Ihterocerafrom Costa Rica. 251 



margin on basal half tiri;;e<l witli hrown ; lines fine, velvety 

 hhick, the medial slightly sinuous, ])recedetl by a narrow pale 

 sliade, the jiostinedial faintly inhent from below vein 5 to 

 inner margin, followed by a dark brown sliade, outbent on 

 eosta to apex ; a pale spot on discocellular ; a terminal black 

 line; cilia outwardly pale reddish brown, llind wings thinly 

 scaled, brownish grey, darkest along termen. 



Expanse 20 mm. 



Hob. Juan Vinas. 



CeracantJiia tecmessella, sp. n. 



? . Palpi, head, and collar light reddish brown. Thorax 

 grey shaded with brown. Fore wings: basal two-thirds 

 whitish grey, irrorated with black and brown ; an oblique 

 fuscous-brown shade at base; an antemedial oblique brown 

 shade on costa and cell, and a small fuscous shade on inner 

 margin ; two black S|)ot3 at end of cell, placed obliquely ; 

 terminal third purplish brown, the veins partly streaked with 

 black, interrupted by a fine whitish subterminal line; 

 terminal black spots. Hind wings thinly scaled, grey- 

 brown, the veins and termen darker. 



Ex|)anse 14 mm. 



flab. Avangarez. 



Nephopleryx ohstiteUa, sp. n. 



? . Palpi whitish grey irrorated with brown. Head, 

 collar, and thorax grey mottled with dull brown. Abdomen 

 dark grey-brown, with ])ale segmental lines ; a blue-black 

 shade dorsally on second segment. Fore wings white 

 irrorated with dark greyish brown ; antemedial line broad, 

 clear white, slightly oblique, edged with fuscous, its outer 

 edge incurved on inner margin and outbent ; discocellular 

 line brown irrorated with black ; a postmedial fuscous-brown 

 shade inbent to below cell, outbent on inner margin ; sub- 

 terminal line white, slightly inbent on costa, preceded by 

 short black streaks and outwardly edged by a dentate black 

 line, broadest on costa ; terminal semilunar fuscous spots, 

 cilia whitish grey. Hind wings semihyaline whitish ; a 

 narrow dark terminal shade. 



Expanse 22 mm. 



Hah. Poas. 



Nephopterijx setiesciella, sp. n. 



J' . Palpi outwardly fuscous grey. Head, collar, and 



17* 



