I20 
Trade associations and combina- 
tions, by A. B. Blake, 507. 
Tradition, what is?, by Rt. Hon. 
Lord Raglan, 145, 518*. 
Training in psychology, report on, 308. 
Traits, determination of unitary, by 
Prof. C. Spearman, 547. 
Traits, mutual independence of 
several sets, by Dr. S. S. Wilks, 
546, 616. 
Transmutation, atomic, discussion 
by Rt. Hon. Lord Rutherford. 
Dr. J..D. Cockcroft and Dr. E. 
T.S. Walton, Dr. M. L. Oliphant, 
P. I. Dee, 431, 610, 6117. 
Transplant experiments, report on, 310. 
Trees and countryside, by W. Dalli- 
more, 558. 
Trent Catchment Board, by W. H. 
Haile, 399. 
Tuberisation, by Miss E. N. Spar- 
shott, 556. 
Tucker, Dr. A. N., Primitive music 
in S. Sudan, 529. 
Two-factor theory, by Prof. C. 
Spearman, 545, 616. 
Typhula trifolii Rostrup, by Miss M. 
Noble, 553. 
U.S.A., metropolitan regions, by 
R. E. Dickinson, 502, 673. 
Uganda and Kenya, rainfall, by | 
Prof. Ll. R. Jones and F. H. W. 
Green, 497. 
ULLyorTT, P., Vertical movements of 
Zooplankton, 490*. 
Unemployment, engineering works | 
as cure, by Prof. M. Walker, 515, | 
615. 
Ur, archaic period, by Dr. C. L. 
Woolley, 528*. 
Urwick, Maj. L., Organisation as a 
technical problem, 506, 614. 
- Utricularia, entrance mechanisms of 
traps, by Prof. F. E. Lloyd, 183, 
554*. 
Vacuum tubes, high voltage, by Dr. 
T. E. Allibone, 452. 
VALENTINE, Prof. C. W., Develop- 
ment of language in child, 537, 626. 
Unreliability of entrance exam- 
inations, 566*, 678. 
INDEX 
Valonia, cell wall, by Dr. R. D. 
Preston, 428, 610. 
VAN DE GraarrF, Dr. R. J., Electro- 
static generation of high voltage 
for nuclear research, 427*. 
Engineering possibilities of 
electrostatics, 453. 
VaucuHaNn, Dr. W. W., Teaching of 
general science, 566*. 
VeEGARD, Prof. L., Auroral spectrum 
and upper atmosphere, 427, 6IT. 
Vegetable tanning process, by Dr. 
H. Phillips, 471, 612. 
VERNON, Miss M. D., Binocular 
vision of flickering fields, 548, 676. 
VERNON, Dr. P. E., Temperament 
and personality, 541, 626. 
VersEY, Dr. H. C., Red sedimentary 
rocks, 483. 
Vertebrates, origin of land-living, by 
Prof. D. M. S. Watson, 488*, 
613. 
Vertigo and disorientation, discus- 
sion by Dr. J. T. MacCurdy, 
Fl.-Lt. J. A.G. Haslam, Dr. T. G. 
Maitland, Sq.-Ldr. E. D. Dick- 
son, R. J. Bartlett, Dr. R. S. 
Creed, Sq.-Ldr. G. H. Reid, 530*, 
538, 616. 
Visual sensations,quantitative bright- 
ness, by F. H. Gage, 541. 
Vitamin action and bone formation, 
by Dr. L. J. Harris, 532, 616. 
VoKEs, F. C., Treatment and utilisa- 
tion of sludge, 514, 614. 
WacstTartfFeE, R., Zoology of Leicester- 
shire, Appdx. 33. 
Wales, hill forts and valleyward 
movements of population, by 
E. G. Bowen, 525. 
Watker, Dr. F., Crinanite dike of 
Maiden Island, 481. 
WatkerR, G., Division of function 
between road and rail, 506, 613. 
WALKER, Sir G. T., Seasonal weather 
and its prediction, 25, 430*. 
WALKER; Prof. M., Engineering 
works as cure for unemployment, 
515, 615. 
Watters, R. C. S., Pumping tests at 
new borings, 419. 
—— Gauging chalk wells over long ° 
periods, 419. 
