312 
LEPIDOPTERA. 
of silk. They remain in their cocoons without further 
change throughout the winter, and are transformed to but¬ 
terflies in the following summer. The viscid locust-tree is 
sometimes almost completely stripped of its leaves by these 
insects, or presents only here and there the brown and 
withered remains of foliage, which has served as a tempo¬ 
rary shelter to the caterpillars. 
Endamus Bathyllus, Smith. Bathyllus Skipper. (Fig. 135.) 
• In ]\Iassachusetts we have what I suppose to be only a 
local variety of the Bathyllus 
skipper, differing from South¬ 
ern specimens in the inferior 
size of the white S 2 :)ots on the 
fore wings, the less prominent 
hind ano;le of the hind winss, 
and the darker color of the 
frino’esi It is of a dark brown color : on the fore wino-s is 
O '' O 
a row of small white spots across the middle, and another 
shorter row of only three or four contiguous spots between 
the first and the tip ; the wings beneath are light brown, 
shaded at the base with dark brown; the hinder pair with 
a slightly prominent posterior angle, and two dark brown 
transverse bands. 
Expands from to lyV inch. 
This species is found on flowers in June and July; in the 
Southern States it appears also in March and April. The 
caterpillar is very similar to that of the Tityrus skipper, and 
is found on various kinds of Glycine^ Hedysaram^ &c., in 
i\Iay and June. 
The rest of our skippers belong to the old genus Hesperia 
of Fabricius, which, as now restricted by the French ento¬ 
mologists, very nearly coincides Avith Pampliila of the Eng¬ 
lish Avriters. The American species are quite numerous, 
and moreover vary a good deal; Avhich, Avith the difference 
existing betAveen the sexes, renders it quite difficult to deter- 
