ASILTD^E. 31 



megacera Macq. Philadelphia. Macq. Hist. Nat. Dipt. I, 284, 18. 



Walker, List, etc. VII, 527. 

 melanopogon Wied. Kentucky. Wied. Auss. Zweifl. I, 520, 36. 



Walker, List, etc. VII, 524. 

 melanogaster Wied. Georgia (Wied.); Mexico. Wied. Dipt. Exot. 



I, 236, 7. Auss. Zweifl. I, 507, 14. Macq. Dipt. Exot. ler Suppl. 75, 



30. Mem. de Lille, 1844, p. 203. Walker, List, etc. VII, 528. 

 Olbus Walk. Guatimala (Walk.) ; Honduras (Macq.). Walker, 



List, etc. II, 375. Macq. Dipt. Exot. 5e Suppl. p. 53. Mem. de Lille, 



1855, tab. ii, fig. 3. 

 posticata Say. N. W. Territory (Say) ; Mass. (Harris Cat.) ; Huds. 



Bay, Nova Scotia, Maine (Walk.); Carolina (Macq.). Say, Long's 



Exp. App. p. 374, 1. Wied. Auss. Zweifl. I, 518, 32. Macq. Dipt. 



Exot. I, 2, 69, 17. Mem. de Lille, 1838, 3e part. p. 185. Walker^ List, 



etc. II, 382, and VII, 525. 

 pygmaea Macq. Georgia. Macq. Hist. Nat. Dipt. I, 287, 30. 



Walker, List, etc. VII, 528. 

 pyrrhacra Wied. Missouri (Say) ; Mass. (Harris Cat.); Georgia and 



S. America (Wied.). Say, J. Acad. Phil. Ill, 53, 1. Amer. Ent. 



I, tab. vi, (L.fulvicauda). Wied. Auss. Zweifl. I, 517, 31. Walker, 



List, etc. VII, 527, 60 (L fulvicauda), and 526, 56 (L. pyrrhacra). 

 rubirventris Macq. Philadelphia. Macq. Hist. Nat. Dipt. I, 284,19. 



Walker, List, etc. VII, 527. 



Sacrator Walk. Nova Scotia. Walker, List, etc. II, 382. 



Sadales Walk. New York. Walker, List, etc. II, 378. 



saffrana Fab. Georgia (W.) ; Carolina (Fab.) ; Mass. (? Harris Cat.). 



Fab. Syst. antl. p. 160, 18. Wied. Dipt. Exot. I, 234, 4. Auss. 



Zweifl. I, 504, 9. Walker, List, etc. II, 375, and VII, 526. 



saniosa Say. Indiana. Say, J. Acad. Phil. VI, 158. 



sericea Say. Arkansas (Say) ; Ohio, Canada, Nova Scotia (Walk.) ; 



Mass. (Harris Cat.) Say, J. Acad. Phil. Ill, 74, 4. Amer. Ent. I, 



tab. vi. Wied. Auss. Zweifl. I, 508, 16. Walker, List, etc. II, 382, 



and VII, 526. 

 tergissa Say. Pennsylvania (Say) ; Georgia (Walk.) ; Mass. (Harris 



Cat.). Say, J. Acad. Phil. Ill, 74, 5. Wied. Auss. Zweifl. I, 502, 



5. Walker, List, etc. II, 383, and VII, 525. 

 Terrae novae Macq. Newfoundland. Macq. Dipt. Exot. I, 2, 69, 18. 



Mem. de Lille, 1838, 3e part. p. 185. Walker, List, etc. VII, 525. 

 thoracica Fab. N. America (Fab.); Nova Scotia, New York (Walk.); 



Mass. (Harris Cat.); W. Indies (Macq.). Fab. Syst. antl. p. 158, 



10. Wied. Dipt. Exot. 1, 236, 8. Auss. Zweifl. I, 511, 21. Macq. 



Dipt. Exot. I, 2, 68, 14. Mem. de Lille, 1838, 3e part. p. 184, 14. 



Walker, List, etc. II, 382, and VII, 524. 

 xanthocnema Wied. W. Indies (Macq.) ; Brazil (Wied.). Wied. 



Auss. Zweifl. I, 509, 18. Macq. Dipt. Exot. I, 2, 67, 12. Mem. de 



Lille, 1838, 3e part. p. 183. Walker, List, etc. VII, 528. 



Atomosia Macq. 



incisuralis Macq. Cuba, Ohio. Macq. Dipt. Exot. I, 2, 76, 4, tab. vii, 



fig. 1. Mem. de Lille, 1838, 3e part. p. 192. Walker, List, etc. VII, 567. 



