VOL. V. Ser. B, Part 3.— pp. 33-48. MARCH, 1917. 



THE REVIEW 

 OF APPLIED 

 ENTOMOLOGY. 



SERIES b: medical 



AND VETERINARY. 



ISSUED BY THE IMPERIAL 

 BUREAU OF ENTOMOLOGY. 



LONDON t 



SOLO BT 



THE IMPERIAL BUREAU OF ENTOMOLOGY, 

 89, QUEEN'S GATE, S.W. 7. 



Price Gd. net. 



AU Rights Reserved. 



