588 
Roacn (Dr. B. M. B.), Physiological 
studies of soil alga, 489, 507 (K 16). 
Road transport, by A. E. Berriman, 
463, 505 (G 4). 
Roar (Prof. H. E.), Analytical me- 
chanism of the Cochlea, *478. 
Measurement of colour-blindness 
in terms of wave-lengths, *480, 506 
(I 15). 
Oxygen content of methzemo- 
globin, *479, 506 (I 9). 
Roserts (R. W.), Magnetic rotary dis- 
persion in certain paramagnetic 
liquids, 431, 503 (A 23). 
Rozsertson (Prof. A.), on stress dis- 
tribution in engineering materials, 
345. 
Rock-salt deposits, British, by Dr. 
R. L. Sherlock, 442, 504 (C 9). 
Roman sites in Britain, Report of 
Committee to co-operate with local 
committees in excavations on, 413. 
Rossel island, inhabitants of, by W. E. 
Armstrong, 471, 506 (H 2). 
Rovuttepce (Mrs. Scoressy), Man- 
garevan folklore . . ., 472. 
Rubber, . . . resin of Hevea, by Prof. 
G. 8. Whitby, 432. 
RururrrorD (Sir E.), Llectrical struc- 
ture of matter, 1. 
Sataman (Dr. R. N.), on virus diseases 
of plants, 493. 
Satissury (Dr. E. J.), Plant distribu- 
tion in relation to acidity, 494. 
Sampson (Dr. J.), Origin and early 
migrations of gypsies, 474, 506 
(H 15). 
Samueu (T.), Qualifying and competi- 
tive tests for admission to secondary 
schools, 499. 
Sap from living leaves . . ., extraction 
of, by Prof. H. H. Dixon and M. G. 
Ball, 486, 507 (K 3). 
Saunpers (Miss E. R.), Evolution and 
reversion in Rhceadales, 485, 507 
(K 2). 
Scumipt (Dr. Jous.), Dana expeditions 
. . . life-history of the eel, *450. 
Science and the agricultural crisis, by 
Dr. C. Crowther, 273. 
Scostr (W. A.), Repeated bending of 
steel wire, 409. 
Scorr (Dr. D. H.), 
Stele, 490. 
Scort-Taccart (J.), Developments in 
wireless reception, 470, 506 (G 25). 
Seasonal changes in water in relation 
to alge plankton, by Dr. W. R. G. 
Atkins, 491, 507 (IX 25). 
Sepevien (Prof. J.), Composition of 
early bronzes, *476, 506 (H 24). 
Early history of 
INDEX. 
Seismological investigations, Report of 
Committee on, 283. 
Semmens (Miss E. S.), Biochemical 
effect of polarised light, 436, 504. 
(B 15). 
Sewarp (Prof. H. C.), 
floras of Greenland, 491. 
Sex-determination in mammals, value 
of sex-ratio at birth as determining, 
by Dr. A. S. Parkes, 455, 505 (D 31). 
Sex in the Salicacee . . ., by Dr. J. W. 
Heslop Harrison, 454. 
Sex-reversal in domestic fowl, by Dr. 
F. A. E. Crew, 454, 505 (D 26). 
Suaw (J. J.), on seismological investi- 
gations, 283. 
SHaw (Lady), on training in citizen- 
ship, 422. 
Suepparp (T.), List of papers bearing 
upon zoology, betany, and prehistoric 
archeology of British Isles (1922), 
515. 
Sueriock (Dr. R. L.), British rock-salt 
deposits, 442, 504 (C 9). 
Suerrineton (C. E. R.), . . . United 
States Transportation Act and 
British Railways Act, 459. 
SipewicK (Dr. N. V.), Bohr atom and 
periodic law, *432, 504 (B 6). 
Siju cave, fauna of, by Dr. Stanley 
Kemp, 456, 505 (D 33). 
Silurian rocks . . . Denbighshire 
moors, by Prof. P. G. H. Boswell, 
441. 
Single-bucket excavator, by W. Barnes, 
467, 505 (G 10). 
Starter (G.), Nordenskidld and neigh- 
bouring glaciers of Spitsbergen, 445, 
504 (C 12). 
Strr (Capt. J. A.), . . . Application 
of wireless telegraphy to mercantile 
marine, 466, 505 (G 9). 
Smarr (Dr. W. M.), Navigation, *424. 
503 (A 4). 
Smirn (Homes), on virus diseases of 
plants, *493. 
Smitn (T.), Apocoptic expansions, 426, 
503 (A 10). 
Smith (W. O. Lester), Older children 
in elementary schools, 496, 507 (1 3). 
Smoke abatement ..., by J. B. C. 
Kershaw, 467, 505 (G 11). 
Soil algz, physiological studies of, by 
Dr. B. M. B. Roach. 489. 507 (K 16). 
Soil sourness on plants. discussion on 
effect of. 494, 507 (K 33d). 
Soils of Wirral, by E. H. Rideout, 501. 
Sottas (Prof. W. J.), Miocene man, 
475. 
Soul, theories of the, by Dr, R. H. 
Thouless, *484, 506 (J 15). 
Spectra of lighter elements, discussion 
on, 430. 
Cretaceous 
