LEPIDOPTERA HETEROCEBA. 341 



Male. White, slender. Head, palpi, fore part of the thorax, 

 abdomen, except towards the base, and fore legs ochraceous. Palpi 

 porrect, extending rather beyond the head ; third joint elongate- 

 conical, not more than one-fourth of the length of the second. 

 Antennae very broadly pectinated; branches black. Fore wings 

 slightly or almost imperceptibly cinereous along the costa and along 

 the exterior border; under side with the costa, the exterior border 

 and a middle stripe more or less black. Hind wings with a black 

 marginal band, which is excavated on the inner side and is abbre- 

 viated towards the interior angle and is occasionally cinereous and 

 interrupted. Length of the body 8 — 8-J lines; of the wings 

 20—23 lines. 



Very nearly allied to G. circumdata, but the latter has the fore 

 wings distinctly blackish-bordered. 



Darjeeling and Cherra Punji, larger and paler from the latter 

 locality. In Mr. Atkinson's collection. 



GENUSA ? DESTITUTA. 



Mas. Alba ; proboscis brevis ; palpi graciles, longiusculi, oblique 

 ascendentes, arliculo 3o lanceolato ; antennae longiusculce, late 

 pectin atce ; thorax flavo bimaculatus ; pedes graciles, tibiis 

 anticis subtus unispinosis, tibiis posticis bicalcaratis ; alee sub- 

 hyalince ; anticce costa pallide cervina basifiava. 



Male. White. Proboscis short. Palpi slender, elongate, 

 obliquely ascending ; second joint clothed with short hairs ; third 

 lanceolate, about one-fourth of the length of the second. Antennae 

 rather long, broadly pectinated. Thorax with a yellow spot on each 

 side in frout. Legs slender; fore tibiae black above, armed beneath 

 with a slender appendage, which equals them in length ; hind tibiae 

 with two apical spurs of moderate length; knees black; tarsi 

 blackish beneath. Wings slightly hyaline. Fore wings rounded 

 at the tips ; costa pale fawn-colour, yellow at the base. Length of 

 the body 8 ? lines ; of the wings 20 lines. 



Cambodia. In Mr. Saunders' collection. 



Genus PENORA, C. L. H. iv. 821. 



Penora Silhetica. 



Alba ; pedes laves, tibiis posticis quadricalcaratis ; alee latce, semi' 

 hyalince ; anticce subacute. 



