherium : Skeleton Found in Tasmania of the, 559 ; 



H. H. Scott and C. Lord, 593 

 Nottingham, University College, Gift by Sir Jesse Boot, 665 

 Nova : Aquilae, The Expanding Disc of. Dr. J. Lunt, 595 ; 



in Cygnus, Discovery of a, W. F. Denning, 838 ; in 



a. Spiral Nebula, Prof. Wolf, 213 

 Nuclear Constitution of Atoms, Sir Ernest Rutherford, 



500 

 Nucleus, The Structure of the, 482 

 Nuditv in India in Custom, and Ritual, Dr. W. Crooke, 723 



Oblis:ation, Autonomy, and the Common Good, C. C. J. 

 Webb, 249 



Occultism, The Prevalence of, E. Clodd, 432 



Oceanographv and the Sea-fisheries, Prof. W. A. Herdnian, 

 813 



Officers : Seconding of, for Study at Universities, Prof. J. 

 Wertheimer, 41 ; Training Corps, The, and the Uni- 

 versities, 349 



Oil : and Colour Chemists' Association, Dr. R. S. Morrell 

 elected President of the, ^527 ; -engine Cycles, Claim as 

 a Pioneer Inventor of, H. Akroyd Stuart, 499 



