NEW SPECIES OF DREPANIDA AND NOCTUIDA) FROM FORMOSA. 81 
apex; whitish, powdered with pale brown, discoidal spot black, a 
smaller spot at lower end of the cell; antemedial line dark brown, 
wavy, diffuse, not continued to costa; postmedial line dark brown, 
double, wavy; several diffuse dark brown transverse lines on the 
terminal area; black marks on the veins before termen. Underside 
whitish suffused and powdered with brown, discoidal marks as above ; 
all the wings have a dark brown postmedial line and subterminal 
band. 
Q. Apex of fore wings rather more produced and the angle at 
middle more acute; the hind wings more deeply notched below 
apex, slightly angled about middle. 
Expanse, 34 millim. 
Collection number, 632. 
One example of each sex. The male from Kagi, August 21st, 
1905 (on the plains), and the female from Kanshirei (1000 feet), 
April 12th, 1908. 
Near P. excisa, Hampson. 
Nocrvuip. 
Enispa bilineata, sp. n. 
¢. Head brown, white between antenne, the latter ciliated white 
at base; thorax and abdomen rather greyish-brown, the latter white 
at base. Fore wings greyish brown, costa darker edged with white 
beyond the middle ; antemedial and postmedial lines whitish, indis- 
tinct ; the postmedial slightly excurved, and indented above dorsum ; 
discoidal dot and points on the termen black. Hind wings greyish 
brown, discoidal dot blackish, line beyond whitish and slightly 
sinuous ; terminal line black, interrupted. Underside whitish, fore 
wings suffused and the hind wings freckled with fuscous; all the 
wings have a dusky discoidal spot and a transverse line beyond. 
Expanse, 18 millim. 
"Collection number, 1628. 
A male specimen from Kanshirei, May 7th, 1907. There 
are two specimens from Formosa (Wileman) in the British 
Museum; both of these are smaller in expanse and have a 
larger discoidal mark on the fore wings. 
Comes nearest to H. leucosticta, Hampson. 
Plecoptera (?) umbrosa, sp. n. 
6. Head and thorax ochreous brown mixed with darker greyish 
brown; antenn fasciculate; abdomen pale brown, flecked with 
darker. Fore wings ochreous brown, flecked with darker, medial and 
basal area transversely clouded with dusky ; antemedial line blackish, 
sinuous ; postmedial line blackish, wavy, indented before dorsum; 
discoidal dot pale; terminal area dusky, traversed by an indistinct 
and irregular band of the ground colour ; a white point followed by 
a dark dot at end of the veins; fringes dusky, paler at base. Hind 
wings fuscous, wavy, terminal line and tornal cloud ochreous brown. 
