BUTTERFLIES OF MAINE. , oo 
tudinal ribs, and between each of these are about the same. 
number of cross lines, giving the surface a reticulated appear-. 
ance. These eggs hatch in about a week, and the young 
larva, which is about one-tenth of an inch long, with a yellow- 
ish white body and a large black head, first eats the egg shell, 
after which it attacks the leaves. They molt three times 
before reaching maturity, after which they are about one inch 
and three-fourths long and have a yellowish head marked 
Fig. 13. Larva of Danais archippus (nat. size). 
with two triangular black stripes. the upper surface of the 
body is ornamented with transverse stripes of black, yellow 
and white, this last color covering the greater part of each 
seginent. On the third segment are two long black fleshy 
horns, and on the twelfth there are two similar but smaller 
ones. The under side is black, with greenish between the 
segments. 
The larva spins a button of silk on some convenient object, . 
attaching the hind feet to it, and in this suspended position, | 
with no supporting loop of silk, it changes to the pupa. 
The pupa is about an inch long, of a bright 
green color dotted with gold, and with a band 
of golden dots extending more than half way 
round the body above the middle. This band 
is shaded with black, and the part by which 
it is suspended is black also. 
The insect remains in the pupa state from 
ten to twelve days, when it emerges and re- 
mains quietly hanging to some object to give Danas archippus. 
time for its wings to develop and harden, after —-(™3"* #!7*”) 
which it flies away. They are said to hibernate in the butter-- 
fly state, and to deposit their eggs the next spring. 
