INDEX. 
Chromosomes and sterility in Muscari, 
by Miss E. M. Rees, 489. 
Chromosomes of Liliacee, by Mrs. N. 
Ferguson, 489. 
Chromosomes of Rosa, by Major C. C. 
Hurst, 489. 
Cuarke (G. R.), Ammonia and nitrate 
in woodland soils, *501. 
Cuarke (J. J.), Some factors relating 
to re-housing of slum-dwellers, 462, 
505 (F 10). 
Cuay (Prof. H.), Post-war wages prob- 
lems, 460, 505 (F 3). 
Cuayton (Dr. W.), on colloid chemistry, 
305. 
Curpsens (Dr. D. A.), Absorption of 
methylene blue by cotton, 436, 504 
(B 17). 
Ciover (F. H.), Electric ship propul- 
sion, 468. 
Coal Agreement of 1921, British, by 
J. A. Bowie, 462, 505 (F 9). 
Coal mines, safe method of lighting, 
by Prof. W. M. Thornton, 470. 
Coal-mining, psychological enquiry 
into, by E. Farmer, 483. 
-Cochlea, analytical mechanism of the, 
by Prof. H. E. Roaf, *478. 
Cohesion and molecular forces, discus- 
sion on, *432, 504 (B 1). 
Coxer (Prof. E. G.), Comparison of ex- 
perimental methods for obtaining 
stress at a point in a plate by optical 
and mechanical methods, *468, 506 
(G 17). 
—— on stress distribution in engineer- 
ing materials, 345. 
Cots (Prof. F. J.), Vascular system of 
myxine, 450. 
Colloid chemistry . -, Report of 
committee on, 305. : 
Colour blindness in terms of wave- 
lengths, measurement of, by Prof. 
H. E. Roaf, *480, 506 (I 15). 
Colour preference, by Dr. J. Drever, 
*484. 
eel Dr. N. M., Sourness of soils, 
95. 
Conference of Delegates, Report of, 
513. 
Connecting rods, strength of forked, 
by W. J. Kearton, 467, 506 (G 13). 
Contraction of plain muscle, experi- 
ments on, by Prof. C. Lovatt Evans, 
479, 506 (I 14). 
Conversion from alternating current to 
direct current . . ., by R. C. Mor- 
rison, 469, 506 (G 21). 
Coox (Prof. G.), Stresses in pipes re- 
inforced by steel rings, 345. 
Correman (Dr. S. Monckton), Diet and 
cancer, 479. 
_ CostER 
581 
Cornisu (Dr. VaucHan), Geographical 
position of the British Empire, 126. 
Correspondence principle, by Prof. N. 
Bohr, 428. 
Corresponding Societies 
Report of, 510. 
Cortre (Rev. A. L.), Series in mag- 
netic disturbances, 426, 503 (A 11). 
(Dr. D.), High-frequency 
spectra and theory of atomic struc- 
ture, 431. 
Cotton, by Dr. W. L. Balls, *492, 507 
(K 29). 
Cotton, absorption of methylene blue 
by, by Dr. D. A. Clibbens, 436, 504 
(B17). 
Cotton wax, by Dr. R. G. Fargher, 
436. 
Crawsnay (pe B.), 
Committee, 
Benjamin 
Harrison. . . , 477, 506 (H 26). 
Eoliths from South Ash pit, 477, 
506 (H 27). 
Cretaceous floras of Greenland, by 
Prof. A. C. Seward, 491. 
Crete as a stepping-stone of early cul- 
ture, by Sir Arthur Evans, 476. 
Crew (Dr. F. A. E.), Sex-reversal in 
domestic fowl, 454, 505 (D 26). 
Crosstanp (Miss), on the delinquent 
child, 498. 
CrowrHtr (Dr. C.), Science and the 
agricultural crisis, 273. 
Cunnincuam (J. T.), Origin of adapta- 
tions . . ., 447. 
Currents flowing between earth neutral 
of alternator and earth sheath of 
cable system, by Prof. E. W. 
Marchant, 468, 506 (G 19). 
Cycling at constantly maintained 
speed with varied brake, by Prof. 
J. S. Macdonald, 481. 
Cycling at varied rate and work, by 
Dr. F. A. Duffield, 481. 
Cytological demonstration, by Prof. 
C. E. Walker and Miss F. M. Tozer, 
*482. 
Dakin (Prof. W. J.), Food of aquatic 
organisms . . ., “450, 504 (D 15). 
and Burrrevp (S. T.), Attempt to 
influence sex of foetus by means of 
antibodies, *454. 
Darwin (Prof. C. G.), Recent work of 
Prof. A. H. Compton on scattering 
of X-rays, *424. 
Dawkins (Sir W. Boyp), 
villages in Somerset, 415. 
Dawson (Dr. S.), Variations in mental 
efficiency of children during school 
hours, *484, 506 (J 20). 
on lake 
