(1) Erebia discoidalis Kirby, Plate LXVI, Fig. 1, tf (The 

 Red-streaked Alpine). 



Easily distinguished from all other species in our fauna by 

 the plain dark wings streaked on the costa and suffused over 

 the outer three fourths of the middle of the fore wings with 

 dark red or maroon. Expanse 1.75-2.00 inches. 



Habitat region of Hudson Bay, thence westward to Alaska 

 and southward among snowy peaks of British Columbia. 

 Probably found on high mountains of Idaho and Montana. 



(2) Erebia epipsodea Butler, Plate LXVI, Fig. 2, <? (The 

 Common Alpine). 



The upper side is shown in our cut; the under side repeats 

 the markings of the upper side more or less clearly, and besides 

 has on the hind wing a broad, curved, median, blackish band. 

 Expanse 1.75-2.10 inches. 



Ranges from the alpine summits of New Mexico northward 

 at suitable elevations to Alaska, where it is common. 



GENUS GYROCHEILUS BUTLER 

 (THE BLACKAMOORS). 



Medium-sized ^butterflies, very dark in color, with eye- 

 spots on fore wings, and hind wings bordered with brown. 



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