OSCINID^E. 3II 



presence in the genus Ceratobarys, and the structure of 

 the proboscis in Hippelates would seem to render proba- 

 ble that a thorough revision of the genera of this family 

 may eliminate some now generally accepted. 



Fig. 122. Oscinidae. i, Hippelates, sp.; 2, Elachiptera^ sp.; 3, 

 Gaurax anchora, head; 4, Eurina e.vilis, head; 5, Meromyza arneri- 



cana, wing; 6, Meromyza americana, hind leg; 7, Sigaloessa, n. sp. 

 wing (Illinois). 



