524 
XOCTl'IDjB. 
and slightlyfringed with hair behind towards extremity, the 3rd 
rather long and somewhat dilated at extremity ; frons smooth, 
with tuft of hair above ; eyes large, round ; antennae of male 
with bristles and cilia ; thorax clothed with hair and scales 
mixed, the pro- and metathorax with spreading crests ; tibiae 
of male fringed with rather long hair, the mid tibiae dilated 
with a fold containing a tuft of long hair, the mid and hind 
tibiae of female slightly fringed with hair ; abdomen with 
some rough hair at base of dorsum, but without crests. Fore 
wing with the termen produced to points at apex and vein 4, 
and excised between the points, oblique below vein 4, slightly 
crenulate ; veins 3 and o from near angle of cell ; 6 from 
upper angle ; 1) from 10 anastomosing with 8 to form the 
areole ; 11 from cell. Hind wing with the termen produced 
to points at veins 7 and 4, crenulate ; the cell less than half 
the length of wing ; veins 3, 4 from angle ; 5 fully developed 
from just above angle ; (5, 7 from upper angle ; 8 anastomosing 
with the cell near base only. 
Genus EUCLY5TIS. 
type. 
Euclystis, Hi. bn. Verz. p. 341 (1827) centurialis , Hiibn. 
Arizona, Hiibn. Verz. p. 342 (1827) rnanto. Cram. 
Foe ilia. Guen. Noct. iii. p. 333(1852) sytis, Guen. 
Am-ph igonia, Guen. Nutt. iii. p. 337 (1852) insana, Guen. 
Galapha, Walk. xv. 1544 (1858) antecedens, Walk. 
Euclystis polioperas, n. sp. 
Head, thorax, and abdomen reddish brown tinged with 
grey ; antennae fuscous brown ; frons with white lines at 
sides ; palpi with blackish bands before the tips which are 
white ; tarsi fuscous brown ringed with whitish ; ventral 
surface of abdomen whitish. Fore wing reddish brown tinged 
with grey ; antemedial line dark brown, forming two small 
spots defined on inner side by whitish towards costa below 
which it is angled outwards, strongly bent inwards in the cell, 
then excurved ; a blackish point in middle of cell ; reniform 
a narrow lunule faintly defined by brown and with some 
ochreous on inner side of lower part of centre ; medial line 
brown, slightly angled outwards below costa, then oblique 
to vein 2 and excurved in submedian interspace ; postmedial 
line dark brown with a slight whitish mark on its outer side 
at costa, minutely waved, oblique to vein 0, incurved at 
discal fold, bent outwards between veins 5 and 4, then in- 
curved, some pale points beyond it on costa ; a purple-grey 
patch on terminal area from costa to vein 5 with a dark 
mark at apex, defined on inner side by the waved dark sub- 
terminal line which is double below vein fi and below vein 5 
very faint and almost reduced to double dark marks in the 
