268 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxix. 



PHASTIA UMBRATA, new species. 



Head and thorax reddi.sh brown streaked with white. Abdomen 

 greyish buff. Primaries light brown shaded with grey at base, above 

 submedian and on outer margin above each vein; a round reddish 

 brown spot above submedian near base; the costal margin shaded witli 

 gre}^ and lilacine, traces of darker brown basal, antemedial, medial 

 and postmedial lines; a faint submarginal whitish shade. Secondaries 

 whitish thiclcly irro rated with lilacine l)rown. Underneath greyish 

 white. 



Expanse. — 30 mm. 



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



Type.—C^t. No. 8726, U.S.N.M. 



Genus MASCHANE Walker- 

 MASCHANE FRONDEA, new species. 



Palpi ochreous brown. Head violaceous irrorated with lilacine. 

 Collar bright yellow. Thorax lilacine brown. Abdomen ochreous 

 brown, paler underneath. Primaries light brown, shaded with ofeHre- 

 ous on outer margin; the base and medial space shaded with dull 

 violaceous; some lilacine irrorations on costal and inner margins; a 

 black point at end of cell; the costal margin very arched, with a medial, 

 broad, velvety brown streak across it. Secondaries light reddish 

 brown, palest at base. 



Expanse. — 34 mm. 



Hahitat. — St. Laurent, Maroni River, French Guiana. 



Another specimen is almost entirely dark violaceous, the outer 

 margin light brown, with darker brown marginal shade. 



Type.— C^it. No. 8727, U.S.N.M. 



Genus RIFARGIA Walker. 

 RIFARGIA LEMOULTI, new species. 



Palpi dark brown with two pale streaks. Head buff' and brown. 

 Collar dark brown edged with buff'. Thorax dark brown. Patagia 

 creamy buff, edged with dark brown dorsall3\ Abdomen dark brown; 

 some grey subdorsal scales on last segments; underneath brownish 

 cream color. Primaries dark grey; at base a large buff space streaked 

 with reddish brown occupying a little over one-third of wing on costal 

 margin and in cell; below cell it narrows to inner margin; a fine dark 

 ])rown line outwardly edged with pale grey limits this space from 

 costa to submedian and then continues wavy to inner margin; a kidney 

 shape spot at end of cell outlined by a fine brown line; a geminate 

 dark grey, lunular, postmedial line curved around end of cell; an 

 outer geminate and broken brown line divided by a pale reddish 



