P.EDISCA. 
45 
margin ; a subobsolete tawny-speckled central fascia, witli some fuscous scales posteriorly 
before the anal angle, followed by an indistinct ocellated spot containing two black streaks, 
with a patch of mixed ashy grey and tawny shading above it : cilia greyish, tipped with 
fuscous, with a pale tawny line along theu* base. Hind wings dingy greyish. Type (J . 
Expanse of wings 14 millims. 
Nova Scotia. From Lieut. Redman's collection. 
Psedisca pulveratana. (Plate LXX. fig. 6.) 
Head, palpi, and antennae dusty Avhitish grey ; thorax grey. Fore wings — three times as 
long as wide ; the costa scarcely arched — whitish grey, much irrorated with pale brownish 
fuscous, with two brownish-fuscous pale-margined half-fascife sloping obliquely outwards 
from the dorsal margin; some minute brownish-fuscous spots or streaks along the costa ; 
and before the apex a fuscous shade^ through which are some rather shining greyish lines 
margined with brownish fuscous, running towards the dorsal margin ; a streak or spot of 
shining grey at the anal angle. Hind wings brownish grey ; cilia paler. 4 (J . Expanse 
of wings 15-19 millims. 
San Francisco, May 16th, 1871. I have also received it from Texas. 
Psedisca primulana. (Plate LXX. fig. 7.) 
Palpi slightly drooping, tapering, and clothed to their points, together with the head, 
thorax, and antennae pale primrose, the latter faintly annulated and pubescent in the male. 
Fore wings — more than twice as long as wide ; the costa arched ; apical margin very oblique, 
convex ; a small inconspicuous costal fold in the male closely appressed — pale primrose 
watered as it were with rather shining pearly-white streaks, which sometimes enclose an 
oblique olivaceous streak from beyond the middle of the costa to a point above the anal 
angle, and an elongated olivaceous spot below the costa before the apex. Hind wings and 
abdomen grey, with paler cilia. Female smaller than the male ; fore wings slightly narrower 
and more acute. 6 , 1 ? . Expanse of wings 1 7-20 millims 
Mendocino County, June 10th, 1871, 
Psedisca biquadvana. (Plate LXX. fig. 8.) 
Head, palpi, and antennae greyish brown; palpi obtuse, slightly depressed, extending 
more than the length of the head beyond it ; thickly clothed to the apex : antenn* of the 
male having a serrated appearance. Anterior wings — with a short appressed costal fold near 
the base in the male; the costa slightly arched; hind margin oblique — whitish much streaked 
with wavy brown and fuscous lines ; a pale fuscous shade runs along the upper edge of the 
cell; some fuscous scales at the apical margin and at the apex, within which is a small 
ferruginous-brown triangle, crossed by several slender blackish-fuscous lines; four or five 
