NORTH AMERICAN BUTTERFLIES. 



65 



fore wings. Markings of hind wings, similar but OA-erwashcd with deep 

 red, somewhat obscuring the markings. Habitat, Northwest America, 

 Grinnell Land and Nova Zembla. 



148. ARGYNNIS ALBERTA Edw. 

 Alberta Butterfly. 

 Similar to A. chariclea, but differs in having the markings paler 

 above. The third row of spots on both wings, is not continuous ; the 

 sub-marginal row of crescents wanting, they bemg represented by a 

 small cluster of scales, only, smallest on the fore, and largest on the 

 hind, wings. Beneath, the markings on fore wings are very pale, and 

 the ground color of the hind wings is brown, without any reddish shade, 

 and there are no white markings. The surface of the wings has a pe- 

 culiar smoothness, giving them the appearance of having been greased. 

 Expands, about LOO. Habitat, Alberta, Canada. Occurs in June, at 

 a considerable elevation. 



Fig. 25. 







Illustrating the genus Argj'nnis. a, upper side, hind wing, coronis; b, lower side, hind wing, 

 halcyone: e, upper side same, edwardsii; d, same, callippe. 



149. ARGYNNIS FREYA Tiiunb. 

 Freya Butterfly. 



Similar to A. c. boisduvallii, Ixitdiffers in the absence of the sub- 

 marginal row of round spots on fore wings, and in having much less 

 white on hind wing below, the most prominent spot of this color, being 

 an arrow-shaped mark in the central cell. Expands, 1.35 to l.GO. Hab- 

 itat, Labrador, Arctic America, Alaska, and Colorado. 



149a. Aroynxis freya tarquinus Curt, is a more northern sub- 

 species, smaller in size and darker in color, with the base of the wings, 

 black. Habitat, Arctic America. 



150. ARGYNNIS POLARIS Bd. 



Polar Butterfly. 



X Similar to A. freya, but differs in having a row of minute crosses 



