12 



INSECT MANUFACTURES. 



that tree. A single egg has been laid on each 

 leaf selected by the, parent moth, and soon after it 

 is hatched, the caterpillar begins rolling up the 

 lilac leaf, and fastening the edges with silk. This 

 is a work of time, but gradually proceeds as the 

 caterpillar increases in strength, until at last it 

 is shut up in a gallery of its own making, safe 

 from the attacks of birds and larger insects. The 

 leaves of various other trees are rolled in a some- 

 what similar manner, as those of the oak, the 



OAK LEAF KOLLED BY A CATERPILLAR. 



willow, and the rose, and also those of humbler 

 plants, as the plantain, nettle, thistle, &c. The 



