LEPIDOPTEEA HETEROCERA. 141 



fasciaque obliqua abbreviata ochraceis ; postiece fascia ochracea 

 perobliqua antice dilatata postice abbreviata ochracea. 



Male. Deep black. Head in front and beneath, palpi beneath, 

 antennae at the base, pectus, abdomen beneath and legs beneath 

 white. Fore wings with rather less than half the length from the 

 base bright ochraceous, including two deep black basal streaks ; a 

 bright ochraceous oblique abbreviated band at much beyond the 

 middle. Hind wings with a very oblique bright ochraceous band, 

 which does not extend to the exterior border, and is much dilated 

 towards the the costa, of which it occupies two-thirds of the length 

 from the base. Length of the body 6 lines ; of the wings 18 lines. 



a. Brazil. From Mr. Gardner's collection. 



Genus GERRA. 



Mas. Corpus gracile. Frons subproducta, hirsuta. Proboscis 

 breviuscula. Palpi porrecti, hirsuti, frontem non superantes ; 

 articulus 3us brevissimus. Antennae subpeetiuatae. Abdomen alas 

 posticas non superans ; fasciculus apicalis minimus. Pedes squa- 

 mosi ; tibiae fimbriatae; calcaria quatuor longa. Alae anticae elon- 

 gata?, longiusculae, margin e exteriore subconvexo sat obliquo. 



Male. Body slender. Front prominent, hirsute. Proboscis 

 rather short. Palpi porrect, hirsute, not extending beyond the front ; 

 third joint extremely short. Antennae slightly pectinated. Abdomen 

 not extending beyond the hind wings ; apical tuft very small. Legs 

 squamous, moderately long and stout ; tibiae fringed ; spurs long. 

 Wings elongate, rather broad. Fore wings rounded at the tips ; 

 exterior border very slightly convex, rather oblique ; second inferior 

 vein about twice further from the first than from the third ; third 

 more than twice further from the fourth than from the second. 



Allied to Josia. 



GERRA RADICAL1S. . 



Mas. Fusca ; abdomen ochraceum ; alee anticce purpureo-cinereo 

 conspersce, orbiculari et reniformi e maculis duabus saturate 

 fuscis, lineis duabus exterioribus flexis saturate fuscis, fascia 

 submarginali saturate ochracea intus nigricante marginata ; 

 postiece lutea,fusco late marginata. 



