snow: list of north AMERICAN SVRPHID.'E. 26 1 



TEMNOSTOMA. 



alternans Loew; Slosson, P. — Mt. Wash, 

 bombylans Fabr. ; Slosson, P. — Mt. Wash, 

 venustum Will.; Slosson, R. — Mt. Wash. 



MILESIA. 



pulchra Will., B, p. 74, pi- H, figs, ii, iia, iib, iic. — Guatemala. 



CERIA. 



abbreviata Loew; Snow, antea, p. 246. — Colo. 



arietis Loevv; G.-T., H, p. 32. — Mex. 



bergrothi Will., B, p. 77. — Mex. 



meadei Will., B. p. 76, pi. II, figs. 12, T2a, 12b. — Mex. 



nigra Big.; Will., B, p. 77. — Mex. 



pedicellata Will., Synopsis, p. 264; B, p. 77. — Mex. 



signifera Loew; G.-T, H, p. 32. — Mex. 



schnablei Will., B, p. 76.— Mex. 



townsendi Snow, antea, p. 246. — N. M. 



tridens Loew; Snow, antea, p. 246. — N. M. 



verralli Will., B, p. 75. — Panama. 



Bibliography. 



A — Williston, S. W., Diptera Brasiliana ab H. H. Smith collecta, in 

 Transactions of the x\merican Entomological Society, Phila- 

 delphia, XV, 1888, pp. 243-292. 



B. — Williston, S. W., Biologia Centrali Americana, Diptera, III. 



C. — Williston, S. W. , List of Diptera of Death Valley Expedition, in 

 North American Fauna, No. 7, Washington, 1893, p. 255. 

 Williston, S. W., New or Little-Known Diptera, in Kans. Univ. 



Quart., Vol. II, 1893, Oct., pp. 59-78. 

 Williston, S. W., A New Species of Criorhina and Notes on Syn- 

 onymy, in Entomological News, A^ol. Ill, p. 145. 

 Williston, S. W. , Synopsis of North American Syrphidse, in Bull. 

 LI. S. Nat. Mus., No. 31, Washington, 1886. 



D. — Lynch Arribalzaga, F. , Dipterologia Argentina (ySyrphidce), in 

 Anales de la Sociedad Cientifica Argentina, 1891, 1892 

 (Separate, pp. 3-181). 



E. — Giglio-Tos, E., On Rhopalosyrphus and Omegasyrphus, in Boll. 

 Mus. Zool. Anat. Comp. R. Univ. Torino, Vol. II, No. 118, 

 1S92. 



F. — Giglio-Tos, E., Diagnosi di Nuove Specie di Ditteri, VI. Sirfidi 

 del Messico, in Boll. Mus. Zool. Anat. Comp. R. Univ. Tor- 

 ino, Vol. VII, No. 123, 1892. 



