214 LEPIDOPTERA. 



moths. This cocoon, however, poorly represents the 

 strong, safe cocoons of many moths ; and as if to 

 make up for its deficiencies, the chrysalis fastens itself 



Fig. 165. Fig. 166. 



to the inner wall by two silken threads, as seen in 

 Fig. 166. Fig. 167, enlarged, represents the last ring 

 of the body with the cremaster. Fig. 167, a, is one 

 hook of the cremaster. 



The skippers are well represented 

 in America, and have received 

 many popular names, such as 

 '^ dusky wings," " sooty skippers," 

 Fig. 167. a. '' clouded skippers," etc. They are 

 generally small and of dull colors. 



PAPILIOXID.^. 



The cabbage butterfly. Pier is rapcB, Linn. (Fig. 

 168, 9 ; Fig. 169, ^ ), belongs to this family; also the 

 common sulphur-yellow butterfly, Colias philodice, 

 and the large, beautiful swallow-tails (Papilio). The 

 PapiHonidae, like the skippers, have the first pair of 

 legs well-developed, but with few exceptions they do 

 not transform within cocoons. The silken attachments 

 are spun, however, and the chrysalis hangs from some 



