Heterocera from Costa Rica. 235 



with black and wliitish. Wings below brownish buff, the 

 lines very indistinct ; a large black spot with white point at 

 end of cell on fore wings; cilia lilacine rose mottled with 

 black. 



Expanse 32 mm. 



IJab. Sixola, Esperanza. 



Betousa sfellata, sp. n. 



? . Body above greyish brown ; abdomen irrorated with 

 grey, dorsally shaded with black; abdomen below with a 

 ventral black shade, divided by a brownish-grey line. 

 Wings brown tinged with grey, streaked and spotted with 

 greyish white. Fore wings : basal third with streaks broken 

 into spots by veins, mottled and edged with darker brown ; 

 medial, postmedial, and snbterminal spots edged with darker 

 brown, and containing dark points, with diverging lines 

 cutting each spot into five or six divisions ; these spots all 

 become smaller and less distinct towards costa ; the ])0st- 

 medial spots are incurved below cell and almost suffuse with 

 medial spots ; the subterminal spots are partly followed by 

 some very small spots ; small marginal spots less distinctly 

 subdivided. Hind wings : the spots are smaller, whiter on 

 inner margin, and only the postmedial and subterminal show 

 dark centres. Wings below greyer, with the spots similar 

 but less distinct. 



Expanse 41 mm. 



Uab. Sixola. 



The wings are broad, the outer margins rounded. 



Rhodoneura changuinola , sp. n. 



cj . Palpi and frons brown. Vertex and thorax dark grey. 

 Abdomen pale brown. Fore wings pale brown, the hind 

 wings greyish brown, the lines and stride fuscous brown. 

 Fore wings : large medial, postmedial, and a smaller sub- 

 terminal wiiite shade on costa; inner margin faintly shaded 

 with grey ; basal line slightly outcurved ; antemedial more 

 outcurved, sinuous on inner margin; medial oblique, out- 

 curved above submedian ; postmedial from white costal shade 

 obliquely outcurved to inner margin near tornus ; a sub- 

 terminal heavier line from costa to termen at vein -i ; some 

 irregular stride except on basal third. Hind wings : a straight 

 basal line ; antemedial somewhat angled ; a faint medial 

 line and small dark spot on discocellular ; postmedial and 

 subterminal lines distinct, and a fainter line between them ; 

 some marginal strife. Wings below paler, the lines as above. 



16* 



