ORTHORRHAPHA 



Nematocera 



Culicidae 

 Ptychopteridae 



!^^IW^ 



Fig. 1 8 A. C /z]«i/(?;/j', larvae emerging 

 from esg-raft. 2x2 mm. (Wad- 

 dington.) 



Fig. 18. 



Ciilc.v pipiens Linn. 9 6x 12 mm. 

 the commonest of the "sjnats." 



Perhaps 



Fig. 18 B. C. pipiens emerging from pupa-case. 

 9 8 mm. (Micro-shde, VVaddington.) 



Fig. 19. Ptyclioptei'a albiinana Fair. [J 9i x 

 21 mm. Common in damp places in 

 summer. Larvae live in stagnant waters 

 and have a long tube at end of body, which 

 they raise to the surface for breathing. 



