Ileterocera from Costa Rica. 213 



^vbitish grey. Abdomen greyish bro\Yn. Fore wings pale 

 lilacine brown ; an oblique whitish-grey line from costa 

 subbasally, inbent from just above submedian and straight on 

 inner margin, then shaded outwardly by a tine dark brown 

 line ; a large medial chocolate-brown space to beyond cell, 

 its outer edge slightly oblique on costa, incurved from vein 5, 

 and not touching submedian ; a fine line from its lower edge 

 reaches middle of inner margin ; a fine brownish postmedial 

 line outcurved and slightly wavy ; subterminal fuscous spots, 

 edged with white outwardly, chiefly near costa ; veins 

 terminally with dark strenks ; a terminal narrow dark brown 

 shade; the costa medially rather lighter than dark medial 

 space. Hind wings white; the margins broadly fuscous 

 brown ; a terminal dark brown shade near anal angle. Fore 

 wings below fuscous; a subterminal white point below costa. 

 Hind wings below white, the outer margin broadly fuscous. 



Expanse 39 mm. 



Hab. (/artago. 



Ilypena frigida, sp. n. 



^ . Palpi, head, collar, thorax, and fore wing dark viola- 

 ceous brown, finely irrorated with lilacine grey, less so on 

 basal half of wing from below subcostal; an indistinct dark 

 antemedial line, partly shaded with brownish scales ; a 

 similar sinuous medial line ; an indistinct darker postmedial 

 curved shade ; subterminal dark spots, shaded with faint 

 lilacine grey and marked by a distinct white point below 

 costa. Hind wings white at base, the margins broadly 

 black, gradually sutlusing witii the white ; a black streak on 

 discocellular. Fore wings below black ; a subterminal white 

 spot above vein 7. Hind wings below with the white 

 extending to inner margin and nearer outer margin ; a black 

 discal point ; a black postmedial line, most distinct near costa. 



Expanse 37 mm. 



Hub. Volcano Poas and Turrialba. 



Hypena gaudialis, sp. n. 



? . Palpi, head, collar, and thorax lilacine brown, with 

 whilish-grey irrorations and transverse striae. Abdomen 

 grey-brown, thickly mottled with fine white irrorations. 

 Fore wings lilacine brown, fuscous brown on apical area ; a 

 large oblique medial space, chocolate-brown, its inner edge 

 oblique to submedian and finely edged with lilacine white, 

 then outbent to below submedian, its outer edge outcurved to 

 vein 4 at cell, then faintly incurved to costa, followed by a 



Ann. d; Mag. N. Hist. Ser. 8. Vol. ix. 15 



