x Name. Index 
Nature, 
August 11, 1923 

Eblé (L.), Magnetic Measurements in the Paris Basin, 903 
Eckardt (Dr. W. R.), Climates of the Past, 304 ; Grundziige 
einer Physioklimatologie der Festlander, 392 
Eddington (Prof. A. S.), Prof. Michelson’s Work in 
Astronomical Interferometry, 240; The Borderland 
of Astronomy and Geology, 18; The Interferometer 
in Astronomy, 572; The Interior of a Star. Supple- 
ment (May 12), v 644; The Mathematical Theory of 
Relativity, 697 
Edridge-Green (Dr. 
.. After-images, 16 
Edwards (J.), A Treatise on the Integral Calculus: with 
Applications, Examples, and Problems. Vol. 2, 391 
Edwards (W. N.), The Microscopic Structure of Coal, 690 
Egerton (A.), The Vapour Pressure of Lead. I., 381 
Egerton (A. C.) and W. B. Lee, Some Density Determina- 
tions, 381 
Eginitis (D.),, The Reform of the Calendar in Greece, 
487; The Adoption in Greece of the Gregorian 
4S Calendar, 546 
Eijkman (Dr. C.), presented with the John Scott medal, 
680 
F. W.), Occult Phenomena and 
Einstein (Prof. A.), translated by Prof. E. P. Adams, 
: The Meaning of Relativity : Four Lectures delivered 
-. at Princeton University, May 1921, 697 
Ellinger (T.), The Variation and Inheritance of Milk 
Characters, 867 
Elliot (H.), Human Character, 174 
Elliott (Prof. J. A.), [death], 298 
Elliott (J. S. B.) and O. P. Stansfield, The Life History 
of Polythrincium Trifolii, 553 
Elliott (L. E.), Chile: To-day and To-morrow, 566 
Ellis (O. C. de C.), Poetry and Science, 890 
Ely (Dr. Talfourd), [obituary article], 156 
Emery (Dr. W. ve), [death], 888 
Engledow (F. L.), Peculiar Polish Wheat Cross, 719 
English (S.), Natural Sillimanite as a Glass Refractory, 830 
Epps (W.), Anderson Stuart, M.D., Physiologist, Teacher, 
Builder, Organiser, Citizen, 111 
Ermen (W. F. A.), Innocuous Metol, 481 
Ernle (Lord), Victorian Memoirs and Memories, 611 
Evans (Dr. I. B. Pole), awarded the South Africa medal 
and grant, 162 
Evans (I. H. N.), Fire-making in the Malay Peninsula, 683 
Evans (Dr. J. W.), A Peruvian Desert, 527 ; Johannsen’s 
Essentials for the Microscopical Determination of 
Rock-forming Minerals and Rocks, 143; Molecular 
and Crystal Symmetry, 740 ; The Wegener Hypothesis 
of Continental Drift, 393; and others, The Wegener 
Hypothesis, 30 
Evans (M. H.) and H. J. George, The Adsorption of 
Gases by Solids and the Thickness of the Absorbed 
Layer, 206 
Evans (W. V.) and R. T. Dufford, A Luminescent Chemical 
Change, 481 
Evershed (J.), The Corona of 1908 and Solar Prominences, 
785; The Green Flash at Sunset, 13; The Indian 
Eclipse Expedition to Wallal, Western Australia, 862 
Evetts (G.), The Administration and Finance of Gas 
Undertakings: with Special Reference to the Gas 
Regulation Act, 1920, 350 
Eyden (Miss D.), Changes in the Specific Gravity of 
Daphnia pulex L., 2 
Faber (Dr.), Reinforced Concrete simply explained, 251 
Fabre (J. H.), translated by A. Teixeira de Mattos, More 
Beetles, 285; translated by A. Teixeira de Mattos, 
The Life of the Weevil, 216 
Fairbourne (A.), Selective Interruption of Molecular 
Oscillation, 149 
Fairbrother (F.), appointed lecturer in chemistry in 
Manchester University, 449 
Fargher (R. G.) and M. E. Probert, The Cuticle of Cotton, 
443 
Farmer (E.), S. Adams, and A. Stephenson, Lighting: in 
Mince, 341 
Farrar (Dame Ella Mabel), bequest to the Transvaal for 
an agricultural scholarship, 621 
Favaro (Prof. A. N.), [obituary article], 368 
Fearon (Dr. W. R.), Urease, 894. 

Ferguson. (A.), A New Method of Glass-melting, 830 
Fernow (Prof. B. E.), [death], 335 
Few (H. P.), Elementary Determinants for levaoal 
Lena, 566 
Field (J. H.), ‘Upper-air Winds in Taka, 62 ; 
Air in India, oes 
Fierz-David (Prof. H 
Farbenchemie. 
Filon (Prof. L. N. G.) 
The Upper 
ER); Geiehieeeats dg = der 
Zweite Auflage, 142 
and F.C, Paes: The Dighane 
Nature of Glass as shown by Photo-elastic observa- 
tions, 725 
Finch (G..1.), High-altitude Mountaineering, 480 
Findlay (Prof. A.), The Phase Rule and its Applications. 
Fifth edition, 631 
Firth (Edith M), F. W. Hodkin, and Prof. W. E. S, 
Turner, The Effect of Saltcake in es Fireclay _ 
Materials, 519 
Fischer (Emil), Gesammelte Werke. 
(1907-1919), herausgegeben von M, Bergmann, 768 
Fisher (E. A.), Some Moisture Relations of Colloids. 
Part I., 169; II., 690 
Fisher (H. A. L.), The Progress of Education in the ae 
since IgII, 865 
Fisher (R. A.), Paradoxical Rainfall Data, 465; H. G. 
Thornton, and W. A. Mackenzie, Distribution of 
Organisms i in Culture Media, 442 
Fison (Dr. A. H.), [death], 230; [obituary article], 263 
Flammarion (C.), The Increase of Brightness of the Star 
B Ceti, 451 
Fleming (A. H.), gift to the California Institute of 
Technology, 477 
Fleming (Prof. J. A.), The Work of the late Sir James 
Dewar, 646 
Fleming ( R. M. ), Stories from the Early World, 284 
Fleure tease H. J.), Mental and Physical Characters in 
Race Study, 268; The Races of England and Wales : . 
a “aa of Recent Research, 737 : 
Flint (Prof. A hy [death], 437 
Flint (H. ry Generalised Vector Analysis of Four 
meenis & 419 
Flynn (Prof. T. T.), The Phylogenetic Significance of the 
Marsupial Allantoplacenta, 136 
de Forcrand (R.), Thallium Hydroxide, 554; The 
Alcoholates of Thallium, 135; The Hydrates of 
Krypton and Argon, 310 
de Forest (Dr. Lee), presented with the Elliott Cresson 
gold medal of the Franklin Institute, 337; Micro- 
phonic Flames, 739 
Forsdike (H. S.), awarded the Jacksonian prize of the 
Royal College of Surgeons of England,.544 
Forster (Sir Ralph), unveiling of a tablet of, at University 
College, 687 
Forsythe (Dr. W. E.), Colour Temperature and Brightness 
of Moonlight, 533 
Foster (W. A.) and D. G. Carter, Farm Buildings, 391 
Fotheringham (Rev. D. R.), Calendar Reform, 159 ~ 
Fotheringham (Dr. J. K.), Perseid Meteors in July 1592, 
74 
Rouen (M.), The Influence of Copper on the Lactic 
Fermentation, 451 
Fourmarier (Prof. P.), elected a foreign correspondent of 
the Geological Society, 716 
Fournier d’Albe (Dr. E. E.), A Method of Broadcasting 
Pictures, 811; Broadcasting a Picture by Wireless 
Telephony, 751 ; 
. Circle, May to August 1921, 139 
Fowler (Prof. A.), The Series Spectrum of Trebly-ionised 
Silicon (Si IV), 689 
Fowler (R. H.), The Structure of the Atom, 523 
Fowler (Canon W. W.), [death], 781; [obituary article], 888 
Fox (C.), The Distributlon of Population i in the Cambridge 
Region in Early Times, with Special Reference to 
the Bronze Age, 67 
Fox (H. M.), appointed demonstrator of comparative 
anatomy in Cambridge University, 828 
Fox (W. L.), Hafnium and Titanium, 429 
Franchet (L.), A New Industrial Material of the Neolithic 
Age, 243 
Francis (E. C.), awarded a Rayleigh prize in Cambridge 
University, 417 
Untersuchungen ~ “§ 
iiber Aminosauren, Polypeptide und Proteine II. 
(Psychical Research.) The Goligher 
t 
