WM. G. DIETZ, M.D. 37 



edge and apical portion of second and basal portion of third joint. 

 Head grayish-white, speckled with brown scales, vertex fuscous in 

 middle, face faintly tinged with yellow. Haustellum long and scaly 

 at base in the male, apparently obsolete in the female. Basal joint 

 of antennas nearly twice as long than wide, grayish-white, speckled 

 with brown, pecten long, pale gray, shaft pale fuscous-brown, 

 rather deeply excised above the base in the male, tuft subtruncate, 

 denticulate, cilia less than h Thorax grayish-white, speckled with 

 brown, more densely so on anterior part of patagia and on the disc ; 

 anterior margin grayish-ochreous, behind it on each side, is a patch of 

 blackish scales. Forewings elongate, pointed, costa slightly retuse 

 along middle two-fourths, slightly depressed towards the apex, dorsal 

 margin evenly curved ; ground color white, dusted with dark brown 

 and ferruginous, the latter predominating in basal, the former in apical 

 half of wing ; the dusting condensed as follows ; basal part of extreme 

 costa dark brown, near the base is a subcostal, ferruginous cloud, 

 and within it a fine, more or less interrupted, black line, a similar line 

 above and another beneath the fold in basal third, dorsal portion of 

 the latter, near the base, more densely dusted with brown ; at about 

 one-third of the costa is a dark ferruginous spot, from which precede 

 an irregularly curved, pale ferruginous fascia which reaches the dorsal 

 margin a little beyond one-third, externally it fades gradually into the 

 ground color, while towards the base project several dentiform pro- 

 cesses, in the fascia and above the fold is a bright ferruginous spot, and 

 a little beyond and above a second one, a pale ferruginous line extends 

 into the median space above the fold, immediately beyond the middle 

 is an oblique dark brown costal spot, extending toward but not attain- 

 ing the fold, below its dorsal extremity and below the fold is a dark 

 line, beyond the costal spot are some blackish dots, two moderately 

 large spots at end of cell, and besides these a rather large whitish- 

 brown costal and dorsal spot, and between these an acutely angulated 

 line ; periapical margin with a row of subconfluent blackish spots ; 

 cilia grayish, with four or five ill-defined pale lines ; underside fuscous- 

 brown. Hindwings nearly as wide as the forewings, costa slightly 

 retuse in apical half, outer half of dorsal margin evenly curved to apex, 

 the latter obtuse ; pale yellowish-fuscous, with a faint brassy tinge; 

 cilia under 1, grayish, with darker lines in outer half, yellowish towards 

 the base with pale basal line. Abdomen pale grayish-fuscous, anal 

 bush grayish-white, segments edged with black posteriorly and fringed 

 with grayish-white scales ; ovipositor of female exerted, short. Under- 

 side of body silvery white, somewhat dusted with pale fuscous. Legs 

 white, suffused, especially on the outer side with dark fuscous ; hair- 

 brush of posterior tibiaa grayish-white. Expansion 16.-0 mm., 0.66-0.8 

 inch. 



Had, — Md, (Plummer's Island), July and August, 1903. 



TRANS. AM. ENT. SOC, XXXVI. MARCH, 1910. 



