4 TIPULARLE. 



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



Stseger, Greenland's Antliater. 

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



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



redeuns Walk. U. States. Walk. Dipt. Sauud. 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 Stseger. Greenland. Stseger, Grcenl. Antliater. 



Tanypus Meig. 

 annulatus 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. Stager, 



Groenl. Antliajter. 



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



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



Greenland's Antliater. 



tibialis Stceger. Greenland. Stseger, Grcenl. Antl. 



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



Zweifl. I, 20, 4. 



Ceratopogoii 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, 2(j. 



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



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



Groenl. 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. 



Cecidomyia Meig. 

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



