INDEX. 
Povuuton, Prof. E. B., A hundred years of 
evolution, 71, 394*. 
Poutton, Dr. E. P., Physiological basis 
of sensation, 458*. 
Power, by Sir J. A. Ewing, xxvi*, 122, 
435*. 
Predissociation structure of special mole- 
cules, by Prof. V. Henri, 366*, 567. 
Prisestury, Prof. J. H., on Upland bog 
waters, 290. 
Phyllotaxis, 480, 577. 
Polarity in cutting propagation, 523, 
572. q 
PritcHaRrD, Dr. E. E. E., Nuer of Nilotic 
Sudan, 456*. 
Prospecting, discussion on geophysical 
methods by Prof. A. S. Eve, Prof. A. O. . 
Rankine, Prof. Mintrop, K. Sundberg, 
A. B. B. Edge, Dr. J. H. Jones, L. Jones, 
Capt. Shaw, 329. 
Psychological problems in government of 
native races, by Prof. F. C. Bartlett, 
469*. 
Psychology of early childhood, by Prof. 
C. W. Valentine, 466. 
Puberty rites in Northern Solomons, by 
Miss B. Blackwood, 441, 569. 
Purser, G. L., Vertebrate embryology, 
397*. 
QuieLey, H., Utility of trade barometers, 
427, 568. 
Rapcuirre-Brown, Prof. A. R., Present 
position of anthropological studies, 141, 
441*. 
Radiometer force, by Prof. 
Knudsen, 332, 566. 
Radio research in British Empire, by 
R. A. W. Watt and O. F. Brown, 356. 
Raewtan, Rt. Hon. Lord, Education of 
backward peoples, 505*. 
Railways as consumers of timber, by 
J. 8. Corbett, 498, 571. 
Ramsportom, J., Training of botanists, 
487. 
Ranking, Prof. A. O., Geophysical 
methods of prospecting, 329*. 
RapuakEt, Mrs., Industrial psychology in 
U.S.S.R., 479. 
Rationalisation of distribution,  dis- 
cussion by Sir R. W. Cohen, E. B. 
Gordon, Maj. L. Urwick, 426*, 568. 
Raw material supplies, artificial control, 
by J. W. F. Rowe, 419. 
Reap, Prof. J., Menthone and hydro- 
benzoin series, 366*, 567. 
Receptions, xxvi. 
Regering, Dr. E. H., Isolation of crystal- 
line antirachitic reaction-product from 
irradiated ergo-sterol, 364, 567. 
1931 
Dr. M. 
625 
Regs, Dr. J. R., Clinics and child guid- 
ance, 507*. 
Refrigerants, thermo-physical properties, 
by Dr. E. Griffiths and J. H. Awbery, 
330, 566. 
Rerean, Dr. C. T., Classification with 
reference to phylogeny and con- 
vergence, 398*. 
Regression, phenomenal, by Dr. R. H. 
Thouless, 469, 570. 
Relativistic wave equation, by Dr. G. 
Temple, 349. 
Reur, E. F., Wind tunnel at National 
Physical Laboratory, 434, 569. 
Religious service, St. Paul’s Cathedral, 
Xxix. 
Report of Council, 1930-31, lx. 
Research committees, liv. 
Resolutions and recommendations, lix. 
Resuscitation, discussion by Sir E. 
Sharpey-Schafer, Prof. Y. Henderson, 
Prof. J. S. Haldane, Dr. C. K. Drinker, 
Sir F. Shipway, Sir B. Spilsbury, Prof. 
J. A. Gunn, 463. 
Rhenium, chemistry of, by Prof. H. V. A. 
Briscoe, 366*, 567. 
Rhythmization in motor task, by D. W. 
Harding, 475. 
Ricwarps, F. J., Climatic changes in 
paleolithic India, 443. 
Ricnarps, Dr. O. W., Geographical races 
and evolution, 401*. 
Ricuarpson, Prof. A. R., Non-com- 
mutative algebra, 348. 
Ricwarpson, Prof. J. H., 
incentives, 423, 568. 
Rivers, Dr. T. M., Nature of animal 
viruses, 460. 
Rivers-Smitu, §., Education of back- 
ward peoples, 504. 
Roar, Prof. H. E., Physiological basis of 
sensation, 458*. 
Rossins, C., Labour incentives, 422*, 
568. 
RoBERTsON, Sir C. G., Hducational develop- 
ment, 1831-1931, 215, 499*. 
Ropertson, T. S., Plastic strain and 
fatigue in mild steel, 440*, 569. 
Rosryson, Prof. R., Chemistry of 
vitamins, 364*, 567. 
Rosrinson, Sir R. L., Empire forestry in 
last decade, 496*, 577. 
Roveer, Sir A., Forestry in Empire during 
last 100 years, 493, 571. 
Root contraction in oxalis, by Prof. D. 
Thoday and Miss A. J. Davey, 481, 571. 
Roscor, F., School broadcasting, 508*. 
RosrensiartT, Prof. <A., Stability of 
laminary movements, 347, 567. 
Rosenuwarn, Dr. W., Metals and alloys in 
relation to engineering progress, 433*, 
569. 
Labour 
SS 
