270 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxix. 



Krpansc. — 44 mm. 



lh(l>itat. — Sf. Jean, Maroni Kiver, French Guiana. 



Type.— C'^ii. No. 8780, U.S.N. M. 



RIFARGIA CONDITA, new species. 



Palpi grey, laterally brown. Head reddish brown and grey. Col- 

 lar and thorax anteriorly brown, posteriorly grey. Abdomen darker 

 grey above, white below. Primaries: the basal third white irrorated 

 with black, crossed by a black wavy line, geminate on costa, and 

 limited by a straight black line, geminate below cell to inner margin; 

 rest of wing light brown becoming darker toward apex; at end of cell 

 a kidney-shape spot outlined with black; traces of geminate medial 

 lines on costa and inner margin; a wavy geminate, brown, postmedial 

 line followed by a row of large black spots between the veins from 

 3-8; a black marginal line straight from apex to vein 3, interrupted 

 and irregular below vein 3; fringe light lirown with darker spots at 

 ends of veins. Secondaries white, also the fringe; a broad black band 

 on outer margin. 



Expanse. — 35 mm. 



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



Type.—i^^t. No. 8731, U.S.N.M. 



RIFARGIA DEMISSA, new species. 



Palpi and head })utf brown; a dark brown streak on palpi. Thorax 

 lichen grey; some dark brown hairs on thorax anteriorly. Abdomen 

 dark brown-grey; anal segments light grey; some luteous tufts at 

 base; underneath bufi'. Primaries lichen grey, irrorated with reddish 

 brown and black scales; a basal dark brown line terminating in a 

 brown spot above submedian; a dark brown, waved, dentate, geminate, 

 antemedial line; two oblique brown lines at end of cell, crossed by an 

 indistinct medial brown shade, geminate on costa; a postmedial brown 

 lunular line, followed b}^ two black spots above and below vein 2, and 

 three spots above vein 5, which are oblique toward apex; a tine red- 

 dish brown submarginal shade; a marginal black lunular line inter- 

 rupted by pale streaks on veins; fringe grey and brown with darker 

 spots. Secondaries greyish black, some pale hairs on inner margin. 

 Underneath black, the fringe luteous; a yellowish space on inner 

 margin. 



Expanse. — 41 mm . 



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



Type.—^^X. No. 8732, U.S.N.M. 



RIFARGIA EXTRANEA, new species. 



Female. — Head, collar, and thorax brown mottled with grey. Abdo- 

 men above dull grey-brown, underneath white, shaded with brown at 

 base and on anal segments. Primaries gre}^, irroi-ated with dark 



