1863.] 
19 
low; antenn 80 blackish above, yellowish beneath; club black, ferrugi¬ 
nous at tip. 
Lansing, Michigan, from Mr. Miles. 
Philadelphia, from Mr. Newman. 
Hesperia Delaware, nov. sp. 
Male. Expands I-j^q inch. Upper side uniform, glossy honey-yel¬ 
low, slightly obscure at the base of the wings; the nervures brown; 
costal edge of primaries brown; hind margin with a narrow brown 
border which extends a little distance on the costal and inner margin, 
attenuated at either extremity; the stigma resembles that of Zabidon., 
being a slight blackish bar upon the arc. 
Under side nearly same color, a little paler; base and inner margin 
of primaries blackish. 
Body above greenish-black; sides of abdomen same color as the 
wings; beneath paler; palpi reddish-yellow; antennae yellow with trans¬ 
verse black lines on upper side; club reddish, black beneath the tip. 
Female. Same size; wholly like the male, except the stigma. 
Variety a. Female: primaries with a wide brown margin, and sec¬ 
ondaries brown except a small space on the disk. 
Philadelphia, from Mr. Newman. 
Hesperia Uncas, nov. sp. 
Male. Expands inch. Primaries silky-brown, except a small 
ochrey-yellow space on the disk, mostly back of the stigma; the costa 
next the base sprinkled with fine yellow scales; near the apex are three 
yellow-white spots and two faint spots in the margin below these; near 
the end of the stigma a small wedge-shaped spot of paler color than 
the disk; stigma long, narrow, with a slight bend downwards and a 
vitreous gloss. 
Secondaries have the margins brown, broadest on costa; disk yellow¬ 
ish, obscured by brown hairs, beneath which appear, indistinctly, a 
transverse row of lighter spots; fringe white. 
Under side greenish-yellow, sprinkled with brown except on the in¬ 
ner margins of both wings; the spots on primaries repeated in white; 
secondaries have a row of white patches connected by white lines, com¬ 
ing from the base around the costa to the middle of the wing, there 
connected with another patch nearer the base; these white spots edged 
