548 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxx. 



Closel>^ allied to M. fuUginosa Warren from Peru, but with an 

 indistinct brown median line replacing the straight distinct bar in that 

 species. 



Type.—Cs^t. Ko. 9432, U.S.N.M. 



Genus MIMOSEMA Warren. 

 MIMOSEMA DORSILINEA, new species. 



Forevnng. — Dark fawn-color with a reddish tinge and dense fuscous 

 speckling; costal edge rufous, without striw, lines reddish; first from 

 one-fourth of costa to near middle of inner margin, slighth' concave 

 outward, inwardlj^ edged with a flesh-colored line; outer line from 

 three-fourths of costa to two- thirds of inner margin, also slightly con- 

 cave outward and outwardh' edged with a flesh-colored line; submar- 

 ginal line obscurel}' indicated b}- dark marks between the veins; cell 

 spot dark; fringe red at base edged with flesh-color, the tips again 

 becoming gray. 



Hlndwiiuj. — With only the outer line. 



Under side pale ochreous, with blackish speckling except along inner 

 margin; cell spots distinct; outer line indicated; forewings with red- 

 dish submarginal cloud from costa; the apex pale gra}' Avith dark 

 dusting. 



Head, thorax, and abdomen like wings; a flesh-colored dorsal stripe 

 from front of thorax to anal tuft which is grayish ochreous. 



Ed'paiue of wings. — 34 mm. 



Locality. — Carabaya, southeast Peru; 1 male. 



Nearest to M. i //titans Warren from Panama; distinguished b}' the 

 dorsal stripe and red costa. 



Type.— Cat No. 9433, U.S.N.INl. 



Genus MYCHONIA Meyrick. 

 MYCHONIA EXCISA, new species. 



Foi'ewing. — Dark grayish faA\n -color speckled with black, central 

 area l)rowner; lines l)rown; first from nearly one-third of costa to 

 two-fifths of inner margin, slightly outcurved above and below the 

 median vein, the inward teeth marked on the whitish vein points; 

 outer line from four-fifths of costa; shortlv outcurved and angled 

 shaT'})ly on vein 7, then oblique to two-thirds of inner margin; edged 

 out\Niir(lly especially on veins, with whitish, which forms a white spot 

 on co.sta; a dark cell spot; fringe concolorous. 



lH/iiliin/ig. — With the outer line central. 



Under side paler, grayish speckled with black and slightly rufous 

 tinged in the forewing; marginal ar(>a fuscous, with the apex gray; 

 hindwing whitish, gray speckled; hind marginal area fuscous; cell 



