Tleterocera from Costa Rica. 77 



Focilla deterrimuj sp. n. 



Body and wings fuscous brown faintly glossed with bluo 

 and violaceous. Fore wings : the lines black, irregular, 

 almost imperceptible ; an antemedial. medial, and postmedial 

 line, the latter only sliglitly outcurved ; the subterminal only 

 vi-ible from vein 5 to tornus, consisting of four fine wavy 

 lines ; marginal black points ; the reniform consisting of a 

 dark annular line; fringe light brown tipped with white. 

 Hind wings : the antemedial and postmedial lines nearly 

 straight and broad ; the medial line finely wavy irrorated 

 with grey ; from angle at vein •I to anal angle the fringe is 

 black, above vein 4 as on fore wings. Wings below liglit 

 brown ; a black point in cell ; a medial and a postmedial 

 black line, the latter outwardly edged with white in places ; 

 a. subterminal dark shade on hind wings ; marginal black 

 points. 



Expanse 39 mm. 



Hab. Tnis. 



Focilla laloides, sp. n. 



Head, thorax, and wings dark brown tinged with purplish, 

 and thinly irrorated with white scales. Abdomen fuscous 

 brown above. Fore wings : the lines darker ; the antemedial 

 dentate and lunular, mottled with grey ; a medial line greyish 

 on costa only, slightly wavy followed by a fine paler shade ; 

 the postmedial fine dentate lunular, outcurved around cell, 

 followed by a broad bluish-grey shade irrorated with white 

 on costa ; a light brown subterminal shade, flecked with 

 white towards costa, broadly shaded with fuscous brown, 

 inwardly on costa and outwardly at tornus ; the outer margin 

 shaded with grey and thickly irrorated with white between 

 veins 3 and 5 ; a marginal row t)f black points ; reniform 

 large, round, grey ; fringe brown, tipped with white. Hind 

 wings darkest on outer margin; a dark meditil line; an 

 irregular postmedial line irrorated with grey below vein G 

 and followed by a broad bluish-grey shade. Underneath 

 light brown irrorated with dark brown j antemedial and post- 

 medial lines ; a geminate subterminal dark shade ; black 

 marginal points ; the costal margin of fore wings broadly 

 greyish. 



Expanse 41 mm. 



IJab. Tuis, Juan Vinas. 



The sexes absolutely similar. 



The species is allied to F. lola, Druce. 



