i66 



INDEX 



Philpott, Dr. S. J. F., Fluctuation 

 curves of mental output and 

 chemical change, 407. 



Photochemical generation of free 

 radicals, by Dr. T. G. Pearson, 

 342*. 



Photochemistry, discussion on, by 

 Dr. R. G. W. Norrish, H. W. 

 Thompson, Dr. T. G. Pearson 

 and Dr. W. H. Melville, 341. 



Photochemistry of polyatomic 

 molecules, by Dr. R. G. W. 

 Norrish, 34a*. 



Photochemistry, secondary reactions 

 in, by Dr. W. H. Melville, 342. 



Physics, trends in modern, by Prof. 

 Allan Ferguson, 27. 



Phytogeography of the Fylde, by 

 Miss M. Dunlop, Appdx. 20. 



Pickard, G. L., Expansion method 

 for liquefying helium, 330. 



Pickford, Dr. R. W., Conclusion of 

 a study of group psychology, 408. 



Pierce, G. W. W., Education for 

 rural life, 438. 



Pierce, W. O'D., Vocational psycho- 

 logy and job changes, 413. 



Place names of the Fylde, by Prof. 

 Eilert Ekwall, Appdx. 41. 



Plankton ecology and animal ex- 

 clusion, by Prof. A. C. Hardy, 



360, 473- 

 Plantation economy, by Dr. C. R. 



Fay, 117, 378*. 

 Plant hunting and exploration in 



Tibet, by Capt. F. Kingdon Ward, 



xxviii. 

 Playing fields, character and health, 



by Aid. W. Melland, 398, 475. 

 Pockock, Dr. M., Volvox life cycle, 



425*- 



Pokorny, Dr. J., Racial and lin- 

 guistic affinities of neolithic Danu- 

 bians, 395. 



Polar regions, physical solution of 

 some problems of discovery in, 

 by Prof. W. H. Hobbs, 372, 473- 



Pollard -Urquhart, B., Working 

 plans for the private estate, 429*. 



Potassium in leaves, by Dr. N. L. 

 Penston, 420, 476. 



Potato growing, discussion on scien- 

 tific aspects of, by H. Bryan, Prof. 

 P. A. Murphy and Prof. R. T. 

 Leiper, 445. 



Potato storage, rots in, by Dr. 

 C. E. Foister, I. W. Tervet, and 

 Mrs. N. L. Alcock, 416, 424*, 



475- 



Pottery industry and Industrial 

 Revolution, by Dr. John Thomas, 

 381. 



Poulton, Dr. E. P., Strain of 

 modern civilization, 401. 



Poultry industry, discussion on, by 

 W. Hamnett, Dr. A. W. Green- 

 wood, E. T. Hainan, Dr. E. L. 

 Taylor, and others, 363 



Pre-school child, discussion on, by 

 Mrs. M. Wintringham, Miss 

 Ishbel Macdonald, Dr. Susan 

 Isaacs, Miss E. Stevenson and 

 Miss I. Jones, 432. 



Presidential Address, The, by Sir 

 Josiah Stamp, 1. 



Prest, W., The Lancashire coal 

 industry, 381. 



Preston, Geology of, by L. H. 

 Tonks, 345*, 473. 



Priestley, Prof. J. H., Ring- and 

 diffuse-porous hardwoods, 428. 



Problems of a small manufacturing 

 business, by C. A. Lee, 379, 474. 



Psychological problems of a de- 

 pressed area, by C. A. Oakley, 

 412,475. 



Quadratic corpus, representation in, 

 by squares and quadratfrei in- 

 tegers, by Miss A. Cox, 334. 



Quastel, Dr. J. H., Enzymic 

 activity of the cell and cell 

 structure, 398*, 475. 



Radiation from combustion gases, 

 measurements of, by Dr. M. 

 Fishenden, 386*. 



Railway locomotive development, 

 by W. A. Stanier, 383. 



Raistrick, Dr. A., Study of a 

 Pennine Dales parish, Linton-in- 

 Craven, 375. 



Use of microspores in correla- 

 tion of coal seams, 354. 



Ramanujam, S., Chromosome 

 studies in Oryzeae, 418, 425*. 



Ramsbottom, J., The uses of fungi, 

 189, 414*. 



