Ileterocera from Costa Rica, 585 



Fore wings: a fine, darker brown, antemedial, perpendicnlar 

 line, marked by sulphur-yellow spots on veins, tlie spot on 

 subniedian larger and extending to inner margin ; a round 

 dark greyisli discal spot containing a velvety-black point; a 

 very fine darker brown outer line also marked by sulphur- 

 yellow points, starting from a large yellowish-brown costal 

 spot, followed by a small cluster of black scales. Hind 

 wings: a minute black discal point; a finely lunular post- 

 medial line, outwardly shaded with sulpliur-yellow, more 

 marked on veins. Wings below brownish grey, irrorated 

 with black ; black discal points, traces of a fine fuscous outer 

 line, followed by a faint reddish-brown shade; the termen 

 narrowly shaded with white ; a subterminal dentate whitish 

 line on fore wings from costa to vein 5. 



Expanse 51 mm. 



Female : fore wings reddisli brown, shaded with violaceous 

 in cell and with violaceous and darker reddish-brown strias ; 

 antemedial line darker, shaded with grey and more out- 

 curved between veins, but with the same sulphur-yellow 

 spots; discal spot larger; the postmedial as in the male; the 

 costal spot more suffused with reddish brown ; a subterminal 

 fuscous dentate shade ; in both sexes the postmedial is 

 followed by a brighter shade. Hind wings reddish brown, 

 shaded with fuscous on basal half and with black striae; a 

 subterminal fuscous shade. Underneath absolutely similar to 

 the male. 



Expanse 49 mm. 



Hah. Turrialba, Juan Vinas, 



The female has a strong resemblance to M. zan'na, 

 Dogn. 



Microgom'a sLxola, sp. n. 



cJ. Palpi black, tipped with grey. Head and front of 

 collar black; collar otherwise, tliorax, and abdomen liglit 

 grey. AVings grey, with a few black irrorations. Fore 

 wings : antemedial brownish points on median and sub- 

 median ; a black discal point ; a postmedial darker grey 

 slightly lunular line, marked by fuscous points on veins, 

 which are followed by short whitish streaks ; a cluster of 

 black scales crosses the line at vein 3; a brown costal spot 

 before apex, mottled with lighter brown ; the termen narrowly 

 white; cilia olive-brown. Hind wings: the outer half 

 darker grey ; a black discal point ; tlie postmedial line, 

 termen, and cilia as on fore wings ; a subterminal dentate 

 dark grey shade near anal angle. Underneath grey, thinly 

 Ann. ct' Mag.N. Hist. Ser. 8. Vol. viii. 39 



