182 BULLETIN 15 7, U. S. NATIONAL MUSEUM 



lunule of blue scales and above it from one to four more, which 

 diminish in size and in intensity. Very rarely blue scales are wholly 

 absent from within the discal area of the hind wings and also wholly 

 absent from the fore wings. The hind wings are moderately scal- 

 loped and the tails are broad. Only rarely are the hind wings deeply 

 scalloped and the tails narrow in the basal half. 



The next commonest female form (No. 2; pi. 37, fig. 2) in the 

 vicinity of Washington is more or less deep ochreous-yellow. The 

 outer border of the hind wings is deeply scalloped, and the tails are 

 much narrowed at the base. The discal area of the hind wings com- 

 monly shows a few scattered blue scales in the outer portion, and 

 there may be a considerable number of these. More than half of 

 the yellow females are of this form, which is the only yellow female 

 recorded in the spring brood. 



The third commonest female (No. 3; pi, 37, fig. 1) is light, clear 

 yellow. The three bands across the cell of the fore wing are equally 

 spaced, as in the preceding form. The hind wings are only mod- 

 erately scalloped, and the tails are broad. In the shape of the wings 

 this resembles the black females more than it does the females of 

 the yellow form just described. 



The fourth female (No. 4; pi. 38, fig. 1) resembles the preceding, 

 but the upper surface of the hind wings shoAvs the abundant blue 

 scaling characteristic of the black form, which gives them a whitish 

 appearance and an opalescent sheen. Blue scales also occur on the 

 basal side of the lower end of the innermost black band on the fore 

 wings, in the same position in which they are frequently found in 

 the black females. On the fore wings the black band across the 

 outer portion of the cell has moved outward so that there is only 

 a narrow yellow patch between it and the band crossing the end of 

 the cell. This form is fairly common. It intergrades more or less 

 with the preceding, while the ochreous females sometimes approach 

 it in the amount of blue in the discal area of the hind wings. 



The fifth female form (No. 5; pi. 38, fig. 2) resembles the preced- 

 ing in the shape of the wings, in the occurrence of an abundant blue 

 scaling on the discal area of the hind wings, and in the approxima- 

 tion of the two outer black bars across the cell on the fore wings. 

 It differs in having the yellow areas of the wings, which are very 

 light and whitish, speckled with black scales which between the wing 

 bases and the innermost band on the fore wings and the long narrow 

 stripe on the hind wings are extremely numerous, equaling or ex- 

 ceeding the whitish-yellow scales in numbers. 



W. H. Edwards has figured a female which resembles this except 

 that the ground color of the wings is a rather deep yellow. It is 

 quite likely that this infuscated female form occurs in both light 

 and ochreous phases. 



