j6 



NORTH AMERICAN BUTTERFLIES. 



116. ARGYNNIS HESPERIS Edw. 



Hesperian Silver-wing. 

 Size and general coloration of A. atlantis above, but differs beneath 

 on hind wing, in having the ground color more rusty ; the spots fewer, 

 less than twenty-four, Eig. 23, b, and buff, not silver. Expands, 2.oO to 

 2.40. Habitat, Colorado, Utah, and Montana. 



117. ARGYNNIS HIPPOLYTA Edw. 



Oregon Silver-wing. 

 Quite similar to egleis, but differs in having the markings above 

 heavier ; beneath the wings are rusty red, leaving only a very narrow 

 sub-marginal mterspace. Expands, 2.00 to 2.2."). Habitat, Oregon. 



a b c d 



niustrating the genus Argynuis. Uiiper side hind wings: a, leto; b, eybele; c, atlantis: d. 



nausicaa. 



118. 



ARGYNNIS BREMNERH Edw. 

 Bremner's Butterfly. 

 Size, smaller than A. cybele, but of about the same color and gen- 

 eral heavy markings above, the sub-marginal crescents on hind wings, 

 however, being larger, Eig. 23, c, and the spots in the third row are 

 fused their entire length. Beneath, the colors are more those of atlan- 

 tis but with the ground color more rusty, and the silver spots within the 

 second row are fewer, eight, not ten, and seven in first and second rows. 

 Expands, 2.00 to 2.70. Habitat, British Columbia and Washington 

 Territory. Occurs in July and August. 



110. ARGYNNIS ZERENE Bd. 



California Buff-wing. 

 Size of A. atlantis but resembles hesperis, and differs in having the 

 third row of black spots on hind wings above, more continuously fused 

 and wider, Fig. 23, d, with the markings on fore wings, heavier. Be- 

 neath, the buffspottings on hind wing are larger, on the second row and 



