VOL.1. Ser. B. Part 6.— pp. 101-116. JUNE, 1913. 



THE REVIEW 

 OF APPLIED 

 ENTOMOLOGY. 



SERIES B: MEDICAL 

 AND VETERINARY. 



ISSUED BY THE IMPERIAL 

 BUREAU OF ENTOMOLOGY. 



■i ' . . 



LONDON: 



SOLD BY 



DULAU & Co., Ltd., 37, SOHO SQUARE, W. 

 Price 6d. net. 



All EigMs Reserved. 



