EASTERN UNITED STATES. H9 



with black and white. Apex of fore wings produced 

 so that the outer margin is excavated below the apex. 

 New York to Virginia ; Western States, Texas. 



18. CALLIDBYAS EUBULE, Linn. 



Expanse of wings 2.5 inches. 



Upper surface bright lemon-yellow, usually paler on 

 the internal margin of hind wings; and the male with 

 paler rays of raised scales extending inward from the 

 outer margin of the fore wings between the veins, the 

 anterior five of these rays extending almost to the cell, 

 the rest triangular. The hind wings have a similar 

 border, but it is narrower and more continuous. The 

 male is without spots; the female has a dark brown 

 spot with a ferruginous centre at the end of the cell 

 of the fore wings, and the costa and fringe brown, with 

 brown at the ends of the veins. 



The under side of the male is almost a greenish yellow, 

 Avith a more or less distinct ferruginous bar at the end 

 of the cell of the fore wings, and a white or silvery spot 

 circled with ferruginous on the cell of the hind wings. In 

 some examples there are no other marks, but in others 

 there are traces of marks Avhich are more distinct in the 

 female. 



The under surface of the female is greenish yellow, 

 but little darker than the male, with the costa rosy and 

 the fringe ferruginous brown. There is a bar at the end 

 of cell of fore wings composed of five rosy spots circled, 

 and separated by brown and ferruginous. On the end 

 of cell of hind wings are two silvery- white spots circled 

 like the others, and set in a patch of brown and fer- 

 ruginous scales. On the fore wings beyond the cell are 



