212 A RARE MOTH 



only from the description by others, never having seen 

 the larva), always bearing on each side seven sloping 

 slashes, which are sometimes yellow, sometimes green 

 or purple. It carries, of course, the badge distinguish- 

 ing the larvse of this genus, namely, a curving horn on 

 the upper surface of the last segment of the body. The 

 function of this peculiar feature has never been ascer- 

 tained. In the present species the horn is coloured 

 yellow with a black tip. 



