102 NOC'TUII)^^, 



joint of palpi with Llack band ; shoulders with black stripes ; vertex 

 of thorax with yellowish stripe ; mid and hind tibiag streaked with 

 black ; abdomen Avhite dorsally irrorated with fuscous. Fore wing 

 white irrorated with fuscous and black, the veins white with slif^ht 

 black streaks between them near orif<in from cell ; subbasal and 

 iintemedial lines absent ; a black streak in basal half of submedian 

 fold, difiused below and defined by a fine white streak above, ex- 

 tending to medial line ; orbicular white defiued by black except 

 above, oblique, acute at lower extremity and with oblique black 

 streak from it to lower extremity of reniform, which is vvhitish 

 slightly defined by black on inner side, undefined on outer ; a 

 diffused oblique dark bar from middle of costa to reniform and 

 traces of an obliaue sinuous line from lower angle of cell to inner 

 margin ; postmedial line black slightly defined by white on inner 

 side, strongly bent outwards below costa, then dentate, excurved 

 to vein 4, then very oblique and angled outwards on vein 1, rather 

 diffused black streaks from well before it to termen in discal and 

 submedian folds ; a series of small wedge-shaped black marks on 

 termen and cilia, the mark above vein 2 longer. Hind wing pure 

 white; the underside with the costal area irrorated with a few 

 black scales, a black discoidal spot and some points on termen. 



$. IJind wdng with the terminal area slightly irrorated M'ith 

 brown. 



Hah. U.S.A., Colorado (Bruce), 1 6, 1 $> Glenwocd Springs, 

 1 (5,1 $ . Exp. 44 millim. 



3681. Acronycta thoracica. (Plate CXXV. fig. 16.) 



Apniela fhoracica. Grote, N. Am. Eiit. i. p. 94 (1879) ; Smith & Dyar, Pr. 

 U.S. Nat. Mus. xxi. p. 91, pi. iii. f. 8 ; tSmith, Cat. Noct. N. Am. p. 37. 



$ . Head and thorax white mixed with brown and black ; 2nd 

 joint of palpi wath black band, frons black at sides and with slight 

 black bar above ; antennae with the b;ts;il joint white in front ; 

 shoulders and outer edges of patagia with black streaks ; prothorax 

 dorsally tinged with reddish oehreous, the metathorax Avith slight 

 paired black marks; tibise streaked with black, the tarsi banded 

 with black ; abdomen white irrorated with fuscous and dorsally 

 tinged with brown. Pore wing white suffused with grey and 

 irrorated with black ; subbasal line represented by double black 

 striae from costa and single striga from cell ; a strong black streak 

 in submedian fold from base to well beyond antemedial line Avith a 

 white streak above it extending to medial line; the antemedial 

 line represented by a black striga from costa, interru]>ted to median 

 nervure, then angled inwards in submedian fold and strongly out- 

 wards above inner margin ; orbicular white defined by black, small, 

 oblique, triangular, "with oblique black streak from its extremity 

 to lower extremity of reniform, which is defined b}^ black on inuer 

 side, undefined on outer and with its centre tinged with rufous, an 

 oblique black bar above it from costa, and an indistinct sinuous 

 line from lower angle of cell to inner margin at vein 1 ; postmedial 



