354 



THE CANADIAN ENTOMOLOGIST. 



the writer to the conclusion that either the confined specimens were not 

 impregnated, or that they had already deposited all of their eggs, or that 

 the breeding habits differ from those of the mosquitoes of the other genera 

 mentioned. 



Fig. 31. — Psorophora ciliata : a, full-grown larva : b, head of same from below ; 

 c, antenna of same ; d, a mandibular filament ; c, tuft from penultimate seg- 

 ment of same ; y, fringe from same ; g, pupa ; h, anal flaps of same. Enlarged 

 (original). 



