of Diurnal Lepidopiera. 509 



near the base of the hind-wings ; hind-legs armed with 

 four long spurs, two near the end, and two at the end of 

 the tibia. 



This is the genus mentioned in the Entomologist's 

 Monthly Magazine, vol. vii. p. 94. 



Cogia Hassan, n. sp. 



Wings above, dark brown, fringe gray ; hind- wings of 

 male with a pale whitish radiating brush. Below, purplish- 

 brown; front- wings with the inner margin ochraceous 

 brown, costa gray-spotted, fringe gray alternated with 

 black; hind -wings with three gray -edged dentate 

 bands of the ground-colour, the first basal, the second 

 central, the third hind - marginal, abdominal margin 

 ochraceous-brown ; body dirty-white, palpi white. 



Expanse of wings, (^ 1 inch, 2 lines ; ? 1 inch, 3 lines. 



Hah. — Santarem. Coll. Druce, ?; B. M., cJ, ? . 



Genus Pyrgus, Hiibner. 

 1. Pyrgus Omrina, n. sp. 



Wings above, white, grayish at base ; front- wings with 

 apex and outer margin black, dentate upon nervures, a 

 trifid spot and two spots placed obliquely below it near 

 apex, eight marginal points and the corresponding por- 

 tions of the otherwise black fringe, white ; hind-wings 

 with abdominal margin, and a streak near it uniting with 

 basal sufiusion and enclosing a white spot, gray, outer 

 margin black, just enclosing a series of six marginal 

 spots between the nervures which are black-tipped ; 

 fringe alternately black and white ; body grayish. Wings 

 below, white; front-wings with a quadrate sub-costal 

 dark spot, a blotch at apex, and three or four short 

 streaks corresponding to black spots on fringe, olive- 

 green; hind-wings with base of discoidal cell dusky, 

 uniting two irregular streaky sub-basal olive-green spots, 

 two small spots near apex, and four streaks (uniting with 

 spots on fringe at centre of outer margin) , olive-green ; 

 body whitish. 



Expanse of wings, 1 inch, 4 lines. 



Hah, — Peru. Coll. Druce. 



