146 PEARL-BORDERED FRITILLARY. 



gin, which forms on the inner side a triangular point 

 in the centre of each areolet, and encloses a **ow of 

 pretty large round spots, corresponding to the ground 

 colour of the surface. The primary wings are ra- 

 ther bright yellow beneath, the black spots smaller 

 than the corresponding ones on the surface, and the 

 tip spotted with light yellow. The hinder wings 

 bear several large yellowish- white spots at the base, 

 some of them slightly glossed with silver, the spaces 

 between being rust-red ; the latter colour forms a 

 large spot in the middle, ornamented with a central 

 ocellus. Beyond this, there is a long quadrate sil- 

 very spot, forming part of a very irregular band of 

 yellowish -white ; the space between which and the 

 hinder margin is variegated with rust- brown and yel- 

 low, and a row of dark spots. The hinder margin 

 is adorned with a row of large triangular silvery 

 spots, bounded on all sides by a deep black line, 

 The fringe of the wings is yellowish, spotted with 

 brown; the antennae ringed with white, and the 

 knob tipped with red dish -brown. Several varieties 

 occur, of which the most remarkable are those ha- 

 ving only one silvery spot on" the disk of the inferior 

 wings ; and such as have the basal half of the upper 

 wings black, spotted with yellow, and their under side 

 marked with large black spots. 



The caterpillar is black and spinose, with macular 

 lines of orange along the back. It feeds on diffe- 

 rent kinds of Violet, particularly the Dog's Violer. 

 and Viola lutea. The butterfly is apparently dia- 



