VOL.111. Ser. B. Part 7.— pp. 97-112. JULY, 1916. 



THE REVIEW 

 OF APPLIED 

 ENTOMOLOGY 



SERIES b: medical 



AND VETERINARY. 



ISSUED BY THE IMPERIAL 

 BUREAU OF ENTOMOLOGY. 



LONDON: 



SOU) BT 



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

 Price 6cl. net. 



All Rlgrhts Reserveck 



