NO. 1420. x^ W SO VTH A MERICA X MO THS—SCHA VS. 275 



outer margin dark grey, the veins whitish. Secondaries dark smoky 

 gYQy. The female is slightly paler than the male. 



Expa7i8e. — Male, 35 mm.; female, 43 mm. 



Ifabifat. — St. Jean, Maroni River, French Guiana. 



Type.—i^2X. No. 8742, U.S.N.M. 



Genus LUSURA Walker. 

 LUSURA PLORABILIS, new species. 



Palpi dark brown; a white point ahove. Head lilacine brown. 

 Thorax dark steel grey, thinly streaked with grey hairs. Abdomen 

 dark violaceous above, creamy white below. Primaries: steid black, 

 finely irrorated with grey; some dark brown in cell, at l)ase of inner 

 margin; an antemedial and a postmedial row of dark velvety 1)rown 

 spt)ts, the latter followed by some ])rown shadings, and two rows of 

 dull dark brown spots; some white irrorations on costa medially, and 

 three whitish points toward apex; a dark brown spot at end of cell; 

 the outer margin shaded with brown and crossed by a row of dark 

 velvety lunules, outwardly shaded with buti'. Secondaries smok}- 

 brown. 



JExpanse. — 45 mm. 



Ilahitat. — St. Jean, Maroni River, French Guiana. 



The female differs in having the antemedial and postmedial spots 

 dull brown. 



Type.— Oat. No. 8743, U.S.N.M. 



Genus NESEBRA, new genus. 



Antennae shortly pectinated to be3'ond middle in both sexes. Palpi 

 down curved; third joint minute. Primaries long and rather narrow, 

 outer margin rounded; veins 2, 3, and 4 equally distant; 5 from mid- 

 dle of discocellular; 6 from below upper angle of cell; 7 to 10 stalked; 

 10 beyond 7. Secondaries: veins 3 and 4 apart; 5 weak; and 7 on 

 short stalk; 8 diverging from 7 at middle of cell. 



NESEBRA NOREMA, new species. 



Palpi reddish brow^n. Head and thorax violaceous brown. Abdo- 

 men dull dark brown above, buff underneath. Primaries brown; a 

 dark velvety brown oblique streak from l)ase below median to inner 

 margin, followed b}' a white spot below cell, lighter brown in and above 

 cell, all limited hj a geminate curved brown line, closely followed by a 

 blackish line; space to outer line brown, in one specimen dark velvety 

 brown, with a large irregular paler spot in cell and a greyisli shade on 

 costa above it; outer line brown, evenly curvetl from costa to vein 3, fol- 

 lowed to that vein by a whitish shade, then a brown shade, widest on 

 costa; outer margin mottled with grey and lilacine; a sul)marginal row 



