136 NOCTUID^. 



costa, then minutely dentate, excurved to vein 4, then incurA-ed and 

 with some dark suffusion beyond it in submedian interspace ; sub- 

 terminal line absent; cilia intersected by black streaks in the inter- 

 spaces. Hind wing white, the veins slightly tinged with brown, the 

 terminal area very slightly irrorated with brown ; a terminal series 

 of black points with slight streaks from them intersecting the cilia ; 

 the underside with the costal and terminal areas slightly irrorated 

 with brown, a slight dark dissoidal lunule and faint postmedial 

 line with minute dark streaks on the veins. 



Hah. U.S.A., Illinois (Kemp), 1 S , Montana, Miles City, 

 Colorado, Denver, 1 (J . Ecrp. 32-45 millim. 



3722. Acronycta lepusculina. (Plate CXXVI. fig. 12.) 



Acronycta lepusculina, Guen. Noct. i. p. 46 (1852); Smith, Cat. Noct. 



N. Am. p. 39. 

 Acronycta. insila, Smith & Dyar, Pr. U.S. Nat. Mus. xxi. p. 56, pi. iv. 



f. 3'&pl. X. f. 8 (nee Wlk.). 



Head and thorax white irrorated with fuscous ; palpi blackish at 

 sides ; abdomen whitish, dorsally tinged with brown, ventrally 

 irrorated with fuscous. Fore wing white irrorated with fuscous, 

 the veins with slight dark streaks ; subbasal line represented by a 

 blnck point on costa ; a short diffused dark streak below base of 

 cell ; antemedial line represented by a diffused oblique blackish 

 striga from costa ; orbicular with very faint dark outline, minute, 

 round ; reniform a slight blackish lunule with blackish mark above 

 it on costa ; postmedial line strongly bent outwards below costa, 

 then dentate and defined by diffused fuscous on outer side, forming 

 slight lunules above and below vein 5, slightly angled inwards at 

 discal fold, strongly incurved below vein 4 and bent outwards at 

 vein 1, with a slight dark streak beyond it in submedian fold; 

 subterminal line absent; a series of small black spots on termen 

 and base of cilia. Hind wing white slightly irrorated with brown 

 and the veins tinged with brown ; a series of small black spots on 

 termen and base of cilia ; the underside with blackish discoidal 

 lunule. 



i/o6. U.S.A., New York {DouUeday), 2 $, Ithaca, Illinois, 

 Chicago, Urbana, S. Dakota, Volga, 'New Mexico, Las Vegas 

 (CockereU), 1 c^ . Exp. 37-50 millim. Type f in Mus. Paris. 



3723. Acronycta chionochroa, n. n. (Plate CXXVI. fig. 13.) 



Acronycta lepusculina, Smith & Dyar, Pr. U.S. Nat. Mus. xxi. p. Qio, pi. i. 

 f. 1. & pi xi. f. 8 (nee Guen.). 



c? . Head and thorax white slightly mixed with fuscous ; sides of 

 palpi except at tips, of frons, and the antennae black ; shoulders and 

 buter edges of patagia with black stripes ; tarsi ringed with black ; 

 abdomen white with fuscous dorsal hands, the ventral surface 

 irrorated with black. Fore wing white sparsely irrorated with 

 black ; a very oblique subbasal black striga from costa ; a black 

 streak below base of cell emitting a slight spur from lower side at 



