NORTH AMERICAN BUTTERFLIES. 121 



spots are pupiled on the lower side, but the middle dot is absent, and the 

 dark markings are more numerous than in the female of C.gigas. Ex- 

 pands 2.40. Habitat, Mt. Hood, California. 



291). CHIONOBAS NEVADENSIS Feld. 

 Nevada Barren-ground Butterfly. 

 Similar to C. gigas in color above. In central cell and below it and 

 along upper border of fore wing, dusky. Both wings are margined with 

 a darker color. There is a short triangular patch on upper border of 

 hind wing of dusky. Near apex of fore wing is an eye spot, and another 

 near inner angle of hind pair, both without pupils. Clearer beneath^ 

 bandings of fore wings dusky only, that at basal portions of hind wing, 

 is wanting, but these wings are much lined with dusky, with the usual 

 two bands crossing them. Eye spots, repeated but not pupiled. Ex- 

 pands 2.25. Habitat, California. 



300. CHIONOBAS CHRYXUS West-Hew. 

 Dull Orange Butterfly. 

 Dull orange above. Dusky on basal half of fore wings, and also on 

 upper and outer border. There are two oval eye spots, both pupiled, and 

 a dot between them. Outer border of hind wings, mottled with black, 

 and the entire wing is mottled and lined with dusky. There is a single 

 pupilless eye spot. Clearer beneath, with less dusky on fore wings 

 Hind wings, with the usual bands. Expands 2.25. Habitat, Colorado 

 along the Rocky Mountains into British America. 



301. CHIONOBAS CALAIS Scudd. 



Calais Butterfly. 

 Deep ochraceous brown above, flecked with black on upper and outer 

 margin of both wings, with two, three, orfive, pupilless eye spots near 

 Outer margin. Hind wings, indistinctly marked with darker. One 

 blind eye spot. Marbled with yellowish and brown beneath, the hind 

 wings with a dark double band. Eye spots on fore wings as above, but 

 some are pupiled. Eye spot on hind wings reduced to a mere dot. Ex- 

 pands 2.20. Habitat, Rupert House, Hudson's Bay, and Newfoundland. 



302. CHIONOBAS INVALLDA Mead. 

 Nevada Barren-ground Butterfly. 

 Fore wings above, brown, mottled with yellowish along upper mar- 

 gin. There is a sub-marginal band of yellowish, divided into patches 



