G2 BULLETIN UNIVERSITY OF MONTANA. 



It has been taken by Elrod in the National Park, at Missoula, in the 

 Swan Range, and on Mount Lolo near Missoula. Cooley has a specimen 

 from Bozeman at 4,800 feet. Brandegee collected it near Helena, and 

 Barnes at Aldridge. Rare in the Bear Paw Mountains, according to Cou- 

 beaux. 



THE RHODOPE SILVER-SPOT, Argynnis rhodope, Edwards. 



Butterfly Expanse, male, 2.20 inches, 55 mm.; female, 2.40 inches, 

 GO mm. The upper side of the male is bright fulvous, both wings on 

 the inner half heavily clouded with dark fuscous. The black markings 

 are very heavy and confluent. The outer border is solid black, very 

 slightly, if at all, interrupted by a narrow marginal brown line, in this 

 respect resembling atlantis. On the under side the fore wings are dark 

 ferruginous, on the outer margin rich dark brown. Between the spots at 

 the end of the cell and the nervules below the apex are some clear, bright 

 straw-yellow spots. The upper spots of the marginal series are silvered. 

 The hind wings are dark reddish-brown, very slightly paler on the line 

 of the marginal band. The spots are pale straw-yellow, except those of 

 the marginal series, which are distinctly silvered. The female on the 

 upper side is of a lighter and brighter red, with the markings dark and 

 heavy as In the male sex. On the under side the markings in the 

 female do not differ from those in the male, except that the primaries on 

 the inner half and at the base are bright pinkish-red (Holland). 



Early Stages Unknown. 



Distribution The insect flies in British Columbia. Coues collected a 

 single female August 8, 1874, near Three Buttes, Montana. This is the 

 only record of its capture in the state. 



BREMNER'S SILVER-SPOT. 

 Argynnis bremneri, Edwards. Fig. 52. 



Fig. 52. Argynnis bremneri. 



Butterfly Expanse, 2.4 to 2.7 inches, 60 to 70 mm. The male on 

 the upper side is bright fulvous. The black markings, especially those 

 about the middle of the wings, are heavy. Both wings at, the base are 



