50 BUTTERFLIES OF MAINE. 
molts before they reach maturity, when they are about an 
inch and a half long, pale yellow, variegated with brown, 
with a yellowish line on each side of the body. The head is 
rust red, with two blackish, branched spines at the top. The 
spines of the body are arranged in seven rows, one along the 
middle of the back, from the fourth to the eleventh segment, 
inclusive, and three rows on each side arranged as in Grapta 
comma. 
The pupa is one inch long, variable in color from light 
yellowish to dark brown, with the head deeply notched; a 
thin prominence on the thorax, and eight silvery spots on the 
back. 
21. GrRaptTa comma, Harr. 
Grap’-ta com’-ma. 
Expanse of wings, from two and one-fourth to two and 
one-half inches. 
Upper side of wings, tawny orange. Outer border of 
fore wings, black, edged within by a series of pale yellow 
spots. A rusty brown patch.rests on the hind margin against 
the black border, and an oblique patch of the same color, 
on the costa before the apex. An oblique patch from the 
middle of the costa across the end of the cell; two spots, one 
above the other, on the middle of the cell; and three spots, 
the first one below these, the other two beyond, in the inter- 
spaces, all black. Upper side of the hind wings, more or less 
washed with brown; the outer borders, dark brown, with a 
row of yellowish red spots before it; and three black spots, 
one on the costa, one on the cell, and one below. 
Under side of the wings, marbled with light and dark 
brown; the hind wings, with a silvery C on the middle. 
The males have the under side more or less washed with 
pink. | 
The eggs are green, similar in form to those of ¢nterroga- 
tionts, and marked by ten vertical ribs, with fine cross striz 
