INDEX. 
BemMeELEN (Prof. J. IF. van), Colour- 
markings of mimetic butterflies, 422. 
Burry (Prof. R. A.),... Whey, *457. 
BEvVERIDGE (Sir W.), on vocational train- 
ing and tests, 455. 
BickerstaetH (Miss E. M.), Coloured 
thinking, *450. 
Bjerkne’s theory of cyclones and anti- 
cyclones, by Capt. C. K. M. Douglas, 
*410. 
Black earth region of Central Russia, 
Historical geography of, by Miss A. 
M. B. Gillett, 429, +465 (E 3). 
Backer (Capt. L. V. 8.), Fresh ground 
in Turkistan and Khorasan, 429, 
7465 (E 4). 
Buiepistor (Lord), Wheat as basis of 
Britain’s food supply in time of war, 
459, +467 (M14). 
Bons (Prof. W. A.), on fuel economy, 243. 
Bortuwick (Dr.), Forest protection, 451. 
Botanical Section: Address by Dr. D. H. 
Scott, 170. 
Brace (Prof. W. L.), on structure of 
molecules, 470. 
Breathing, Effects of resistance on. . ., 
by Prof. J. Meakins, *446. 
BREEZE (Miss M. 8S. G.), Degeneration in 
anthers of petals, 462, +467 (M 22). 
BrencwLtey (Dr. Winifred), Long-con- 
tinued manuring on grassland, *457. 
Briees (G. E.), Dr. F. Kipp, and Dr. 
C. WEST, Quantitative study of growth 
of Helianthus annuus, *454, +467 
(K 216). 
Bricges (Prof. H.), on physiology of 
heavy muscular work, 446, +466 (I 14). 
Rescue apparatus for use in mines, 
437, +466 (G 23). 
Briaes (Dr. 8. H. C.), on structure of 
molecules, 472. 
British finance, 1914-21, ed. Prof. A. W. 
Kirkaldy, 465. 
British flora, distribution of certain 
elements of, by — Matthews, *452. 
British labour, 1914-21, ed. Prof. A. W. 
Kirkaldy, 465. 
Bronze Age implements, Report of com- 
mittee on distribution of, 359. 
Brown (Prof. G. Baldwin), . . 
lithic art, 438, +466 (H 3). 
Brown, Dr. W., Psychoanalysis and 
suggestion, 448. 
Brownz (F. Balfour), Sapyga 5-punctata, 
425. 
Bryce (Prof. T. H.), on origin of Scottish 
people, 441. 
Bourcsss (H.), on non-aromatic diazonium 
salts, 247. 
Burgittr (M.), Discovery in upper 
paleolithic cave art, 438, +466 (H 4). 
Butterflies, colour-markings of mimetic, 
by Prof. J. F. van Bemmelen, 422. 
. Palzo- 
5D1 
CapELL (H. M.), Evidence from recent 
bores in carboniferous rocks of Scotland, 
*419, 
Calorimetry to ruminants, Application of 
indirect method of, by Dr. J. B. Orr, 
460, +467 (M 19). 
Cannan (Prof. E.), Application of 
theoretical apparatus of supply and 
demand to units of currency, 433. 
Cannon-ball tree, Floral morphology of 
. . «, by Prof. McLean Thompson, 452, 
+466 (K 9). 
Carboniferous rocks of Scotland, Evidence 
from recent bores in, by H. M. Cadell, 
*419, 
Carnegie Institution of Washington, 
work in the Pacific, by F. A. Potts, 424. 
CARPENTER (Prof. G. H.), Warble-flies, 
424, 
Casson, S., Excavations in Macedonia, 
442, +466 (H 9). 
Cat, male tortoiseshell, . . ., by Ruth C. 
Bamber, 420. 
Cell form and size in Vicia Faba, by Prof. 
R. H. Yapp and Miss N. Boycott, 
*453. 
Census reports, Recent, in relation to 
large towns of Great Britain, by C. B. 
Fawcett, *430. 
Centrifugal pumps, by Dr. 8. F. Barclay, 
436, 465 (G16). 
Ceremonial and mystic avoidance of 
contact with ground, by F. W. H. 
Migeod, 443, 7466 (H.5). 
Change of hue caused by addition of 
white light to spectral colours, by Dr. 
F. W. Edridge-Green, 447, +466 (I 15). 
Charts and pictures for use in schools, 
Report of committee on, 376. 
CuHaTtaway, Dr. F. D., on non-aromatic 
diazonium salts, 247. 
Chemical Section : Address by Dr. M. O. 
Forster, 36. 
Citric solubility of mineral phosphates, 
by Dr. J. F. Tocher, *457, +467 (M 7a). 
Cogle, Brock of, by A. Sutherland, 444, 
7466 (H 20). 
Coker (Prof. E. G.), and Dr. P. Hry- 
MANS, Stress concentrations due to 
notches and like discontinuities, 291. 
Couuet (Prof. L. W.), Alpine tectonics, 
*419, 7464 (C5). 
—— Origin of Swiss Lakes, *419, +464 
(C 2). 
Colour discrimination, Testing of, by 
Dr. J. H. Shaxby, *447. 
Coloured thinking, by Miss 
Bickersteth, *450. 
Conference of Delegates of Corresponding 
Societies, Address by Sir R. Gregory, 
488, Report, 497. 
Consciousness and the Unconscious, by 
Prof. C, Lloyd Morgan, 143. 
E. M. 
