NO. 2182. REVISION OF Tllli SUBFAMILY HYPFNWAESCHAUS. 327 



black line inwardly edged with buff; a very fine antemedial line, 

 outangled in cell; a fuscous basal line on subcostal; a small fuscous 

 spot medially on costa; reniform large yellow brown. Hind wings 

 dull fuscous brown; costa narrowly white; a postmedial buff line 

 from vein 3 downbent to termen below vein 2, then inbent to anal 

 angle, preceded by a buff shade, crossed by dark striae on vein 2; 

 some brown and buff mottlings above angle; a subterminal line, 

 indistinct on costal half, better marked from vein 5 to termen at 

 vein 2; terminal line as on fore wing, the buff preceding it broader. 

 Fore wings below greyish, the costa and termen shaded with yellow 

 buff; a dark discal point; a postmedial line well marked from costa 

 to vein 5, then indistinct; subterminal pale buff. Hind wings below 

 buff white irrorated with brown; a small streak in cell, and spot on 

 discocellular; postmedial lino fine, wavy; termen dark shaded; a 

 subterminal lumular jjuff line from costa to termen at vein 2. 



Expanse. — 30 mm. 



Habitat. — Rockstone, British Guiana. 



Type.— Cat. No. 19767, U.S.N.M. 



MASTIXIS CASTRONALIS, new species. 



Male. — Body and wings pale brown. Abdomen witli dark seg- 

 mental lines. Fore wings : A basnl angled l^lack line ; antemedial pale, 

 outangled close below cell, outwardly edged with black brown, 

 broadly on costa, and suffusing in cell with small bright brown orbic- 

 ular spot; an incurved dark line on discocellular, followed by a bright 

 brown spot; an inbent fuscous shade below reniform to inner margin; 

 postmedial almost vertical, straight, white, inwardly edged with 

 black; an obliquely outbent subterminal line on costa, inwardly 

 broadly shaded v/ith black; traces of subterminal fuscous spots. 

 Hind wings: Costa ])roadly white to near apex; inner area tinged 

 with gray; a whitish lino from middle of wing down-bent to anal 

 angle; a subterminal dentate white line, both lines inwardly darker 

 edged; a terminal interrupted black line on both wings; ciha gray 

 with a yellowish basal line. 



Expanse. — 20 mm. 



Habitat. — Castro, Parana. 



Type.~Q-d.t. No. 19768, U.S.N.M. 



MASTIXIS AENEAS, new species. 



Male. — Palpi dull grayish brown. Head, collar, thorax, and fore 

 wings brown. Abdomen fuscous. Fore wings: A fine indistinct, 

 fuscous antemedial and medial line; orbicular and reniform orange 

 brown, the former small, edged with black, the latter incurved, 

 inwardly edged with black; postmedial yellowish, vertical, finely 

 edged with fuscous; terminal space tinged with gray; an irregular sub- 

 terminal black line; an interrupted terminal black line. Hind wings 



