LEPIDOPTERA HETEROCERA. 1717 



Male. Dark cinereous, pale cinereous beueath. Palpi stout, 

 squamous, obliquely ascending, not rising higher than the vertex; 

 third joint elongate-conical, less than one-fourth of the length of 

 the second. Antennae very minutely pubescent. Abdomen ex- 

 tending much beyond the hind wings; apical tuft rather large. 

 Fore wings narrow, slightly rounded at the tips ; a black basal dot ; 

 a brown band near the base, bounded on its outer side by a zigzag 

 pale cinereous line, the latter irregularly black-bordered on its outer 

 side; a postmedial transversely elongated black clot in the disk ; a 

 more exterior pale cinereous zigzag line, which is black-bordered on 

 its inner side and has a brown submarginal band on its outer side ; 

 marginal points black. Hind wings pale brown. Length of the 

 body 3£ lines ; of the wings 8 lines. 



a. North America. From Mr. Carter's collection. 



Nephopteryx seminivella. 



Foem. Nigricante-cinerea ; caput, palpi, corpus subtus, pedes et 

 alee posticce nivea ; palpi subascendentes, articulo So nigro 

 lanceolato ; alee anlicce angmtce, apice rotundatce, linea ante- 

 media non obliqua nonnunquam interrupta liturisque exte- 

 rioribus cinereis. 





Female. Blackish cinereous. Head, body beneath, legs and 

 hind wings pure white. Palpi white, slightly ascending, extending 

 somewhat beyond the head, a little shorter than the breadth of the 

 latter ; third joint black, lanceolate, less than half the length of the 

 second. Antenna? slender. Abdomen cinereous above, extending 

 much beyond the hind wings. Legs slender. Fore wings narrow, 

 rounded at the tips; an irregular cinereous not oblique sometimes 

 interrupted antemedial line ; a few small ciuereous marks near the 

 outer side of the line; exterior border convex, rather oblique. 

 Length of the body 4J lines ; of the wings 13 lines. 



a, b. United States. Presented by E. Doubleday, Esq. 



Nephopteryx canalis. 



Foem. JEvteo-cervina, cano confertissime conspersa ; palpi graciles, 

 oblique ascendentes, verticem paullo superantes, articulo So 

 longi-conico ; abdomen ceneo-cinereum, alas posticas paullo 

 superans ; alee anticce apice rotundatce ; posticce ceneo-cinerece, 

 semihyalina. 



R3 



