320 



GLEANINGS FROM NATURE. 



nating, requiring, as it does, no food, and giving 

 plenty of time for the marvelous 



nsec s c haiiffes which are then undergone. 

 in Winter. 



home or these pupae are enclosed in 



dense silken cocoons, which are bound to the twigs of 

 the plants upon which the lar- 

 vae feed, and thus they swing 

 securely in their silken ham- 

 mocks through all the storms 

 of winter. Perhaps the most 

 common of these is that of the 

 brown Cecropian moth, Attacks 

 cecroiria L., the large oval co- 

 coon of which is a conspicu- 

 ous object in the winter on the 

 twigs of our common shade 

 and fruit trees. Many other 

 pupae may be found beneath 

 logs or on the under side of 

 bark, and usually have the 

 chrysalis surrounded by a thin 

 covering of hairs, which are 

 rather loosely arranged. A 

 number pass the cold season 

 in the earth with no protective 

 covering whatever. Among 

 these is a large brown chrysalis 

 with a long tongue case bent 

 over so as to resemble the 

 handle of a jug. Every farm 

 boy has plowed or spaded.it 



Fig. 89 Cocoon of Cecropian ,-, 1 v * 1 



up in the spring, and it is but 



