THE LEPIDOPTERIST 55 



Male: Head, thorax and abdomen, black, but 

 clothed with yellowish hairs, autennar the same as in 

 P. smintheus. D — H. group but darker legs, heavily 

 clothed with yellowish hairs. Forewings : on the up- 

 per side, pure white, shaded slightly at the base with 

 black, two large black spots in the discal cell, one in 

 the middle and the other on the outer end of cell. 

 There are two bright crimson spots beyond the outer 

 end of the discal cell. These spots are lacking in 

 both nanus and sedakovii. Submarginal, wavy black 

 band begins on the costa and terminates at the M2 

 vein- Apex and two-thirds of the outer margin semi- 

 transparent. Hind wings : pure white, except base 

 and abdominal margin which is black clothed with 

 white silky hair. There are two crimson spots, cir- 

 cled with black, one on the costa and the other near 

 the discal cell. There are also four black spots in the 

 sub-marginal space- 

 Under side same as above but paler with three 

 crimson spots near the base ; one on the primaries 

 and two on the secondaries and an additional small 

 crimson spot on the abdominal margin. 



Female. Forewings : ground color is black vitreous 

 with a slight whitish cast on the inner margin and 

 the discal cell. The two black spots in the discal 

 cell are much smaller than in the male- There is one 

 pale crimson spot on the costa beyond the discal cell 

 and seven round, whitish spots along the submargi- 

 nal space. The inner margin black spot is very faint. 

 Hindwings : discal and outer space pure white, ab- 

 dominal margin black, costal and discal crimson spots 

 are very large ; outer margin vitreous. Submarginal 

 space has six oval shaped spots. Underside much 

 paler than above. 



Types 1 S and 1 9 in my collection. Expanse VA 

 inches. Habitat: Ashcroft, Pidkin County, Colorado. 



ArGYNNIS NIKIAS SP. NOV. 



Male : Above, the ground color is of a rich cin- 

 namon caste, darker towards the base. The outer 



