Afirh 



Nature, ~\ 

 'I IS, 1920J 



Index 



XXV 



College Studies, Prof. H. W. Stuart, 490 



Collierj- Boiler-plants, Performance of, D. Brownlie, 120 



Colloid and Saline in Shock and Cholera, Prof. B. Moore, 



131 . . ^ 



Colloidal : Electrolytes, Soap Solutions and their Con- 

 stitution, J. W. McBain and C. S. Salmon, 712; 

 gels, Seric Toxicity and the Physical Properties of, 

 \V. Kopaczewski and Mme. Z. Gruzewska, 651 



Colloids : Amphoteric, Prof. J. Loeb, 15 ; Recent Work 

 on. Dr. R. S. Willows, 650 



Cologne Post, The, 458 



Colonial Services, Agricultural Departments in the, Ap- 

 pointment of a Committee to consider the, 325 



Colour: and Chemical Constitution, Part ix., J. Moir, 491; 

 Change of, in Captive Birds, Sir Herbert Maxwell, 

 693; in Plumage, Change of, of Captive "Sun-birds," 

 or " Honey-suckers," H. Millar, 600; Kinematographs 

 of the Gaumont Establishment, J. Charpentier, 387; 

 -Matching by Natural and Artificial Light, L. C. 

 Martin, and others, 610; Vision, A Photo- 

 electric Theory of. Prof. J. Joly, 74; Sir Oliver Lodge, 

 •92 ; Dr. H. , S. .-Mien, 174 



Columbia University, Bequest to, by Gen. H. W. Car- 

 pentier, 167 



Comet: 1916c, Orbit of, H. Vanderlinden, 80, 119; 19196, 

 Ephemeris of, Braae and Fischer-Petersen, 138, 180 ; 

 Spectrum of. Prof. Slipher, 576; 1919^, Dr. Halm, 

 612; 1920a, Discovery of, C. Sola, 576; Notes, 43, 



Comets : Miss V. Hansen and F. Petersen ; Prof. Wolf ; 

 M. Ebell, 66, 100, 269, 321, 361, 380, 448; Metcalf 

 and Borrelly, Observations of the, L. Picart and F. 

 Courty, 128 



Common-sense Philosophy, Essays in, C. E. M. Joad, 352 



Congo, Return of Dr. K. E. Laman from the, 177 



Congress, Librarian of. Report of the, 43 



Conquest, No. i, 321 ; February, 641 



Continuation Schools, Sir Robert Blair, 522 



Copper : -antimony Alloys, Expansion of, P. Braesco, 651 ; 

 in the Tissues of Green Plants, Distribution and Migra- 

 tion of, L. Maquenne and E. Demoussy, 651 ; -refining 

 Industry, A new, in Great Britain, 666; the Richness 

 in, of Cultivated Soils, L. Maquenne and E. Demoussy, 

 407 



Coral-reefs, the "Glacial-control " Theory of the Growth of, 

 Prof. R. A. Daly, 360 



CORRESPONDENCE. 



Aluminium, New Sources of, Major J. E. Bacon, 277 



Atomic Energy, Sir Oliver J. Lodge, 435 



AxolotI, Metamorphosis of, caused by Thyroid-feeding, 

 J. S. Huxley, 435 



Biological Science in Secondary Schools, Prof. S. J. Hick- 

 son, 693 



Bird Migration, Dr. M. C. Grabham, 334 



Blood Corpuscles, Sedimentation of, Prof. A. E. Boycott, 



532 



Blue-bottle Flies, Mortality among Snails and the Appear- 

 ance of, Dr. N. Annandale, 412 



British Botanic Gardens and Stations, Dr. W. E. Freeman ; 

 The Writer of the Article, 469 



British Imperial Antarctic Expedition, A, J. L. Cope, 93 



British Iron-Ores, D. A. E. Evans ; Prof. H. Louis, 565 



British Technical Optics, The Outlook of. Prof. F. 

 Cheshire, 530 



British Well-worms, Rev. H. Friend, 5 



Colloid and Saline in Shock and Cholera, Prof. B. Moore, 



131 

 Colour, Change of, in Plumage of Captive " Sun-birds " or 



Honey-suckers, H.. Millar, 600 

 Colour in Captive Birds, Change of. Sir Herbert Maxwell, 



693 

 Colour Vision, A Photo-electric Theory of. Prof. J. Joly, 



74; Sir Oliver Lodge, 92; Dr. H. S. Allen, 174 

 Earth, The Rigidity of the. Dr. A. A. Michelson and 



H. G. Gale, 114 

 Einstein's Theory and a Map Analogue, E. Cunningham, 



437 

 Einstein Theory, The, and Spectral Displacement, 

 H. Fletche;- Moulton, Dr. A. C. D. Crommelin, 532 



Electronic Theory of Isomerism, An, W. E. Garner, 661 

 Elements, The Constitution of the, Dr. F. W. Aston, 



393 

 Enchytraaid Worm, A New British, Rev. H. Friend, 174 

 Entente Scientific Literature in Central Europe during the 



War, R. W. Lawson, 437; Prof. B. Brauner, 600 

 Euclid, Newton, and Einstein, W. G., 627 

 Explosion at Bailleul, The, S. Pickering, 5 

 Fishery Investigations and the Balance of Life, Prof. W. 



Garstang, 48 ; Prof. W. C. Mcintosh, 49 

 " Flying Gallop," The, in Art, Dr. B. Laufer, 114 

 Fraunhofer Lines, The Predicted Shift of the, J. Rice, 



Prof. A. S. Eddington, 598 

 Gravitation and Light, Sir Oliver Lodge, 334, 354, 372 ; 



Sir Joseph Larmor, 412, 530 

 Gravitation, Radio-activity and, Sir Ernest Rutherford and 



Dr. A. H. Compton, 412 

 Gravitational Deflection of High-speed Particles, L. Page, 



692 

 Holland and International Rivers, Dr. P. Geyl ; Prof. 



L. W. Lyde, 333 

 House-fly, The Hibernation of the. Sir Herbert Maxwell, 



435 

 International Councils, National Representation upon. Dr. 



Norman R. Campbell, 72 

 International Relations in Science, Prof. D'Arcy W. 



Thompson, 154; Sir E. Ray Lankester, 172 

 Intravenous Injections of Gum Solutions in Cholera, Sir 



Leonard Rogers ; Prof. W. M. Bayliss, 73 

 Isotopes, The Separation of. Dr. A. Fleck, 565 

 Isotopes, The Spectra of, Dr. T. R. Merton, 93 

 Katmai Volcanic Gases and Encrustations, The Nature of 



the, J. W. Shipley, 595 

 King Penguin, The Breeding of the, T. H. Gillespie, 314 

 Light, Gravitation and. Sir Joseph Larmor, 412, 530 

 Light, Polarisation of, scattered by Helium Atoms, Lord 



Rayleigh, 412 

 Light Rays passing near the Sun, The Displacement of, 



Prof. A. Anderson, 354 

 Light, Scattering of, by Resonating Molecules, Lord 



Rayleigh, 276 

 Light, The Deflection of, during a Solar Eclipse, Prof. 



A. S. Eddington ; Dr. A. C. D. Crommelin, 372 ; W. H. 



Dines ; L. F. Richardson, 303 ; Prof. .\. Anderson, 394, 



436, 563 ; Capt. C. J. P. Cave, 413 ; Sir Arthur Schuster, 



468 

 Limpet, Common, Sex-phenomena in the. Dr. J. H. Orton, 



373 

 Lion, Fossil, Remains of a, in Ipswich, Nina F. Layard, 



413 

 Magnetic Storm of August 11-12, 1919, The, A. Graham 



Bell, 74; J. Evershed, 436; Dr. C. Chree, 468 

 Man, The Antiquity of, J. Reid Moir ; Dr. A. Smith Wood- 

 ward, 335 

 Mirage Effects, Cicely M. Botley, 56.- ; S. Pickering ; L. N. 



Norris-Rogers ; H. Hillman, 630 ; R. Ross ; A. Tarn, 662 

 Musical Drums with Harmonic Overtones, Prof. C. V. 



Raman and Sivakali Kumar, 500 

 National Union of Scientific Workers and Research, The, 



Dr. H. Jeffreys, 23 

 Natural History Museum, Progress of the, Dr. S. F. 



Harmer, 353 

 Neon, Dr. F. W. Aston, 334 

 October, 1919, Exceptional Drvness of, W. D. Christmas, 



278 

 Optics, British Technical, The Outlook of, Prof^ F. 



Cheshire, 530 

 Organisation of Scientific Work, Dr. A. B. Rendle, 691 ; 



Prof. F. -Soddy, 691 

 Percussion Figures in Isotropic Solids, Prof. C. V. Raman, 



113; J. W. French, 312; W. J. L. .\bbott. 600 

 Pleochroic Haloes, Reversed, Prof. J. Joly and J. H. J. 



Poole, 92 

 Plumage Bill, Promotion of a, H. J. Massingham, 413 ; 



Prof. J. E. Duerden, 499; Proposals for a, L. Gardiner; 



W. Dewar, 564 

 Popular Science, Victorian, 630 

 Prague, A Tribute from. Prof. B. Brauner, 374 

 Prismatic Binocular, Use of a, for viewing near Objects, 



Capt. D. Wilson Barker, 532 



