Nature, ] 

 October 7, 1920J 



Index 



xxxvii 



the late Prof. McClelland and Rev. H. V. Gill, 634; 



Differentia] Radiometer, The, W. H. Dines, 570 ; 



Oxides, The Catalytic Formation of, A. Mailhe and F. 



de Godon, 27; The Equation of State of, E. Ari^s, 314; 



The Critical State of, M. Audant, 634 

 p:thylene Sulphide, C^H^S, M. Delepine, 666 

 Eucalyptus Oils, The Manufacture of Thymol, Menthone, 



and Menthol from, H. G. Smith and A. R. Penfold. 



732 

 Euclid in Greek. Book I, with introduction and notes, Sir 



Thomas L. Heath, 288 

 Euclid's Elements, 288 



Eugenics, Civics, and Ethcs, Sir Charles Walston, 804 

 Eurppean Thought, Recent Developments in. Essays 



arranged and edited by F. S. Marvin, 607 

 Evelyn, Pepys, and Swift, Weather Notes of, in Relation 



»o British Climate, Capt C. J. P. Cave. 393 

 Evolution. The Method of, Prof. E. W. MacBride, 655 

 Exeter University College, Prof. H. J. W. Hetherington 



appointed Principal of, 280 

 Exhibition of Diseases of the Para Rubber Tree, 86 

 Expansion caused bv Joule's Effect at the Contact of Two 



Solids, The, J. Fallou, 506 

 Exploration of the Sea, International Council for the : 



Meeting of the, 51, 84; H. G. Maurice elected Presi- 

 dent of tTie, 86 

 Explosive Sounds, The Velocity of. Prof. D. C. Miller, 842 

 Evam Moor Circle in Derbyshire, Map of the, J. S. Wilson 



and G. A. Garfitt, 180 

 Eve-Colour in Bees, Prof. T. D. A. Cockerell, 518 



Falkland Islands and South Georgia, The Climate and 

 Weather of, C. E. P. Brooks, 275 



Falmouth Observatory, The Weather Experienced at, 656 



Farm Animals, Physiology of, T. B. Wood and Dr. F. H. 

 A. Marshall, Part I, General, Dr. F. H. A. Marshall, 

 704 



February, The Weather of, 53 



Federation of Science, The, 317 



Feelings, A Natural History of the, 3 



Fclichthys felts, The Ovary 'of, E. W. Gudger, 279 



Fellow-Workers, Sir Ronald Ross, 455 



Felsted School Scientific Society, Report of the, for 1918 

 and 1919, 623 



Fertilisers, Artificial, The Manufacture of. Dr. E. J. 

 Russell, 4 



Fertilising Materials, Mining and Manufacture of, and 

 their Relation to Soils, S. L. Lloyd, 4 



Fertility of the Social Classes in England and Wales, The, 

 Dr. T. H. C. Stevenson, 655 



Fertilization, Problems of, Prof. F. R. Lillie, 225 



Ferraris' " Dioptric Instruments " : Being an Elementary 

 Exposition of Gauss' Theory and its Applications. 

 Translated by Dr. O. Faber from Prof. F. Lippich's 

 German translation of Prof. G. Ferraris' " The Fun- 

 damental Properties of Dioptric Instruments," 542 



Ferrous Industries during the past fifty years, The Progress 

 made in the. Dr. J. E. Stead, 403 " 



Fevers in the Tropics, Sir Leonard Rogers, Third edition, 

 33 



Field : Glasses, Monocular and Binocular. Report on, E. P. 

 Hyde, P. W. Cobb. H. M. Johnson and W. Weniger, 

 243 ; Museum of Natural History, Work of the 

 Botanical Laboratories of the, 498 



Filter Press, Recessed Plate and Plate-and-Frame Tvpes 

 of, E. A. Alliott, 6q6 



Filtration. CentrifugaU A New Process for, W. J. Gee, 696 



Finland, Standard Time in, H. R. 14; 



Finnic Question, The, and Some Baltic Problems, H. 

 Peake, 723 



Fireball : A Bright, 370 ; of February 4, M. L. Dey ; W. 

 F. Denning, 105 



Fisheries, Department of the Ministry of Agriculture and 

 Fisheries, Prof. J. Stanley Gardiner to direct tempo- 

 rarily the scientific work of the, 52 



Fishery : Investigations, Ser. Ill, Hvdrographv. Vol. I, 

 The English Channel. Part II ;' Vol, II.' Lightship 

 Observations. Part I; Vol. Ill, The Atlantic Ocean. 

 Part I, Dr. E. C. Jee, 150; International, 84; Council 



for, Prof. W. C. Mcintosh, 167, 358; X.Y.Z., 262; 

 Recent, 216 



Fishes, Determination of the Age of, by Inspection of the 

 Scales, R. E. Savage, Rosa M. Lee, 275 



Fish-Food in the 'Limfjord, 1909-1917, P. B. Jensen, 527 



Fishing, " Intensive," Drs. A. C. Johansen and Kirstine, 

 216 



FitzGerald-Lorentz Contraction Theory, The, H. H. Poole, 

 200 



Fizeau Effect in an Electron Stream, An Attempt to detect 

 the, Prof R. Whiddington, 708 



Flame in Complex Gaseous Mixtures, The Propagation of, 

 W. Payman, 279 



Flight at High Altitudes, J. Villey, 346 



Flint Implements, The Earliest, 289 



Flints : Trimming of, in Algeria, M. W. Hilton-Simpson, 

 8i ; worked, with finger-grips. Miss Nina F. Layard, 

 557 



Flora : Land, The Earliest Known, Prof. F. O. Bower, 681, 

 712; of Jamaica. Vol. IV., Dicotyledons: Families 

 Leguminosae to Callitrichaceae, W. Fawcett and Dr. 

 A. B. Rendle, 738 ; of the Hawaian Islands, 217 ; of the 

 Presidency of Madras, J. S. Gamble, Part III, 36 



Flowers : Wild, Australian, Second Series, photographed by, 

 A. E. Sulman, 34 ; Wild, of New South Wales, A 

 Popular Guide to the, F. Sulman, Vol. II, 34; Wild, 

 Some Familiar, Photographed by A. E. Sulman. 34 



Fluid in Turbulent Motion, The Conditions at the Boun- 

 dary of a, T. E. StantQn, Miss D. Marshall and Mrs. 

 C. N. Bryant, 441 



Flying : at High Altitudes, The Physiological Aspect of. 

 Dr. Guglielminetti. 401 : -fish, The Flight of. Dr. J. 

 McNamara, 421 ; Prof. W. N. F. Woodland; Sir David 

 Wilson-Barker, 4^4 



Fogs in the Eastern Sahara, Frequency of, J. Tilho, 571 



Food : Consumption, National, in the United States, Prof. 

 R. Pearl, i;97 ; Inspectors of. Work of, Dr. MacFadden, 

 151; Its Composition and Preparation, Mary T. Dowd 

 and Jean D. Jameson, 99 ; Science of, 99 ; Supplies in 

 Peace and War, Sir R. Henry Raw. 320 ; Supply, The 

 National, 371; The Nation's, Dr. E. J. Russell, 320; 

 Want of, and the Chemical Composition of Milk, Ch. 

 Porcher, 571 



P'oods. Bacteriology and Mycology of, Dr. F. W. Tanner, 



99 

 Foraminifera from off New Zealand, Recent, J. A. Cush- 



man, 242 

 Foreign Decorations, permission to scientific men to wear, 



463 



Forest Research, 630 



Forestry : Commercial, in Britain ; Its Decline and Revival, 

 E. P. Stebbing, !;77 ; Commission. The. 215; Con- 

 ference, The British Empire, 759; Tree Diseases, and 

 Timber, 577 



Forests : Our National, A Short Popular Account of the 

 Work of the U.S. Forest Service on the National 

 Forests, Dr. R. H. D. Boerkcr. kjt : Woods, and Trees 

 in Relation to Hvgiene, Prof. A. Henry, 158 



Forfinda atiricularia,' The Food-Plants of, H. H. Brindley, 



378 

 Formal and Chromium Compounds as Fixing Agents, The 



Lise of Mixtures of, E. Licent. 60' 

 Formosa : The Flora of the Island of, B. Hayata, 664 : 



The Rainfall in the Island of, 680 

 Fossil : -bearing Layer in the Flanders Clay at Watten 



fNord). Discovery of a. G. Dubois, roc : Plants : A 



Textbook for Students of Botanv and Geology. Prof. A. 



C. Seward, Vol.. IV, Ginkgo'ales, Coniferales, Gne- 



tales, 07 

 Fossils : from the Miura Peninsula and its Immediate 



North. Prof. M. Yokoyama, 836; Lower Paljeozoic. 



The Grav Collection of. to be purchased by the British 



Museum.' (Natural History). 336; Old .Vge and Ex- 

 tinction in. Dr. ,W. D. Lang. 212 

 Fourth Gospel. The Beginning of the. Prof. P. Haupt, 764 

 France, fitudes sur le Climat de la. Deux. Partie, A. Angot, 



119 

 Franklin Medals of the Franklin Institute presented to the 



Hon. Sir Charles A. Parsons and Prof. Svante A. 



Arrhenius, 432 



