Heterocera from Costa Rica. 73 



tij3. Fore wings slight!}^ produced at apex and veins 4-5, 

 otherwise crenulate. Hind wings crenulate, slightly pro- 

 duced at vein 4. Head, collar, and thorax brown. Abdomen 

 fuscous brown above. Legs with long grey liairs ; tarsi 

 brown, inwardly paler. Fore wings dull brown, shaded with 

 blackish grey on outer margin ; the basal line black, out- 

 wardly edged with white ; the antemedial lunular black, 

 inwardly edged with white ; the orbicular round, black 

 circled with white; a dentate lilacine brown shade medially 

 from cell to inner margin, preceded and followed by darker 

 brown ; the reniform large outlined with white, filled in with 

 light and dark brown ; a blackish dentate line from below 

 reniform to inner margin, slightly edged with white; the 

 postmedial wavy and nearly straight to inner margin, followed 

 by white atid lilacine shades on costa to near apex ; a diffuse 

 dark subterminal shade and marginal black points. Hind 

 wings : the postmedial space below cell lighter brown ; the 

 black antemedial line followed by a light brown shade; the 

 medial black, geminate on costa, coalescing below cell to 

 inner margin ; the subterminal geminate, the outer part very 

 broad from vein 5 to inner margin ; the outer margin blackish 

 from vein 4 to anal angle. Underneath dark grey, iiTorated 

 with white and with oblique darker shades and wavy lines ; 

 the postmedial outwardly shaded with white j the fore wings 

 have the basal half above fold nearly white with a ^qw dark 

 irrorations ; the costal margin beyond postmedial and above 

 vein 6 thickly irrorated with white. 



Expanse 42 mm. 



Hah. Tuis. 



Focilla terraha, sp. n. 



Body and wings lilacine brown. Fore wings : outer 

 margin deeply incurved between apex and vein 4, then 

 oblique and faintly crenulate ; a faint black basal line; ante- 

 medial fine, black, consisting of clusters of scales inset iu 

 cell ; a small black spot as orbicular ; a wavy, geminate, 

 black medial line ; reniform large, indistinct, partly outlined 

 with white ; postmedial very fine, black, wavy, outcurved to 

 vein 3, then inset below renifoim ; outer margin below vein 7 

 shaded with grey ; an oblique black streak from vein 6 

 tapering to vein 3 ; a short streak above it from 7-5 ; from 

 vein 3 to tornus the margin terminally blackish, on which 

 the marginal points are yellow; above vein 3 the marginal 

 points are white shaded with black. Hind wings ])roduced 

 at veins 7 and 4, also crenulate; a straight roseate line from 

 apex to anal angle, preceded by a broad black shade, and 



