ORDER IV. MOTHS AND BUTTERFLIES. 



has, besides, an angular reddish-white spot near the middle 

 of each of the wings. The wings of both expand from 

 three to four inches. 



The female deposits her eggs, according to the geograph 



ical latitude of the country, in June or July, generally upon 

 the twigs of sassafras-trees, and in several clusters, which 

 are hatched in about three weeks. The caterpillar, before 

 its metamorphosis, measures about two and a half inches. 

 It is of a bluish-green color, with the exception of the head, 



