98 NOCTUID^. 



the area beyond it rather darker with black streaks in the inter- 

 spaces. Hind wing whitish tinged with brown, the veins and 

 terminal area suffused with brown, nearly uniformly suffused in 

 female ; cilia whitish, with a brown line through them ; the under- 

 side white, the costal and terminal areas irrorated with brown, a 

 dark discoidal spot and indistinct postmedial line. 



Ilah. Canada ; U.S.A., N., E., & Middle States, 2 S , Xew York, 

 Albany (Br. Bailey), 2 2 ? Ohio, Minnesota, Nebraska, Colorado, 

 Durango {Oslar), 2 c? , 2 5 , New Mexico. Exp. 40-44 millim. 



Larva. Head brown, faintly reticulate, the sutures pale. Body 

 greenish, finely marked in brown, forming faint oblique dark sub- 

 dorsal shades and a short transverse bar on joint 12. Lines obsolete 

 except the substigmatal, which is broad, yellow-edged above, red- 

 filled and diffuse below. Feet pale ; spiracles white. — H. G. D. 



1260. Polia nevadae. (Plate LXXXI. fig. 1.) 



Mamestra nevadce, Grote, Bull. Euff. Soc. Nat. Sci. iii. p. 84 (1870) ; Smith, 



Cat. Noet. N. Am. p. 118. 

 Mamestra canadensis, Smith, Pr. U.S. Nat. Mus. x. p. 4G4 (1887); id. Cat. 



Noct. N.Am. p. 118. 



Head, thorax, and abdomen dark brown mixed with grey ; tegulre 

 with black medial line. Fore wing dark brown with a purplish 

 tinge, some whitish irroration on costa and inner margin ; the 

 base of costal area ochreous-white doAvn to the sinuous black streak 

 below base of cell ; some rufous suffusion in submedian fold and in 

 discal fold from middle of cell to subtcrminal line ; antemedial line 

 indistinct, oblique, waved, defined by whitish on inner side ; clavi- 

 form small, defined by black ; orbicular and reniform whitish, the 

 former moderate, oblique elliptical, defined by black except above, 

 the latter defined by black on inner side, extending to below cell, its 

 lower part suffused with fuscous; postmedial line almost obsolete, 

 dentate, bent outwards below costa, excurved to vein 4, then 

 incurved ; subtcrminal line white, with small dentate dark marks 

 before it at middle, angled outwards at vein 7 and dentate to termen 

 on veins 4, 3 ; a terminal series of small black lunules. Hind wing 

 fuscous brown ; the cilia whitish with a dark line through them ; 

 the underside whitish irrorated with brown, a dark discoidal spot. 



Hah. Canada, New Brunswick, Ottawa, 1 6 , Calgary {Wolleij- 

 Dod), 1 J ; U.S.A., California, Sierra Nevada, 1 cS type. Exjy. 

 40 millim. 



Larva. (Original.) Head reddish luteous, reticulations narrow, not 

 prominent, the vertical bands distinct. Body dark brown, reddish- 

 tinted, mottled ; subdorsal oblique shades join the broad dark dorsal 

 band, which is widened into an ill-defined open lattice. The pair 

 on joint 12 are confluent, truncate behind. Dorsal and subdorsal 

 lines whitish, broken, the latter reddish-edged below. Substigmatal 

 band broad, white, partly red-filled. Cervical shield and anal jjlato 

 darkened, not chitinized, the former trilineate in pale. 



A general feeder. — H. G. D. 



