COMMON COPPER. 
227 
ing nearly alike. It is liable to considerable varia- 
tion in its markings, and specimens have been found 
in which those parts of the surface usually copper 
colour were nearly pure white. It is rather com- 
mon in all parts of Britain, and seems to breed se- 
veral times in the year. It likewise occurs in Asia 
and in North America. The caterpillar is said to 
be clear green, with a yellow dorsal stripe, and to 
feed on the Sorrel. 
