THE TUSSEH SILKWORM MOTH. 115. 



&te of their existence, each of them connects, by 

 .cans of the recent glutinous filament of which the 

 36 is made, two or three leaves into an exterior 

 llvelope, which serves as a basis to spin the com- 

 plete case or cocoon in ; besides, the case is sus- 

 pended from a branch of the tree in a wonderful 

 nanner by a thick strong consolidated cord, spun 

 >f the same materials from the bowels of the animal, 

 as represented in the following figure, which is a 



third of the size of the cocoon inhabited by the female 

 insect.' This case is of an exact oval shape, and 

 exceeding firm texture : in it the animal remains 

 dormant and perfectly protected for about the space 

 >f nine months, viz. from October until July, so 

 that they make their appearance in time for the 

 caterpillars to come into existence, when Providence 



