18 XYLOPHAGI. TABANIDA. 



Fam. III. XYLOPHAGI. 



Rachicerus Haliday. 

 fulvicollis Halid. Georgia. Walker, List, etc. I, 124; V, 104. 



Xylopliagus Meig. 

 americanus Wied. U. States. Wied. Dipt. Exot. I, 51, 1. Auss, 



Zweifl. I, 84, 1. Walker, List, etc. V, 106. (Walker, List, etc. 1, 128, 



belongs to the following genus.) 



fasciatus Say. Indiana. Say, J. Acad. Phil. VI, 155. 



fasciatus Walk. Huds. Bay. Walker, List, etc. I, 128 (belongs to- 



genus Subula, according to Walker, V, 110). 



fascipennis Harris. Cat. Ins. Mass. 



heros Harris. Cat. Ins. Mass. 



incisuralis Harris. Cat. Ins. Mass. 



persequus Walk. N. America. Walker, Dipt. Saunders. I, 1. 



politus Harris. Cat. Ins. Mass. 



reflectens Walk. N. York. Walker, List, etc. I, 129 (Subula, vid. 



Walk. 1. c. V, 110). 



rufipalpis Wied. Vid. Beris rufipalpis. 



triangularis Say. Missouri. Say, J. Acad. Phil. Ill, 30. Wied. 



Auss. Zweifl. I, 85, 2. Walker, List, etc. I, 128 (?), and V, 106. 



N. B. According toMacquart, Dipt. Exot. (Mem. de Lille, 1838, 2epart. 



p. 175), this species and Xyl. Americanus belong to genus Subula, 



Dialysis Walk. 



dissimilis Walk. N. America. Walker, Dipt. Saund. I, 4. List, etc. 



I, 128 (X. Americanus Wied. ?) 



Caenomyia Latr. 



pallida Say. St. Peter's River (Say) ; N. York (Walk.) ; Mass. (Harris 



Cat.). Say, Long's Exp. App. p. 369. Amer. Ent. II. Wied. Auss. 



Zweifl. I, 86, 1. Harris, Ins. New Engl. p. 407. Walker, List, etc. I, 

 131 ; V, 113. Macq. Dipt. Exot. 5e Suppl. p. 38, 1. Mem. de Lille, 1855. 

 N. B. About Sicus Crucis Fab. (Ent. Syst. IV, 264, 7, and Syst. antl. 

 p. 76, 5) from West Indies, conf. Wied. Auss. Zweifl. I, 86. 



Earn. IV. TABANIDA. 



Pangonia Latr. 

 aurulans Wied. Mexico. Wied. Auss. Zweifl. II, 620, 12. Walker, 



List, etc. V, 120. 

 basilaria Wied. Mexico. r-Wied. Auss. Zweifl. II, 621, 13. Walker, 



1. c. V, 120. 

 bicolor Macq. Mexico. Macq. Dipt. Exot. 4e Suppl. p. 27, 57. Mem. 



de Lille, 1849, p. 331. 

 fusiformis Walk. N. America. Walker, Dipt. Saund. I, 19 (trans- 



lucens Macq. var. ?) 



