NORTH AMERICAN BUTTERFLIES. 



53 



wing, and the third row of spots, nearly all fused together. Fig, 22, a, 

 and one in cell Lelow the central is heart-shaped and larger. Beneath, 

 the colors are darker than in aphrodite, the apex of fore wings, and all 

 hut ocherous, sub-marginal space (which is as clear as in cj'bele) on 

 haul wings, are overwashed with dusky. The silver spots of outer row 

 are small; there are only six in the second row, the three upper large, 

 and the remainder small, while within these, arc only six basal ; thus 

 these spottings are reduced nearly, or (|uite, to the minimum. Sexes, 

 strikingly unlike. Female, dark brown on basal portions of wings above 

 with the usual markings outside of this, but the interspaces are ocher- 

 ous yellow. Beneath, differs from the male, in being more dusky and 

 in having the silver spottings larger. Expands, 2.G0 to o.OO. Habitat, 

 California, Oregon, Washington Territory, ]Scvada, and Montana. 



Fi'i. 21. 



Size of xV 

 not strikiuirlv 



c ad 



a, Argj-nnis (liana, iipijer side liind witig: b, same A. idalia: c, lower side ofsame ; e, apex, fore 

 wing, lower side of same: f, club of antennae, (enlarged) same species : d, fore wing, upper side, 

 Colaeuis delila. 



107. ARGYNNIS CYBELE Fab. 



Yellow-baxded Silver-wing. 

 aphrodite, or averaging a little larger, with the sexes 

 dissimilar, but differs in having the basal half of both 

 wings, dusky, and the three u[)i>er, lilack s])ots of the third row on hind 

 wings, are fused together, while to these, is often added, the fourth. 



Beneath, there is no cinnamon red on the base of fore wings ; the 

 basal portion of the hind wings is paler; and tiie ferrugineous docs not 

 encroach upon the ocherous yellow, between the first and second outer 

 rows of silver spots. Expands, 2.7o to o.o.k Habitat, Atlantic States, 

 and throughout the West to Nebraska, Ontario, (Quebec, and Fort Ed- 

 monton, British America. Occurs in Julv and August. 



