PHASSUS. — THYATIEA. 
31 
with striae and small spots in outline of dark brown ; an oblique tarnished silver dash at the 
end of the cell ; costal border silver-grey, interrupted by nearly equidistant black-edged dark 
brown oval spots : secondaries blackish, with diffused brownish external border and costa, the 
latter crossed by several dark striae : head and collar golden brown ; remainder of body above 
darker. Primaries below dark rufous brown ; the markings ill-defined, excepting upon the 
costa : secondaries and body nearly as above. Expanse of wings 150 millira. 
Silhet. 
Phassns damor. (Plate CIX. fig. 3.) 
Phassus damor, Moore, Cat. Lej). E.I. Comp. ii. p. 437. n. 989 (1859). 
Primaries above sericeous grey, indistinctly striated with darker lines ; costal border orna- 
mented with olive-brown spots ; an oblique brown bar across the basal third of the cell, almost 
joining a reversed oblique band terminating in a large patch of the same colour in the centre of 
the wing ; the upper edge of the latter margined with silvery white, which alone separates it 
from a t— shaped marking, also of olivaceous brown, beyond the cell ; two broad bands of slightly 
paler brown, the first crossing the disk from costa to inner margin and the second marginal : 
secondaries smoky brown, varied with darker spots towards apex, those nearest to costa being 
edged with whitish : thorax greyish brown ; tegulse dai'ker brown, with a longitudinal black 
line ; abdomen fuliginous brown. Under surface fuliginous brown : wings with cupreous 
reflections ; costal border of primaries whitish, with rounded blackish spots arranged like 
those of the upper surface. Expanse of wings 87 millim. 
Darjiling. 
CYMATOPHORID^. 
THYATIRA, Hiibn. 
(Gaurena, Walk.) 
There is absolutely no structural character to separate Gaurena from Thyatira, the 
species of Gaurena having even the little dorsal pencil of hairs common to Thyatira balls and 
allies. Gaurena was referred by Walker to the heterogeneous group of genera formerly 
associated as Bombycoidse. 
Thyatira florens. (Plate CIX. fig. 4.) 
Gaurena florens, Walker, Cat. Lep. Het. Suppl. ii. p. G20 (1865). 
Primaries above bronze-brown, crossed by irregular blackish lines, the first of which is 
close to the base and ^-shaped, the lower angle being spotted with yellow and the lower 
extremity with white ; immediately beyond this, upon the median vein, is a white spot ; the 
