298 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxix. 



Primaries with three l)rown lines; from base to seeoncl line lilacine 

 fawn, irro rated with brown; first line crossing discocellular, where it 

 is more strongly marked, inwardly oblique to inner margin at one- 

 fourth from base; second line nearly straight from beyond middle of 

 costa to middle of inner margin; outer half of wing dark lilacine grey; 

 the third line at three-fourths from base, inwardly shaded with whit- 

 ish; some whitish lunules on outer margin, outwardly shaded with dark 

 brown. Secondaries violaceous brown, palest at base, and a similar 

 postmedial shade. Underneath the primaries have the basal half pale 

 lilacine grey; a dark spot on discocellular; a postmedial brown line 

 followed by a broad lighter brown shade; the apex and outer margin 

 shaded with grey. Secondaries: the inner and outer margins grey; 

 the costa brown, the base greyish; a dark medial line followed by a 

 broad brown shade from vein 2 to costa. 



Expanse. — 34 mm. 



Habitat. — St. Jean, Maroni River, French Guiana. 



Type.—C2Lt. No. 8801, U.S.N.M. 



Genus TAMPHANA Schaus. 

 TAMPHANA PR^ECIPUA, new species. 



Head and thorax violaceous brown. Abdomen reddish brown. 

 Primaries brown, darkest at base, and shaded with lilacine below cell 

 and vein 4; a buff spot on costa before middle, followed by a dark line, 

 angled at end of cell, inwardly oblique to inner margin at one-third 

 from base, and followed by a reddish brown parallel line; a postmedial 

 curved, finely dentate, reddish brown line, followed below vein 7 by 

 a blackish lunular line; some buff on costa before apex, shaded below 

 with reddish brown. Secondaries reddish brown. Underneath pale 

 buff, with tine brown lines; a postmedial and subterminal line on pri- 

 maries; a medial and a postmedial line on secondaries. 



Expanse. — 26 mm. 



Habitat. — St. Jean, Maroni River, French Guiana. 



Type.— Q^ii. No. 8802, U.S.N.M. 



Genus COLLA Walker. 

 COLLA GAUDIALIS, new species. 



Head and thorax white. Abdomen lilacine brown above, white 

 below; anal hairs brown. Primaries: basal two-thirds brownish white; 

 the costal margin olivaceous, extending into cell antemedially, inter- 

 rupted medially by a buff shade, also buff at apex; a silvery white 

 streak on discocellular; a faint ochreous medial shade on inner mar- 

 gin; ochreous shades on veins beyond cell; a silvery white line from 

 costa at three-fourths from base curved to vein 4, and preceded by a 

 broad greyish shade and silver}' points on veins, also preceded by grey 



