CATALOGUE OF NORTH AMERICAN DIPTERA. 2I3 



fulviventris Bigot, Annales, 1879, 187 (Macroceroniys) .—Mex. 

 pallipes LoEw, Cent., iii, 9 (Subiila). — 111., Wis. 



WiLLisTON, Canad. Ent., xvii, 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— larvK in numbers under bark 

 of fallen cottonw'ood tree. — Trinidad, Col. (id.). 



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

 parens Williston, Canad. Ent., xvii, 122 (Snbula). — Wash. 

 tenthredinoides Van der Wulp, Tijdsch. v. Ent.. x, 132, pi. iii, f. 5 (Subula).— 

 Wis. 



Johnson, Ent. News, xiv, 24. — 111. and Pa. 



BOLBOMYIA. 



LoEW, Bernstein und Bernstein-fauna. 39, 1850, transl. in Silliman's Jour., 

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

 nana Loew, Cent., 11, 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. 11, 107, 1886. 

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

 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., 



Ill, 263, 1895, full discussion. 

 Bergroth, Wien. Ent. Zeit., viii, 296, 1889, tables of N. A. spp., but not 



in W^illiston's sense. 

 TowNSEND, Proc. Ent. Soc. Wash., 11, 117, 1891. 

 aldrichi Williston, Kans. Univ. Quar^, iii, 165. — Craig's Mt., Idaho (not Craig 



Mts.). 

 dispar Bigot, Annales, 1879, 197.^ — Cal. 



Osten Sacken, Berl. Ent. Zeitschr., xxvii, 295, note on type ; refers to 



Triptotriclia. 

 elongata Say, Jour. Acad. Sci. Phil., iii, 41; Compl. Works, 11, 58 {Stygia). — 



Pa. 

 Wiedemann, Auss. Zw., i, 315 {Anthrax) ; 561 (Lomafia). 

 Walker, List, i, 128 (Xylophagus americantis Wied., with a doubt) ; Dipt. 



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

 Osten Sacken, Berl. Ent. Zeitsch., xxvii, 295 (Triptotriclia dissiinilis). 

 Johnson, Ent. News, viii, 117, variation in venation. 

 N. J. — Smith Cat. ; TVIontreal — Chagnon. 

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

 Johnson, Ent. News, viii, 118. — N. C. 



