102 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxx. 



Genus CARBONA, ne^A^ genus. 



Palpi smoothly scaled, upturned, third joint small; eyes naked; 

 tibiae nonspinose; antennae simple; vestiture scale-tipped hair, some 

 metallic scales at back of thorax. Hind wings with vein 5 weak, from 

 below the middle of discocellulars. 



CARBONA OBSCURA, new species. 



Brown-black, inner area of primaries uniformh^ obscured; filling of 

 basal, transverse anterior and posterior lines shows on costal half as 

 yellowish lunules, supplemented by yellowish (jostal bars toward apex; 

 ordinary spots tinged in burnt brown, dark filled, obscurely black 

 ringed. Hind wing shining black-brown. Below as hind wing above, 

 without marks. 



Expanse. — 30 mm. 



Habitat. — Petropolis, Brazil. 



Type.— Oat. No. 9530, U.S.N.M. 



Genus OLIGIA Hubner. 

 OLIGIA FUSCOMA, new species. 



Thorax variegated in clay color and dark brown. Primaries with 

 the costa straight, the wing narrow; dark brown, slightlv bronz}"; 

 a clay colored space at base surrounding the narrow dark subbasal 

 line, projected on median vein; transverse anterior line of four clay 

 colored cusps, the lower one outwardly dislocated; orbicular and 

 reniform outlined in clay color; a broad costo-apical clay colored 

 patch from which the transverse posterior line depends, excurved 

 around reniform; subterminal line parallel to margin, defining the 

 lighter terminal space. Secondaries gre^'-brown with large dark 

 discal dot. 



Expanse. — 21 mm. 



Ilahitat. — Sao Paulo, Brazil. 



Type.— Cat No. 9531, U.S.N.M. 



Genus SEMIOPHORA Stephens. 

 SEMIOPHORA BASTULA, new species. 



Bronzy brown; a round white spot in upper segment of reniform 

 broken into throe specks by dark scales; orbicular narrowly white 

 ringed; ordinary lines very obscure, black, punctiform, geminate, the 

 subterminal a faint wavy, pale shade. Secondaries blackish; discal 



