CATALOGUE OF NORTH AMERICAN DIPTERA. 525 



BIGOT, Annales, 1877, 251 (Somomyia argcntifcra). Mexico. 



RILEY, Rept. U. S. Ent. for 1890, 248, pi. vn (Lucilia casar). [Howard.] 



BRAUER and* BERGENSTAMM, Zweifl. d. Kaiserl. Mus., v, 420, oc. of caro- 



lincnsis in Mexico. 



HOUGH, Biol. Bull., i, 27, figs, and syn. 

 HOWARD, Proc. Wash. Acad. Sci., n, 579, figs, early stages; larvae breed 



abundantly in cowdung. 

 BRUES, Psyche, June, 1902, 354, the brilliant blue larvae in cowdung. - 



Tex. 

 Common and widespread in the United States J. M. A. 



PYRELLIA. 



DESVOIDY, Myodaires, 462, 1830. 



BRAUER and BERGENSTAMM, Zweifl. d. Kaiserl. Mus., iv, 157, 1889; vi, 181, 



1893. 



HOUGH, Biol. Bull., I, 26, 1899; Kans. Univ. Quart, ix, 218, 1900, distin- 

 guishes this from Morcllia. 

 basalis WALKER, see Morcllia. 

 ? cadaverina LINNE, Fauna Suec., 2d edit., 451 (Musca).- Europe ; "habitat in 



cadaveribus." 



MEIGEN, Syst. Beschr., v, 59 (Musca). 

 SCHINER, Fauna Austr., i, 593. 

 FITCH, Survey, etc., Soi, oc. in N. A. 



HOUGH, Biol. Bull., i, 27, not seen, doubtful if it occurs in N. A. 

 cadaverum KIREY, Fauna Bor. Amer., Ins., 316 (Musca). Arctic America. 



Canad. Ent., xin, 168, quotes orig. desc. 

 centralis LOE\V, see Morcllia violacca. 

 cyanicolor ZETTERSTEDT, Dipt. Scand., iv, 1323. Europe. 

 LOE\V, Cent., vm, 63 (sctosa). 111. 

 ? WALKER, Dipt. Saund.. 347 (Musca occidcntis).U. S. [Hgh., with a 



doubt.] 

 HOUGH, Biol. Bull, i, 27, figs, and syn. ; compared Loew's types with 



European specimens. 

 flora BIGOT, Annales, 1878, 36. Hayti. 



BRAUER, Sitzungsber. d. K. Akacl.,' cvm, 527, gen. ref. confirmed. 

 frontalis THOMSON, Eugen. Resa, 545. Cal. 

 iris BIGOT, Annales, 1878, 36. Mex. 



HOUGH, Biol. Bull., i, 30, notes; Kans. Univ. Quart., ix, 216. The ref- 

 erences of Hough are not confirmed by Brauer. 

 BRAUER, Sitzungsber. d. K. Akad., cvm, 527, confirms gen. ref. from 



type, 

 meridensis MACQUART, Dipt. Exot., Suppl. i, 199 (Lucilia'). Merida, Yucatan. 



BRAUER, Sitzungsber. d. K. Akad., cvm, 522, gen. ref. from type. 

 obscuripes BIGOT, Bull. Soc. Zool. France, 1887, xn, 616. Mex 



BRAUER, Sitzungsber. K. Akad., cvm, 520, type is unrecognizable. 

 occidentis WALKER, see cyanicolor. 



ochricornis WIEDEMANN, Auss. Zweifl., 11, 408 (Musca). Brazil. 

 MACQUART, Dipt. Exot., n, 3, 149, pi. xx, f. 5. Cuba. 

 BIGOT, in Sagra's Cuba, 821. Cuba. 

 HOWARD, Proc. Wash. Acad. Sci., n, 580, note on habits. 

 Porto Rico Roeder and Coquillett. 

 ochrifacies DESVOIDY, see Morcllia. 



