185 



SAROPOGON. 



Loeio, Linn. Entom. II, p. 439, 1847. 



*U(lustilS Loext, Berl. Eut. Z. 1874, p. 375. Texas. 

 *coiubn8tus Locic, 1. c. p. 374. Texas. 



LASTAURUS. 



Loew, Bem. iib. d. Fam. d. Asiliden, Berlin, 1851, p. 11. 

 antliraciiius Loetc, Bem. iib. d. Fam. d. Asiliden, p. 13. Mexico. 



[Scliiner (Verli. Z. B. Ges. 1867, p. 373), identifies this species with Dasypogoii 

 luguhris Macq. Dipt. Exot. Suppl. 1, p. 64, from Surinam ; wlietlier correctly or 

 not, the iusuliicieucy of my materials does not enable me to decide. — Lw.]. 



Observation. — Dasyp. sexfasciatus Say, of the old Catalogue, belongs to 

 the genus Laphystla (Laphrina). 



The following species I do not know and cannot refer them to the new 

 genera formed at the expense of Dasypogon in Meigen's and Wiedemann's 

 sense. 



Dasypogon albiceps Macquart, Dipt. Exot. ler Suppl. p. 69, 51. Walker, 

 List, etc., VI, p. 426. Texas. 



May this not be a Laphrina like D. sexfasciatus, to which Macquart com- 

 pares it ? 



tristis Walker, Dipt. Saund. p. 93. United States. 



The description reminds one of Dizonias. 



californiac Walker, List, etc., II, p. 322. California. 



angustus Macquart, Dipt. Exot. 3e Suppl. p. 20, 59, Tab. I, fig. 11. Walker, 



List, etc., VI, p. 429. San Domingo. 

 ceppllicus Say, Journ. Ac. Phil. VI, p. 158. Mexico. 

 mexicanus Macquart, Dipt. Exot. ler Suppl. p. 68, 49. Walker, List, etc., VI, 



p. 428. Mexico. 

 nigritarsis Macquart, Dipt. Exot. ler Suppl. p. 68, 50. Walker, List, etc., VI. 



p. 428. Mexico. 

 parvus Bigot, R. d. la Sagra, etc., p. 789, Tab. 20, fig. 2. Cuba. 



BUL. BUF. SOC. NAT. SCI. (2-1) OCTOBER, 1874. 



