616 
Emotion, nature of, by Prof. J. Drever, 
477, 370. 
Empire agriculture, discussion by Gen. 
the Ri. Hon. J. C. Smuts, Sir D. Hall, 
C. 8. Orwin, 514*, 572. 
ENFIELD, R. R., World’s wheat situation, 
414. 
Engineering, early evolution of power, by 
H. P. Vowles, 455, 570. 
Engineers’ contributions to Canada’s 
development, by Brig.-Gen. C. H. 
Mitchell, 435, 569. 
Entomology, agricultural, in Britain, by 
J.C. F. Fryer, 402. 
Environmental factors in maladjustment, 
by Dr. W. Moodie, 506*, 571. 
Espaitz, Dr. A., Durability of paper, 
536*. 
Ether-drift experiments in Cleveland, 
1930, by Prof. D. C. Miller, 337. 
Ethnology, biological view-points in, by 
Dr. G. Thilenius, 456*. 
Ethyl cinnamate, optical behaviour, by 
Prof. E. J. Hartung, 366*, 567. 
Eugenics, anthropological approach, by 
Capt. G. Pitt-Rivers, 457. 
Eugenics in education, by Prof. R. R. 
Gates, C. W. Armstrong, Prof. P. 
Geddes, Prof. J. S. Huxley, Prof. 
E. W. MacBride, Sir J..A. Thomson, 
507. 
Evuupr, Prof. H. von, Biochemical 
experiments with carotenes and vitamin 
A, 360, 567. 
Euphorbia, chromosome number and 
morphology, by Miss H. H. Harrison, 
491. 
Evans, Sir A. J., Temple tomb of house 
of Minos, 447, 569. 
Eve, Prof. A. S., Geophysical methods of 
prospecting, 329*. 
Evetria (Ryacionia) buoliana, by Dr. 
R. N. Chrystal, 498, 571. 
Evolution, a hundred years of, by Prof. 
E. B. Poulton, 71, 394.* 
Evolution, biological races, by Dr. W. H. 
Thorpe, 400, 567. 
Evolution, discussion, 395*. 
Evolution, evidence of palzontology, dis- 
cussion by Sir A. Keith, Prof. H. L. 
Hawkins, Prof. H. F. Osborn, Dr. W. D. 
Lang, Prof. H. H. Swinnerton, Prof. 
A. E. Trueman, Prof. D. M. 8. Watson, 
369. 
Evolution, mathematical theory, by Prof. 
J. B.S. Haldane, 401*, 567. 
Evolution, mendelism and genetics, by 
E. B. Ford, 394*. 
Evolution, principles revealed by palzon- 
tology, by Prof. H. F. Osborn, 394. 
Evolution, species concept, by Dr. W. R. 
Thompson, 400*. 
INDEX, 
Evolution and development, by Prof. 
J. 8. Huxley, 394*. 
Evolution and geographical races, by Dr. 
O. W. Richards, 401. 
Eveclutionary importance of study of 
lineages, by Prof. D. M. 8. Watson, 
401*. 
Evolution of plant world, palzobotanical 
evidence, by Prof. A. C. Seward, 482. 
Evolution of universe, discussion by Sir J. 
Jeans, Prof. E. A. Milne, Prof. W. de 
Sitter, Sir A. S. Eddington, Prof. 
R. A. Millikan, Rt. Rev. the Lord 
Bishop of Birmingham, Gen. the Rt. 
Hon. J. C. Smuts, M. l’Abbé Lemaitre, 
Sir O. Lodge, 335*, 573, 566. 
Ewrne, Sir J. A., Power (Bramwell Trust 
Lecture), xxvi*, 122, 435*. 
Exchange, mathematical theory, by 
R. G. D. Allen, 417, 568. 
Excursions and visits, xxx. 
Exhibitions, xxvii. 
Explosion flames, photographic analysis, by 
Prof. W. A. Bone, xxv*, 366*, 539, 567. 
Facial expression, psychology, by A. R. 
Knight, 478. 
Farrctoueu, N., Numerical results of 
Emden’s equation for indices 3 and 3, 
350, 566. 
Fagsans, Prof. K., Forces between 
adjacent ions in solution, 358*, 567. 
Family coefficients, by Prof. E. P. 
Cathcart, 459*, 570. 
Faraday, man and work, by Prof. 
G. W. O. Howe, xxvi*. 
Faraday and theory of electrolytic con- 
duction, by Sir H. Hartley, 31, 359*. 
Faraday’s ‘steels and alloys,’ by Sir R. 
Hadfield, 431, 568. 
Farmer, E., Vocational selection, 476*, 
570. 
Farmer, Sir J. B., Training of botanists 
for economic and industrial positions, 
485. 
Farming, specialisation in, 
Orwin, 520, 572. 
Farming units, by Sir D. Hall, 519. 
Fat-soluble vitamins, by Prof. I. M. 
Heilbron, xxvi*. 
Fenner, Dr. C., Structural and human 
geography of South Australia, 413. 
Fertilisers, by Dr. E. M. Crowther, 512. 
Fertility and intelligence, by Dr. S. 
Dawson, 469, 570. 
Finpiay, W. P. K., Mechanical strength 
of timber and progressive fungal decay 
498, 571. 
Fisuer, Dr. R. C., Prevention and con- 
trol of damage by wood-boring insects, 
492, 571. 
by C. 8S. 
