Nature, 1 

 Octoitrg, tgiQj 



Index 



xxvii 



American Astronomical Society, The, Dr. J. Stebbins, 325 

 " Atom," The, A. A., 104 



Bee-Eaters, Nestling, Feeding Habits of, E. R. Waite, 4 

 Brent Valley Bird Sanctuary, The, W. M. Webb, 426 

 Calendar Reform and the Date df Easter, A. Philip, 264 

 Camouflage, Military, Major A. Klein and D. J. C. 



Mottram, 364 

 " Camouflage " of Ships in War, Prof. J. Graham Kerr, 



204; Lt.-Commr. N. Wilkinson, 304 

 Canadian Government and the Proposed Hunting of Caribou 



with Aeroplanes, The, Dr. C. Gordon Hewitt, 244 

 Chalk, Curious Markings on. Dr. .C. W. Andrews, 25 ; J, 



Reid Moir, 45 

 Chemistry, The Profession af. Dr. M. O. Forster, 24 

 Coal in Thrace, Canon E. M'Clure, Prof. H. Louis, 45 ; 



Canon E. M'Clure, 85 

 Crocodile on Rotuma, A, Prof. J. Stanley Gardiner, 264 

 Cuckoo, Behaviour of a, H. Eliot Howard, 426 

 Daylight Moon, The Whiteness of the, C. T. Whitmell, 



145 

 Doppler Effect in the Molecular Scattering of Radiation, 



The, Prof. C. V. Raman, Sir J. Larmor, 165 

 Electric Currents, Velocity o*. Prof. R. A. Fessenden, 505 

 Electro-Atomic Phenomena in the Magnetic Field, Prof. A. 



Righi, Dr. N. R. Campbell, 384 

 " Fascination " of Birds, The Supposed, Sir H. Maxwell, 4 

 Finger-Print System in the Far East, The, Cav. Filippo 



de Filippi, 125 

 Fisheries, National, Capt. G. C. L. Howell, 84; the 



Writer of the Note, 85 

 Girvanella and the Foraminifera, F. Chapman, 4 

 Globular Clusters, Cepheid Variables, and Radiation, Dr. 



H. Shapley, 25; Prof. F. Soddy, 43; J. H. Jeans, 



Dr. J. W. Evans, 64 

 Globular Lightning, Prof. J. A. McClelland, G. Gilmore, 



284 

 Glossina and the Extinction of Tertiary Mammals, Prof. 



T. D. A. Cockerell, 265 

 Government Grants for Scientific Research. The Condi- 

 tions Attached to, Prof. F. Soddy, 226 

 Government, The Machinery of, A. J. Brander, 104 

 lonisation and Radiation, Dr. R. A. Houstoun, 145 

 Intravenous Injections in Cholera, Prof. W. M. Bayliss, 



264 

 Iridescent Insects, The Colour of the Scales of, in Trans- 

 mitted Light, Hon. H. Onslow, 84 

 Labour and Scientific Research, P. G. Agnew, 425 

 Long-continued Experiments, The Credibility of. Dr. E. J. 



Russell, 324 

 Luminous Worms, Rev. H. Friend, 446 

 Lustre of some Feathers of Humming Birds, The, H. J. 



Charbonnier, 324 

 Maceration by Tryptic Digestion, Kathleen F. Lander, 64 

 Magnetic and Allied Observations, Proposed, during the 



Total Solar Eclipse of May 29, 1919, Dr. L. A. Bauer, 



44 

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



Cortie, 483 ; Dr. C. Chree, 505 ; Dr. A. C. Mitchell, 



506 

 Matter and Radiation, H. H. Poole, 84 

 Mendelian Theory, A Darwinian Statement of the, Prof. 



H. F. Roberts,' 463 

 Mosquitoes, The Oldest, Prof. T. D. A. Cockerell, 44 

 Natural History Museum, The Directorship of the. Prof. 



W. Boyd Dawkins and others, 3 ; Sir G. Greenhill, 24 

 Nautical Astronomy, Graphic Methods in. Dr. A. Hutchin- 

 son, 25 ; H. B. Goodwin, 44 

 Partial Sterilisation in Soil, A Possible Case of, F. 



Knowles, 205 

 Prime Numbers, Question Relating to, A. Mallock, 305 ; 



Prof. G. N. Watson, 364 

 Protective Coloration of Birds and Eggs, G. Grace 446 

 Protozoal Parasites in Cainozoic Times, Dr. G. D. Hale 



Carpenter, 46 

 Public Statistics, The Collection and Presentation of, G. 



Drage, 38.1; 

 Rats, The Food o»f, T. Steel, 345 

 Research and Service Sir J. W. Barrett, Prof. F. Soddy, 



404 

 St. Andrews University, Scientific Research at. Prof. 



W. C. Mcintosh, 64; Marine Research at, Prof. A. 



Meek, 104 

 Science and Salaries, C, 404 

 Sea-Otter, Teeth of, M. D. Hill, 446 



Sparganophilus : A British Oligochat, Rev. H. Friend, 426 

 Sponges, The Cultivation of, Lt. W. R. Dunlop, 184 

 Stars, The Age of the. Dr. H. Shapley, 284 

 Stinging- Instincts in Bees and Wasps, The, F. W. L. 



Sladen, 325 

 Stirling, The late Sir Edward, L. M. Harwood, 446 

 Sunlight on Water-drops, Supposed Effect of. Prof. G. H. 



Bryan, 125 

 Visualisation of Features, R. F. Powell, 104 

 Wasps, W. F. Denning, 184; Dr. J. Ritchie, R. F. Burton, 



24s 

 Wild Birds and Distasteful Insect Larvae Dr. W. E. 



Collinge, 404 ; E. R. Speyer, 445 ; Hon. H. Onslow, 464 ; 



Dr. W. E. Collinge, 483 

 Wireless Telephony, A. A. Campbell Swinton, 284, 304 

 X-Ravs and British Industry, R. S. Wright, 244 ; Major 



G. W. C. Kaye, 245 



Corrosion Research Committee of the Institute of Metals, 



Report of the, 152 

 Cotton : and the Cotton-seed Industries, Interdependence of 

 the, E. C. de Segundo, 414; Grading, R. C. Wood, 

 137 ; Hairs, Existence of Daily Growth^rings in the Cell- 

 Wall of, Dr. W. L. Balls, 78 ; Industries Museum, 

 Proposed Establishment of a, 510 ; Plant Provides us^ 

 with Foodstuffs and other Commodities as well as with- 

 Clothing, How the, Ed. C. de Segundo, 451 ; -seed By- 

 products, 153 ; -seed, The Removal of the Residual' 

 Fibres from, and their Value for Non-textile Purposes,. 

 Ed. C. de Segundo, 153 

 Crichton Royal Institution, Report for 19 18 of the, 290 

 Crickets, Destruction of, Some Methods for the, and Their 



Application, P. Vayssifere, 519 

 Cristaux, La Genfese de la Science des, H. Metzger, 184 

 Crocodile on Rotuma, A, Prof. J. Stanley Gardiner, 264 

 Croonian Lecture of the Royal Society, The, to be de- 

 livered by Dr. H. H. Dale, 230 

 Croydon Polytechnics, W. Thomson appointed Principal of 



the, 257 

 Crystallography, Geometrical, A Manual of, Prof. G. M. 



Butler, 103 

 Crystals : Curvature in, L. J. Spencer, 98 ; Growth of, J. 

 C. Hostetter, 512 ; Mimetic, Classification of, E. T. 

 Wherry and E. Q. Adams, 473 ; Some Features in the 

 Growth of. Sir H. Miers, 239 

 Cuckoo, Behaviour of a, H. Eliot Howard, 426 

 Cullum Geographical Medal of the American Geographical 



Society, The, awarded to E. de Margerie, 230 

 Cyanic Acid, Formation of, by the Oxidation of Organic 



Substances, R. Fosse, 460 

 "Cyclone Depression," Some Examples of, G. Guilbert, 159 

 Cyclonic Depression, Temperature Distribution in a, R. M. 

 Deeley, 72 



Dar-Lughdach, An Early Story about, Prof. R. A. 



Macalister, 472 

 Dark Markings on the Sky, Prof. Barnard, 34 

 Date-Palm Sugar Industry of India, The, H. E. Annett, 272 

 Dazzle-Painting of Ships, Lt.-Comm. N. Wilkinson, 395 



DEATHS. 

 Apsey (G. M.), 210 

 Bancroft (C. K.), 191 

 Barlow (G. T.), 172 

 Becker (Dr. G. F.), 250 

 Brown (Prof. Adrian J.), 369 

 Brunner (Sir John T.), 350 

 Canning (Aid. T.), 51 

 Carnegie (A.), 471, 507 

 Carus (Dr. P.), 191 

 Chantemesse (Prof. A.), 8 

 Crisp (Sir F.), 191 

 Crookes (Sir William), 109 

 Cunningham (Archdeacon W.), 289 



