176 KANSAS UNIVERSITY QUARTERLV. 



plausor Osten Sacken; Williston, L, 12. — Colorado. 



positivus Osten Sacken; Williston, L, 13, 14. 



praepes Williston, L, 12, 13. — Washington. 



profusus Osten Sacken; Williston, L, 13, 14. 



sudator Osten Sacken; Williston, L, 13. 



n. sp. Williston, L, 13, no. 18. — Washington. 



n. sp. Williston, L, 12, no. 15. — California. 



sp. Williston, R, pi. IX, fig. 6. 



(? Lasiopogon) n. sp. Williston, L. 14. no. 22, pi. I, fig. 10. — 



Wyoming. 

 ? n. sp. Williston, L. 14. no. 21, pi. I, fig. 11. — Wyoming. 



PLESIOMMA. 



indecora Loew; Johnson, D, 274. — Jamaica, 

 lineata Fabricius; Williston, P, 170. — San Domingo. 



DAMALIS. 



Fabricius, Syst. Antl. 1805. 

 n. sp. Williston, MS. — Mexico. 



HOLCOCEPHALA. 



abdominalis Say; Slosson, J, v, 6; Johnson, E, 323. — Mt. Washing- 

 ton, Florida, 

 calva Loew; Johnson, E, 323. — Florida, 

 longipennis Bellardi; Osten Sacken, G, 171. — Costa Rica. 



Discoccphala dii'isa Walker, Trans. Ent. Soc. Lond. n. ser. v, 279; Osten 

 Sacken, Cat. Dipt., 71 {Ilolcoccphala). [fide Williston] . 



HOLOPOCON. 



nitidiventris Bigot, A, 437. — California. ["gen. nov. ? " Bigot], 

 philadelphiciis Schiner; Johnson, E, 323. — Florida. 



PYCNOPOCON. 

 cirrhatus Osten Sacken; Williston, L. 15. — California. 



STICHOPOCON. 

 catulus Osten Sacken, G, 170. — Mexico. 



trifasciatus Say; Williston, M, 53; N, 289; Osten Sacken, Gr, 170; 

 Townsend, K, 598. — New England, Kansas, Southern Cali- 

 fornia, Lower California, Mexico. 



Dasypogon caudidiis Macquart, Dipt. E.\ot. ler, Suppl., 67, 48; Bellardi, 

 Saggio, etc., ii, 78 [Stichopogoii); Osten Sacken, Cat. Dipt., 70. [Willis- 

 ton]. 

 Dasypogon galascens Walker, Trans. Ent. Soc. N. S., v, 277. [Bellardi], 

 Dasypogofi fasc/c'c?ilrisMa.cqua.rt, Dipt. Exot , 46 Suppl., 60 75, pi, VI, fig. 

 13. [Bigot], 

 sp. Osten Sacken, G, 170. — Mexico. 



TOWNSENDIA. 



Williston, Kansas University Quarterly, iv, 107. 

 minuta Williston, Kansas University Quarterly, iv, 108. — Mexico. 



