1875.] | MR. A. G. BUTLER ON NEW INDIAN LEPIDOPTERA. 391 
4. Descriptions of several new Species of Indian Hetero- 
cerous Lepidoptera. By Arruur G. Butter, F.L.S., 
F.Z.S., &e. 
[Received May 4, 1875.] 
The following species have recently been added to the National 
Collection :— 
Family SpHineip2. 
Genus Panacra. 
PANACRA PERFECTA, 0. sp. 
Form of P. vigil, but pattern and coloration of P. metallica. 
Head, palpi, collar, pterygodes, and thorax above olive-brown; a 
lateral line on the vertex of the palpi, along each side of the head, 
collar, and pterygodes lilacine; a central spot on the crest, and 
another in the middle of the collar, of the same colour ; a whitish 
line along the inner margins of the pterygodes; abdomen greyish 
brown in the centre, tinted with lilacine at the base, and with a dorsal 
double series of indistinct blackish spots, two on each segment; sides of 
the abdomen mahogany- brown, with a broad paler streak, ferruginous 
on the basal segments, but golden mottled with ferruginous on the 
posterior segments ; primaries above olivaceous, varied on discoidal 
area with lilacine streaks, and longitudinal blackish and grey lines 
on the nervures ; a black dot at end of cell surrounded by a lilacine 
zone ; a piceous streak, followed by three blackish parallel oblique 
lines from internal margin to upper radial nervure ; apical and ex- 
ternal areas (including the central portion of the interstices between 
the oblique lines) buff, varied with olivaceous ; an irregular disco- 
submarginal brown line from apex to external angle, margined by a 
brownish diffused streak at its extremities and between the radials 
(at which point the external area is dark olivaceous); an exterior 
submarginal line parallel to the last, but not reaching the apex ; 
outer margin olivaceous ; secondaries rosy brown, clothed at base 
with greyish olivaceous hairs, external area dark brown, a double 
submarginal ochreous streak from just beyond the third median 
branch to the anal angle ; fringe yellow, spotted with black at the 
ends of the nervures: palpi below white, ferruginous at the sides ; 
pectus bright golden, varied in front with ferruginous, and at the 
sides with silver scales; coxee and trochanters sordid white, fringed 
with ferruginous, anterior femora and tibiz brown, tarsi white ; 
second pair of legs pale brown, the femora fringed above with orange, 
below with gold; third pair rosy whitish, the femora fringed below 
and the tibize above with golden scales; venter ferruginous, sprinkled 
all over with golden scales, a silvery lateral patch on the basal seg- 
ments, a whitish central streak; a lateral row of black dots; pri- 
maries below with the basal half dark greyish brown, costa ochra- 
ceous; external half ochre-yellow, a broad red streak tapering from 
the end of the cell to the apex ; the oblique lines of the upperside 
red, the submarginal lines blackish, with white interstitial line at 
