292 GEORGE D. HULST. 



dentate outward on vein 2, with a deep sinus following, then rounding out to 

 inner margin ; another line subparallel, but not so irregular, beyond this: finally 

 one beginning at a blackish spot on costa, strongly dentate on veins to middle, 

 then faint and quite straight to within posterior angle ; hind wings fuscous gray, 

 veins a little darker, a faint lighter band beyond middle, the wings becoming 

 dark fuscous outwardly ; marginal line on fore wings black, broken, the fringes 

 checkered ; on hind wing marginal band present, continuous, fringes interlined ; 

 beneath dark cinereous, the markings above reproduced, but less definitely. 

 Colorado, from Mr. Bruce, also from California and Washington. 



42. XANTHORHOK Hiib. 

 Verz. 327, 1818 (Petrophora Hiib. Tentamen 1810). 



Type montanata Bork. 

 •Calostygia Hiib.. Verz. 328, 1818, type turbafa Hiib. 

 Melanydris Hiib.. Verz. 329, 1818, type incursata Hiib. 

 Plerocymia Hiib.. Verz. 330, 1818, type cervinata Schilf. 

 Amwba Hiib., Verz. 333. 1818, type viridnria Fab. 

 Ochyria Hiib., Verz. 334. 1818, type qnadrifasciaria Clerck. 

 Onychia Hiib., Verz. 334, 1818, type peribolata Harv. 

 f<cotopteryx Hiib.. Verz. 338, 1818, type coarctata Hiib. 

 Ortholifha Hiib., Verz. 338. 1818, type plumbaria Fab. 

 Mesotype Hiib., Verz. 338, 1818. ty^te parallelaria Hiib. 

 Euboliu Dup.. Hist. Nat. viii, 162, 1829, type limifatn Scop. 

 Larentia Dup., Hist. Nat. viii. 358. 1829. type cervinata Schifi^. 

 Zeryntha Curt., Brit. Ent. 296, 1830, type didymnta L. 

 Cymazonita Sodof , Bull. Imp. Soc. Mosc. 126 1837, type montanata Bork. 

 Eusebia Dup., Cat. Meth. 249, 1844, type bipunctaria Schif. 

 Coremia Guen., Phal. ii, 408, 1857, type munitaia Hiib. 



Palpi moderate, porrect ; tongue developed ; clypeus smooth, or 

 slightly tufted ; antennae of % bipeetinate, of 9 filiform ; thorax 

 and abdomen untufted ; fore tibi;* unarmed ; hind tibiae with all 

 spurs; fore wings 12 veins, two accessory cells, 6 shortly stemmed 

 with 7 or separate ; hind wings 8 veins, 8 with cell to beyond middle 



Species : — 

 X. volucer Hulst, n. sp. A", mimitata Hiib. 



A', incurmta Hiib. fX. ferragata Hiib . 



fX. abrasa j'la H.-8ch . [_Gn.) X. uiiidentaria Haw. 



A", multllmeata Pack, (implicata A', montaitata Haw. 

 X. illocata Hulst, n. sp. / A"^. convallaria Gue n. 



X. borealis Hulst, n. sp. X. defensaria Guen. 



X. nemorella Hulst, n. sp. X. fiuctuata L. 



X. algiduta Moesch. 



X. borealis n. sp. — Expands 26 mm. Antennte blackish ; head fuscous 

 brown, reddish at summit; thorax and abdomen dark fuscous. Wings dull fus- 



