94 CATALOGUE OF NORTH AMERICAN DIPTERA. 



Beling, Verh. Zool. Bot. Ges., 1878, 45, desc. of larva and pupa of a Euro- 

 pean species. 



HiNE, Ohio Naturalist, iii, 416, 1903, table of species. 

 albivitta Walker, List, i, ZT, loc. cit, 38 (contermina) [O. S.]. — Nova Scotia. 



OsTEN Sacken, Proc. Acad. Nat. Sci. Phil., 1859, 248; Mon. N. A. Dipt., 

 IV, 273. — Trenton Falls, N. Y. ; Conn. ; Mass. 



Aldrich, Psyche, Feb., 1895, 201, fig. of wing. — N. J. 



Pettit, Bull. 186, Mich. Ex. Sta., oc. at Chatham, in N. Mich. 



Quebec — Wulp. 

 magnifica Hine, Ohio Naturalist, iii, 417. — Port Renfrew, B. C. 

 obtusa OsTEN Sacken, West. Dipt., 205 ; Stud. Tipul., 11, 224.— San Francisco. 



Aldrich, Psyche, Feb., 1895, 202, redesc. — Wash. 



OsTEN Sacken, Psyche, April, 1895, notes. 



CoouiLLETT, Proc. Wash. Acad. Sci., 11, 401, oc. in Alaska. 



A^'o^*?.— The specimen I described has the dark mark on the wing extend- 

 ing to the hind border; Osten Sacken's had not. I have now another 



(broken) specimen which agrees with his. There may be three western 



species. 

 rivosa Linn., see Tipida iwdulicornis. 



ORNITHODES. 



CoQUiLLETT, Proc. Wash. Acad. Sci., 11, 400, 1900. 

 harrimani Coquillett, loc. cit. — Virgin Bay, Prince William Sound, Alaska. 



POLYANGiEUS. 



DoANE, Jour. N. Y. Ent. Soc, viii, 196, 1900. 

 maculatus Doane, Jour. N. Y. Ent. Soc, viii, 197, pi. viii, f. 20.— Seattle and 

 Olympia, Wash. 



CYLINDROTOMA. 



Macquart, Hist. Nat. Dipt., i, 107, 1834. 



Zetterstedt, Dipt. Scand., x, 3900, 185 1. 



ScHiNER, Fauna Austr., 11, 562, 1864. 



Osten Sacken, Mon. N. A. Dipt., iv, 296, 1869. 



MiALL and Shelford, Trans. Ent. Soc. Lond., 1897, 343-346, 4 plates, con- 

 tains a discussion of the larva of a European species. 

 americana Osten Sacken, Proc. Ent. Soc. Phil., 1865, 236; Mon. N. A. Dipt., 



IV, 299.— White Mts., N. H. 

 juncta Coquillett, Proc. Wash. Ac. Sci, 11, 401. — Virgin Bay, Alaska. 

 nodicornis Osten Sacken, see Liognia. 

 splendens Doane, Jour. N. Y. Ent. Soc, viii, 197, pi. viii, f. 21. — Unalaska. 



TRIOGMA. 



Schiner, Wiener Ent. Mon., vii, 223, 1863; Fauna Austr., 11, 560, 1864. 

 Osten Sacken, Mon. N. A. Dipt., iv, 303, 1869. 

 exsculpta Osten Sacken, Proc. Ent. Soc. Phil., 1865, 239; Mon. N. A. Dipt., iv, 

 304.— Pa. 



LIOGMA. 



Osten Sacken, Mon. N. A. Dipt., iv, 298, 1869; Stud. Tipul., 11, 226, note. 

 nodicornis Osten Sacken, Proc. Ent. Soc. Phil, 1865, 239 (Triogma) ; Mon. N. 

 A. Dipt., IV, 301 (Cylindrotoma) ; Stud. Tipul., 11, 226, note. — D. C. ; 

 N. Y. ; White Mts., N. H. ; 111. ; N. J. Cat. gives Quebec 



