Evolution and Taxonomy ii-? 



radius) than do the Lycaenidse ; but the Pierid^ do not 

 exhibit that specialization by reduction of the fore legs which 

 is characteristic of the Lycsenidse and Nymphalidse. In the 

 Nymphalidae we find not merely the extreme of the reduction 

 of the fore legs, but an even greater specialization of the 

 wings than exists in the Pieridse. 



Ithaca, N. Y., 



27 July 1893. 



