Membrane 



Fig. 36. Corixidae.* (1) Arctocorisa interrupta (Say), — sketch to illus- 

 trate structural parts of a Corixid. The right wing-cover has been removed 

 and the lineations of the other one are omitted for the sake of clearness. 

 (2) Arctocorisa kennicottii (Uhler), — right wing-cover. (3) Arctocorisa 

 lucida Abbott, — right wing-cover. (4) Arctocorisa ornata Abbott, — right 

 wing-cover. (5) Arctocorisa interrupta (Say), — fore tarsus of male. (6) 

 Arctocorisa nitida (Fieber), — fore tarsus of male. (7) Arctocorisa kenni- 



* Note : These illustrations show the comparative shapes and not the 

 relative sizes. 



