ON THE CIIILOrODA OF NORTH AMERICA. 



19 



■ I his is probably a very yonng individual of this species. 

 t The last legs of this specimen are evidently a reproduced pair. 

 J Apparently a reproduced pair of dental lamina, as the teeth are not developed. 

 The -pines on this individual are smaller than common. It is a curious variation. 



