TUE WOOD LEOrAED MOTH. 



429 



there I cannot sav. I looked in vain for a female.' Tliere 

 is some little difference of opinion respecting- the generic 

 name of this Moth, Professor Westwood states that the right 

 mode of spelling it is Zenzera, that being the original name 

 given to it by Latreille, and that Zeuzera is simply the error 

 of the printer, who had mistaken the letter u for the n, or, 

 perhaps, had turned the n upside down. Be this as it mav, 



1. Zenzera sesculi. 2. Cossus ligniperda. a. Zeuzera, larva. 5. Cossns, larva. 



the word Zeuzera is now so universally acknowledged among 

 entomologists that I have retained it, and simply mention 

 Mr. Westwood's correction. 



There is a peculiarity in the structure of the chrysalis of 

 this and other ]\Ioths of the family. Each segment is fur- 

 nished on its edges with a row of little hooks by means cf 

 which it can traverse its tunnel nearly as fast as it could 

 while in the caterpillar state. As the pupse of the LepidO' 



