Htterocera from Costa Rica. 521 



not reacliing it, followed by a narrow buff shade divided by 

 a slate-colour line ; postmedial fine, dark brown, lunular, 

 outcurved beyond cell, and terminating at dark space below 

 vein 3 ; outer space narrowly fuscous brown, outwardly ex- 

 panding between veins 3 and 5, and outbent on vein 6, above 

 which there is only a dull greyish shade to apex, cut by a 

 buff line; a narrow bright brown shade and a dentate black 

 line follows the dark shade, though partly obsolete ; terraen 

 dull dark slate from tornus to vein 3, above vein 5 mottled 

 with buff. Hind wings : base narrowly whitish buff ; 

 medial space mottled brown and dark slate, narrow on costa, 

 wide on inner margin, containing some irregular black lines 

 and a broad black streak on discocellular, its outer edge 

 straight from costa to vein 5, then outcurved, followed by a 

 lilacine-buff shade crossed by a slate-grey line ; postmedial 

 space broadly brown, out\\ardly crossed by a faint buff line, 

 and limited by an indistinct blackish line ; termen dark 

 slate between veins 3 and 4 and from 5 to apex, otherwise 

 paler slate mottled with buff*. Wings below thickly 

 striated with dull brown ; discal spots whitish edged with 

 fuscous. 



Expanse 27 mm. 



Hab. Guapiles, SIxola, Esperanza. 



Near M. hermelina, Gn. = divers(i, Wlk., but differs in 

 postmedial line on fore wing, and different hind wing. 



Mnlelocha suhnigra, sp. n. 



S . Palpi fuscous, the third joint tipped with white, and 

 with white ring at base. Head, collar, and thorax fuscous 

 brown mottled with dark grey. Abdomen fuscous brown. 

 Fore wings brownish slate-colour ; base of costa and inner 

 margin fuscous brown edged with dull grey ; a fine dark 

 brown curved antemedial line, expanding on costa, where it 

 is preceded and followed by a whitish point ; a medial 

 fuscous-brown shade, faintly geminate and suffusing from 

 vein 3 to inner margin with tiie postmedial line, which is 

 slightly outcurved beyond cell, irregular, outwardly finely 

 edged with dull grey, and on costa with whitish ; reniform 

 large, outlined in dull grey, and enclosing a whitish curved 

 line on discocellular; the antemedial space on inner margin 

 to fold shaded with pale reddisli brown; an irregular and 

 broken subterminal line, buff-grey ; a faintly darker terminal 

 lunular line marked by dark points on interspaces. Hind 

 wings : base brownish irrorated with fuscous brown and 

 crossed by a dark antemedial line ; a broad fuscous-brown 



