WM. G. DIETZ, M.D. 47 



22. H. boreasella n. sp. (Plate III, fig. 22.)— Palpi moderate, 

 terminal joint one-half (o 71 ) or three-fifths ( 9 ) the length of the second ; 

 ochreous, suffused, especially externally with fuscous. Antennae slen- 

 der, grayish-fuscous, feebly denticulated beneath, not excised above 

 the basal joint in the male ; basal joint one and one-half as long as 

 wide, ochreous, pecten gray. Head grayish-ochreous, finely speckled 

 with fuscous. Thorax grayish-ochreous, suffused anteriorly and on 

 the disc with purplish-fuscous. Forewings rather broad, especially 

 in the male, costal margin nearly straight from about the basal third 

 to apical fourth, equally narrowed from both margins to the rather 

 acute apex ; ground color sordid ochreous, streaked and somewhat 

 diffused with purplish-fuscous, speckled with white scales, the latter 

 forming a somewhat elongate triangular patch in the basal space, the 

 latter limited at one-third by a strongly angulated line which is shaded 

 outwardly, especially in costal portion, with dark purplish-fuscous, in 

 this space, the white scales predominate, especially in the dorso-apical 

 portion, and form a white line in the fold edged with fuscous scales, 

 an indistinct short line of dark scales below the costa, immediately 

 beyond the angle of the angulated line is a distinct, slightly elongate 

 dark spot, and at the end of the cell two equally distinct spots, between 

 the former and the lower spot at end of cell is a row of white scales 

 edged with fuscous scales, and between this and the costal margin is a 

 similar one, between the latter and the costal margin is a dark line 

 which reaches the angulated fascia, a white line edged with fuscous in 

 the fold, becoming less distinct outwardly, the suffusion with purplish- 

 fuscous is more marked in costal half and apical part of wing, and 

 more pronounced in the male, the white scales are more evident along 

 outer portion of fold and in apical part of wing ; cilia ochreous, sprinkled 

 with white and a few fuscous scales. Hindwings as wide as the fore- 

 wing, more obtusely pointed in the male, costal margin scarcely retuse, 

 grayish with ochreous tinge and slightly dusted with fuscous; cilia 1, 

 grayish-ochreous, abdomen ochreous-fuscous, anal bush ochreous. 

 Underside of body and legs grayish-ochreous, suffused, especially the 

 legs with fuscous. Expansion 18.0-19.0 mm., 0.72-0.76 inch. 



Hab.—^. H. (Webster), Canada, (Montreal). 



One male and four females in my collection. Very close 

 to nucella, where comparative reference to this species will 

 be made. Veins 3 + 4 of hindwing stemmed, stem variable 

 in length, 5 out of stem, or connate with it ; in one specimen 

 free. 



23. H. nucella Wish. (Plate III, fig. 23.) — " Antennas brownish- 

 fuscous ; basal joint yellowish-brown. Palpi yellowish-brown, shaded 

 with brownish-fuscous externally. Head and thorax yellowish-brown. 



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



