violets. Chrysalis pendant, about 0.6 inch long; two rows 

 of conical tubercles on back. 



Sixteen species are found in North America, all of which 

 but two are subarctic or occur on high mountains. 



(1) Brenihis myrina (Cramer), Plate XVII, Fig. 1, cT, upper 

 side; Fig. 2, cf , under side (The Silver-bordered Fritillary). 



Well depicted in the figures we give. Expanse 1.40-1.70 

 inch. Eggs pale greenish yellow. Caterpillar, when fully 

 grown, about 0.87 inch long, dark olive-brown, marked with 

 lighter green, and covered with spiny, fleshy tubercles. Chrys- 

 alis yellowish brown marked with darker brown spots, some 

 having a pearly lustre. 



Ranges from Nova Scotia to Alaska and southward as far 

 as the mountains of the Carolinas. 



(2) Brenthis montinus Scudder, Plate XVII, Fig. 3, 9 , under 

 side (The White Mountain Fritillary). 



Upper side fulvous, the wings at base darker than in B. 

 myrina, the black markings heavier. Hind wings below much 

 darker than in B. myrina, the silvery spots being quite differ- 



81 



PL. XVII 



