46 
TOETEICID^, 
small triangular fuscous streaks along the costa, alteruated with narrow blackish -fuscous 
lines ; two ferruginous patches on the dorsal margin — the first before the middle^ the second 
wider beyond the middle, both margined and streaked with fuscous, enclosing and defining 
with the fuscous shade above them a square patch of the pale ground -colour, which also 
appears conspicuously within the anal angle ; a curved ferruginous streak from below the 
apical triangle to the apical margin above the anal angle : cilia whitish, tinged with brown. 
Hind wings and abdomen brown, with a slightly fuscous tinge along the margin. 2 J* . 
Expanse of wings 22 millims. 
Pitt River, Shasta County, California, end of July 1871. 
Psedisca shastana. (Plate LXX, fig. 9.) 
Palpi tapering to a blunt point, whitish ochreous, the sides and apex somewhat fuscous ; 
antennpe pale, slightly pubescent in the male ; head whitish ochreous above and in front, with 
a tuft of ferruginous scales above each eye; thorax brownish in front, above and behind 
whitish, irroratcd with brown scales. Fore wings — three times as long as mde, costa straight ; 
a short appressed costal fold near the base ; hind margin oblique ; dorsal margin slightly 
rounded — yellowish white, much blotched and streaked with brown and fuscous ; the costa 
shaded with In'ownish fuscous to the middle, beyond it with three brownish-fuscous spots 
alternating with four slender, short, brownish-fuscous lines on the pale gi'ound-colour ; on the 
dorsal margin are two irregular ferruginous-brown blotches much tinged with blackish fuscous, 
and enclosing a wide oblique half-fascia of the pale ground-colour, which also appears con- 
spicuouslj^ above and within the anal angle ; an irregular triangular blotch of ferruginous 
brown mixed with blackish fuscous lies before the dorsal margin, which it touches at the 
apex and above the anal angle. Abdomen and hind wings pale brown : cilia brownish white. 
I , 1 ? . Expanse of wings 27 millims. 
Mount Shasta, California, August 1871. 
Psedisca cataclystiaua. (Plate LXX. fig. 10.) 
PiEdisca cataclystiana, Wall: Cat. Lep. Het. xxviii. p. 378. 
Steganoptycha ? ochreaiia, Clem. Proe. Ent. Soc. Phil. ill. p. 520. 
Palpi ochreous, short, obtuse, projecting but little beyond the head, apical joint not 
exposed ; head, thorax, and antennae ochreous. Fore wings — three times as long as wide, the 
costa slightly arched ; apex produced, acute ; apical margin oblique, indented below the apex, 
with an appressed costal fold at the base in the male — ochreous; an indistinct brownish- 
ochreous shade along the middle of the wing from the base to near the upper edge of the 
ocellated spot is accompanied by some faint longitudinal streaky lines on either side of it ; 
some minute brownish abbreviated streaks along the costa, alternating beyond the middle 
with shining metallic silvery-white oblique streaks, of which the first is produced outwards 
