138 
TuouLess, Dr. R. H., Protective 
colouration and psychology of 
perception, 385. 
TIDESWELL, F.. V., Rank in coal, 370. 
Timber-producing trees, report on an- 
atomy, 344. 
TOMLINSON, Miss M. E., Geology 
in schools, 380. 
Town and country planning in 
seventeenth century, by Prof. 
E. G. R. Taylor, 400. 
Town and country planning ; pre- 
servation of sites of scientific interest, 
by Prof. P. G. H. Boswell, 474. 
Trade, international, monetary pro- 
blems, by J. C. Gilbert, 407. 
Traffic, applications of science to 
control of, discussion by A. T. V. 
Robinson, H.Alker Tripp, F.G.W. 
King, Dr. C.S. Myers, E. Farmer, 
417, 440%, 497. 
‘Trance personalities and word asso- 
ciation tests, by W. Carington, 436. 
Transport, British air, by Dr. A. 
Plummer, 410, 497. 
Tree planting since the Roman 
occupation, by A. C. Forbes, 452, 
Trees, British-grown hardwood, by 
A. L. Howard, 456, 499. 
Tridacnidz, life and symbiosis, by 
Prof. C. M. Yonge, 383, 496. 
Tripp, H. ALKER, Science and con- 
trol of road traffic, 417, 498. 
TRUEMAN, Prof. A. E., Geology in 
schools, 378, 495. 
TuTIn, T. G., Eel grass, 454. 
Tyre factors in vehicle control, by 
F. G. W. King, 418, 497. 
Unemployment and physical recrea- 
tion, by E. Major, 465, 500. 
Universities and business: case for 
more intimate co-operation, by 
Dr. J. A. Bowie, 411, 497. 
Universities and business, discussion 
by Dr. J. A. Bowie, Prof. P. Sar- 
gant Florence, 411. 
University students and physical 
education, by Col. R. B. Campbell, 
464. 
Urban grid plan medieval, develop- 
ment and distribution, by Dr. 
R. E. Dickinson, 405. 
INDEX 
Urwick, L., Executive decentralisa- 
tion with functional co-ordination, 
413, 497. 
Utricularia vulgaris, seeds and seed- 
lings, by Dr. F. W. Jane, 444. 
Vacuoles, contractile, osmotic func- 
nee by Dr. J. A. Kitching, 385, 
490. 
VALENTINE, Prof. C. W., Origins of 
laughter in young children, 434, 
499. 
Vegetables, growing on a large scale, 
by C. T. Joice, 467, 500. 
Vegetables, growth for canning, by 
W. B. Adam, 467. 
Vehicle control, tyre factors, by 
F. G. W. King, 418, 497. 
VENN, Dr. J. A., Financial and eco- 
nomic results of State control in 
agriculture, 203, 466*. 
VERNON, Miss M. D., Perception of 
distance, 439. 
VERNON, Dr. P. E., Matching me- 
thod of studying personality, 442. 
VerseEy, Dr. H. C., Tertiary geologi- 
cal history of E. Yorkshire, 376. 
VINCENT, Dr. D. M., Chemotherapy 
of bird malaria, 364, 495. 
VIRTANEN, Prof. A. I., Chemistry of 
grass crops, 365. 
Virus problem, by Dr. K. M. Smith, 
446, 499. 
Vitamin A in relation to pig feeding, 
by Capt. J. Golding and Dr. S. K. 
Kon, 472, 500. 
Wady Mughara Expedition, by Miss 
D.A. E. Garrod, 335. 
WALDSCHMIDT-LEITZ, Prof. 
Enzyme action, 361, 495. 
Wales, linguistic divides, by D. J. 
Williams, 403, 496. 
Watker, Dr. A. G., Geometry and 
relativistic cosmology, 354. 
Wa tker, Dr. S. L., Physical educa- 
tion, 466. 
Wattace, J. C., Potato cultivation 
in the Eastern Counties, 468. 
Wa ters, R. C. S., Underground 
water supply of Norfolk, Appdx.58. 
Warp, Dr. G., Roman colonia in 
Britain, 429*, 498 
E., 
