INDEX. 



467 



National Parks, bv I'ruf. 1*. Abercrombie, 



441. 

 National Parks, bv Dr. G. F. H. Smith, 



447*. 

 Natural fatty acids, by Prof. F. E. 



Francis, Dr. T. Malkin, and S. H. 



Piper, 309*, 453. 

 Neavekson, Dr. E., Permian as a system, 



324. 

 Nebaliopeis typica, by Prof. H. G. 



Cannon, 335. 453. 

 New Guinea, natives and Government 



mandated territory, by E. W. P. 



Chinnery, 387. 

 Nicholson, Prof. J. W., on Gahulation 



of mathematical tables, 250. 

 NlERENSTEiN, Dr. M.. Pyrylium series, 



309*. 

 Nitrogen Industry and Food Supply, by 



Dr. R. E. Slade, 4.34. 

 Nixon, Prof. J. A., Factors in diabetic 



coma, 391, 455. 

 Nooitgedacht, glaciated rock surfaces, by 



Dr. G. Slater, 314. 

 NuNN, Prof. Sir P., Mental discipline, 



415*. 



Oak, artificial regeneration, by W. H. 



Guillebaud, 408. 

 Ogilvie, a. G., Report of Committee on 



Human Geography of Tropical Africa, 



347*. 

 Ogilvie, Prof. F. W., Margins, 356*. 

 Oldoway man, geology and palaeontology, 



by Dr. H. Reck, 388*. 

 Optically active components of spiro-5:5- 



dihydantoin, by Prof. Sir W. Pope and 



Dr. J. B. Whitworth, 308, 453. 

 Organisation, Theory of, by Maj. L. 



Urwick, 355*. 

 Okb, A. P., Conditions in sea water • 



bathing coral reefs, 335, 453. 

 Orr, Dr. J. B., Nutritional level of 



grazing animals, 423, 457. 

 Orrok, G. a., High steam pressures in 



power generation, 361, 454. 

 OsTERHOCT, Prof. W. J. V., Plant nutri- 

 tion, 401*. 

 OwER, E., Standard of measurement of 



gas flow, 305, 452. 



Page, H. J., Intensive grass land manage- 

 ment, 424*. 



Paget, Sir R. A. S.. Influence of mouth 

 gesture on alphabet development, 368. 



Palmer, Prof. L. S., Geology of Bristol 

 area, 313*. 



Parry, R. F., Cheddar excavations, 366, 

 453. 



Past pluvial and glacial periods, discussion, 

 371. 



Peake, H. J. E., on Sumerian Copper, 

 267. 



Peakk, H. J. E., Past pluvial discussion, 



382. 

 Pear, Prof. T. H., on Formal trainina, 

 285. ^ 



Pearman, F. v.. South- Western Natural- 

 ists' Union, 449. 

 Pearman, J. V., Rsocoptera, 339, 454. 

 Peking man, geological background, by 



Prof. G. B. Barbour, 386*. 

 Pennines, geological .structure, by Prof. 



H. G. A. Hickling, 331. 

 Perception, Influence of physical object 



on, by Dr. R. H. Thouless, 398. 

 Percy, Rt. Hon. Lord Eustace, A policy 



of higher education, 219. 

 Peripheral vision, psychological factors, 



by G. C. Grindley, 399*. 

 Permeability changes, by F. W. Wake- 

 field, 392*. 

 Permian as a system, discussion by Dr. 



B. Smith, Prof. D. M. S. Watson, Dr. 



R. L. Sherlock, Dr. C. T. Trechmann, 



Prof. J. W. Gregory, Prof. G. A. Hick- 

 ling. Prof. W. G. Boulton, Dr. H. C. 



Versey, Prof. P. F. Kendall, Dr. E. 



Neaverson, 315. 

 Perseveration and the introvert, by Dr. 



W. J. Pinard, 400*. 

 Pertusaria communis, protothallus, by 



Prof. 0. V. Darbishire, 405. 

 Petra, first excavations, by G. Horsfield, 



366, 455. 

 Petrie, Sir F., Neolithic and palaeolithic 



work in Beersheba basin, 366. 



Excavations at Beth-Pelet, 367, 455. 



Phillips, C. W., Walton Down earth- 

 works, 367. 

 Phillips, Miss M., Adolescence of young 



wage-earner, 394, 455. 

 Photoelectrons, Angular distribution from 



copper crystal, bv Dr. H. W. B. 



Skinner and Dr. S.' H. Piper, 295. 

 Phytophthora on strawberries, b^^ Mrs. 



N. L. Alcock, 405, 456. 

 PiCKFORD, R. W., Effects of style and 



rhythm in reading, 396. 

 PiNARD, Dr. W. J., Perseveration and the 



introvert, 400*. 

 Piper, Dr. S. H., X-ray investigations 



with long-chain compounds, 295. 

 Angular distribution of photo- 

 electrons from copper crystal, 295. 



Natural fatty acids, 309*, 453. 



Placenta, phjlogeny of, by Dr. D. de 



Lange, 336, 453. 

 Plankton of seas round Great Barrier 



Reef, by Miss S. M. Marshall and 



F. S. Russell, 336, 454. 

 Plant nutrition, discussion on mineral 



elements in, bj- Dr. T. Wallace, Prof. 



W. J. V. Osterhout, Dr. Gregory, Dr. 



W^. Brenchlcy, G. K. Fraser. Sir J. 



Russell, 401. 



HH 2 



