y 



/j-6±e 



THE REVIEW 

 OF APPLIED 

 ENTOMOLOGY. 



SERIES B: MEDICAL 

 AND VETERINARY. 



VOL. VIII. 



ISSUED BY THE IMPERIAL 

 BUREAU OF ENTOMOLOGY. 





LONDON : 



THE IMPERIAL BUREAU OF ENTOMOLOGY, 



41, QUEEN'S GATE, LONDON, S.W.7. 



1920. 



All Rights Reserved. 



