INDEX 
Polar Year Expedition to Fort Rae, 
by J. M. Stagg, 272. 
Pollination in conifers, by Prof. J. 
Doyle, 387, 471. 
Population changes in Aberdeen- 
shire, by A. C. O’Dell, 335. 
Population changes in Wessex in 
twentieth century, by Miss F. C. 
Miller, 337. 
Population distribution in India, 
1931, by J. N. L. Baker, 334*. 
Population maps, by A. Farquharson, 
417. 
Post-primary education, develop- 
ment during present century, 
discussion by F. R. G. Duck- 
worth, W. W. McKechnie, Dr. C. 
Norwood, Sir J. C. Stamp, H. T. 
Tizard, Dr. W. W. Vaughan, Sir 
R. Gregory, 394, 472. 
Posture, regulation of heart-beat and 
blood pressure by, by Prof. J. A. 
MacWilliam, 369, 470. 
Potato tubers, effect of carbon 
monoxide on, by W. A. Clark, 382. 
Poutton, Dr. E. P., Heat produc- 
tion in man, 366, 470. 
Practice and fatigue in manual pro- 
cess, by L. I. Hunt, 374. 
PRIESTLEY, Prof. J. H., Vessel 
differentiation in Angiosperms, 
385, 471. 
Productivity, inheritance, discussion 
by J. Hammond, A. D. B. Smith, 
Dr. A. W. Greenwood, Dr. J. E. 
Nichols, Dr. J. L. Lush, 320, 
466, 467. 
Projective relativity, by Dr. J. H.C. 
Whitehead, 279 
Protective colouration in _ insects 
with special reference to mimicry, 
by Prof G. D. Hale Carpenter, 
319. 
Protoplasm, structure, by Prof. W. 
Seifriz, 382*, 471. 
Pseudopodial structure in Formini- 
fera, by Dr. H. Sandon, 318, 466. 
Psychiatric aspect of child guidance, 
by Dr. D. R. MacCalman, 396. 
Psychological and child guidance 
clinics, discussion by Prof. J. 
Drever, Dr. D. R. MacCalman, 
R. Knight, Dr. Mary M. Mac- 
Taggart, Dr. C. W. Kimmins, 
Dr. R. B. Cattell, 378*, 396, 472. 
141 
Psychological and _ physiological 
development of child and adoles- 
cent, and claims made on educa- 
tion, by Col. C. J. Bond, 395, 
472. 
Psychological aspects of ‘ laissez- 
faire ’ in education, by Dr. O. A. 
Oeser, 380, 471. 
Psychologist, place in educational 
system, by Dr. R. B. Cattell, 379. 
Psychology and social problems, by 
Dr. S. Dawson, 183, 375*. 
Psychology of needs, by Prof. D. 
Katz, 381, 470. 
Psychotic patients, association tests, 
by R. J. Bartlett, 372. 
Publication, references to, 463. 
Quantum theory of free path, by 
Prof. C. G. Darwin, 278. 
Quantum theory of metals, by Prof. 
R. H. Fowler, 277. 
Radiation from non-luminous gases, 
by Dr. Margaret Fishenden, 284, 
464. 
Rag, Prof. R., Systems of rearing and 
feeding for production of young 
beef, 400, 473. 
Racuan, Rt. Hon. Lord, Cult of 
animals, 359, 469. 
Rail transport, future, by H. M. 
Hallsworth, 119, 339*- 
Railway transport, refrigerated, by 
F. C. Johansen, 287, 464. 
Rainfall of China, by W. Smith, 
330. 
Rainfall probability in High Plains 
region of U.S.A., by P. R. Crowe, 
330, 467. 
Ralstrick, Dr. A., Microspores of 
Carboniferous coals, 310. 
Raitt, Dr. D. S., Fishing intensity 
and stock replenishment in had- 
dock, 316, 466. 
RAMSBOTTOM, J., Fungi and forestry, 
38x*. 
Rat, maternal drives in, by Dr. B. P. 
Wiesner, 380, 471. 
RaTcLiFFE, J. A., Ionosphere, 270, 
463. 
Rattray, Capt., R. S., Future of 
anthropology in Africa or else- 
where, 354. 
