Ilelerocera from Costa Rica. 257 



broad antemedial dark brown fascia, narrowest on inner 

 margin, its inner edge sliglitly outbeut, its outer edge limited 

 by a pale line outwardly tinely shaded with fuscous, some- 

 what inbent below cell ; postmedial line slightly outcurved 

 beyond cell, incurved trora vein 4 to iimer margin, pale- 

 coloured, almost white on costa, defined by narrow fuscous 

 shading, and punctiform on veins 2-4 ; a subterminal dark 

 shade crossed by dark streaks on veins and suffusing with 

 the darker terminal space. Hind wings dark greyish brown ; 

 a subterminal j)ale line on a darker shade below vein 2. 

 Wings below reddish brown ; an irregular postmedial 

 whitish line partly edged with fuscous shadings. 



Expanse 24 mm. 



llab. Tuis, Juan Vinas. 



Lepidomys viridans^ sp. n. 



? . Palpi olive-grey. Head and body pale yellowish 

 green. Fore wings: base and termen pale yellowish green ; 

 intermediate space dark green, edged by white lines, the 

 inner line medial on costa, inbent to iimer margin towards 

 base, outer line angled below costa near apex, inbent to 

 middle of iinier margin ; apex dark yellow-green. Hind 

 wings whitish grey, darker terminally. Wings below 

 showing indistinctly the markings of upper side. 



Expanse 20 mm. 



Hah. Sixola. 



Arta incurvalis, sp.'u. 



? . Head, collar, and thorax pale greyish brown shaded 

 with red. Abdomen greyish brown. Fore wings roseate 

 brown irrorated with red ; lines dull yellowish, the medial 

 slightly incurved, the postmedial vertical ; termen shaded 

 with grey ; a terminal interrupted fuscous line ; cilia 

 yellowish white. Hind wings greyish. 



Expanse 21 mm. 



Hah. Juan Vinas. 



Sarcistis rufescens, sp. n. 



? . Palpi, head, collar, and thorax brownish grey. Abdo- 

 men thickly irrorated with dull dark brown ; pale segmental 

 lines. Fore wings brownish red, the termen greyish, irro- 

 rated with dark red ; the two lines fine, dark red, almost 

 vertical and parallel ; the costa finely yellowish ; cilia dark 

 red at base, luteous terminally. Hind wings fuscous grey ; 



