CATALOGUE OF NORTH AMERICAN DIPTERA. 297 



LOEW, Neue Beitr., v, 22, 1857; vin, 71, 1861 ; Mon. N. A. Dipt., n, 211, 



1864. 



SCHINER, Fauna Austr., i, 229, 1862 (inclusive of Scellus). 

 KOWARZ, Wien. Ent. Zeit., 1884, !09, table of European species. 

 WHEELER, Ent. News, 1896, 185 (Parhydrophorus, in part) ; Proc. Cal. 



Acad. Sci., n, 62, table of species. 

 cDstuum LOEW, Cent., vin, 60. Newport, R. I. 

 agalma WHEELER, Proc. Cal. Acad. Sci., n, 33, 66, pi. iv, f. 120, 121. Battle 



Creek, Mich. 

 ? alboflorens WALKER, List, in, 656 (Medeterus). Nova Scotia. 



WHEELER, Proc. Cal. Acad. Sci., n, 63, genus doubtful. 

 algens WHEELER, Proc. Cal. Acad. Sci., n, 63, pi. iv, f. 123. Two-gwo-te-ee Pass, 



W. Wyo. 



breviseta THOMSON, Eugen. Resa, 510 (Medeterus}. Cal. 

 canescens WHEELER, Ent. News, vii, 187, fig. (Parhydrophorus'). 40 miles n. of 



Lusk, Wyo. Lawrence, Kans. J. M. A. 



cerutias LOEW, Cent., x, 65. Texas. Lawrence, Kans. J. M. A. 

 chrysologus WALKER, List, HI, 655 (Mcdetcnts'). Martin Falls, Canada. 

 LOEW, Mon. N. A. Dipt., 215, 309, quotes desc., with comments. 

 WHEELER, Proc. Cal. Acad. Sci., n, 63, notes. 

 (Scarcely identifiable.) 

 eldoradensis WHEELER, Proc. Cal. Acad. Sci., n, 65, pi. iv, f. 125. Wyo., Cal., 



N. M., Texas, Kansas. 



glaber WALKER, List, HI, 665 (Medeterus) . Martin Falls, Canada. 

 LOEW, Mon. N. A. Dipt., 11, 215, 309, quotes desc. 



COOUILLETT, Proc. Wash. Acad. Sci., n, 426, oc. at Metlakahtla, Alaska. 

 White Mts., N. H. Slosson. 



innotatus LOEW, Mon. N. A. Dipt., n, 212. Sitka. 

 lateralis SAY, see Argyra. 

 magdalenas WHEELER, Proc. Cal. Acad. Sci., n, 67, pi. iv, f. 124. Magdelena, 



N. M. 

 parvus LOEW, Cent., n, 67; Mon. N. A. Dipt., n, 216. Pa. 



WHEELER, Proc. Cal. Acad. Sci., 11, 64, pi. iv, f. 119. Worcester, Mass. 

 philombrius WHEELER, Psyche, July, 1890, 378; Proc. Cal. Acad. Sci., n. 65. pi. iv, 



f. 126, 127. Milwaukee Co., Wis. (type") ; Texas. 

 pirata LOEW, Neue Beitr., vin, 71 ; Mon. N. A. Dipt., n, 214. Pa. 



N. J. Smith Cat. 



punctipennis SAY, see Pelastoncnnts. 



signiferus COQUILLETT, Dipt, of Commander Ids.. 344. Bering Id. 

 sodalis WHEELER, Proc. Cal. Acad. Sci., n, 68, pi. iv, f. 122. Lusk, etc., Wyo. 

 vi viridiflos WALKER, Dipt. Saund., 212. N. A. Mass. O. S. 



SCELLUS. 



LOEW, Neue Beitr., v, 22, 1857; vin, 70, 1861 ; Mon. N. A. Dipt., n, 200, 



1864. 

 avidus LOEW, Mon. N. A. Dipt., n, 207. Ft. Resolution, Huds. Bay Terr. 



Professor Wheeler collected the species in Wyoming. 

 exustus WALKER, Dipt., Saund., 211 (Medetents}. N. A. 



LOEW, Neue Beitr., vin, 71 ; Mon. N. A. Dipt., 11, 203. Middle States, 111. 



S. D., Ida., Wash., in grass J. M. A. 

 filifer LOEW, Mon. N. A. Dipt., 11, 209. Ft. Resolution, Huds. Bay Terr. 



Custer, S. D., on pine trunks J. M. A. 



