246 
The Ohio Naturalist. 
[Vol. V, No. 2, 
CHRYSOPS. 
carbonarius Walker, List I, 203, Ricardo, An. IMag. Nat. Hist., Series 7, 
303. From Me., X. H., Mass., Col., Wyo., X. J., X. C., Canada. 
niger Walker (not Macq), List I, 202. 
provocans Walker, Dipt. Saund. I, 73. 
(?) atra Macquart, Dipt. Exot., Suppl. 4, 40. 
fngax Osten Sacken, Prodrome I, 375. Williston Tr. Ks. Acad. Sci. X, 
132. 
ceras Townsend, Psyche VIII, 38. From New Mexico and northern 
Mexico. 
coloradensis Bigot (in part), Mem. Soc. Zool. Fr. V, 605. Ric;>rdo, Ann. 
Mag. Xat. Hist., Ser. 7. VIII, 307. From Col., Cal., and Washington, 
coquillettii Hine. Described in this paper. From Colorado, 
discalis Williston, Tr. Conn. Acad. IV. 245. From Wyo., Col., Mont, and 
Utah. 
excitans Walker, Dipt. Saund. 72. Osten Sacken, Prodrome I, 373. From 
_ Me., X. H., Pa.. Wash.. B. C., Ills., Mass, 
facialis Townsend, Psyche \'III, 39. From X. M. and Ariz. 
frigidus Osten Sacken, Prodrome I, 384. Prodrome II, 474. Hine, Taban. 
Ohio 37. From X. H., X. Y,, Mass., X. J,, Ohio, Wash., British 
Possessions. 
fulvaster Osten Sacken, West. Dipt. 221. Ricardo, An. Mag. Xat, Hist., 
vSer. 7, Vni, 306, From Col., Utah, Wyo., Ariz., X. M., Mont. 
coloradensis Bigot (in part) Mem. Soc. Zool. Fr. V, 605. 
furcatus Walker, List I, 199. Osten Sacken Prodrome I, 391. Ricardo, An. 
Mag. Xat. Hist. Ser. 7, VIII. 302. From X. Y., Montreal, Canada, 
lupus Whitney, Can. Ent. XXXVI, 205. From Colorado, 
mitis Osten Sacken Prodrome I. 374. From Mont., Wash., Montreal, 
Canada. 
nigripes Zetterstedt, Ins. Lap. I, 519. Loew, Vehr. Zool. Bot. Ges. VIII, 
623. Osten Sacken, Prodrome I. 394. Coquillett, Wash. Acad. Sci. II, 
406. From Europe, Lapland and Alaska, 
noctifer Osten Sacken, West. Dipt. 220. From Cal., Wash., Mont., Br. Col. 
pertinax Williston, Tr. Ks. Acad. Sci. X, 132. Ricardo, An. Mag. Xat. 
Hist., Ser. 7, VIII, 307. 
nigriventrts Bigot, Mem. Soc. Zool. Fr. V, 604. 
pachycera Williston, Tr. Ks. Ac. Sci. X, 134. Adams, Ks. Un. Sci. Bull. 
II, 442. From Cal. and Ariz. 
pikei Whitney, Can. Ent. XXXVI, 205. From Missouri, 
proclivis Osten Sacken, West. Dipt. 222. Ricardo, An. Mag. Xat. Hist. 
Ser. 7, VIII, 306. From California and Washington. 
atricornis Bigot, Mem. Soc. Zool. Fr. V, 603. 
pachycera Williston (male onlv) Tr. Ks. Ac. Sc. X, 134. Adams, Ks. Un. 
Sc. Bull. II, 442. 
sequax Williston, Tr. Ks. Ac. Sci. X, 133. From Ks. and X. C. 
surdus Osten Sacken, West. Dipt. 223. Williston, Tr. Ks. Ac. Sci. X, 134. 
From Cal., Or. B. C. 
virgulatus Bellardi, Saggio Ditt. Mes. I, 71, tab. 2. fig. 17. Williston, Biol. 
Cent. Am. I, 255. From Mexico. 
gcminatits Maccjuart (not Wiedemann). Di])t. Exot. Suppl. IV, 39. 
crassicornis v. d. Wul]), Wien. Ent. Zeit. Ill, 141. 
sii.vii's. 
gigantrdus Lo.'w, Di])t. Am. Sc])t, ind. Part 10. Xo. 12. Osten Sacken, 
West. Dijit. 215, Catalogue of 1878. 226. From Cal., Wash., B. C., 
X. Mex., Col. 
trifolium Osten Sacken. Prodrome I, 395. 
