LEPIDOPTERA HETEROCERA. 
77 
Genus 30. NIG11AMMA. 
Fcem. Corpus sat crassum. Fasciculus frontalis productus. 
Proboscis brevis, gracilis. Palpi laeves, ascendentes, verticem su- 
perantes; articulus 3us lanceolatus, 2i dimidio non brevior. Abdo- 
men alas posticas superans. Pedes laeves, longiusculi, sat graciles ; 
tibiae posticae calcaribus quatuor longissimis. Alas lorigae, angustae ; 
anticae acuta?, 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. Eegs stnooth, 
rather long and slender ; hind tibiae with four very long spurs. 
Wings long, narrow. Fore wings acute ; costa straight ; exterior 
border slightly convex, very oblique. 
This genus is nearly allied to Stenopteryx , and the latter 
is probably one of the Phycidce. 
1. Nigramma quadrattfera. 
Fcem. Fuscescente-cinerea ; alee anticre fascia interiore extas 
dilatata fasciaque basali tenui niyris , fitura discali e strigis 
tribus nigris , linea submarginali nigra denliculata 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 points blackish. Length of the body 6 lines; 
of the wings 17 lines. 
a. ? 
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 elougatae, 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- 
H 3 
