334 FROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxix. 



Frenulum weak, vein 10 usually from the cell. 



Antenna' over half the length of fore wings Lagoa 



Antenna' less than half the length of fore wing Megalopyye 



Fore wings with veins 4, 5 stalked ' McKocia 



Hind wings with vein 8 joined to the sul)costal narrowly centrally, or not over two- 

 thirds of the cell. 

 Hind wings with veins 3, 4 stalked. 

 Veins 4, 5 of fore wings separate. 



Wings rounded; antennae less than half the length of fore wings Cijclara 



Wings less rounded; antenn;e over half the length of fore wings AitarcIiyJus 



Veins 4, 5 of fore wings stalked - Gois 



Hind wings with veins 3, 4 separate. 



Fore wings rounded OcliromiiKt 



Fore wings pointed PodaUa 



Genus CARAMA Walker. 

 CARAMA IMPARILIS, new species. 



Antennae ochreous. Palpi and frons l)lackisli brown; white hairs at 

 base of autennt^; vertex pale 3'ellow. Collar and thorax dark grey; 

 patagia white. Abdomen brown, black above, whitish underneath; a 

 subdorsal patch at base, and anal hairs pale yellow. Primaries grey; 

 the costa, veins and fringe white; a faint whitish shade from cell at 

 vein 2 to inner margin. Secondaries darker grey; the fringe white; 

 a whitish spot at end of cell. 



Expanse. — 24 mm. 



Habitat. — vSt. Jean, Maroni River, French Guiana. 



Type.—C'Ai. No. 8012, U.S.N.M. 



CARAMA FLAMMICORNIS, new species. 



Body white. Tarsi, mid and fore tibiic black; a dark spot on fore 

 coxa?; frons dark brown and grey. Antenni« red. Wings white; the 

 costa of primaries finely black. 



Expanse. — 27 mm. 



Ilahitat. — Geldersland, Surinam River, Dutch Guiana. 



Tijpe.—OAt. No. SOlS, U.S.N.M. 



Genus TROSIA Hubner. 

 TROSIA PULCHELLA, new species. 



Body ochreous. the thorax mottled with roseate. Antenn.e and 

 tarsi black. Pritnaries ochreous, shading to brown and then oliva- 

 ceous grey terminally; a black streak in cell below subcostal followed 

 by a roseate patch. Secondaries reddish ochreous; the outer m:irgin 

 i)r()adly smoky black from vein 2 to apex, underneath i-eddish ochre- 

 ous; the outer margins t)roadly smoky black. 



Expanse. — 29 mm. 



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



Type.—Q^X. No. 8914, U.S.N.M. 



