INDEX. 



831 



^Peaece (S. !..)> the Manchester electrical 

 undertaking and the projected Barton 

 station, ()42. 



*Pennatidacea, the geographical distribu- 

 tion of the, by Prof. S. J. Hickson, 

 473. 



*Periodic law, the, and radioactive ele- 

 ments, discussion on, 366. 



* Prof. F. Soddy on, 300. 



Periodicity, the, due to coppicing, ex- 

 hibited by the ground flora of oak- 

 hornbeam woods on clays and loams, 

 by Dr. E. J. SaHsbury, 720. 



Peekin (Prof. W. H.) on the study of 

 Jiydroaromatic suhftavccs, 79. 



Perry (Prof. J.) on seismological investi- 

 gations, 52. 



on stress distributions in engineering 



materials, 159. 



on the work of the Correspondijig 



Societies Committee, 781. 



Perry (W. J.) on the influence of Egyp- 

 tian civilisation on the world's culture, 

 669. 



Perseveration, by LI. Wynn Jones, 698. 



Petavel (Prof. J. E.) on the investigation 

 of the upper atmosphere, 38. 



on gaseous explosions, 158. 



on stress distributions in engineering 



materials, 159. 



and Prof. G. Asakawa. experimental 



investigation of the thermal efficiency 

 of a gas engine, 637. 



Petrie (Prof. W. M. Flinders), Egyptian 

 jewellery, 070. 



♦Philosophy and the war, by Dr. Wildon 

 Carr, 691. 



Phylogeny of the parasite, the, the rela- 

 tion of, to that of the host, by L. Harri- 

 son, 476. 



Physical and Mathematical Section, 

 Address bv Sir F. W. Dyson to the, 

 357. 



Physical characters of the ancient Egyp- 

 tians, report an the, 189. 



Physiological Section, Address by Prof. 

 W. M. Bayliss to the, 679. 



Plankton, the, collected during the 

 journey to Australia and back in 1914, 

 Prof. W. A. Herdman and Andrew 

 Scott on, 473. 



Plant enzymes, the study of, particularly 

 with relation to oxidation, fourth report 

 on, 85. 



Plant products of Victoria, natural, the 

 chemical investigation of, interim re- 

 port on, 80. 



Plummer (W. E.) on seismological in- 

 vestigations, 52. 



Plymonth marine laboratory, report on the 

 occupation of a table at the, 149. 



Politics and ethics, instruction in, by 

 Miss E. E. Constance Jones, 744. 



Pope (Prof. W. J.) on the correlation of 

 crystalline form with molecidar struc- 

 ture, 85. 



* experimental demonstration of 



liquid crystals, 393. 



Population, the distribution of, the re- 

 presentation of, on maps, by B. C. 

 Walli.s, 488. 



♦Population in South Britain, former 

 movements and distribution of. and 

 its influences, by Prof. H. J. Fleure, 

 494. 



PouLTON (Prof. E. B.) on obtaining a re- 

 presentative collection of marsupials, 

 147. 



* on insects collected in Australia 



in 1914, 475. 



*PouLTON (Dr. E. P.), the alleged acid 

 intoxication of diabetic coma, 688. 



Peankeed (Miss T. L.) on the nature and 

 distribution of the statolith apparatus 

 in plants, 722. 



Primar}^ emotions, general and specific 

 factors underlying the, by Cyril Burt, 

 094. 



Prime numbers, by G. H. Hardy, 350. 



*Peingle (Dr. Harold) and Dr. J. Tait, 

 the elasticity of the strophanthinised 

 heart, 689. 



Protoplasm, the permeability of, to 

 \\ ater. the effect of temperature on, by 

 Dr. E. Marion Delf, 723. 



Protozoa, the, the theory and pheno- 

 mena of purpose and intelligence ex- 

 hibited by, E. Heron-Allen on, 471. 



Racial distribution in the Balkans, dis- 

 cussion on, 072. 



Prof. G. Elliot Smith on, 072. 



Sir Arthur Evans on, 673. 



♦Radioactive elements and the periodic 

 law. discussion on, 366. 



* Prof. F. Soddy on, 366. 



Radioactive problems in geology, dis- 

 cussion on, 432. 



A. Holmes on, 432. 



Prof. F. Soddy on, 434. 



Radiolclegraphic investigations, report on, 

 39. 



Raglan (Lord) on the proposed survey of 

 the natural history of the Isle of Man, 

 149. 



Ramsbottom (J.) on colour standards, 

 790. 



Ramsbottom (J. W.) on the question of 

 fatigue from the economic standpoint, 

 283. 



Rathbone (Herbert R.) on the character, 

 work, and maintenance of museums, 

 262. 



Read (Sir C. H.) on the lake villages in the 

 neighbourhood of Olastonbury, 170. 



