134 
Personality and age, by Dr. LI. 
Wynn Jones, 157, 437*. 
Personality, matching method of 
studying, by Dr. P.E. Vernon, 442. 
Perception of distance, by Miss 
M. D. Vernon, 439. 
PETERSON, Dr. J. M., Relation of 
pituitary to carbohydrate meta- 
bolism, 433. 
PuiiLuips, Miss A., Discipline, 461. 
Puituips, Dr. E., Sequence defined 
by quadratic recurrence formula, 
356. 
PuILpotTt, Dr. S. J. F., Problems in 
output and oscillation, 441. 
Photo-electric effect, nuclear, by M. 
Goldhaber, 346, 494. 
Physical postulates and mathematical 
axioms in mechanical theories, by 
Prof. W. H. McCrea, 352. 
PICKARD-CAMBRIDGE, Dr. A. W., 
Education and freedom, 189, 460*. 
Pig anemia, by Dr. H. H. Green, 
473. 
Pig, protein requirements, by Dr. C. 
Crowther, 472. 
Pig, vitamin A in relation to feeding, 
by Capt. J. Golding and Dr. S. K 
Kon, 472, 500. 
Pigmentation in a Nordic group, by | 
Dr. M. A. MacConaill and Dr. 
F. L. Ralphs, 426, 498. 
Pituitary body and diencephalon, by 
Prof. P. T. Herring, 143, 433*. 
Pituitary, relation to carbohydrate 
metabolism, by Dr. J. M. Peter- 
son, 433. 
Pituitary, relation to hypothalamus, 
by Dr. J. Beattie, 433. 
Pituitary, relation to reproduction, 
by Dr. A. S. Parkes, 433*. 
Plankton of North Sea and herring 
fishery, by R. S. Wimpenny, 387. 
Plant pathology, some aspects, by 
F. T’. Brooks, 169, 450*. 
Plummer, Dr. A., British air trans- 
port, 410, 497. 
Poetry, contemporary English, psy- 
chological characteristics, by Dr. 
G. Seth, 442. 
Polar regions, some aspects of, by 
Prof. F. Debenham, 79, 397*. 
Polysaccharides in immunological 
specificity, by Dr. W. T. J. 
Morgan, 358. 
INDEX 
Polyzoa, demonstration by H. E. 
Hurrell, 396*. 
Potato cultivation in the Eastern 
Counties, by J. C. Wallace, 468. 
PouLTon, Prof. Sir E. B., on Gala- 
pagos Islands, 387*, 496. 
PouLTon, Dr. E. P., Applications of 
a new study of heat production in 
man, 432, 498. 
Power, utilisation in farming, by 
R. T. Proctor, 468, 500. 
Prehistory of Norfolk, by J. E. Sainty, 
Appdx. 60. 
PRENTICE, J. P. M., Discovery of 
Nova Herculis (1934), 350*, 494. 
Presidential Address, The, by Prof. 
W. W. Watts, r. 
Probability theory, réle in control of 
‘ quality in production, by Dr. E.S. 
Pearson, 412. 
Proctor, R. 'T., Utilisation of power 
in farming, 468, 500. 
Proof, psychology of, by C. A 
Claremont, 438. 
Protective colouration and _ psy- 
chology of perception, by Dr. 
R. H. Thouless, 385. 
Proteins of grasses, by Prof. A. C. 
Chibnall, 365. 
Psychological approach to problems 
of road accidents, by Dr. C. S. 
Myers, 419. 
Psychology, help in choice of a career, 
by Dr. C. S. Myers, 487. 
Psychology, industrial, applied to 
agriculture, by J. R. Jennings, 
440, 499. 
Psychology in training and work of 
teachers, discussion by Prof. J. 
Drever, Prof. H. R. Hamley, 
A.W. Wolters, Miss E. D. Davies, 
Miss A. Lloyd Evans, N. F. 
Sheppard, Dr. C. W. Kimmins, 
Miss Winnington-Ingram, 439%, 
461. 
Purbeck and Ridgeway faults in 
Dorset, by Dr. W. J. Arkell, 377. 
Pyranose ring, crystallographic evid- 
ence on form of, by E. G. Cox, 
359, 495. 
Radio-activity, induced, production 
on protons and deuterons, by 
Dr. J. D. Cockcroft, 346*, 494. 
