481 



opposite the discal dot. JJcncatli, the liind wings arc pale snl|)liur.-y«dlo\v, 

 like the fore wiugs, and the markings all re-appear, bii( the discal dots and 

 tlecks are larger and eosJal end of the outer line on the lore wing is waved, 

 and much more distinct. Legs yellowish, tinged irregularly, and l)andcd 

 with pal(! lawn-color. 



Length of body, 0.50; of I'ore wing, 0.(J5 ; e.\|)anse of wings, LSfj 

 inches. 



The hind wings are more angulated than usual, and tiic fringe of both 

 wings more decidedly scalloped. Harris says: "The male lias pectinated 

 antenna3 and a long tongue." 



2 <i . — The following description applies to the specimens from the 

 Eastern States : 



Bright sulphur-yellow ; abdomen and hind ^ving paler. Front of the 

 head yellowish ; orbits atul ])alpi orange. Fore wings bright straw-yellow, 

 unspotted. Basal third of the costa above and beneath edged with reddish- 

 brown. An oblique, straight, I)rown, inner line bent at right angles on the 

 costa. A small, brownish, discal dot, paler on the hind wings. Outer line 

 oblifjue, nearly parallel with outer edge oi" wing, slightly sinuate, ending a 

 little before the apex ; dark brown fading out on the outside, and spreading 

 out triangularly (as if split) on the costa. The space between this line and 

 the outer edge is pale brown on the hinder three-quarters of the margin, sul- 

 phur-yellow toward the apex, which is tipped minutely with brown. Fringe 

 yellowish, whitish opposite the brown portion. Hind wings yellowish-white, 

 beyond the outer, sinuate, reddish-brown line washed with brown, though 

 much paler than on the fore wings. Beneath as above ; outer line broader, 

 crinkled on the co.sta, and with a decidedly reddish-brown edge, though j)aler 

 than above. Legs broadly banded with pah; l»rown. 



Length of body, c?, 0.45 ; of fore wing, 0.62 inch. 



Bridport, Vt. (Putnam); White Slountains, early in August (Scudder); 

 Mount Washington, N. H. (Mus. Peab. Acad. Sc); Albany, N. Y. (Meske). 



The following description applies to the Pacilic-coast si)ecimens, of 

 which one is represented on plate 11, fig. 51 : 



Sulphur-yellow; palpi and orbits deep reddish-orange ; thorax sulphur- 

 yellow, concolorous with tlie primaries : hind wings pale yellow, a little deeper 

 than the abdomen. Primaries crossed by two light-brown lines, the inner 



(often obsolete) oblique, scarcely curved, and bent at right angles on the 

 01 P H 



