346 WM. H. EDWABDS. 



Secondaries light brown on disk, white next base, the white shade 

 passing through and beyond the cell and also along abdominal margin ; 

 along hind margin a series of white spots, rather indistinct, some of 

 which include black points; across the disk a sinuous row of white 

 spots except where the ground is white, each spot edged basally by 

 black ; within the white spaces are black marks or points, on line 

 with the black edges of the spots; beyond the cell, on the white 

 ground, two black marks form a V, pointing to base, and not quite, 

 joining at the angle; several black points near base. 



Body fuscous above, collar fulvous; beneath pure white; legs and 

 palpi white; antennae annulated black and white, club brown above 

 white below*; tip fulvous. 



From three males taken in Arizona by Lieut. Wheeler's Expedition. 

 1871. 



Hesperia Chusca, n sp. 



Male. — Expands 1 inch. Tipper side yellow fulvous, with a nar- 

 row fuscous serrated border to both wings; two of the serratures want- 

 ing opposite cell of primaries; stigma velvety black, thick, curved, 

 presenting convex side to base, and having at its lower extremity a 

 small separated (or nearly) spot in the direction of base; a small fus- 

 cous patch posterior to stigma. 



Under side pale, secondaries rather ochraceous; immaculate. 



From a single % brought from Arizona by Lieut. Wheeler's Expe- 

 dition of 1871. 



Hesperia Yuma, n". sp. 



Male. — Expands 1.3 inch. Upper side ochre-yellow, immaculate; 

 stigma long, narrow, nearly straight, covering the whole arc; costal 

 edge of secondaries fuscous. 



Under side paler, fuscous at base of primaries; otherwise immacu- 

 late. 



Body fuscous above, ochraceous below ; legs brown ; palpi ochrace- 

 ous; antennae fuscous above, ochraceous below, and the club to tip is 

 brownish-yellow. 



From a single male received from Arizona by Lieut. Wheeler's Ex- 

 pedition of 1871. 



Lycama Melissa, n. sp. 



Male. — Expands 1.1 inch. Upper side clear pruinose-blue, silvery 

 on costa of primaries; hind margins edged with black, sometimes very 



