526 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxx. 



inner with still darker blotches on costa, inner margin, and between 

 veins 3 and 4; the three lines start from three black costal triang-ular 

 marks and are all angled })elow subcostal vein; the tirst line curved 

 inwardly on inner margin, the other two outwardly; th(? outer line 

 darkest and marked Avith lilackish on the veins; dark gray marginal 

 spots; fringe gray, double, the l)ase and middle line both showing- 

 paler, and mottled with deeper gray beyond veins. 



n!n<hr/7ig. — Similar, without tirst line: cell spot in both wings dark, 

 partiall}' obscured. 



Under side like upper, but decidedly yellow tinged along costa and 

 in marginal areas of both wings; the veins yellowish: the lines less 

 marked; but the cell spots distinct. 



Head, thorax, and abdomen whitish, gr^y speckled. 



E.i'jjanx^' of trlngs. — 80 nun. 



LocuUty. — Oaxaca, Mexico; 1 female. 



Ty/^e.— Cat. No. 9390, U.S.N.M. 



Genus SEMIOTHISA Hubner. 

 SEMIOTHISA ABRUPTA, new species. 



Forewing. — Hyaline yellowish white, suffused with rufous, the 

 ground-color showing only in the foveal space, in patches along cell 

 and before the outer line from costa to vein 2; the whole surface 

 speckled with dark; along costa beyond outer line there is a tint of 

 violet-graj^; lines very indistinct, but starting from conspicuous costal 

 dark brown streaks; tirst streak outwardlv oblique to middle of cell, 

 second l)road before middle, third at two-thii'ds, oblique inward, con- 

 tinued as a line to three-fourths of inner margin and marked b}^ broad 

 black teeth on veins, connected by rufous lunules; a dentate-edged 

 black-brown subniurginal shade from vein 4 to anal angle; a white 

 bent streak from costa into apex; thick lilack marginal dashes on a 

 brown marginal line; the veins rufous at ends: fringe ochreous and 

 rufous. 



Hlndwing. — Wholly suffused with rufous; a thick antemedian den- 

 tate-lunulate postmedian line, its teeth in middle black: a chestnut- 

 })rown shade along margin from apex to middle, below middle pale 

 ochreous beyond a dark-edged rufoussubmarginal shade; fringe above 

 middle black; below pale ochreous. 



Under side with thick waved median shade and broad outer fascia 

 rich chestnut-brown; forewing with costa yellow, and apical area white, 

 the inner maigin and whole of hindwing suffused with rufous; hyaline 

 patches of forewing as a)»ove; a blackish band from apex of hindwing 

 to tooth at middle. 



Head, thorax, and al)domen chestnut-brown and ochreous. 



KvjHUise of iringn. — 28 nun. 



