LEPIDOPTEBA HETEROCERA. 1619 



exterior border hardly convex, moderately oblique. Hind wings 

 extending much beyond the abdomen. Length of the body 4 lines ; 

 of the wings 12 lines. 



a. Venezuela. From Mr. Dyson's collection. 



Zanclopteryx tributaria. 



Alba; caput antice fuse urn ; antenna sat valida ; alee opalina, 

 lata ; antica apice subrectangulata, puncto discali punctisque 

 marginalibus nigris, casta subtus testacea. 



White. Head brown in front. Antennae smooth, rather stout. 

 Legs smooth, slender; hind tibiae with four long spurs. Wings 

 pearly, broad, not long; fringe long, full. Fore wings nearly rec- 

 tangular at the tips; discal poiut and marginal points black ; costa 

 almost straight, testaceous on the under side ; exterior border 

 slightly convex and oblique. Hind wings with the interior angle 

 prominent. Length of the body 6? lines ; of the wings 15 lines. 



a. Bogota. From Mr. Stevens' collection. 



Zanclopteryx melagonata. 



Mas. Alba, gracillima ; antenna setulosa ; pedes longissimi ; 

 tibia posticce dilatata, sulcata, penicillata, calcaribus nullis ; 

 alee tenuissima, lineis pallide testaceis valde indistinctis, gutta 

 discali trigona punctisque marginalibus nigris ; anticce acuta. 



Male. White, very slender. Palpi slender, extending a little 

 beyond tbe head. Antennae minutely setulose. Abdomen long, 

 acuminated, hardly extending beyond the hind wings. Legs very 

 long and slender; hind tibiae dilated, without spurs, furrowed and 

 with a penicillate plume beneath. Wings very delicate, with three 

 or four very indistinct pale testaceous lines and with a black 

 triangular discal dot; marginal points black. Fore wings acute; 

 costa and exterior border almost straight, the latter very oblique. 

 Length of the body 6 lines ; of the wings 16 lines. 



a. Ceram. Presented by F. Moore, Esq. « 



Zanclopteryx permensata. 



Mas. Alba, nitens, gracillima ; antenna pubescentes ; pedes lon- 

 gissimi, gracillimi ; tibia postica incrassata, sulcata, peni- 

 cillata, non calcarata ; ala subliyalina, linea exteriore e 

 punctis fuscis, linea submarginali pallide fusca, puncto discali 

 fusco,punctis marginalibus nigris; antica acuta. 



