290 PROCEEDINGS OF 2 HE NATIONAL MUSEUM. vol. xxix. 



dark points on veins; a dark streak at end of cell; the postmedial 

 spots starting from costa near apex; a slight siibniarginal darker 

 shade; the inner margin lobed; a slight sinus before angle. Second- 

 aries whitish, thinly irro rated with light reddish brown; the opaque 

 spot violaceous lirown. 



Expanse. — 45 mm. 



Habitat. — Orizaba, Mexico. 



Ty2ye.—C^t. No. 87T9, U.S.N.M. 



HEMICERAS NEBULOSA, new species. 



Palpi bufi'; a lateral brown streak. Head and collar anteriorly 

 brown; vertex white; collar posteriori}^ and thorax lilacine, thinly 

 streaked with brown. Abdomen blackish above; transverse pale 

 lines posteriorly on segments. Primaries butf, irro rated with brown; 

 light grey shades at base, and along inner margin; a grey streak at 

 end of cell, from which a dark gre}^ shade starts and widens on outer 

 margin from submedian to near apex; a basal dark point below cell; 

 antemedial dark points on median, below it and on submedian; an 

 outer row of black points on veins, followed by an outwardly lunular 

 dark brown line; the inner margin straight. Secondaries brown; the 

 outer margin and opaque spot very dark; fringe whitish. 



Expanse. — 35 mm. 



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



Type.—C'^it. No. 8780, U.S.N.M. 



HEMICERAS NIGRIPLAGA, new species. 



Palpi brown fringed with buff. Frons brown; a white streak in 

 front of antennae. Collar and thorax reddish brown, the collar fringed 

 with violaceous. Abd(mien greyish brown above. Primaries brown; 

 an irregular line dark brown line spotted with black on veins and beloAv 

 cell, the costal spot largest; a large black spot at end of cell, sur- 

 mounted by a smaller black spot; a dentate black line from below costa 

 near apex to vein 5, followed by dark brown and black spots; on veins 

 3 and 4 a black point; from vein 2 to inner margin at sinus a dentate 

 dark brown line; sinus finely black; inner margin lobed. Secondaries 

 whitish, thinly scaled with brown and gre}^ hairs; veins and margins 

 shaded with brown; opaque spot dark brown. ' The female has the 

 secondaries dark greyish brown. 



Expanse.- — Male, 3!) mm.; female, 43 mm. 



Hahitat.- — Maroni River, French Guiana. 



Type.—i^^t No. 8781, U.S.N.M. 



HEMICERAS MUSCOSA, new species. . 



Palpi brown fringed with white. Head and thorax violaceous brown ; 

 white hairs at base of antennae; white scales posteriorly on thorax. 



