CHAP. XIII. FAMILIES OF LEPIDOPTERA. 



83 



and hang suspended by a silken thread ; and when they think 

 the danger is past, they climb up the thread to their former 

 position. They frequently hold the body stretched out and 

 attached only by the hind feet, and while in this position "may 

 easily be mistaken for small twigs. 



Fig. 215. 



The greater number enter the earth when changing to 

 but some kinds spin their thin cocoon among the leaves, 

 while others are said to suspend themselves. The specific 



Fig. 216. 



names of those species the males of which have pectinate 

 antenna?, usually terminate in aria, while the names of those 

 having simple antennae commonly terminate in ata. 



Fig. 217. 



The Currant Span-worm and Moth (Figs. 213 and 214), the 

 Spring Canker-worm and Moth (Figs. 150 and 215), and the 



