INDEX. 



565 



Privileges and limitations of visual 

 imagery, by Prof. T. H. Pear, 434, 4(59 



(Jl). 

 Protoplasmic structure and function 



. . ., by Dr. G. H. A. Clowes, *429. 

 Pseudo-Mongolian type in Central Africa, 



by Prof. C. G. Seligman, *421, 4G7 



(H23). 

 Pulling electrons from metals by intense 



electric fields, by Dr. R. J. Piersol, 359. 

 Pupils for auxiliary classes, Selection of, 



by Dr. S. B. Sinclair, 459, 469 (L 14). 

 Purposive Striving . . ., bv Prof. W. 



McDougall, 226. 

 Pyronema confluens . . ., Growth and 



reproduction in, by Dr. W. Robinson, 



444. 



Quantitative estimation of reducing 

 power of normal and cancer tissue, by 

 Dr. C. Voegtlin, Dr. J. M. Johnson, and 

 Miss H. A. Dyer, 429, 468 (I 20). 



Quantum theory of scattering of X-rays, 

 by Prof. A. H. Compton, *363. 



Quebec, visit to, 470. 



Quirke (Prof. T. T.), Correlation of Gren- 

 ville and Huronian rocks of S.E. 

 Ontario, 390, 466 (G 216, e). 



Races of man, Suggested arrangement of, 



by Dr. A. C. Haddon, 417, 467 (H 1). 



Racial characteristics emerging from 



' America's study of her immigrants, by 



Dr. Laughlin, *422. 

 Racial mental differences. Discussion on, 



439. 

 Radiant resistor furnace, by F. A. J. 



Fitzgerald, 376. 

 Radiation from a star, Theory of outflow 



of, by Prof. A. S. Eddington, 372. 

 Radiation pressure and equihbrium of 



solar chromosphere, by E. A. Milne,372 . 

 Radiation, Secondary and tertiary, by 



Prof. W. Duane, 363. 

 Railway transportation in Canada,, by 



Sir H. Thornton, 412, 467 (G 2). 

 Rainfall in relation to the wheat crop . . ., 



by R. A. Fisher, *463, 409 (M 12). 

 Rainmaking, by Prof. W. J. Humphreys, 



368, 464 (A 31). 

 Raman (Prof. C. V.), Scattering of 



light . . ., 369. 

 Ramulina, . . ., by Sir W. Herdman,404. 

 Rank in Polynesia, by Miss M. Mead, 421 . 

 Recording instruments . . ., by R. S. 



Whipple, *416, 467 (G 19). 

 Red paint people of Maine, by W. K. 



Moorehead, 420. 

 Reed (Dr. G. B.), Influence of salt and 



hydrogen ion concentration upon 



growth and structure of bacteria, 427. 



Religious complexes of North American 



Indians, by Mrs. R. F. Benedict, 419. 

 Rendle (Dr. A. B.), Early botanical 



exploration in British North America, 



*448. 

 Respiratory quotient . . ., by Prof. 



E. P. Cathcart, 432. 

 Respiratory variation of arterial blood 



pressure, by Prof. F. H. Scott, *427, 



468 (I 9). 

 Reverie and industrial fatigue, by Dr. 



E. Mayo, *442. 

 Reynolds (President J. B.), Agricultural 



education in Canada, 460. 

 Reynolds (J. H.), • . . Permanent com- 

 mittee on geographical names . . ., 



406, 466 (E 3). 

 Rhoades (Guy E.), Composition m art of 



North-West Coast Indians, 420 

 Richabdson (L. F.), Measurements of 



up-gradient of temperature . . ., *365. 



Turbulence and temperature-gra- 

 dient among trees, 364. 



Rideal (Dr. E. K.), Chemical union in 

 adsorption, *379. 



RiSHBETH (O. H. T.), Geographical con- 

 sequences of geology of Australia, 409. 



River-fisheries, Biological factors involved 

 in destruction of, by poUution . . ., by 

 Miss K. E. Carpenter, 403. 



RoBACK (Dr. A. A.), . . . Graphic inter- 

 ference, 442. 



Robertson (Prof. A.), Drop of stress at 

 yield point of ductile materials, 337. 



Effects of inaccuracy of axial load- 

 ing, 332. 



Robertson (Dr. G. Scott), . . . Rock 

 phosphates on soils poor in phosphoric 

 acid, 463. 



Robertson (Sir R.), Chemistry and the 

 State, 53. 



Robinson (Dr. W.), . . . Growth and re- 

 production in Pyronema confluens, 444. 



Rock phosphates on soils poor in phos- 

 phoric acid . . ., by Dr. G. Scott 

 Robertson, 463. 



Roman road system . . ., by Dr. T. 

 Ashby, *418, 467 (H 7). 



Rose (Prof. H. J.), Bride of Hades, 419, 

 467 (H 11). 



Rosenberg (Prof. 0.), Cytological basis 

 for production of species by hybridisa- 

 tion, 453. 



RoxBY (Prof. P. M.), Distribution of 

 population in China, 409, 466 (E 19). 



Rural dwellings and communities of rural 

 Scotland, by A. Stevens, 410. 



Russell (Prof. H. N.), Spectrum of 

 titanium, *359. 



Russell (Sir J.), Present-day problems in 

 croji production, 256. 



Russell (Prof. J. W.), . . . Recent ex- 

 tinction of American mastodon, 385. 



