INDEX. 561 
Human-use versus natural regions . . ., | Ivy (Dr. A. C.), Dr. R. K. S. Lim, and 
by W. L. G. Joerg, 409, 466 (E 23). Dr. J. E. McCarrny,... Gastric 
Home (Dr. G. S.), Liquid fuels in Canada, secretion, 426, 468 (I 8). 
377. 
Humour in children . . ., by Dr. C. W. 
Kimmins, *456. 
Humpnreys (Prof. W. J.), Rainmaking, | Jackson (J.), Photographic proper 
368, 464 (A 31). 
—— Relation of wind to height, 364, 
464 (A 20). 
Huntoon (L. D.), Gold production in 
Canada, *385. 
Huntsman (Prof. A. G.), Circulation of 
water off Canadian Atlantic coast, 401. 
—— Limiting factors in distribution of 
marine animals, 401. 
Horecntnson (Prof. A. H.), Age and rate 
of growth of British Columbia trees in 
relation to ecological factors, 453. 
Houxtey (J. 8.), Linkage in Gammarus 
chevreuxi, 397, 466 (D 5). 
Hybrids between British and Canadian 
Lepidoptera, by Dr. J. W. Heslop 
Harrison, 398. 
Hydro-electric development, Economic 
aspect of . . ., by H. Freeman, 376. 
Hydro-electric Power Commission of 
Ontario, by F. A. Gaby, 413, 467 (G5). 
Ideational processes and _ intelligence 
. . ., by Prof. J. P. Porter, *442. 
If the earth went dry, by Sir N. Shaw, 
362, 464 (A 12). 
Immigration from a biological point of 
view, by Dr. H. H. Laughlin, *409. 
Instincts, Classification of, by Prof. W. 
Tait, 435. 
Insulin . . ., Chemistry of, by Dr. P. J. 
Moloney and Dr. D. M. Findlay, 432. 
Insulin, Effects of large doses of, on dogs, 
by C. H. Best and R. G. Smith, 431. 
Insulin . . ., Physiological action of, by 
Prof. J. J. R. Macleod, Miss K. 
O’Brien, and J. Markowitz, 431. 
Inter-racial problems and white coloniza- 
tion in the tropics, by Prof. J. W. 
Gregory, 125. 
Intracellular digestion in vertebrates, by 
Dr. F. A. Potts, 396. 
Todothyroglobulin . . ., Activity of, by 
Prof. A. T. Cameron, Dr. T. Ingvaldsen, 
and Dr. J. Carmichael, 425. 
Iowa . . ., Glacial deposits in, by Dean 
G. F. Kay, 381, 465 (C 4). 
Troquoian culturesin Ontario and Quebec 
. . .» by W. J. Wintemberg, 420. 
Irvine (Principal), on Photo-synthesis, 
478. 
Isomerism of oximes, by Dr. F. W. Atack, 
*376, 465 (B 4). 
Italy, Recent discoveries in, by Dr. T. 
Ashby, *418, 467 (H 6). 
1924 
motions of faint stars, 374. 
Jamaica, Recent geological work in, by 
Dr. C. A. Matley, 391. 
Jaspur (Prof. T. M.), Measurement of 
quenching stresses in steel, *415, 467 
(G 13). 
JEFFREY (Prof. E. C.), Present status of 
biogenetic law, 446. 
JEFFREYS (Dr. H.), Tidal friction, *365, 
464 (A 23), 
Jenks (Prof. C. F.),... Fatigue panel 
of Aeronautical Research Committee, 
414, 467 (G 9). 
JENNESS (D.), Ancient education of a 
Carrier Indian, *422. 
Jorra (W. L. G.), Human-use versus 
natural regions . . ., 409, 466 (E 23). 
Jones (Prof. O. T.), Llandovery rocks of 
Llandovery, 394, 466 (C 26). 
Ordovician-Silurian boundary in 
Britain and N. America, 393, 466 
(C 25). 
Kay (Dean G. F.),.. . Glacial deposits in 
Towa, 381, 465 (C 4). 
Keeley Mine. .., by Dr. J. M. Bell and 
Prof. E. Thompson, 382, 465 (C€ 11). 
Ketiy (C. F.), Mineral detection by 
means of its electrical activity, *385. 
KENDALL (Prof. J.) and B. L. CLarxn, 
. . . Separation of elements of rare 
earths, 375. 
KENDALL (Prof. P. F.), on characteristic 
fossils, 297. 
Kenrick (Prof. F. B.), Light-scattering 
of aqueous salt solutions, 370, 465 
(A 346). 
Traces of colloids 
water, 379, 465 (B 14h). 
Kentucky, Glacial phenomena in, by 
Mr. Leverett, *385. 
Ketolytic (antiketogenic) action of sugars 
in vitro, by Dr. P. A. Shaffer, 431, 
468 (I 26). 
Kidney, Variations in, related to dietary 
factors, by Prof. L. B. Mendel, Prof. 
T. B. Osborne, Prof. E. A. Park, and 
Dr. M. C. Winternitz, 434. 
Kimsatt (Prof. H. H.), Determination of 
daylight intensity .. ., 368, 464 (A 30). 
Kimmins (Dr. C. W.) . . ., Humour in 
children, *456. 
Kinbte (EK. M.),. . . Sedimentation... 
Atlantic coast of North America, 391. 
00 
in distilled 
