18 XYLOPHAGT. TABANIDA. 



Fam. III. XYLOPHAGI. 



Rachicerus Haliday. 

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



Xylophagus 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). 



faacipennis Harris. Cat. Ins. Mass. 



heros Harris. Cat. Ins. Mass. 



incisuralia Harris. Cat. Ins. Mass. 



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



politus Harris. Cat. Ins. Mass. 



reflectens Walk. N. York. Walker, List, etc. 1, 129 (Subula, vid, 



Walk. 1. c. V, 110). 



nifipalpis 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. 



w. 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. 



Fam. IT. TABANIDA. 



Pangonia Latr. 

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



List, etc. V, 120. 

 basilaris Wied. Mexico. 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. 1, 19 (Jtrans- 



lucens Macq. var. ?) 



