Jhterocerafroin Costa Rica. 291 



streak on costa towards base aiul two short streaks in cell 

 below it ; a white line on discocellular, edged with |)ale 

 brown ; outer line fuscous, broad, and slightly oblique in- 

 wardly from costa to vein 4, finer and outcurved betweeti 

 4 and 2, then slightly inbent to inner margin; the marginal 

 space shaded with light brown, exce))t on costa at apex. 

 Hind wings : a brownish shade on discocellular, followed by 

 some dark points ; a subteriniual fuscous line, more heavily 

 marked on costa and inner margin, otherwise indistinct and 

 outcurved between 4 and 2 ; termen more heavily scaled, 

 silvery white. 



Expanse 21 mm. 



llah. Poas. 



Desmia cristincc, sp. n. 



($ . Antennte ciliated. Palpi black-brown, fringed below 

 with silvery white. Head black. Collar fuscous, shaded 

 with copper-colour. Thorax above and abdomen bright 

 copper-colour ; thorax below and terminal segments of abdo- 

 men black-brown ; throat and fore femora silvery white. 

 Wings dark bronze. Fore wings : costa tinged with viola- 

 ceous ; a copper-coloured patch at base, not extending on 

 costal margin ; a medial semihyaline white fascia from sub- 

 costal to near submedian ; a similar narrower streak from 

 vein 8 to vein 3. Hind wings : a medial narrow fascia, 

 narrowing and terminating before inner margin ; cilia 

 fuscous, with a fine greyish line at base and tipped with 

 white. 



Expanse 21 mm. 



Hah. Juan Vinas. 



Named after Mrs. M, C. Keith. 



Desmia grandisalis, sp. n. 



? . Palpi, head, and thorax fuscous ; throat silvery white. 

 Abdomen fuscous grey above, white underneath. Wings 

 black-brown, markings opalescent white. Fore wings : a 

 broad outbent fascia near middle from subcostal to sub- 

 median fold; a large oblique spot beyond cell from vein 8 to 

 near vein 3, its outer edge straight, its inner edge rounded ; 

 cilia tipped with white near tornus. Hind wings : a large 

 discal patch not reaching base, costa, or inner margin, the 

 upper edge interrupted by a small black spot towards base, 

 the outer edge straight to vein 5, then angled and straight 

 towards inner margin ; cilia tipped with white. 



Expanse 36 mm. 



Hab. Cachi. 



