28 OHIO STATE ACADEMY OF SCIENCE. 
sequax Williston. Tr. Ks. Acad. Bei X, 137, 1888. Habitat; Oregon- 
sodalis Williston. Tr. Ks. Acad. Sci..X, 1389, 1888. Habitat; N. 
America. 
sonomensis Osten Sacken. West. Dipt. 216. Habitat; California, Alaska. 
sparus, Whitney. Can.Ent, XI, 38, 1879. Habitat; Fla., N.J., N. Hi, 
Conn., Mass. 
Stygius Say. Jr. Acad Se: Phil. III, 33, 1823; Compl. Wrtt Il; of 
Wiedeman, Auss. zweifl. Ins. I, 131. Osten Sacken, Prodrome 
II, 454. Habitat; Middle and Southern States. 
sulcifrons Macquart. Dipt. Exot. Suppl. 5, 33, 1855. Osten Sacken, 
Catalogue 1878, 60 and 228. Habitat; Penn., N. J., Ohio, Ills. 
tectus Osten Sacken. Prodrome II, 436. 
superjumentarius Whitney. Can. Ent. XI, 37, 1879. Habitat; N. H.,. 
Nap Olio: 
susurrus Marten. Can. Ent. XV, 111, 1883. Habitat; Montana. 
tener Osten Sacken. Prodrome II, 440, 1876; Catalogue 1878, 60 and 228. 
Habitat; Ga., Fla. 
(?) unicolor Macquart. Dipt. Exot. Suppl. 2, 22. 
tenessensis Bigot. Mem. Soc. Zool. Fr. V, 660, 1892. Habitat; Tenn. 
tetricus Marten. Can. Ent. XV, 111, 1883. Habitat; Montana. 
tetropsis Bigot. Mem. Soc. Zool. Fr. V, 681, 1892. Habitat; Georgia. 
thoracicus Hine. Can. Ent. XXXII, 247, 1900. Habitat; New York. 
trijunctus Walker. List V, 182, 1853. Osten Sacken. Prodrome II, 
432. Habitat; Florida. 
trimaculatus Palisot de Beauvois. Ins. 56, tab. 1, fig. 5. Wiedeman, 
Auss, .zweilins:; £, 13%; 1, 132., Macquart, Dipt.) Exot 1, pil 
142. Osten Sacken, Prodrome II, 489. Habitat; Middle and 
Southern States west to Kansas. 
quinquelineatus Macquart. Hist. Nat. Dipt. I, 200. 
trispilus Wiedeman. Auss. zweifl. Ins. I, 150. Osten Sacken, Prodrome 
II, 464. Habitat; Northern and Middle States, Illinois, N. J. 
turbidus Wiedeman. Auss. zweifl. Ins. I, 124. Osten Sacken, Prodrome 
My Ac) -blabitapes Ga... Keys sblar 
(?) fusconervosus Macquart. Dipt. Exot. I, pt. 1, 147. 
variegatus Fabricius. Syst. Antl. 95. Wiedeman, Dipt. Exot. I, 67; 
Auss. zweifl. Ins. I, 120. Osten Sacken, Prodrome II, 487. 
Habitat; Middle States. 
venustus Osten Sacken. Prodrome II, 444, 1876. Habitat; Tex., Ks.,. 
Ohio, Oklahoma. 
vicinus Macquart. Dipt. Exot. I, pt. 1, 143. Habitat; Carolina. 
villosulus Bigot. Mem. Soc. Zool. Fr. V, 684, 1892. Habitat ; California. 
vivax Osten Sacken. Prodrome II, 446, 1876; Catalogue 1878, 60 and 
2200 Elabpitabo NE eye Mies, (Ohio: 
(?) marginalis Wiedemann. Auss. zweifl. Ins. I, 166. 
wiedemanni Osten Sacken. Prodrome II, 455; Supplement 559. Habitat; 
Eileen (Gada  Koy, 
ater Wiedeman. Auss. zweifl. Ins. I, 136. 
zonalis Kirby. Fauna. Br. Am. IV, 314. Osten Sacken, Prodrome II, 
463; Catalogue 1878, 56 and 226. Townsend, Tr. Am. Ent. Soc. 
XXII, 58 Habitat; Northern States and Canada. 
flavocinctus Bellardi. Saggio Ditt. Mess. I, 61. Osten Sacken, Cata- 
logue 1878, 226. 
tarandi Walker. List I, 156. 
terrae-novae Macquart. Dipt. Exot. Suppl. 4, 35. 
