434 



INDEX. 



DixoK, Prof. W. E., Psychology the basis 



of treatment, 164, 

 DoiDOB, Dr. E. M., Some diseases of 



Citrus prevalent in South Africa, 



395. 

 Dormancy of weed seeds in soil . . ., by 



Dr. W. E. Brenchley, 4 17, 430. 

 Dkennan, Prof. M. R., Skulls recently 



discovered in South Africa 366*. 

 Dkever, Dr. J., Hue-discrimination 



spectrometer, 383. 

 Dbummond, Miss M., Magic and the 



child, 380,429. 

 Ddebden, Prof. J. E., Pv,ecent research 



with reference to South African wools, 



416. 

 Zoology of the fleece of the sheep, 



333. 

 Dust inhalation. Effects of, by Dr. T. M. 



Mavrogordato and Dr. J. S. Haldane, 



374*. 

 DuTHiE, Miss A. v., Life-history and 



morphology of Riccia purpurasceiis, 



386*. 

 Dyer, R. A., Veld experiments on the 



Amatola mountains . . ., 421*. 

 Dynamics and sport, by Sir G. T. Walker, 



■311*. 

 Dynamics for surface action, A new, by 



"Dr. E. H. Constable, 320. 

 Dyson, Sir F., Proper motions in the 



Greenwich astrographic zone, 312. 



Eastern palaeolithic art of Spain, by 

 L'Abbe Breuil, 367*, 428 



EccLES, Prof. W. H., The new acoustics, 

 312*, 427. 



EoKBO, N. B., Moisture content of wood, 

 400*. 



Economic competition between advanced 

 and backward peoples. Discussion on, 

 358*. 



Economic development ... in Western 

 Karroo, by Prof. P. Serton, 344. 



EuDiNGTON, Prof. A. S., Matter in inter- 

 stellar space, 311, 427. 



Educational training for overseas life, 

 Report on, 268. 



Education and the Poor White, by Dr. 

 E. G. Malherbe, 400*. 



Education for employment, bv W. M. 

 Heller, 412. 



Edwards, W, N., Paradoxopteris . . ., 

 3S4, 430. 



Triasso-Rhaetic floras of southern 



hemisphere, 323. 



Effect of relief on South African settle- 

 ment, by Prof. E. Walker, 344. 



Egeetom, a. C. G., Influence of anti- 

 knocks on combustion of hydrocarbons, 

 320, 427. 



Eisslen, Dr. W. V., Sacred fire of the Ba 



Pedi, 367*. 

 Electrical conductivity of animal tissues, 



by Prof. L. T. Hogben and C. Gordon, 



373*. 

 Electrical energy, Limits of economical 



transmission of, by Prof. E. W. 



Marchant, 365, 428. 

 Electricity supply in Great Britain, 



National scheme for, bv C. H. Merz, 



364, 428. 

 Electrometers, Some new, by Dr. B. T, G. 



Schonland, 310*. 

 Elements of the moon's orbit and the 



solar parallax . . ., by Dr, H. Spencer 



Jones, 312*. 

 Engineering problems of South African 



railways and harbours, by Dr. C. V. 



von Abo, 363*. 

 Engineering problems . . . South African 



railwaj's, by M. M. Loubser, 363*, 

 English, E. F., Laboratory studies in 



pulping some South African woods, 



400*. 

 Environment and disease . , ., by W. R. 



Day, 397. 

 Eucalypts in sub-tropical plantations 

 . . ., Ijy J. J. Kotze and C. S. Hubbard, 



399*' 

 European cities, by Prof. H. J. Fleure, 



347, 428. 

 Evans, Dr. I. B. Pole, Botanical survey 



of South Africa, 392*. 

 on Origin and evolution of South 



African flora, 389. 

 Evans, Dr., and Mrs. Pole, Scenes of 



South African vegetation, 390*. 

 Evolution in flora of north-eastern 



America, by Prof. M. Victorin, 385, 



430. 

 Examinations in, and at the end of, the 



secondary school course, by E, R. 



Thomas, '403, 430. 

 Examinations in the secondary schools 



. . ., by Dr. J. F. Burger, 403. 

 Examinations leading to the secondary 



school, by J. L. Holland, 402. 

 Excavations at Bambata, by A. L. 



Armstrong, 368*. 

 Excavations in the Rhodesian ruins, bv 



Miss G. Caton-Thompson, 368, 429. 

 Exotic coniferous timbers grown in South 



Africa, by M. N. Scott, 399*. 

 Exotic trees in Cape Peninsula, . ... by 



G. A. Zahn and E. J. Neethling. 397*. 

 Expansion of China, bv Prof. P. M. 



Roxby, 350, 428. 

 Experimental method in psychology, by 



F. C. Bartlett, 186. 

 Experiments on functions of rods and 

 i cones in vision, by G. C. Grindley, 383*, 

 I Eybers. Prof. E., Bloemfontein psycho- 

 I ediicational clinic . . ., 379*. 



