120 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxx. 



lines; outer line roundedl}^ crenulate, whitish, single; a submarginal 

 faint pale line; secondaries a little light powdered; discal dot with a 

 white line within and a large round white patch without; outer line 

 crenulate, pale; a submarginal paler line above a series of white cusps 

 near margin, the one nearest apex large, obsolete toward anal angle; 

 fringe with a 3'ellowish line at base. 



Expanse. — 41 nmi. 



Ilahitat. — St. Laurent, French Guiana. 



Type.—(^2Li. No. 9572, U.S.N.M. 



COENIPETA ALBIDENTINA, new species. 



Primaries pointed; secondaries without marginal excavation; dark 

 purplish brown, overwashed w'ith violaceous; lines of the ground 

 color, scarcely contrasted, coarsely crenulate, the transverse posterior 

 cutting a large white patch resting on costa and reaching to middle of 

 reniform; subterminal line pale crenulate edged, containing dark 

 lunules of the ground color; a row of illy delined dark lunules near 

 the margin. Hind wings brownish black, the outer line faint, dentate, 

 pale, visible centrally, then narrower and slightly dislocated toward 

 anal angle; fringe with a white apical and subapical spot. Below 

 greyish, shading to black at apex of fore wings and outer margin of 

 hind wings; white costo-discal spot of fore wings repeated, solid, 

 elongated; hind wings with double dark discal arc and two mesial lines, 

 the fringe of both wings irregularl}^ spotted with white. 



Expanse. — 40 mm. 



Ilahitai. — Castro, Parana, Brazil. 



Type.~C2Lt. No. 9.573, U.S.N.M. 



Genus TYRISSA Walker. 

 TYRISSA CAROLA, new species. 



Entirely dark umber brown, densely shaded with l)lack: a series of 

 very numerous tine black lines alternating with umber brown cross 

 both wings, l)eginning on costa of fore wings and curving parallel to 

 the lower part of the outer margin, continued directly over the hind 

 wings; a hemispherical area resting on costa of fore wings close to 

 apex is umber brown, traversed by a double subcostal ])lack lino; 

 fringes crenulate, a black line at base and a dark line at base and tip of 

 fringe. Below smoky brown, the lines repeated l)ut more evenly 

 curved and crenulate, a broad sul)marginal spaic uniformly brown, 

 devoid of lines. 



Eipa/i.oe. — 34 mm. 



ILiJuitit. — Rio Janeiro, Brazil. 



Type.—C^Lt. No. 9574, U.S.N.M. 



