1/ Yb^f 



.w^" 



THE REVIEW 

 OF APPLIED 

 ENTOMOLOGY. 



^/ 



SERIES a: agricultural. 



VOL. VII. 



ISSUED BY THE IMPERIAL 

 BUREAU OF ENTOMOLOGY. 





LONDON : 



THE IMPERIAL BUREAU OF ENTOMOLOGY, 



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



1919. 



All Rig-hts Reserved. 



