Phalena. LEPIDOPTERA. i 47 



The caterpillars of the Tortrices roll up, and 

 fatten together by a thread the leaves of the 

 plants upon which they feed ; thus fecuring to 

 themfelves a kind of retreat. 



The caterpillars of moft of the Tine* keeri 

 always under fome kind of covering, where they 

 live and feed in fecurity ; fome of them roll up> 

 the leaves of plants for their habitation $ others, 

 which feed only upon the interior furface of 

 leaves, lodge themfelves under the epidermis, or 

 exterior fkin ; others, again, in woollen cloths^ 

 lkins of beads and birds, &c. Thefe all under- 

 go their metamorphofis in the places and under 

 the coverings in which they had lived ; fome 

 few live in fociety under a kind of web formed 

 by their joint indudry : the moths which are 

 produced from thefe lad have generally, as Lin- 

 nsus obferves, expanded wings. 



According to Geoffroy, the caterpillars of 

 fome Tiniae have eight, others have fourteen, 

 and others, again, fixteen feet. 



The pups£, or chryfalids, are either Ample, 1 

 Or have a kind of hook at their extremity ; 

 they are all enclofed in a web or covering; fome 

 of them pafs that date under the ground, others 



K 2 arc 



