EASTERN UNITED STATES. \\1 



more or less completely separated from the apical patch 

 by yellow. 



The hind wings have a black stripe along the basal 

 two-thirds of the costa, the rest of the wing being yellow 

 in the male, except a few black 

 scales on the outer ends of some Flo< 31> 



of the veins ; but in the female 

 there is a partial broad, dusky 

 outer border, separated from the 

 black of the costa by a yellow 

 space, the surface having a tinge Nathaiis ioie, female, 

 of yellow. 



On the under side the posterior stripe of the fore 

 wings is repeated, in the female somewhat dull, the 

 bent portion being replaced by three dots ; in the female 

 these three dots, or spots, form a prominent posterior 

 part of a subterminal row, the posterior stripe wanting 

 or dull. The anterior and outer portion of the fore 

 wings is, in both sexes, washed with orange ; the apex 

 and hind wings of the female grayish. 



Yar. IRENE, Fitch. This has the under side of the 

 fore wings destitute of a blackish central dot, and of the 

 three black spots near the posterior angle, the posterior 

 one is connected with the posterior stripe ; and the base 

 of the wing instead of its outer margin is orange-yellow. 



Illinois, Missouri to California, New Mexico, Arizona. 



16. ANTHOCHARIS OLYMPIA, Edw. 



Expanse of wings 1.25 inches. 



Upper surface white, gray at base of wings ; a large 

 gray patch at the apex of the fore wings, partially re- 

 placed by white. Costal margin slightly specked with 



