THE CANADIAN ENTOMOLOGIST. 47 



Genus Hydrotea Desv. 

 32. Appears to be identical with H. deiitipes Fall.; i female, Canada. 



In Loew's coll., 2 females, i from Sitka, Sahib., with the same 

 determination. 

 ■^l- Seems identical with H. armipes Fabr.; 3, male and female, Cam- 

 bridge, Mass. 



In Loew's coll., i male from Nebraska with the same determin- 

 ation. 



Genus Lasiop.s Meig. 



34. Something like L. canotans Meig., but it is not identical ; i male, 



Br. Colombia.. 



35. Not like any species known to me ; 4, male and female, N. Hampsh. 



Genus Osphyra Desv. 



36. Similar to A. leiuostoma Fall.; 5, male and female, from D. C, Mass., 



Maine. 



In Loew's coll., 5 male and female, from Maine, New York, 

 D. C, identical with No. 36, labelled A. leucostoma. 

 36.^. Not like any species known to me; 2, male and female, Canada. 



Genus Limnophora Desv. 



37. Somewhat resembles A. compiinda Wied., but has the eyes more 



widely separated in the male; 6 male and female, from Mass.; N. 

 Y., D. C; Hudson Bay Terr. 



38. I male, N. Y. — 39; i male. Connect. — 41; i male, Huds. Bay Terr. 



— 42; I female, N. Y. 43; i male, Mass. — 43 a (lost) Huds. Bay 

 Terr. All not like any species known to me. 

 40. Very like Coenosia tiiangtdiim Zett. This species might perhaps be 

 placed in the genus Coenosia, as the eyes in both sexes are separated 

 by a widish interval. But this occurs to some extent in nearly all 

 the species of this genus; i male, Catskill Mts., N. Y. 



Z. stygia Meig., O. Sacken Catal, p. 152, in Loew's coll. from 

 Sitka, Sahlberg, is not represented among the species examined by 

 Mr. Meade. L. triangulifera Zett., tmale, labelled by Loew, is in 

 the collection of the Museum. 



Genus Homalomyia Bouche. 

 44. Identical with M. caiiicidaris Linn.; 11 male and female, from South 

 Greenland; Mass., Maine, Conn, 



