88 TRANSFORMATIONS OF INSECTS. 
noticed hitherto. They have a thick body, a large and strong 
head, and the antennz swollen and spindle-shaped at their ends, 
or hooked. Their legs are well developed; the hind ones are 
particularly strong, and the others are spined. The wings are 
small in proportion to the size of the bodies, in these Lepidoptera, 
THE METAMORPHOSES OF Pamphila aracynthus. 
sand they are generally grey, brownish, or fawn in colour. The 
butterflies have a curious and hesitating flight, and are very pro- 
perly called Skippers. The caterpillars differ from those of the 
other Lepidoptera already noticed as much as the butterflies do ; 
they have a long and thin shape, with a large rounded head, 
and they are remarkable for their brisk movements. 
In order to hide safely, the caterpillars roll up the side of 
a leaf, and fasten it with some of their silk. Before the first 
metamorphosis they choose a safe hiding-place; then they attach 
themselves by their extremity like the other diurnal forms. 
