CATALOGUE OF NORTH AMERICAN DIPTERA. 2 I 3 



fulviventris BIGOT, Annales, 1879, l &7 (Macroceromys). Mex. 

 pallipes LOE\V, Cent., in, 9 (Subitla). 111., Wis. 



WILLISTON, Canad. Ent., xvn, 122, oc. in Mont, and S. Cal. (id.). 



TOWNSEND, Ent. News, iv, 163, puparium, habits, etc. (id.). 



BAKER, Ent. News, vi, 173, note on habits larvae in numbers under bark 

 of fallen cottonwood tree. Trinidad, Col. (id.). 



Atlantic States O. S. ; N. J. Smith Cat. 

 parens WILLISTON, Canad. Ent., xvn, 122 (Subula). Wash. 

 tenthredinoides VAN DER WULP, Tijdsch. v. Ent., x, 132, pi. in, f. 5 (Subula). 

 Wis. 



JOHNSON, Ent. News, xiv, 24. 111. and Pa. 



BOLBOMYIA. 



LOEW, Bernstein mid Bernstein-fauna, 39, 1850, transl. in Silliman's Jour., 



xxxvn, 313, and O. S. Cat., 223, note 46. 

 nana LOEW, Cent., n, 5. D. C. 



GLUTOPS. 



BURGESS, Proc. Bost. Soc. Nat. Hist, 1878, 320. 

 BRAUER, Zweifl. d. Kaiserl. Mus., 11, 17, 1882. 

 singularis BURGESS, op. cit., figs. Springfield, Mass. 



ARTHROCERAS. 



WILLISTON, Ent. Americana, n, 107, 1886. 

 leptis, of Mrs. Slosson's List, see Arthropeas. 

 pollinosum WILLISTON, Ent. Americana, 11, 108. Wash., Col. 



DIALYSIS. 



WALKER, Dipt. Saundersiana, 4, 1856. 

 OSTEN SACKEN, Cat., 43, notes, 1878. 

 WILLISTON, Entomologica Americana, 11, 106, 1886; Kans. Univ. Quart., 



in, 263, 1895, full discussion. 

 BERGROTH, Wien. Ent. Zeit., vni, 296, 1889, tables of N. A. spp., but not 



in Williston's sense. 



TOWNSEND, Proc. Ent. Soc. Wash., n, 117, 1891. 

 aldrichi WILLISTON, Kans. Univ. Quart., in, 165. Craig's Mt., Idaho (not Craig 



Mts.)- 

 dispar BIGOT, Annales, 1879, 197. Cal. 



OSTEN SACKEN, Berl. Ent. Zeitschr., xxvn, 295, note on type; refers to 



Triptotricha. 

 elongata SAY, Jour. Acad. Sci. Phil., in, 41; Compl. Works, n, 58 (Stygia). 



Pa. 



WIEDEMANN, Auss. Zw., i, 315 (Anthrax) ; 561 (Lomatia). 

 WALKER, List, i, 128 (Xylophagus americanus WIED., with a doubt) ; Dipt. 



Saund., 4, syn. (Dialysis dissimilis). N. A. [Will.] 

 OSTEN SACKEN, Berl. Ent. Zeitsch., xxvii, 295 (Triptotricha dissimilis). 

 JOHNSON, Ent. News, vin, 117, variation in venation. 

 N. J. Smith Cat. ; Montreal Chagnon. 



fasciventris LOEW, Berl. Ent. Zeitschr., 1874, 380 (Triptotricha). Pa. 

 JOHNSON, Ent. News, vni, 118. N. C. 



