372 



THE STUDY OF EVOLUTION 



Wilson, E. B., 139 ; on accessory chro- 

 mosome, 193; on regeneration of 

 centrosome, 195 



Wolbach, on X-ray carcinoma, 248 



Woolley, P. G., on tumours of adrenal 

 cortex, 321 



Wright, Sir Almroth, on opsonins, 54 



Wrosczek, 165 



X-ray cancer, 248 



Yeasts, thermogenic production of 

 races, 151 (note) 



Zaslein, 127 

 Ziegler, 281 

 Zinsser, 258 





THE END 



Printed by R. & R. Clark, Limited, Edinburgh. 



