66 NORTH AMERICAN BUTTERFLIES. 



on outer margin of hind wings below, Fig. 26, f. Habitat, Labrador, 

 northward. 



151. ARGYNNIS FRIGGA Thunb. 

 Frigga Butterfly. 

 Size of chariclea but darker, at least one half of the hind wings 

 obscured with dusky, and all of the markings are heavy. Beneath, there 

 is a row of white spots on outer margin, the marginal border and sub- 

 marginal crescents are absent, and the clear, sub-marginal interspace, 

 as well as the wing outside of it, is overwashed with purplish. Habi- 

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



152. ARGYNNIS IMPROBA Butler. 

 Doubtful Argynnis. 

 Similar to A. frigga, but differs in being smaller and darker, with 

 much heavier, suffused markings. Habitat, Arctic America. 



153. ARGYNNIS BELLONA Fab. 



Meadow Butterfly. 

 Color and size of A. myrina, but differs in having the two outer 

 black borderings to both wings above, broken into spots, and having a 

 somewhat different basal pattern of markings to hind wings. Fig., 28 b. 

 Beneath, there is no silver bordering, this being replaced by a reddish 

 purple bordering, in which the spottings above are repeated but in ru- 

 fous, with bluish white centers. The central silver band and basal spots 

 are replaced by j^ellowish rufous in a larger pattern. Expands, 1.55 to 

 1.80. Habitat, Northern United States, Colorado, British America, 

 Ontario, and Quebec. Occurs from May to September. 



154. ARGYNNIS EPITHORE Bd. 

 Dusky Meadow Butterfly. 



Similar to A. bellona in general markings, but is not as brightly 

 colored, and the basal fourth of fore, and basal half of hind, wings are so 

 heavily obscured with dusky, as to nearly obliterate the markings. Fig. 

 28, c. Beneath, the basal half of hind wing, is rich purplish brown, 

 with a central band of yellowish that contains a band of dark-ringed 

 spots of whitish, more or less centered with rufous. Expands, 1.75 to 

 2.10. Habitat, California to Oregon, Nevada, and Alberta, Canada. 

 Occurs in June and July. 



154a. Argynnis EPITHORE KREiMHiLD Str. Similar to the type 

 form, but differs in having little or no dai'k suffusion on the basal por- 



