THINOPTERYX.—-XEROPTERYX. 149 
Hind wing with a fuscous line on discocellulars; a double sub- 
marginal line angled at base of tail; a patch of fuscous on tail. 
Dark blotches are often present at end of cell of both wings : 
pretoraria, from Sylhet, is yellower, and thickly irrorated with 
fuscous striz ; whilst in nebulosa almost the whole of the wings, as 
far as the submarginal line, is suffused with fuscous brown. The 
Japan form striolata is thickly irrorated with fuscous and orange 
strie ; and another form has prominent orange strize and fuscous 
patches. 
Hab. Japan; China; throughout India and Ceylon; Andamans ; 
Java. Hap. 70-80 millim. 
“ Genus XEROPTERYX. 
Xeropteryx, Butl. Journ. Linn, Soc. xvii, p. 203 (1883). 
Type, X. columbicola, W1k. 
Range. Sikhim; Khasis; Sumatra; Borneo. 
Differs from Urapteryx in the palpi being slightly longer; an- 
tenne of male ciliated; hind tibiz with a tuft of long hair from base 
on the outer side. Fore wing with vein 3 from before angle of 
cell; 7,8, 9,10 stalked from before angle of cell ; 10 anastomosing 
with 11, which is given off from12. Hind wing with the outer 
nega tailed at vein 4; vein 3 from before angle of cell. 
3091. erericeys columbicola, Wik. Cat.xx,p.11; C. § S. no. 3112. 
V Xeropteryx simplicior, Bul. Journ. Linn. Soc. xvii, p. 204. 
Pale brown; the wings thickly striated with pale fuscous. Fore 
wing with a submarginal yellowish hyaline spot on vein 5 and large 
crescent-shaped patch below it; the cilia whitish. Hind wing 
Fig. 80.—Xeropteryx columbicola, g. 1. 
with black speck at end of cell; large fulvous patch on middle of 
outer area; the cilia whitish; the tail almost covered by three 
blackish spots. Underside with some blackish submarginal 
patches. 
The form simplicior, from Sumatra and Borneo, is without the 
hyaline spot and crescent on fore wing. 
Hab. Sikhim ; Khasis; Sumatra; Borneo. vp. 58 millim. 
