NO. 1420. NE W so UTH AMERICAN MOTHS— SCHA US. 241 



of cell and a small white spot on discocellular posteriorly; submar^inal 

 dark steel grey blotches above vein 6, between 5 and 4 and above sub- 

 median; a marginal row of dark spots; a white spot at apex. Second- 

 aries dirty white; the outer margin broadly black-brown; the fringe 

 luteous. Distinguished from allied species by the narrow fore wings 

 and whitish hind wings in the male. 



Expanse. — 32 mm. 



JIahitat. — Maroni River, French Guiana. 



Type.—Q'eii. No. 8659, U.S.N.M. 



TACHUDA DISCRETA, new species. 



Head and collar varying from buff to dark brown. Thorax and 

 abdomen dark gre^^ish brown. Primaries greyish brown, thinly irro- 

 rated with black; traces of geminate subbasal and medial lines on 

 margins, sometimes continuous; a geminate dark transverse streak at 

 end of cell spotted with white anteriorly and posteriorly; a postmedial 

 row of black points on veins followed by a dark l)rown line; this is 

 followed by two dark brown shades from costa to inner angle, some- 

 times obsolete below vein 3; submarginal black spots sometimes 

 coalescent, and preceded b}' a vague lilacine shade; marginal black 

 points, partly shaded with buff, especially at apex; in two females 

 there is a large greyish space in middle of inner margin. Secondaries 

 dark brown in both sexes, the fringe pale. 



Expanse. — Male, 33 mm.; female, 42 mm. 



Hahitat. — The Guianas, Brazil, Trinidad, British West Indies. 



Allied to Tachvda alhosl(jni(( Druce, but easily distinguished by the 

 postmedial markings. 



7>^>tf.— Cat. No. 8060, U.S.N.M. 



Genus EUMASCHANE, new genus. 



Antennae pectinated to tips. Palpi with second joint very long, and 

 dilated terminally; third joint minute. Primaries: costal margin 

 straight; apex acute; outer margin slightly incurved from apex to 

 vein 4, then very oblique and deeply lobed on inner margin; veins 2, 

 3, 4 well apart; 5 from above middle of discocellular; 6 from upper 

 angle of cell; accessory cell long; 7, 8, 10 from its end. Secondaries: 

 veins 2, 3, 4 well apart; 5 present; 6 and 7 stalked; 8 diverging 

 from 7 at middle of cell. 



EUMASCHANE LAURA, new species. 



Palpi bufl', dark brown above. Frons white. Vertex, collar, and 

 thorax fawn brown; the patagia outwardly edged with white. Abdo- 

 men light brown above, white underneath. Primaries silvery lilacine 

 grey; a few black irrorations on costa and inner margin; some black 

 strise on outer margin; a whitish oval line, inclosing outer half of cell 

 Proc. N, M. vol. xxix— 05 16 



