252 



INDEX 



Wright, S. J. 

 Si8, 545. 



Men and machines, 



X-rays and ferromagnetism, by Dr. 

 A. J. Bradley, 385. 



X-rays and magnetic alloys, sym- 

 posium on, by Prof. W. L. Bragg, 

 Dr. E. C. Stoner, Dr. A. J. 

 Bradley and others, 384, 537. 



Yates, F., Use of lattice squares in 



plant improvement, 394. 

 YoRKE, J. Paley, Education for a 



changing society, 515*. 

 YouDEN, Dr. W. J., Complex square 



designs in plant physiology, 393. 



Young, D. W., Position of hard- 

 woods in British forestry, 509*, 



544- 

 Young, J. Z., Relationship of 

 organisation and environment, 

 437*- 



Zeuner, Dr. F. E., Geological evi- 

 dence of the Middle Palaeolithic, 

 472, 542. 



Zonal olivines, by S. I. Tomkeieff, 



418, 5J9. 

 Zoological field stations of U.S.A., 



by Homer A. Jack, 427. 

 Zoology of Cambridgeshire, edited by 



A. D. Imms, 60. 



12 JM' 1939 



Printed in England at The Ballantyne Press 



Spottiswoode, Ballantyne & Co. Ltd. 



Colchester, London & Eton 



