BIB10NIDAE. 15 



*gracilis Walker, List, etc. T, 123. - - Nova Scotia. 



* inaequalis Loew, Centur. V, 3. - - Sitka. 

 *longipes Loew, Centur. V, 12. - - Distr. Columbia. 

 *lugrens Loew, Centur. V, 6. - - Winnipeg. 

 *nigripilus Loew, Centur. V, 10. - - Winnipeg. 

 *obscurus Loew, Centur. V, 5. - Huds. B. Terr. 



pallipes Say, J. Acad. Phil. Ill, 76, 1; Compl. Wr. II, 68; Wiecle- 

 mann, Auss. Zw. I, 81, 9 ; - - Pennsylvania. vCompare also : Van 

 der Wulp, Tijdschr. etc. 2* Ser. IV, 81.) 



* rufithorax Wiedemann, Auss. Zw. I, 78. 2. - - Pennsylvania, Florida. 

 senilis v. d. Wulp, Tijdschr. Ent. 2<i Ser. IV, 81. Wisconsin. 

 thoracica Say, Long's Exp. App. 368; Compl. Wr. I, 250; Wiede- 

 mann, Auss. Zw. I, 78, 1. - - Florida. 



* variabilis Loew , Centur. V, 7. - - New Hampshire, Sitka. 



* xanthopus Wiedemann, Auss. Zw. 1, 80; Macquart, Dipt Exot. I, 

 1, 88, 4. -- Atlaut. States. 



* hirtus Loew, Cent. V, 2; O. Sacken, Western Diptera, 211. California. 



* nervosus Loew, Centur. V, 4. - - California. 



criorrhinus Bellardi, Saggio etc. I, 17; Walker, Trans. Ent. Soc. N. 



S. V, 331. Mexico. 



duhius Bellardi, Saggio etc. I, 18 -- Mexico. 

 fuligineus Bellardi, Saggio etc. L, 19. - - Mexico. 

 piceus Bellardi, Saggio etc. I, 17. Mexico. 



Observation. Mr. Walker's species; 



fumipennis Walker, List, etc. I, 122. Huds. B. Terr. 

 humeralis Walker, 1. c. 121. Nova Scotia. 

 scita Walker, 1. c. 122. Nova Seotia. 

 striatipes Walker, 1. c. Noira Scotia. 

 testita Walker, 1. c. Nova Scotia. 



IHloplms. 



Meigen, Illiger's Magaz. II, 264; 1803. 



*breviceps Loew, Centur. IX, 59. -- New Hampshire. 



*dimidiatus Loew, Centur. VIII, 3. -- New York, 



*longiceps Loew, Centur. I, 14. Illinois. 



*orbatus Say, J. Acad. Phil. III. 77, 5 (Bibio) ; Compl. Wr, II, 69; 

 Wiedemann, Auss. Zw. I, 77, 6. Pennsylvania; Mexico (Bel- 

 lardi, Saggio etc. I, 19). 



*obesulus Loew, Centur. IX, 60. - - Distr. Columbia. 



*serotinus Loew, Centur. I, 15. -- Illinois. 

 spinipes Say, J. Acad. Phil. Ill, 79, 2; Wiedemann, Auss. Zw. I, 



75, 1. -- Missouri. 



stigmatems Say, J. Acad. Phil. Ill, 78, 1; Wiedemann, Auss. Zw. I, 



76, 4. Missouri. 



"tygrius Say, Ins. of Louisiana, coll. by J. Barabino; Compl. Wr. I, 

 309. Louisiana (there is an earlier D. slyyius Say, from 

 Mexico). 



