new species of North American Tortricidse. 513 
Semasia oclirocejphala, sp. n. 
AntenncB greyish, the basal joint pale ochreous. Palpi whitish 
ochreous, with a brown spot on the outer side of the second joint. 
Head whitish ochreous. Thorax whitish ochreous, streaked with 
fawn-brown. Forewings whitish ochreous, much suffused with 
fawn-brown from the base to the ocelloid patch as high as the 
upper edge of the cell ; some narrow oblique fawn-brown streak- 
lets along the costal margin alternate with wider ones ; an oblique 
patch of the same colour at about the middle of the margin con- 
nected with the dark suffusion below it, on this suffused portion 
are patches of greyish fuscous tending obliquely outwards from 
the basal third of the dorsal margin and reverting to it, beyond the 
middle ; the ocelloid patch is pale yellowish ochreous margined by 
shining silvery bands and containing two black streaks; cilia 
whitish ochreous, with a slight shade along their base near the 
apex. Exp. al.^ 18 mm. Hindwlngs brownish grey, with whitish 
cilia, shaded at their base. Abdomen greyish fuscous, anal tuft 
whitish ochreous. Legs whitish. 
Type. $ . Mus. Wlsm. 
Hah. Colorado— Loveland, 5,000 ft., July, 1891 
(Smith). 
Several specimens of this species which appears to be 
allied to 8, corculana^ Z. 
Semasia ohliterana, sp. n. (PI. XII., fig. 15.) 
Antennce white, faintly annulated. Falpi, Head, and Thorax 
milk white. Forewings milk white ; an elongate grey spot below 
the fold at one-fourth, and a patch of grey scales at the outer end 
of the cell, occasionally preceded by longitudinal grey streaks, 
beyond this some lines of grey scales extend outwards to the apical 
margin below the apex, terminating in an oblique streak of ferru- 
ginous and black scaling connected with a grey shade in the cilia 
and enclosing a small ochreous patch, above which the apex and 
apical cilia are pure white, as is the whole costal fourth of the 
wing, with the exception of a series of grey dots along the extreme 
margin and two short streaks before the apex ; the ocelloid patch 
is shining white containing transverse lines of ferruginous and 
black scales sometimes only faintly indicated ; opposite to this the 
apical margin and cilia are thickly speckled with grey, the spaces 
above and below being white, with the exception of two smaller 
grey patches at the anal angle. Exp. aL, 31 mm. Hi?idwings 
brownish grey ; cilia white, with a faint shade along their base. 
Abdomen brownish grey. Legs white. 
