124 NORTH AMERICAN BUTTERFLIES. 



two portions are divided by a white band. Expands, l.GO to 1.93. Hab- 

 itat, White Mountains, New Hampshire; Labrador, Ungava Ba}^ and 

 Quickstep Harbor, Gulf of Cumberland. Occurs in. July and August. 



309. CHIONOBAS CRAMBIS Frey. 

 Crambis Butterfly. 

 Varying from dark to yellowish brown above, sometimes with small 

 pale eye spots. Hind wings wi th markings below showing through. On 

 fore wings, beneath, similar, but hoary at apex. Hnid wings marbled 

 with dark brown, ochraceous brown, and grayish white, with a darker 

 middle band, bordered with whitish. Expands 1.78 to 2.12. Habitat, 

 Labrador, Arctic America, Alaska, Colorado; and New Mexico. 



310. CHIONOBAS SUBHYALINA Curt. 

 Arctic Barren-ground Butterfly. 

 Wings, semi-transparent. Upper portion of fore wings flecked with 

 "black and white. There are two small white-pupiled, black spots near 

 apex of fore wings showing most distinctly below. On fore wings simi- 

 lar, beneath ; on hind wings spotted with black and dirty white, and there 

 are three or four white dots. Expands 1.70. Habitat, Arctic America. 



GENUS XLV. LIBYTHEA. BEAKED BUTTERFLIES. 

 Size, medium. Colors, dark, relieved hy orange and 

 white spots. Palpi, very long, in the form of a beak. Fore 

 wings, long, narrow, much produced at apex. Plind wings, 

 short, and straigiit on outer margin. Antennae, short, not 

 half as long as the body. The males have four perfect 

 feet, the females six. T^^pe, L Ijachmani. (Plate IX 3.) 



311. LIBYTHEA BACHMANI Kirtl. 

 Bachman's Butterfly. 



Dark brown above with three white spots in apex of fore wings, a 

 reddish orange elongated spot in central cell, and a triangular patch of 

 same color below it. Hind wings with a triangular patch of reddish or- 

 ange. Beneath, similar on fore wings with markings, excepting white 

 spot in apex, which is indicated only, repeated, but the orange is more 

 extended, filling the cell. Tip of fore wings and whole of hind i»air, over- 

 washed with grayish, and there is a whitish bar across the hind wing, 

 but the orange spot is absent. Expands, 1.40 to 2.00. Habitat, At- 



