286 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxix. 



HEMICERAS LONGIPENNIS, new species. 



Palpi ochreous brown fringed with bulf ; liead darker, some grey 

 scales at base of antennte. Collar ochreous brown, thorax darker; 

 patagia yellowish bull'. Abdomen dark golden yellow al)ove, under- 

 neath tinged with light brown. Primaries long and narrow, slightly 

 bulged below apex, then very oblique; the inner margin straight from 

 base to outer line buff, very thinl}^ irrorated with brown; costal mar- 

 gin tinged with golden yellow, the extreme margin l)rown; a dark 

 brown spot at base of cell; a'thick brown and lilacine streak at end of 

 cell, preceded below subcostal l)y a smaller dark spot; a tine anteme- 

 dial violaceous line, curved below subcostal; between tlie lines, the 

 inner margin finely golden ochreous, and a grey shade al)ove it; the 

 outer line whitish outwardly edged with violaceous, starting from a 

 black spot at apex; slightly curved to A^ein 3, then oblique to near 

 middle of inner margin; bej^ond this line the wing is ochreous brown; 

 paler toward apex; submarginal dark shades on veins 4 to 7. Second- 

 aries pure white; the opaque spot dark brown. 



Expanse. — 4-1 mm. 



Hahitat. — Omai, Bi'itish Guiana. 



Type.—Q2ii. No. 8769, U.S.N.M. 



HEMICERAS FLAVA, new species. 



Palpi, head and tufts at base of antenna? light reddish brown. Col- 

 lar pale yellow, posteriori}" and thorax reddish brown; patagia shaded 

 with lilacine. A])domen dull greyish brown above, buff underneath. 

 Primaries with the outer margin, anal angle and inner margin rounded 

 as in II. rhiicosta Guenee, ])right yellow, shaded with reddish brown on 

 inner margin and beyond the outer line; lilacine irrorations between 

 cell and submedian; a straight inner line, from median to submedian, 

 dark brown, outwardly shaded with white; the outer line from a dark 

 shade at apex to submedian near inner line, dark brown inwardly 

 edged with white; below the submedian the two lines are reddish 

 brown and close together; a small reddish l)rown shade at end of cell, 

 preceded on subcostal by a black point. Secondaries whitish; the 

 inner margin, opaque spot, and outer margin narrowly, light reddish 

 brown. 



Expanse. — 47 mm. ■ 



Habitat. — Omai, British Guiana. 



Type.—C2^t. No. 8770, U.S.N.M. 



HEMICERAS MARONITA, new species. 



Head l)rown. White tufts at base of antenna?. Collar light viola- 

 ceous brown. Thorax greyish ])uft'. Abdomen light reddish brown 

 above, whitish underneath. Primaries buff', thinly irrorated with 

 ])rown; lines tine, reddish brown, edged with dark grey toward medial 



