115 



Butalis aterrimella Wlk. 



Gelechia aterrimella Wlk. 

 The following is a description taken from fresh specimens, undoubtedly identical 



with this species : 



Antenna, simple brownish-black. 



PaJpi, brownish-black. 



Tongue, clothed at the base with brownish-fuscous scales. 



Bead, face, and thorax, brownish-black. 



Forc-ivings, brownish-black, with a patch of scattered white scales on the middle of 

 the fold, and a few whitish scales beyond them, sparsely scattered towards the 

 apical portion of the wing ; these white scales appear to be very fugitive, and in 

 a worn specimen are almost entirely removed ; cilia, grayish-fuscous. 



Hind icings, brownish-fuscous. 



Underside of fore and hind wings, brownish-fuscous. 



Abdomen, brownish-fuscous, with a few ocherous scales about the ultimate segment 

 in the male. 



Legs, brown-black. 



Exj). al., $ 14""", 2 13""" 



Habitat, St. Martin's Falls, Albany Eiver, Hudson Bay ; Orono, Me. ; Mount Shasta, 

 Siskiyou County, Cal. 



Type, $, B.M. 



Both sexes received from Professor Fernald, taken at Orono ; I have also a single, 

 male, which I took on Mount Shasta in August, 1871. 



Butalis ochristriata sp. n. 



Antenna',, brownish-gray. 



Palpi, whitish, widely barred across the outside of the second joint, at its upper end, 

 with brown-gray, and sprinkled with the same color along the under side of the 

 apical joint. 



Tongue, clothed with whitish scales at the base. 



Head, mouse-gray, fading to whitish laterally around the eyes. 



Thorax, mouse-gray, paler at the sides aud on the patagia. 



Fore-wings, mouse-gray, sprinkled with long whitish scales on the outer half of the 

 extreme margin, aud all over the apical portion of the wing to the base of the 

 dorsal cilia; a broad whitish-ocherous streak starts from the middle of the base 

 aud follows the line of the fold, to beyond the commencement of the dorsal cilia, 

 fading into the ground-color on the middle of the wing above them ; cilia brown- 

 ish-gray. 



Hind-wings, brownish ; cilia brownish-gray. 



Abdomen, mouse-gray ; ^ with the lateral claspers bulged above attheirouterextremi- 

 ties, and prolonged at their lower angle into slender points, tending obliquely 

 downwards, and about equal in length to the posterior margin of the claspers 

 themselves ; in this respect as in its coloring this species differs from its nu- 

 merous allies. 



Legs, whitish-gray. 



Exp. al., 11^'™. 



Habitat, Sheep Rock, Siskiyou County, Cal. 



^ype $, Mns. Wlsm. 



Described from two males taken in August, 1871. 



Var. A. — In some specimens the mouse gray ground color of the fore-wing is re- 

 placed by brownish-fuscous or purplish fuscous ; the light scaliug on the costa and 



apical portion of the wing being obsolete, and the hind-wings assume an almost pur- 

 plish tinge. 



Habitat, Mendocino County, Cal. A single female taken on May 24, 1871 ; Siskiyou 

 County, Cal., seven males, August, 1871. 



