EASTERN UNITED STATES. 199 



Joint 2 is short, has but little black, and lacks the 

 tubercles and spines. Head bilobed, black, sparsely 

 clothed with gray hairs. Between joints 12 and 13 is a 

 large whitish patch crossed by a fine black line. Below 

 the stigmata are two yellow lines, the lower interrupted, 

 both spotted with black. 



The chrysalis is yellowish, moderately angular ; head- 

 case bifid, slightly projecting, and edged with brown 

 above ; thoracic projection forming an obtuse angle ; 

 dorsal spines minute, of nearly uniform size, brown- 

 tipped ; segments with rows of brown dots, and also of 

 brownish markings. 



The food-plants are G-napliaUum polycephalum, Arte- 

 misia Ludoviciana, and probably other allied species. 



United States generally. 



65. PYKAMEIS CARDTJI, Linn. 



Expanse of wings from 1.75 to 2.5 inches. 



Upper surface reddish fulvous, the fore wings marked 

 as in P. ffuntera, except that the bar in the apical black 

 portion of the fore wings is white instead of fulvous, and 

 the white subrnarginal dot in the fulvous is absent, as 

 is also the violet apical shade. The hind wings have the 

 submarginal black spots, with a very little blue in the 

 fourth and fifth, and the border is broken. 



The under side is much as it is in P. Huntera, but 

 there are five ocelli on the hind wings instead of two, 

 and thev are smaller. 



/ 



The mature larva is 1.5 inches long, cylindrical, rather 

 robust. The general color of the substigmatal region, as 

 well as that of the middle part of each joint, and the greater 

 part of the thoracic joints, is a delicate lilac. Between the 



