LEPIDOPTERA HETEROCERA. 77 



Genus 30. NIGRAMMA. 



Fcem. Corpus sat crassuru. Fasciculus frontalis productus. 

 Proboscis brevis, gracilis. Palpi laeves, ascendentes, verticem su- 

 perantes; articulus 3us lanceolatus, 2i dimidio non brevior. Abdo- 

 meu alas posticus superans. Pedes laeves, longiusculi, sat graciles ; 

 tibiae posticae calcaneus quatuor longissirais. Alae longae, angustae ; 

 anticae acutas, margine exteriore subconvexo perobliquo. 



Female. Body moderarely stout. Frontal tuft rather promi- 

 nent. Proboscis short, slender. Palpi smooth, erect, longer than 

 the breadth of the head, and rising much above the vertex ; third 

 joint lanceolate, abont half the length of the second. Antennae 

 smooth. Abdomen extending beyond the hind wings. Legs smooth, 

 rather loug and slender ; hind tibiae with four very long spurs. 

 Wings long, narrow. Fore wings acute ; costa straight ; exteriot 

 border slightly convex, very oblique. 



This genus is nearly allied to Stenopteryx, and the latter 

 is probably one of the Fhycidce. 



1. NlGRAMMA QUADRATIFERA. 



Foem. Fuscescente-cinerea ; alee anticz fascia interiore extus 

 dilatata fasciaque basali tenui nigris, litura discali e strigis 

 tribus nigris, linea submarginali nigra denticulata interrupta, 

 punctis marginalibus nigricantibus. 



Female. Brownish cinereous. Fore wings with an interior 

 black band, which is dilated into a patch on the outer side, and with 

 a slender black band near the base ; discal mark composed of three 

 short transverse black streaks ; submarginal line black, denticulated, 

 incomplete ; marginal poiuts blackish. Length of the body 6 lines ; 

 of the wings 17 lines. 



Genus 31. SEBUNTA. 



Mas. Corpus vix robustum. Palpi porrecti, lati, breviusculi, 

 subrostriformes ; articulus 3us brevissimus. Antennae basi non 

 incrassatae. Abdomen alas posticas paullo superans ; fasciculus 

 apicalis parvus. Alae anticae elongatae, vix acutae, costa recta, mar- 

 gine exteriore convexo. 



Male. Body hardly stout. Palpi porrect, broad, subrostri- 

 form, much shorter than the breadth of the head, not acute; third 

 joint extremely short. Antennae not incrassated at the base. Ab~ 



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