LEPIDOPTEEA. 



255 



London. The female (Fig. 234) is remarkable, as she has only 

 the rudiments of wings, and only goes as far as the side of 



Fig. 234. The Vupourer Moth (Urgyia antiqua) male and female. 



her cocoon. The caterpillar of the Orgyia pudibunda, called 

 also the Hop-dog, attacks almost every sort of tree. When 



Fig. 235. Orgyia pudilmnda. 



the state of the atmosphere favours their propagation, they appear 

 in fearful quantities, and cause the greatest havoc. During the 



