XXXIV 



Title Index 



Natvre, 

 _Fel>ruary 2, 1924 



Electrons : Electric Waves and Wireless Telephony, Prof. 

 J. A. Fleming, 648 ; from Incandescent Oxides, 

 Velocity Distribution of, M. Rossiger, 952 ; in Air, The 

 Mobilities of, L. B. Loeb, 815 ; Light and, Prof. H. 

 S. Allen, 279 ; Recoil of, from Scattered X-rays, 

 Prof. A. H. Compton ; C. T. R. Wilson, 435 ; in Solu- 

 tion, The Paths of, L. Pisarjevski and M. Rosenberg, 

 405 ; The Ether and, Sir Oliver Lodge, 173, 185 



Elements, Constitution of the. Further Determinations 

 of the, by the Method of Accelerated Anode Rays, 

 Dr. F. W. Aston, 449 



Elephant, Wireless Experiments with an, 245 



Elephants, Origin and Evolution of the, Deperet and 

 Mayet, 405 



Embryology : and Use-inheritance, Prof. E. W. MacBride, 

 359 ; Sir Arthur Keith, 360 ; Contributions to. Vol. 

 14, Nos. 65-71, 500 



Emerald Table, The, E. J. Holmyard, 525 



Empire : a Bureau of Education for the. Plea for, W. T. 

 McCoy, 73 ; Cotton Growing Corporation's Cotton 

 Experiment Station in Nyasaland, E. S. Eldridge 

 appointed farm manager of the, 708 ; grant to the 

 Imperial College of Science and Technology, 107 ; 

 Mining and Metallurgical Congress, acceptance of 

 the presidency of the, by Viscount Long of Wraxall, 

 768 ; Resources, The development of, 552 



Emulsions and Emulsification, The Theory of. Dr. W. 

 Clayton. 128 



Engineers : Civil, Institution of, awards of the, 632 ; 

 Junior Institution of, Durham bursary of the, 632 



England, Eastern, some Aspects of its Geography, with 

 special reference to Economic Significance, J. Bygott, 

 825 



English : Coastal Evolution, E. M. Ward, 93 ; Speech, 

 The Study of, by New Methods of Phonetic Investiga- 

 tion, Dr. E. W. Scripture, 160 



Entomology : Economic, Phytopathology and. Inter- 

 national Conference of, 181 ; Manual of, with special 

 reference to Economic Entoniology, Prof. H. Maxwell 

 Lefroy, 857 ; with special reference to its Ecological 

 Aspects, Prof. J. W. Folsom. Third edition, 757 



Ephemeridae, Life History of the, R. B. Marston, 762 



Epigcea repens. The Root System of, and its Relation to 

 the Fungi of the Humus, W. T. Councilman, 460 



Epping Forest, E. N. Buxton. Ninth edition, 617 



Equilibria, Heterogeneous. Pt. I., J. A. V. Butler, 851 



Ergot Problem, The Present Position of the, A. Stoll, 880 



Eskimo : Among Unknown, J. W. Bilby, 469 ; The Copper, 

 D. Jenness ; J. Cameron, 951 



Essence and Existence, Prof. H. Wildon Carr, 572 



Essential Oils, the Mode of Formation of, Cytological 

 Observations on, A. Guilliermond and G. Mangenot, 

 639 



Esslingen, Engineering College, Dr. J. Schmidt appointed 

 reader in chemistry at the, 379 



Ether, The, and Electrons, Sir Oliver Lodge, 173, 185 



Ethyl : Alcohol : Industry, The, 374 ; Molecular Solution 

 Volumes in, G. J. Burrows and F. Eastwood, 408 ; 

 and Methyl Ether, Manufacture of , J. B. Senderens, 152 



Ethylenebromohydrin, The Dilution of, with Water, J. 

 Read and G. J. Burrows, 256 



Ethylglycerol, Action of Formic Acid on, R. Delaby, 119 



Etna : Mt., Night Temperature on. Prof. F. Eredia, 149 ; 

 The Recent Eruption of. Prof. G. Ponte, 546 



Eucalypts and Angophoras, The Secretory Epidermal 

 Cells of certain, M. B. Welch, 924 



Eucalyptus Oils, The Germicidal Values of the Principal 

 Commercial, and their Pure Active Constituents, A. 

 R. Penfold and R. Grant, 256, 952 

 Euclase and Platinum from Diamond Washings in British 



Guiana, L. J. Spencer, 778 

 Eugenical Sterilisation in the United States, Dr. H. H. 



Laughlin, 387 

 Eugenics : International Commission on. Meeting at 



Lund, 452 ; National, 387 

 Eugenique et selection. Dr. E. Apert and others, 387 

 Europaischen Bienen, Die (Apidae), Prof. H. Friese, Lief. 



2, 3. 4. 434 

 European Drought of 1921, The, L. C. W. Bonacina, 488 

 Eutermes, the Nests of. Correction relating to, J . Bathelher, 



380 



Evaporation under Laboratory Conditions, Improved 



Methods of, H. G. Becker, 118 

 Everest, Mount, Cinematograph Film, 331 ; Expedition, 



1922, Meteorological Notes from the, Dr. T. G. Long- 



.staff, 74 

 Evolution : and Christian Faith, Prof. H. H. Lane ; Canon 



E. W. Barnes, 46 ; Emergent, the Gifford lectures 



delivered in the University of St. Andrews in the 



year 1922, Prof. C. Lloyd Morgan, 642 ; in the 



United States, The Revolt against the Teaching of, 



Dr. W. Bateson, 313 

 Ewing's New Ferromagnetic Model, Profs. Honda and 



Okubo, 21 

 Experimental: Biology, British Journal of. No. i, 553; 



Wireless, No. i, 598 

 Eye, The, and Vision, Dr. H. Hartridge, 532 



Fatigue Research in Factories, Dr. D. R. Wilson, 633 

 Feathers, Structural Colours in. Prof. W. D. Bancroft, 243 

 Fernrohre, Die, und Entfernungsmesser, Dr. A. Konig, 434 

 Ferns : Characters and History of the, 499 ; The (Filicales), 



treated comparatively with a View to their Natural 



Classification, Prof. F. O. Bower. Vol. I., 499 

 Fibre, Treating with Cuprous Salts before dyeing, A. 



Gillet and F. Giot, 119 

 Field Natural History, Sir Herbert Maxwell, 679 

 Fifth Group Metals, The Spectra of, A. E. Ruark, F. L. 



Mohler, P. D. Foote, and R. L. Chenault, 831 

 Filamentous Forms from Eocene Beds, Origin of certain, 



W. N. Edwards, 9 

 Finger-and-Toe, Control of, by Liming, Prof. Hendrick, 602 

 Fireball : A Large, W. F. Denning, 454 ; of September 7, 



W. F. Denning, 520 ; of November 3, The, W. F. 



Denning, 738 

 Fireballs, Two Large, W. F. Denning, 668 

 Fire Hazards and Fire Extinction on Oilfields, Prof. J. S. S. 



Brame ; H. B. Milner, 344 

 Fire-making on the Gold Coast, A. W. Cardinall, 556 

 Fish : Consumption of, by Porpoises, Dr. Johs. Schmidt, 



902 ; Dried Salted, Red Discoloration of. Dr. G. C. 



Cloake, 952 

 Fishery Investigations : Recent, J. O. Borley and others, 



250 ; ser. II. Vol. V., Nos. 5 and 6, 215 

 " Fishing " in Oil-well Drilhng, A.^Millar, 844 

 Flavouring Materials : Natural and Synthetic, A. Clarke, 



128 

 Flight, Inverted, The Manoeuvres of. Squad. Leader R. M. 



Hill, 953 

 FUnt Implements : at Foxhall Road, Ipswich, Prof. 



P. G. H. Boswell and J. Reid Moir, 224 ; The Great. 



of Cromer, Norfolk, J. Reid Moir, 321 

 Fluorescence : and Photochemistry, R. Levaillant, 380 ; 



Observations on, J. Perrin, 460 ; of certain Lower 



Plants, The, Prof. F. E. Lloyd, 132 

 Fog, Daily and Seasonal Variations of, F. Entwistle, 807 

 Fogs, The London, of November 25-27, 1923, Dr. J. S. 



Owens, 862 

 Food : Health, and Growth : a Discussion of the Nutrition 



of Children, Dr. L. E. Holt, 94; Preservatives and 



Colouring Matters in, appointment of a Committee 



upon, 64 

 Foods : Vital Factors of. Vitamins and Nutrition, C. Ellis 



and Prof. Annie L. MacLeod, 576 

 Foraminifera of Lord Howe Island, The, E. Heron-Allen 



and A. Earland, 118 

 Forests of India, The, Prof. E. P. Stebbing. In 3 Vols., 



Vols. I. and II., 751 

 Formaldehyde, Photochemical Production of. Prof. E. C. C. 



Baly, Prof. I. M. Heilbron, and W. F. Barker, 323 

 Fossil : Caddis-case, A, Prof. T. D. A. Cockerell, 794 ; 



Crabs from Haiti, Mary J. Rathbun, 20 ; Eggs of the 



Upper Cretacean of Rognac in Provence, V. Van 



Straelen and M. E. Denaeyer, 959 ; Human Bones, 



possibly of Pleistocene Age, found in Egypt, Dr. D. E. 



Derry, 250 ; remains of Man of the Aurignacian Age 



at Solutre (Saone-et-Loire), C. Deperet, F. Aredin, 



and L. Mayet, 674 

 Fossils, The Study of, 6 

 Fothergillian gold medal and prize, award of the, to Sir 



Arthur Keith, 599 



