468 



INDEX. 



Plants, Species studies in, by E. M. M. 



Jones and Dr. W. B. Turrill, 400, 456. 

 Plesiosaurs in Bristol Museum, by W. E. 



Swinton, 340, 454. 

 Pluvial periods in palseolitbic India, by 



L. A. Cammiade, 370, 455. 

 Polytopes and algebraic geometry, by 



P. du Val, 307. 

 PoNSONBY, G., Cost of road maintenance. 



351. 

 Pope, Prof. Sir W., Resolution into 



optically active components of spiro- 



5 : 5-dihydantoin, 308, 453. 



■ British dyestufif industry, 309. 



Port of London, 1800 et seq., by Prof. 



LI. R. Jones, 349. 

 Potato root eelworm. by Dr. H. W. Miles, 



425*. 

 Potter, Dr. H. H., Some experiments on 



magnetic alloys, 297. 

 Powell, Dr. C. F., Mobility of ions in 



pure gases, 294, 452. 

 — — • Metastable molecules in active 



nitrogen, 295, 452. 

 Pre-Roman sites in Bristol district, by 



Mrs. D. P. Dobson, 364, 455. 

 Pre-school child : 



(a) Education, by Miss M. Drummond, 

 412. 



(b) Mental health, by Dr. J. A. Had- 

 field, 413. 



(c) Motivation of behaviour, by Dr. 

 W. E. Blatz, 413*, 456. 



Primary Colours, discussion, by Dr. J. 



Drever, Prof. H. E. Roaf, Dr. J. H. 



Shaxby, Dr. P. W. Edridge-Green, 390, 



455. 

 Primates, Evolution of. by Dr. C. T. 



Regan, 337, 454. 

 Pkiestley, Prof. J. H., on t'pZajid Boff 



Waters, 278. 

 Pringle, W. H.. Higher commercial 



education, 416, 456. 

 Proton, by Dr. P. A. M. Dirac, 303, 452. 

 Psocoptera, by J. V. Pearman, 339, 454. 

 Purser, G. L., Embryonic stages, .343*. 

 Pyman, Dr. F. L., Antimalarials and 



antiseptics, 310*, 453. 

 Pyronema confluens, life-history, by 



Prof. Dame H. Gwynne-Vaughan and 



Mrs. R. S. Williamson, 406, 456. 

 Pyrylium series, by Dr. M. Nierenstein, 



309*. 



Quitenine derivatives, by Dr. T. A. 

 Henry, 310*, 453. 



R. 100, Construction and design, by 



B. N. Wallis, 361*, 455. 

 Raistrick, Dr. A., Moraines of western 



Durham, 331*. 



Rarer, Prof. H. S., The synthetic activities 



of the cell, 160. 

 Rationalisation and technological un- 

 employment, by Prof. T. E. Gregory, 



105. 

 Rayner, Dr. M. C, Armiilaria mellea and 



conifers, 411, 456. 

 Reaction velocity, effect of solvent, by 



Dr. F. G. Soper, 313, 453. 

 Reading, eiJects of style and rhvthm, by 



R. W. Pickford, 396. 

 Reck, Dr. H., Geology and palaeontology 



of Oldoway man, 388*. 

 Recurrence relations and some definite 



integrals involving Legendre poly- 

 nomials, by Dr. D. M. Wrinch, 299, 453. 

 Red wood forests, preservation, by Prof. 



D. H. Campbell, 407*. 

 Regan, Dr. C. T., Evolution of the 



primates, 337, 454. 

 Regular polvtopes, by H. S. M. Coxeter, 



307. 

 Reynolds, Prof. S. H,, Geology of 



Bristol area, 313*. 

 Richardson, Dr. W. A., Technical 



college and industry, 416, 457. 

 Richmond, Dr. H. W., A problem on 



cubes of rational numbers, 308. 

 Richmond, Lt.-Col. V. C, Rigid airship 



construction development, 360, 454. 

 Rifle-shooting efficiency, by J. M. Black- 

 burn, 400*. 

 Road maintenance and construction, bv 



G. Ponsonby, 351. 

 Roaf, Prof. H. E., Primary colours 



discussion, 390, 455. 

 Robinson, Prof. R., New antimalarials, 



310*, 453. 

 Robinson, Dr. R. A., Complex acids of 



rarer elements, 313, 453. 

 Rogers, J., British dyestuff industry, 



309. 

 Roman Wall as National Park, by Dr. 



V. Cornish, 447. 

 RoxBY, Prof. P. M., The scope and aims 



of human geography, 92. 

 Russell, A. H., Curricula of central 



modern schools, 415*. 

 Russell, F. S. Plankton of seas round 



Great Barrier Reef, 336, 454. 

 Russell, Sir J., Plant nutrition, 401*. 



Influence of fertilisers, 418. 



Rutherford, Sir E., New methods of 



analysis of a-particlos, 300*. 



Sampling problems. Combinatorial 



methods in, bv Dr. J. Wishart. 302, 



453. 

 Samuel, Miss E. W., Industry and the J 



young person, 417. ^ 



Sandford, Dr. K. S., Spitsbergen 



dolerites, 330. 



