Heterocera from Cosfa Rica. 43 



light brown, outwardly edged with reddish brown, inwardly 

 oblique on costa, then nearly straight to inner margin ; spots 

 indistinct, indicated by pale lines ; the postmedial sliglitly 

 outcurved around cell, preceded by a vague fuscous shade, 

 light brown, inwardly edged with reddish brown ; a sub- 

 terminal straight pale line from costa near apex to tornus, 

 outwardly shaded with dark brown; a geminate pale mar- 

 ginal line from apex, angled between veins 5 and 6, leaving 

 a dark brown terminal spot between vein 5 and apex, and 

 small spots below vein 5. Hind wings dark broAvn, the 

 fringe paler. 



Expanse 23 mm. 



Uab. Juan Vinas, Guapiles. 



Chytonix elegans, sp. n. 



Head, collar, and thorax light green, the patagia mottled 

 with white. Abdomen whitish, irrorated posteriorly with 

 black. Fore wings pale green ; lines broad, white ; a curved 

 basal line, inwardly shaded with black scales below cell ; the 

 antemedial outcurved ; the postmedial twice slightly curved, 

 inwardly shaded with black scales, forming a spot on costa; 

 a black medial shade across costal margin ; a black oblique 

 shade below cell connecting the antemedial and postmedial 

 lines ; orbicular round, black, edged with buff ; reniform 

 space white, crossed by a black spot ; a white shade on costa 

 at apex; a fine, lunular, subterminal buff line, preceded by 

 reddish-brown shading and followed by fuscous-grey shades ; 

 large terminal black spots between the veins ; fringe oliva- 

 ceous, with paler streaks at veins. Hind wings whitish at 

 base, otiierwise fuscous ; a dark spot on discocellular ; fringe 

 olivaceous, with darker shadings. 



Expanse 19 mm. 



Hah. Juan Vinas. 



Monocles medioclara, sp. n. 

 Palpi outwardly brown, inwardly grey. Head grey 

 irrorated with brown. Collar dark brown on anterior half, 

 whitish grey behind. Thorax whitish grey, the patagia 

 dorsally fringed with black. Abdomen pale greyish brown. 

 Fore wings : the basal third obliquely to middle of inner 

 margin and the postmedial space broadly greyish brown ; the 

 medial space whitish grey ; a geminate curved brown basal 

 line, indistinct; the antemedial wavily oblique, geminate, 

 partly filled in with white ; orbicular round, grey, broadly 

 edged with white and beyond by a fine black line ; reniform 



