BUTTERFLIES OF MAINE. 71 
spots on the hind wings which are preceded and followed by 
a pale sinuous line, and there is another of the same color 
just within the outer margins. 
This species is not common in Maine, and is quite local, 
being a forest species, and not found in the open fields. 
The larvae feed on grass, probably some of the wild grasses 
of the forest in a state of nature. The eggs are obovoid, 
greenish white, with a smooth surface. They hatch in about 
six days and the young larva is .13 of an inch long, cylindri- 
cal, head twice as wide as any other segment, body tapering 
from the second segment to the end. Color of the body, 
whitish yellow, changing in a few hours to pale green. Head 
yellow, somewhat tinted with brown. In eight days the 
larva molts the first time, after which it is .26 of an inch 
long, tapering as before, the lust segment ending in two long, 
slender, blunt-tipped tails ; color of body, bright green. much 
covered with whitish tubercles, mostly arranged in longitudi- 
nal rows, one being on either side of the middle line of the 
back, and two more on each side, with many separate tuber- 
cles in the intervening spaces; each tubercle bears a short, 
stiff, white hair. Head, dark green, with a rough horn on 
each vertex, the horns being green with a red tip. 
In about eight days the larve molt the second time, after 
which they are .44 of an inch long, of the same form as be- 
fore. Color, light green. The next molt is made in from 
nine to fifteen days, after which the larva is .52 of an inch 
long, and of the same form and color as before. At this time 
they go into the lethargic state, and hibernate during the 
winter. Soon after they revive in the spring they molt the 
fourth time, and are .6 of an inch long, of a yellowish green 
color. In from eleven to twenty days they molt the fifth 
time, and reach maturity in about ten days more. 
The mature larva is 1.2 inches long, the middle of the 
back much arched, and sloping each way; the last segment 
ending in two small, short, slender tails, and the whole body 
is covered with fine whitish tubercles, mostly arranged in 
