LEPIDOPTERA HETEROCERA. 1319 



ISOPTERYX? FAVILLALIS. 



Mas. Pallide clnerea ; palpi fusci, graciles, arcuati, verticem 

 paullo superantes, articulo 2o subfimbriato^ 3o lineari ; antennm 

 subserratce ; alee longce, angustce, linea media nigricante dupli- 

 cata subundulata perobliqua, spatio marginali fuscescente 

 nebuloso, linea submarginali cinerea vix angulosa, punctis 

 marginalibus nigris ; anticce linea basali nigricante indeter- 

 minata, puncto subcostali nigro, costa albido punctata. 



Male. Pale cinereous. Body beneath and legs white. Palpi 

 brown, slender, curved, obliquely ascending, rising a little higher 

 than the vertex; second joint with a very short fringe beneath; 

 third linear, pale cinereous at the tip, about half the length of the 

 second. Antennae very minutely serrated. Legs slender. Wings 

 long, narrow, with a blackish double slightly undulating, very 

 oblique middle line, which is most distinct in the hind wings; mar- 

 ginal space brownish-clouded, including a submarginal hardly zig- 

 zag cinereous line; marginal points black. Fore wings acute, with 

 a blackish incomplete very oblique line near the base; a black sub- 

 costal point at the middle of the length ; costa with whitish points; 

 exterior border slightly convex, extremely oblique. Length of the 

 body 2 lines ; of the wings 5 lines. 



a. Moreton Bay. From Mr. Diggles' collection. 



Genus COPTOBASIS. 

 Coptobasis, Ld. Wien. Ent. Mon. vii. 429. 



COPTOBASIS OPISALIS. 



luminalis, Ld. Wien. Ent. Mon. vii. 482, pi. 16, f. 10 — Desinia 

 Opisalis, C. L. H. xvii. 346. 



b. Hindostan. Presented by the Secretary of the India Board. 



Coptobasis textalis. 

 textalis, Ld. Wien. Ent. Mon. vii. 482, pi. 16, f. 9. 

 Hindostan. 



Coptobasis spretalis. 

 spretalis, Ld. Wien. Ent. Mon. vii. 482. 

 Amboina. 



