INDEX. 



793 



Petrie (Prof. W. M. Flinders), excava- 

 tious at Memphis and Hawara in 1911, 

 515. 

 Petroleum testing, the methods and 

 apparatus used in, Dr. J. A. Harker 

 and W. F. Higgins on, 324 

 ♦Pettersson (Prof. 0.), great boundary 

 waves : parallactic tides set up in the 

 bottom layers of the sea by the moon, 

 340. 



tidal movements in the deep water 



of the Skagerrak, and their influence 

 upon the herring fishery, 446. 

 Phagocytosis, the influence of iodoform, 

 chloroform, and other substances dis- 

 soluble in fats on, by Dr. H. J. Ham- 

 burger, 545. 

 Philip (Alexr.), calendar reform : a 



suggested basis of agreement, 461. 

 Phillips (G. R.), six months' experience 

 of the w.se of a chloroform-balance at 

 St. George's Hospital, 166. 

 Physical and Mathematical Section, 

 Address by Prof. H. H. Turner to the, 

 305. 

 Physiological Section, Address by Prof. 



J. S. Macdonald to the, 524. 

 Physiology of submarine work, the, by 



Leonard Hill, 634. 

 Phyto-geographical maps, the principles 

 of constructing, discussion on, 581. 



Dr. C. E. Moss on, 581. 



Phytogeography as an experimental 



science, by Prof. Jean Massart, 564. 

 *Pigs, commercial ovariotomy in, by F. 

 H. A. Marshall and K. J. J. Mackenzie, 

 607. 

 ♦Planetary circulation in the atmosphere, 



by Dr. H. N. Dickson, 345. 

 *Plant life of the British Islands, the 

 promotion of the study of the, interim 

 report on, and on the preparation of 

 the materials for a national flora, 587. 

 Plant population, the present, of the 

 British Isles, the relation of, to the 

 glacial period, discussion on, 573. 



Clement Reid on, 573. 



Plasmodio phoracece, the life-cycle and 



affinities of the, by T. G. B. Osbom, 572. 



Pleistocene man in Jersey, by R. R. 



Marett, 516. 

 Plummer (W. E.) on seismological in- 

 vestigations, 30. 

 Plums, self -sterility and self -fertility in, 



by W. O. Backhouse, 599. 

 Plunkett (Sir Horace) on changes in 

 regulations affecting secondary educa- 

 tion, 234. 

 Plymouth marine laboratory, report on the 



occupation of a table at the, 129. 

 Pope (Prof. W. J.) on the study of isomor- 

 phous snlphonic derivatives of benzene, 

 8 2. 



Pope (Prof. W. J.) on electroanalysis, 98. 



and Prof. W. H. Perkin, optically 



active substances which contain no 

 asymmetric atom in the molecule, 361. 

 Porter (John), British weights, 600. 

 * Portsmouth and district, the geology of, 



by Clement Reid, 381. 

 Potato disease, by A. S. Home, 603. 

 ♦Potato plant, a bacterial disease of the, 

 by Miss E. Dale, 603. 



Potato plant in Ireland, bacterial diseases 

 of the, by Dr. G. W. Pethybridge, 

 602. 



Potter (Prof. M. C), bacterial diseases of 

 plants, 601. 



Poulton (Prof. E. B.) on the formulation 

 of a definite system on which collectors 

 should record their captures, 126. 



on zoology organisation, 127. 



* , recent discoveries in mimicry, pro- 

 tective resemblance, &c, in African 

 butterflies and moths, 419. 



Power generation, economical and reli- 

 able, by overtype superheated-steam 

 engines, by W. J. Marshall, 484. 



Practical education in dockyard and naval 

 schools, discussion on, 631. 



Praeger (R. Lloyd) on the survey of 

 Clare Island, 176. 



Pre-Cambrian beds of Northern Ontario, 

 the, by Prof. E. S. Moore, 390. 



Predynastic iron beads from Egypt, by 

 G. A. Wainwright, 515. 



Preece (Sir W. H.) on magnetic observa- 

 tions at Falmouth Observatory, 78. 



on practical electrical standards, 80. 



on gaseous explosions, 130. 



Prehistoric artifacts, an archaeological 

 classification of American types of, 

 by W. K. Moorehead, 501. 



Prehistoric man, memorials of, in Hamp- 

 shire, by W. Dale, 518. 



Prehistoric site at Bishop's Stortford, a 

 report on the excavation of, 131. 



Priestley (J. H.) and Miss E. M. Lee, 

 the influence of electricity on micro- 

 organisms, 603. 



— — and R. C. Knight, influence of elec- 

 tricity on the respiration of germinating 

 seeds, 601. 



Primates, some points in manus and 

 pes of, by Prof. R. J. Anderson, 429. 



Primula kewensis, the hybrid, the chro- 

 mosomes of, by Miss L. Digby, 585. 



Prince Charles Foreland, report of the Com- 

 mittee for completing the map of, 129. 



♦Projections for atlas maps, various, a 

 numerical estimate of the errors of, 

 by A. R. Hinks, 449. 



Protection of plants, the, by W. M. Webb, 

 750. 



Proteins, heat coagulation of, Drs. Harriette 

 Chick and C. J. Martin on, 281. 



