CATALOGUE OF NORTH AMERICAN DIPTERA. 325 



tridentata COQUILLETT, Proc. U. S. N. M., xxin, 609. Delaware Co., Pa. 



MELANDER, Mon. Empid., i, 301, f. 132. 



N. J. Smith Cat. 



vaginifer MELANDER, Mon. Empid., i, 352. D. C. 

 valentis COQUILLETT, Revis. Empid., 402. N. Cal. 



MELANDER, Mon. Empid., i, 320, f. 138. Cal. 

 varipes LOEW, Cent., i, 34. Pa. 



MELANDER, Mon. Empid., i, 307. 



White Mts., N. H. Slosson ; Montreal Chagnon. 

 violacea LOEW, see Lamfrcuipls. 



virgata COQUILLETT, Revis. Empid., 408; Proc. Wash. Acad. Sci., n, 408, oc. 

 Wash. ; Alaska, common. 



MELAWDER, Mon. Empid., i, 312, f. 108. 



xochitl WHEELER and MELANDER, Biologia, Dipt., i, 370. Chilpancingo in Guer- 

 rero, Mex. 



MELANDER, Mon. Empid., i, 292, f. 118, redesc. 



HILARA. 



MEIGEN, Syst. Beschr., in, i, 1822. 



SCHINER, Fauna Austr., i, 112, 1862. 



COQUILLETT, Revis. Empid., 394, 1895, table of species. 



MELANDER, Mon. Empid., i, 262, 1902, def. and table of species. 

 atra LOEW, Cent., n, 42. 111. 



MELANDER, Mon. Empid., i, 266. Mass., Col., N. M. 



Beulah, N. M. Skinner. 



aurata COQUILLETT, Proc. Wash. Acad. Sci., n, 411. Kukak Bay, Alaska, and 

 Eastport, Me. 



MELANDER, Mon. Empid., i, 269. 



baculifer MELANDER, Mon. Empid., i, 271, f. 96. Tifton, Ga. 

 basalis LOEW, Cent., n, 45. 111. 



MELANDER, Mon. Empid., i, 267. 

 bella MELANDER, Mon. Empid., i, 271, f. 94. -Mass. 

 brevipila LOEW, Cent., 11, 41. 111. 



MELANDER, Mon. Empid., i, 266. 

 cana COQUILLETT, Revis. Empid., 395. S. Cal. 



MELANDER, Mon. Empid., i, 269. 



carbonaria MELANDER, Mon. Empid., i, 272. New Bedford, Mass. 

 congregaria MELANDER, Mon. Empid., i, 272. Monterey Co., Cal. 



Mentioned with nugax as " Hilara species " by Wheeler, Archiv. f. 



Entwickelungsmechanik der Organismen, 1899, vm, 375, where their habit 



of flying in swarms is discussed. 

 femorata LOEW, Cent., n, 35. Md. 



MELANDER, Mon. Empid., i, 264. N. J., Ohio, Wis. 



White Mts., N. H. Slosson; N. J. Smith Cat. 

 gracilis LOEW, Cent., n, 44. Pa. 



MELANDER, Mon. Empid., i, 266. 



White Mts., N. H. Slosson; N. J. Smith Cat. 

 johnsoni COQUILLETT, Revis. Empid., 395. Ala. 



MELANDER, Mon. Empid., i, 268. Eufala, Ala. 

 leucoptera LOEW, Cent., n, 43. Fla. 



MELANDER, Mon. Empid.. i, 266. 



N. J. Smith Cat. ; Charlotte Harbor, Fla. Johnson. 



