648 NOCTUID&. 
Secr, III. Fore wing with the termen hardly excised below apex and obliquely 
curved below vein 3. 
A. (Pierogonia.) Fore wing of male with vein 1 highly sinuous towards 
termen, the median nervure strongly curved upwards, then bent 
downwards to lower angle of cell, the neuration distorted uecar angles 
of cell; claspers very large and flattened. 
7101. Pterogonia episcopalis. 
Pterogonia episcopalis, Swinh. Trans. Ent. Soc. 1891, p. 152; Hmpsn. 
Moths Ind. il. p. 368. 
3. Head and thorax violaceous grey irrorated with a few brown 
scales, the vertex of head and tegule with slight brown streak ; 
fore tibize ferruginous, the tarsi black-brown ringed with white ; 
abdomen pale brown with slight whitish segmental lines, the 
claspers fringed with rufous hair, the ventral surface whitish 
except towards extremity. Fore wing violaceous whitish irrorated 
Fig. 260.—Pterogonia episcopalis, §. +. 
with a few black-brown scales, the antemedial costal area tinged 
with rufous, the area to beyond the cell except below vein 1 with 
numerous striz which are rufous on costal area, blackish along 
median neryure and in and beyond end of cell; a white subbasal 
line defined on outer side by rufous from costa to submedian fold; 
antemedial line indistinct, whitish, defined on outer side by blackish 
to vein J, oblique to below vein 1, then erect, angled outwards 
below costa and at median nervure and inwards at submedian fold ; 
a conical silvery patch at end of cell defined by rufous, and with 
small silver spots defined by rufous beyond its extremity at angles 
of cell and a small black spot below lower angle of cell; slight 
rufous marks above and below base of vein 7; postmedial line 
indistinct, whitish defined on outer side by slight rufous spots from 
vein 6 to 1, somewhat oblique to vein 7 and incurved at discal fold 
and in submedian interspace; a subterminal series of small black 
spots except towards apex and tornus with faint silvery marks 
before them ; cilia dark brown at tips. Hind wing whitish tinged 
with brown, the terminal area broadly fuscous, narrowing to 
tornus ; cilia white except towards apex and tornus. Underside 
