310 
MOTHS AND BUTTERFLIES. 
Several broods of this insect make their appearance each season, so 
that it is rarely absent from our fields in summer. 
Colias pliilodice. Female, albino. 
Colias eurytheme has much the same habits as the preceding, except 
perhaps that it is more agile on the wing. It is found in the middle 
Colias eurytheme. Male. 
and western states in abundance, and even extends across to the 
Pacific coast. It also occurs in New England, though I have never 
known it to be common there. Its bright orange colors make it a 
conspicuous object while on the wing. The species is very subject 
to variation in color and size ; some specimens are intense orange, 
while others are yellow, scarcely showing a tinge of the orange. 
