NO. 1420. NE W SO UTII A MERICAX MO THS—SCHA US. 273 



RIFARGIA DISCREPANS, new species. 



Feiivih'. — Palpi blown, friiitred with l)urt'. Head and thorax greyish 

 brown. Abdomen bhickish "rev above; a subdorsal brown tuft on 

 third seg-nient; underneath dark buti'. Primaries dark mouse grey; a 

 yague circular brown space between median and submedian yeins on 

 basal third, crossed by a dark brown lunular line, partly geminate; 

 the postmedial line, yelvet}' l)rown, dentate, deeply so inwardly 

 l)etween yeins 4 and 5, interrupted between yeins 2 and 3, preceded 

 and followed by a dark yelyety brown line below yein 2; the costa 

 mottled with light grey between the lines; the postmedial followed 

 aboye yein 4 b}" reddish brown shades, crossed liy a nearly straight 

 dark line close to the postmedial: a dark submarginal streak aboye 

 and one below yein 5; a yelyety brown lunular mark between 7 and 8; 

 a faint marginal grey shade, and short white streaks on yeins; the 

 yeins on outer margin dark In'own; a terminal dark lunular line edged 

 with light broy\"n. Secondaries: base light brown, otherwise yery 

 dark brosvn; the fringe hiteous; a dark brown streak and white spot 

 at and aboye anal angle. Underneath dull dark brown; a broad bull' 

 space on inner margin from base to anal angle. 



Expanse. — 47 mm. 



Halntat. — St. Laurent, Maroni Riyer, French Guiana. 



Tyjje.—C^i. No. 8738, U.S.N.M. 



RIFARGIA TULIRA, new species. 



Male. — Head and thorax brown, mottled with buff. Abdomen 

 yiolaceous brown above; dirty yellow underneath. Primaries buft' 

 l)rown; l)asal half thickh" irrorated with darker l)rown, on which the 

 geminate basal and antemedial lunular lines are only distinct on costa; 

 a medial geminate lunular black line divided by reddish brown, nearly 

 straight from costal to inner margin; a large irregular spot at end of 

 cell, outlined with buff and containing some black lines, followed by 

 a dark brown dash on veins 4 and 6; a similar dash on vein 2; these 

 dashes followed by the postmedial, which is black, tinely way}^ shaded 

 inwardly with buff; the veins postmedially irrorated with black and 

 grey; darker brown shadings on outer margin; a terminal black line, 

 thickened between the veins. Secondaries dark brown; a dark point 

 at anal angle; fringe pale l)ufl'. Underneath dull dark brown; on 

 secondaries some dirty yellow shades below cell and on inner margin; 

 a faint medial l)rown shade. The female is greyer in tone. 



Expanse. — Male, 45 mm.; female, 49 mm. 



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



Tyjje.—C^it. No. 8739, U.S.N.M. 



Proc. N. M. vol. xxix— 05 18 



