HOW TO KNOW THE BUTTERFLIES 



BB. Fore wings with the apex not produced, the outer 

 margin being convex throughout (Brenthis). 



C. Lower side of hind wings with silvery spots. (B. my- 

 rina), p. 122. The Silver-bordered Fritillary. 



CC. Lower side of hind wings without silvery spots. (B. 

 bellond), p. 119. The Meadow Fritillary. 



AA. Vein R 2 of the fore wings arising before the apex of cell 

 R + M(Fig. 32). 



B. Basal half of upper surface both pairs of wings blackish 

 brown or greenish black without spots on this part. {S. 

 diana), p. no. The Diana Fritillary. 



BB. Basal half of the fore wings at least with spots. 



C. Fore wings fulvous, hind wings black. (S. idalid), 



p. 112. The Regal Fritillary. 



CC. Both wings fulvous (Argynnis). 



D. The buff submarginal belt between the two outer 

 rows of silvery spots on the lower surface of the hind 

 wings broad. 



E. With the outer-marginal and submarginal lines 

 of the upper surface of the wings separated by a 

 series of quadrangular fulvous bars, except some- 

 times near the apex of the fore wings of females ; 

 a larger species expanding from three to three 

 and one-half inches. (A. cybele), p. 114. 



The Great Spangled Fritillary. 



EE. With the outer-marginal and submarginal lines 



of the upper surface of the wings united into a 



common black band throughout a considerable 



part of their length, the quadrangular bars being 



106 



