LEPTDOPTEEA HETEEOCERA. 835 



metallicae, lituris nullis ; anticae subrotundatae, costa subconvexa, 

 margine exteriore valde obliquo. 



Male. Body rather slender. Proboscis short. Palpi short, 

 pilose ; third joint acute, declining, much shorter than the second, 

 with which it forms an angle. Antennae rather stout, minutely pu- 

 bescent, hardly serrated ; first joint long, robust. Abdomen hardly 

 extending beyond the hind wings. Legs smooth ; hind tibiae pilose ; 

 spurs moderately long. Wings rather short, somewhat metallic, 

 without markings. Fore wings somewhat rounded at the tips, 

 slightly convex along the costa ; exterior border very oblique. 



Type, N. congrualis. 



This genus perhaps does not belong to the Hypenidce, 



1. Nachaba congktjalis. 



Mas. Purpurea ; abdomen cinereum ; alee sericea, fascia exteriore 

 indistincta ochracea, linea marginali alba gracillima ; antic& 

 costa subtus basi fasciculata et incrassata. 



Male. Purple, cinereous beneath. Abdomen cinereous. Wings 

 glossy, with an indistinct ochraceous exterior band ; marginal line 

 white, very slender. Fore wings with the costa tufted and somewhat 

 incrassated beneath at the base. Length of the body 3J lines ; of 

 the wings 8 Hues. 



Rio Janeiro. In Mr. Fry's collection. 



2. Nachaba ? oppositalis. 



Mas. Cupreo-fusca ; antenna glabrae, subangulata 3 ; pedes sat 

 validi, iibiis posterioribus fimbriatis ; alee nitentes, fimbria 

 nigra ; anticce apices versus cupreo-rufa, costa media fascicu- 

 lata ; posticce Icete lutea?, margine cupreo-rufo strigam attenu- 

 atam emittente. 



Male. Cupreous-brown. Under side and abdomen cinereous 

 brown. Antennae smooth, the flagellum forming a sligt angle with 

 the scape. Legs rather stout ; posterior tibiae fringed. Wings glossy ; 

 fringe black, shining. Fore wings cupreous-red towards the tips ; 

 costa tufted in the middle. Hind wings bright luteous, with a cu- 

 preous-red border, which emits an attenuated streak into the disk ; 



4d 



