NO. 1420. NE W so UTH A MERICAN MO THS—SCHA US. 269 



brown shade; this line below vein 3 seems to start from the post- 

 medial line; apex light reddish brown, with some dark velvety streaks; 

 some dark g'rey submarginal spots preceded in the female by a pale 

 grey shade above vein 4; an irregular tine dark marginal line; outer 

 margin crenulate, the fringe reddish brown. Secondaries dark brown, 

 paler in the female; fringe reddish brown; a black spot at anal angle. 



Expanm. — Male, 63 mm.; female, 76 mm. 



Habitat. — St. Li urent, Maroni River, French Guiana. 



7}//>t^— Cat. No. 8728, U.S.N.M. 



RIFARGIA MISTURA, new species. 



Palpi reddish brown; two lateral pale streaks. Head, collar, and 

 thorax dark brown; a large gray spot posteriorly on thorax. Abdo- 

 men reddish brown; anal segments grey above. Primaries grey irro- 

 rated with brown; the basal third of costal margin, extending below 

 cell, dark brown, limited l\y a geminate brown line which extends from 

 costa to inner margin; a small darker grey spot in cell, followed by 

 an oval spot merely outlined, finely, by blackish brown; a dark grey 

 shade above this spot on costa, curving around cell to middle of inner 

 margin; an outer germinate, lunular, dark brown line, divided b}' light 

 brown shades, from vein 8 to inner margin, incurved below vein 3, 

 followed by a dark grey shade between veins 3 and 4, and paler grey 

 shades above vein 4; outer margin darker grey; some brown at apex; 

 a velvety brown streak between veins 7 and 8; a marginal black irreg- 

 ular line; dark terminal lunules; fringe brown, spotted with buff at 

 ends of veins. Secondaries dark brown; fringe p;tler; some black 

 streaks at anal angle. Underneath the secondaries with long reddish 

 brown hairs, and a submarginal black band. 



Expanse. — Male, 67 unn. 



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



Type.—OAt. No. 8729, U.S.N.M. 



RIFARGIA NOTABILIS, new species. 



Palpi, head, and collar ochreous brown. Thorax moss grey. Abdo- 

 men dark grey above, luteous underneath; anal hairs ochreous brown. 

 Primaries ochreous brown; the costal margin moss grey to near apex, 

 with darker spots; a similar oblique band froni base of cell to inner 

 margin, followed by a line dark brown line; an irregular black line at 

 end of cell; from cell to su1)marginal line and from vein 4 to costal 

 margin dark grey, crossed by two wavy darker lines; a postmedial 

 reddish ])i-own line below vein 4; the submarginal line fine, velvety 

 l)lack, wavy from vein 8 to vein 4; ])elow vein 4 lunular and marginal; 

 fringe grey with darker spots. Secondaries whitish; the costal margin 

 narrowly, the inner margin broadly smokj^ black; a dark streak at anal 

 angle. 



