510 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.46. 



pale edged, inbent, very faint on costa; a fine wavy marginal line, 

 slightly thickened at middle of interspaces. Hind wings dark 

 brown ; a fuscous shade on discocellular. Wings below dull brown; 

 a faint darker postmedial line; a fuscous brown streak on disco- 

 cellular of hind wings. The legs very hairy. 



Expanse. — 40 mm. 



Habitat. — Geldersland, Surinam River. 



Type.—Csit. No. 16579, U.S.N.M. 



LEPTOCTENISTA GRANDIMACULA, new species. 



Male. — Body brown; a fuscous tuft at base of palpi; abdomen 

 dorsally thickly irrorated with dark brown; lateral tufts luteous. 

 Fore wings brown, paler shaded toward apex; the veins terminally 

 light brown; a black basal line across costa and cell, thickest on 

 costa; a fine brown antemedial line, geminate, slightly outcurved, 

 followed on costa by a black brown spot, in cell by the large black 

 orbicular, and some black brown scales close below median; reni- 

 form light brown, finely edged with whitish, preceded by a few 

 black scales in cell, and followed b}^ a large dark brown spot from 

 vein 4 to costa, outwardly edged by a wavy white line; traces of a 

 geminate dark brown line from this spot to inner margin on inter- 

 spaces; some grayish white and dark brown irrorations on inter- 

 spaces beyond, limited by a fine and indistinct subterminal line, 

 preceded on costa by a small fuscous brown spot; a wavy terminal 

 dark brown line. Hind wings fuscous brown; cilia buff brown. 

 Hind wings below brownish white; a dark discal spot; a postmedial 

 dark line interrupted between veins 4 and 2; dark terminal points. 



The tarsi with long fringe above to near ends. 



Expanse. — 32 mm. 



Habitat. — St. Jean, Maroni River. 



Type.— Cat. No. 16580, U.S.N.M. 



LEPTOCTENISTA HADENOIDES, new species. 



Male. — Palpi, head, collar, thorax, and basal tuft on abdomen 

 dark brown ; abdominal tuft followed by a small grayish white dorsal 

 tuft; abdomen dull fuscous brown. Fore wings dark brown; fuscous 

 brown shades at base; an indistinct paler brown antemedial line 

 defined by irregular fuscous brown shadings on either side ; orbicular 

 fuscous brown partly edged with whitish scales; a fuscous brown 

 curved line on discocellular inwardly edged by a fine white line, and 

 followed by a buff brown shade; postmedial interrupted, vertical 

 below discocellular, shaded with lighter brown; some white irrorations 

 medially above submedian; subterminal buff brown, vertical from 

 costa to vein 4, outcurved between 4 and 3, then incurved, edged 

 with fuscous brown shades, and partly with white scales; termen 

 lighter brown with a marginal, lunular, fuscous brown line; cilia 



