INDEX. 
References to addresses, reports, and papers printed in extended form are given in italics. 
* Indicates that the title only of a communication is given. 
References followed by entries thus (D 22) ar» to publication of a paper, or to the su ject 
thereof, elsewhere, the letter and figure indicating the section and number of the 
communication in the sectional programme. 
Asrerr (R.), Angle of contact-varia- 
tions with relative motion of solid 
and liquid, 431, 503 (A 24). 
Absorption of ions by plants in relation 
to soil problems, by Prof. D. R. 
Hoagland and Dr. A. R. Davis, 
*502. 
Activation of hydrogen in organic com- 
pounds, by Miss EK. Usherwood, 433, 
504 (B 10). 
Adaptations, origin of, . . ., by J. T. 
Cunningham, 447. 
Address by -the President, 
Rutherford, 1. 
Adsorption films, by Prof. W. Rams- 
den, *482. 
A®gean coast, north, in the Bronze 
Age, by 8. Casson, 475. 
Aeration of roots, response of plants 
to. .., by Dr. R. C. Knight, 495. 
Agriculture, Discussion on economic 
outlook for British, 501. 
Sir i. 
Apocoptic expansions, by T. 
426, 503 (A 10). 
Smith, 
| Aquatic organisms, food of, by Prof, 
W. J. Dakin, *450, 504 (D 15). 
ARDEN-Woop (W. H. H.), Changes in 
courses of rivers in... India in 
their relation to man . . ., *459, 505 
(E 14). 
Arithmetic, evolution of . . ., by Prof. 
C. A. Brodie Brockwell, 472. 
Armustrone (Dr. E. F.), Enzymes, 434 
Armstronc, W. £., Inhabitants of 
Rossel Island, 471, 506 (H 2). 
Asuey (A. W.), on economic outlook for 
British agriculture, 501. 
Asuworrte (Prot. J. H.), Life-history 
and affinities of Rhinosporidium, 451, 
504 (D 18). 
—— Modern zoology .. ., 
-—— on Naples table, 318. 
108. 
Astron (Dr. F. W.), Determinations of 
Arey (Dr. J. R.), on mathematical — 
tables, 287. 
Air transport, by Sir 8. Brancker, 464. 
Alumosilicates, by Prof. W. Vernad- 
sky, 435. 
Ammonia and nitrate in woodland soils, 
by G. R. Clarke, *5v1L. 
Angle of contact-variation with rela- 
tive motion of solid and liquid, by 
R. Ablett, 431, 503 (A 24). 
Angus (T. C.), Recording katather- 
mometer, 478. 
Anthropological teaching, Report of 
Committee on progress of, 416. 
Antibodies, Attempt to influence sex 
of foetus by means of, by Prof. 
W. J. Donkin and S. T. Burfield, 
#454. 
Antibodies, failure of attempts to in- 
troduce eye-defects by, by J. 5. 
Huxley and Prof. A. M. Carr- 
Saunders, 455, 505 (D 29). 
Aphids with complex life-cycles, evolu- 
tion of, by E. R. Speyer, 452. 
constitution of elements by method 
ot accelerated anode rays, *431, 503 
(A 22). 
Arxins (Dr. W. R. G.), Seasonal 
changes in water in relation to algal 
plankton, 491, 507 (K 25). 
and Frenron (E. W.), Hydrogen 
in concentration of soil in relation 
to distribution of pasture plants, 503, 
507 (M 13). 
Atmosphere, Energy of circulation of, 
by Capt. D. Brunt, 425. 
Atoms, structure of .. ., by Prof. P. 
Langevin, 510. 
Australian railway development, by 
O. H. T. Rishbeth, 458, 505 (E 6). 
Baker (J. N. L.), Geographical factors 
in development of irrigated lands, 
459. 
Baker (J. R.), Genetic intersexuality in 
pigs, 455. 
Batis (Dr. W. 
(K 29). 
Banister (H.), Relation of phase and 
pitch in localisation of tones, 483 
506 (J 9). 
L.), Cotton, *492, 507 
Qa3 
