Thterocerafrom Costa Rica. 513 



Wings below dark greyish brown ; subterminal fuscous 

 shading; fine pale discal lines ; the two lines on hind wings 

 jnore distinct ; whitish buff shades on termeii at vein 5 ; 

 buff costal spots on fore wing beyond a medial black 

 spot. 



Expanse, (J 42 mm., ? 44 mm. 



Hub. La Florida, Sixola. 



Hemerahlemma stiva, sp. n. 



? . Palpi fuscous irrorated with yellowish and grey. 

 Htad dark brown irrorated with grey. Collar brown. 

 Thorax brownish buff. Abdomen fuscous. Fore wings : 

 anterior portion from inner margin before b ise to termen at 

 vein 5 buff irrorated with fuscous, the postmedial space palest ; 

 posterior portion of wing dark brown ; antemedial fine, 

 fuscous, inset in cell ; orbicular small, round, dark brown 

 mottled with buff and circled with clear buff; reniform 

 bluntly oval, outlined in fuscous; postmedial fine, dentate, 

 fuscous, followed by a similar shade on costa ; an outer fine 

 dentate line, slightly inbent at vein 4, thicker, vertical, and 

 almost straight to inner margin, outwardly edged on dark 

 space by a greyish-brown shade, and then followed by a 

 broad yellowish-buff line from vein 4 to inner margin ; a 

 subterminal fuscous spot above vein 7, followed by a very 

 faint dentate line, paler shaded and macular below vein 5 : 

 marginal black and white spots on interspaces ; a buff shade 

 at tornus. Hind wings dark brown, the lines fuscous; ante- 

 medial and medial lines wavy, coarse ; postmedial fine, 

 lunular dentate ; subterminal shade, followed by a paler 

 brown shade at apex ; a dentate lunular marginal line, out- 

 wardly shaded with bufE-brown. Wings below greyish 

 thickly irrorated with brown ; black discal points ; basal half 

 dark shaded. Fore wings : medial and postmedial lines 

 broad; outer line remote, iiner ; subterminal partly macular. 

 Hind wings : outer line broad and close to postmedial ; sub- 

 terminal coarse, continuous ; the marginal lines with white 

 shading in angles. 



Expanse 65 mm. 



IJab. Juan Vinas. 



Hypogramma auripennis, sp. n. 



S . Palpi streaked black and whitish. Head, collar, and 

 thorax black, mottled with white and greenish-white scales ■.; 

 patagia dull green. Abdomen to just beyond middle golden 

 yellow, with a. large fuscous basal tuft tipped with metaUlc 



