4 TIPULARIiE. 



picipes Meig. Europe (Meig.); Greenland (Stseger). Meigen, etc. 



Staeger, GrcBnland's Antliater. 

 polaris Kirby. Amer. Boreal. Kirby, Suppl. to App. to Parry's First 



Voyage. Curtis, Ins. of Ross's Voy. p. lxxvii, tab. A, figs. 14 and 2. 



redeuns Walk. U. States. Walk. Dipt. Saund. V, 422. 



stigmaterus Say. Vid. glaucurus (Wied.). 



taenionotus, Say. Indiana. Say, J. Acad. Phil. VI, 149. 



trichomerus Walk. Huds. Bay. Walker, List, etc. I, 21. 



turpis Zett. Greenland. Zetterstedt, Insecta Lapponica. 



unicolor Walk. Nova Scotia. Walker, List, etc. I, 19. 



variabilis Stager. Greenland. Stseger, Grcenl. Antliater. 



Tanypus Meig. 

 armulatus Say. Penna. Say, J. Acad. Phil. Ill, 15, 1. Wied. Auss. 



Zw. I, 19, 3. 

 baltimoreus Macq. Baltimore. Macq. Dipt. Exot. 5e Suppl. 15, 1. 



Mem. de Lille, 1855. 



biplagiatus Harris. Cat. Ins. Mass. 



choreus Meig. Europe (autores) ; U. States (Walk.). Meig, etc. 



Walk. Dipt. Saund. V, 422. 

 crassinervis Zett. Greenland. Zetterstedt, Ins. Lapponica. Stseger, 



Grcenl. Antliater. 



decedens Walk. Huds. Bay. Walker, List, etc. I, 22. 



pictipennis Zett. Greenland. Zetterstedt, Ins. Lapponica. Stseger, 



Greenland's Antliater. 



tibialis Stseger Greenland. Stseger, Grcenl. Antl. 



tibialis Say. Penna. Say, J. Acad. Phil. Ill, 15, 2. Wied. Auss. 



Zweifl. I, 20, 4. 



Ceratopogon Meig. 



basalis Walk. Trenton Falls. Walker, List, etc. I, 27. 



debilipes Harris. Cat. Ins. Mass. 



obscurus Walk. Huds. Bay. Walk. 1. c. I, 26. 



parvus Walk. Huds. Bay. Walk. 1. c. I, 26. 



scutellatus Say. Indiana. Say, J. Acad. Phil. VI, 150. 



sordidellus Zett. Groenland. Zetterstedt, Ins. Lapponica. Stseger, 



Grcenl. Antliater. 

 transiens Walk. Huds. Bay. Walker, List, etc. I, 25. 



Asthenia Westw. 

 americana Walk. Huds. Bay. Walker, List, etc. I, 28. 



Lasioptera Meig. 

 ventralis Say. Penna.— Say, Long's Exped. etc. App. p. 357. Wiede- 

 mann, Auss. Zweifl. I, 21, 1. 

 parva Walk. Huds. Bay. Walker, List, etc. I, 29. 



Ceeidomyia Meig. 



caliptera A. Fitch. N. York. Fitch, an Essay upon the wheat-fly, 



