/ 2 yocTcid;. 



mixed Avith brown : the underside white irronitcd with brown, a 

 dark discoidal luniile. 



Ab. 1. faffciddita : darker. 



Hab. U.S.A., Oregon {Crotch), 2 c?, 1 $, type, Colorado, 1 cf , 

 Glenwood Springs (Oslar), 2 cf , 2 $ , California. Eccp., J 38, 

 2 42 millim. 



B. Protliorax with spreading crest. 



«. I-'oro wing with black streak below base of cell. 



«'. Fore wing witii tlie postiiiedial line touching the lower 

 end of reuiform. 

 or. Fore wing with the elaviform large and elongate ... proximu. 



b-. Fore wing with the elaviform short and broad griseata. 



b^. Fore wing with the postmedial line separate from the 



reniform orientalis. 



b. Fore wing without black streak below base of cell. 



a'. Fore wing with the postmedial line incurved below 



Tein 6 oriza. 



b^. Fore wing with the postmedial line incurved below 

 Tein .5. 

 a^. Fore wing with the antemedial line straight in sub- 

 median interspace, the reniform angled inwards on 



median nervure riibens. 



b\ Fore wing with the antemedial line excurved in sub- 

 median interspace, the reniform not angled inwards 



on median nervure lepidula. 



c\ Fore wing with the postmedial line incurved or oblique 

 below vein 4. 

 a?. Fore wing with the antemedial line obliquely curved, distincia. 

 b-. Fore wing with the antemedial line waved. 



rt^. Fore wing with more or less distinct pale dentate 

 patch bevond the elaviform. 

 a*. Fore wing witli di.^tinct white patch on inner 



area beyond the postmedial line liieraia. 



b*. Fore wing without distinct wliite patch on inner 



area beyond the postmedial line , httcago. 



P. Fore wing without pale dentate patch beyond the 

 elaviform. 

 «■'. Fore wing with the ground-colonr pale ochreous 

 brown. 

 «'. Fore wing not suffused with fuscous, the 



markings indistinct canities, 



i'. Fi'Ve wing suflPused with fuscous, the markings 



black discolor. 



i*. Fore wing witli tlie ground-colonr rufous or 

 pale reddish brown. 

 t(*. Fore wing with the terminal area darker 

 than the ground-colour. 

 a^. Fore wing with the reniform concave on 



inner side deierminata. 



b^. Fore wing with the reniform convex on 

 inner side. 



«'. Fore wing pale rufous Columbia. 



b~. Fore wing rufous tinged with dark 



brown meditata. 



b*. Fore wing with the medial area paler than 

 the ground-colour. 

 a''. Hind wing wholly suffused with fuscous... leucogramma. 

 a^. Hind wing whitish suffused with reddish 



brown mohosa. 



