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THE REVIEW 

 OF APPLIED 

 ENTOMOLOGY. 



SERIES b: medical 



AND VETERINARY. 



VOL. VII. 



ISSUED BY THE IMPERIAL 

 BUREAU OF ENTOMOLOGY. 



1/ 



-<s^u'"3«*»'a« .'n-;,- 



MAY 1 6 ia-^ 



4> ^ 6 2. 6- 



20 I 



LONDON : 



30LD BY 



THE IMPERIAL BUREAU OF ENTOMOLOGY, 



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



1919. 



All Rig-hts Reserved, 



