504 



INDEX. 



♦Dairying, the outlook in, by J. Mackin- 

 tosh, 383. 



Dalbv (Prof. W. E.) on stress distri- 

 bution in ewiineering materials, 465. 



Daniell (G. F.), continuation schools : 

 the problem in rural districts, 357. 



Darwin (Sir Horace) on seismological 

 investigations, 35. 



on the determination of gravity at 



sea, 83. 



*Davey (Miss A. .!.), the efEect of pre- 

 servatives on the antiscorbutic sub- 

 stance of lemon juice, 313. 



David (Prof. T. W. Edgeworth) on 

 Australian fossil plants, 124. 



Davies (Miss A. C.) and Prof. F. Hobton, 

 the ionisation of argon and helium 

 by electron collisions, 153. 



Davisox (Dr. C.) on seismological in- 

 vestigations, 35. 



Death ritual in Eddystone Island of 

 the Solomons, by A. M. Hocart, 286. 



fDELF (Dr. E. M.), the effect of heat on 

 the antiscorbutic principle in expressed 

 juices of fruits and vegetables, 313. 



tDESDY (Prof. A.), grain pests and the 

 storage of wheat, 211. 



*Desch (Prof. C. H.), metallurgy during 

 the war, 168. 



Desert flora of Western Egypt, the, Capt. 

 H. Hamshaw Thomas on, 332. 



Devolution in England, some geo- 

 graphical asj)ects of, by C. B. Fawcett, 

 228. 



Devonian rocks of North Devon, the, 

 the correlation of, with those of other 

 localities, by Dr. J. W. Evans, 194. 



D'Eyncourt (Sir E. T.), account of 

 the British tanks used in the war, 263. 



Diamonds in the Gold Coast, British 

 West Africa, the discovery of by A. E. 

 Kitson, 197. 



Diffraction of electric waves, the, bv 

 Dr. G. N. Watson, 152. 



Dr. B. van der Pol on, 152. 



Discussions : — 



On thermionic tubes, 148. 



On relativity, 156. 



On geographical aspects of evolution, 



228. 

 *0n the role of the capillaries in the 



regulation of the blood flow, 308. 

 On the teaching of science, 336. 

 On forestry problems, 337. 

 *0n the teaching of English, 353. 

 On the method and substance of science 



teaching, 354. 

 On business in relation to education, 



355. 

 On continuation schools, 356. 

 Oil training in citizenship, 360. 

 On fundamental principles in education, 

 361. 



*0n the present position of private 

 schools, 362. 



Distillation of aqueous solutions of related 

 organic substances, by Dr. Joseph 

 Reilly and Wilfred J. Hickinbottom, 

 170. 



DiXEY (Dr. F. A.), Address to the 

 Zoological Section, 1S9. 



Dodecanese, the, by O. H. T. Rishbeth, 

 225. 



DuFFiELD (Prof. W. G.) on the deter- 

 mination of gravity at sea, 83. 



on the establishment of a solar 



observatory in Australia, 96. 



Dynamical similarity, the 'princijde of, 

 applied to deformable elastic structures, 

 by Prof. L. N. G. Filon, 475. 



Dyson (Sir F. W.) on seismological in- 

 v.estigations, 35. 



on radiotelegraphic investigations, 40. 



on geophysical discussions, 81. 



e/m, a wireless method of measuring, 

 by Dr. R. Whiddington, 149. 



Eccentric loading in tension and com- 

 pression tests, by W. A. Scoble, 479. 



EccLES (Prof. W. H.) on radiotelegraphic 

 investigations, 40. 



on thermionic tubes, 148. 



and F. W. .Jordan, a method of 



using two triode valves in parallel for 

 generating oscillations, 270. I 



Echinus miliaris, further experi - 1 

 ments in the artificial production of a 

 double hydroccele in the larvm of, 

 by Prof. E. W. MacBride, 207. 



Economic Science and Statistics, Addreae 

 to the Section of, by Sir Hugh Bell, 232. 



Eddington (Prof. A. S.) on radio- 

 telegraphic investigations, 40. 



on the determination of gravity at 



sea, 83. 



and E. T. Cottikgham, photo- 

 graphs taken at Principe during the 

 total eclipse of the sun. May 29, 156. 



Education, fundamental principles in, 

 discussion on, 361. 



Prof. A. N. Whitehead on, 361. 



the literary aspect of the 



question, F. S. Preston on, 361. 



the function of examinations 



in education, by Prof. M. Hartog, 362. 



Educational Section, Address by Sir 

 Napier Shaw to the, 342. 



Egypt, Western, the desert flora of, 

 Capt. H. Hamshaw Thomas on, 332. 



Electric waves, the diffraction of, 

 by Dr. G. N. Watson, 152. 



Dr. B. van der Pol on, 152. 



♦Electrical treatment of seeds, the, by 

 Dr. A. M. Blackburn, 383. 



