Puss-Moth, 



211 



final retreat, not one having been observed where the tree 

 was covered with bark. The ingenuity of the little architect 

 consisted in scooping its cell almost to the very surface of 

 the wood, leaving only an exterior covering of unbroken 

 wood, as thin as writing-paper. Previous, therefore, to the 

 chrysalis making its way through this feeble barrier, it 

 could not have been suspected that an insect was lodged 

 under the smooth wood. We observed more than one of 

 these in the act of breaking through this covering, within 

 which there is, besides, a round moveable lid of a sort of 

 brown wax. (J. E.) 



Larva of J&geria. 



Another architect caterpillar, frequently to be met with 

 in July on the leaves of the willow and the poplar, is, in 

 the fly-state, called the puss-moth (Centra mnuld}. The 

 caterpillar is produced from brown-coloured shining eggs, 

 about the size of a pin's head, which are deposited one, 



