162 
GREAT TORTOISE-SHELL. 
Vanessa polychloros. 
PLATE XVII. Fig. 2. 
Pap. polychloros, Linn — Donovan, viii. 6!), pi. 278. 
This species bears considerable resemblance to 
V. Urticce in its colour and markings, but it is usual- 
ly much larger, the expansion of the wings some- 
times exceeding two inches and a half. The upper 
side is dark orange, inclining to ochre-yellow towards 
the anterior margin, and at the sides of some of the 
spots. The upper wings have two large quadrate 
black spots, like abbreviated bands, on the anterior 
margin ; two smaller spots, placed obliquely, towards 
the base ; two small rounded ones on the disk, and 
another near the binder angle. The hinder wings 
are marked with a single black spot of considerable 
size near the middle of the anterior margin. Botli 
wings have a deep border of black externally, orna- 
mented with a series of crescents, which are pale in 
the anterior pair, but blue in the others, and bounded 
by two parallel lines of pale yellow. On the under 
side, the basal half of all the wings is dark brown, 
the remainder yellowisb-grey, finely marked with 
