50 



NORTH AMERICAN BUTTERFLIES. 



the black spots in central cell are repeated but enlarged, the other spots 

 in the middle of tlie wing are also repeated, and a portion of those on 

 outer margin. The ground color is not as bright but is tinted with 

 crimson lake at base of wings. The apex of fore, and whole surface of 

 hind wings, yellowish brown, spangled with numerous black-ringed, 

 silver spots, as seen in Fig. 20. There are crimson points at the base 

 of both wings. Female, with ground color, duller. Expands, 2.75 to 

 3.40. Habitat, Southern States, Arizona, and Californa, but has been 

 taken at Coalburgh, West Virginia ; Cape May, New Jersey ; and Phila- 

 delphia, Pennsylvania. 



Fig. 20. 



Agraulis vaniUat: a, lower side, b, chrysalip, Iroiit, c, same side, d, same bnck. 



GENUS XVI. 

 ARGYNNIS. SILVER-SPOTS. 



Size, small to large. Colors, usually orange or red- 

 dish orange above, conspicuously spotted and banded with 

 black. With the majority of species, the hind wings be- 

 neath, are conspicuously spotted with silver. Wings, large, 

 not pointed nor produced into prominent angles. Anten- 

 nae, long, exceeding one-half the length of the body, and 

 the club is flat and enlarged suddenly, occupying only a 

 small portion of the tip of the antennae. Type, A. aphro- 

 dite. ( Plate four, 1.) 



