CATALOGUE OF NORTH AMERICAN' DIPTERA. 201 



alcis WiLLiSTON, Dipt. St. Vincent, 302, pi. x, f. ~". — St. Vincent, W. I. 

 alene Townsend, Trans. Amer. Ent. Soc, xxii, 59. — Jamaica. 

 allynii Marten, Canad. Ent., xv, no. — N. C. 



WiLLiSTON, Kans. Acad. Sci., x, 136, pt. desc. 

 alteripennis Walker, Trans. Ent. Soc, v, 274. — Mex. 

 americanus Forster, Nov. Spec, Cent., i, 100, 1771. 



Drury, Ins., I, pi. XLiv, f. 2 (pliimbeus). 



Fabricius. Syst. Ent., 789; Ent. Syst., iv, 365; Syst. Antl., 96 (ruficornis). 

 ■ — -America. 



Wiedemann, Dipt. Exot., 62; Auss. Zw., i, 112 (riificornis). — N. A. 



Palisot de Beauvais, Ins. Dipt., pi. i, f. 2 (lintbafiis). 



OsTEN Sacken, Prodrome, 11, 457. — Middle and Southern States. 



111.— Hart; N. J.— Smith Cat; Fla.— Johnson. 

 angustifrons Townsend, Trans. Amer. Ent. Soc, xxii, 59. — Jamaica, 

 annulatus Say, Jour. Acad. Sci. Phil., iii, 32; Compl. Works, 11, 53. — Mo. 



Wiedemann, Auss. Zw., i, 185. 



Osten Sacken, Prodrome, Suppl., 555. — Ky., Ga., Kans., La. 



WiLLiSTON, Kans. Acad. Sci., x, 142, note. 

 astutus Osten Sacken, Prodrome, 11, 471. — N. Y., Conn., White Mts., N. H. 



Montreal — Chagnon. 

 atratus Fabricius, Syst. Ent., 789; Ent. Syst., iv, 366; Syst. Antl., 96. — W. I. 



Palisot de Beauvais, Ins. Dipt., 54, pi. -i, f. i (niger). 



Drury, Ins., i, pi. xliv, f. 3 (americanus, preoc). 



Wiedemann, Dipt. Exot., 63; Auss. Zw., i, 114; loc cit., 113 {validns). — 

 N. A. ; Pa. 



Macquart, Dipt. Exot., I, I, 142. — Mex., Ga. 



Bellardi, Saggio, i, 58. — Mex. 



Harris, Ins. of New Eng., 3d ed., 602. 



Walsh, Proc Bost. Soc. N. H., ix, 304, desc of larva, which feeds on 

 snails (undetermined). 



Riley, 2d Mo. Rept., 128, figs., desc. of larval habits, etc., and identifica- 

 tion of Walsh's larva. 



Osten Sacken, Prodrome, 11, 454. — Southern Canada to Mexico, east of 

 the Rocky Mts. 



Hart, Bull. 111. State Lab. N. H., iv, 242, desc. and figs, of larva and pupa. 



Townsend, Trans. Amer. Ent. Soc, xxii, 60, notes; Jour. N. Y. Ent. Soc, 

 VI, 50, oc in Texas. 



Williston, Biologia, Dipt., i, 259, oc. in Chihuahua, Mex. 



HiNE, Tabanidee of Ohio, 45, egg-laying; 48, desc — Ohio. 

 aurantiacus Bellardi, Saggio, i, 67, pi. 11, f. 9. — Mex. 



Williston, Biologia, Dipt., i, 259. — Guadalajara, San Bias, and Orizaba. 

 Mex. 

 baal Townsend, Trans. Amer. Ent. Soc, xxii, 58. — Dixie Landing, Va. 

 bicolor Wiedemann, Dipt. Exot., 96; Auss. Zw., i, 188. — N. A. 



Macquart, Dipt. Exot., Suppl. v, 35 (riificeps). — Baltimore. 



Walker, List, i, 171 {fulvcscens). — Mass. 



Osten Sacken, Prodrome, 11, 460.— N. Y., Pa., Ill, Quebec. 



HiNE, Tabanidse of Ohio, 48. — Ohio. 



N. J. — Smith Cat.; Montreal— Chagnon. 

 bifenestratus Osten Sacken, Biologia, Dipt., i, 52, pi. i, f. 9.— Durango, Mex. 

 bigoti Bellardi, Saggio, i, 58. — Mex. 



Macquart, Dipt. Exot., Suppl. 11, 20 {apicalis. preoc). [Bell.] 



