Heterocera from Costa Rica. 287 



curved to near inner margin postmedially, its fore edge 

 following- subcostal, and interrupted on vein 6 by a pro- 

 jecting brown shade, its outer edge parallel with outer 

 margin ; this space is edged with reddish brown, and is 

 followed from vein 2-7 by a narrower reddish-brown shade ; 

 an oblique brown line at base of costa ; an elongated yellow 

 spot edged with reddish below cell at base ; a brown, sinuous 

 antemodial line from cell to submedian below wliich it is 

 deeply inbent ; a subterminal fine dark purplish line from 

 costa, curved before apex, and slightly inbent below vein 3. 

 Hind wings : a subbasal yellow spot partly edged with 

 reddish ; a large semihyaline yellow space, angled towards 

 base, upturned towards costa, constricted postmedially, and 

 not expanding towards apex, edged with reddish brown ; a 

 reddish-brown postmedial line, and a yellow, reddish-edged 

 spot below vein 7 ; the subterminal purple line sinuous to 

 terraen at vein 6 ; termen shaded with reddish brown from 

 apex to vein 6 ; termen from 6-5 shaded with black. Wings 

 below yellowish white, simply showing the semihyaline 

 spaces. 



Expanse 40 mm. 



The female differs in having the terminal opaque space on 

 fore wnngs broader; the semihyaline space on hind wings 

 outbent towards middle of outer margin, and has five rounded 

 projections ; the subterminal line continues to inner margin, 

 and there is no black shading near anal angle. 



Expanse -42 mm. 



Hab. Sixola. 



Oospila peralta, sp. n. 



(^ . Palpi dark brown. Frons rubbed. Vertex green ; a 

 white line betw^een antennae. Body and wings deep green. 

 Abdomen : three suffusing oval tufts on segments 2-4 

 dorsally, dark brown irrorated with white and silver ; smaller 

 brown dorsal tufts on following segments. Wings : faint 

 traces of an outer and subterminal darker shade; terminal 

 white spots extending on cilia which are otherwise fuscous 

 brown tipped with white. Fore wings : costa finely yellow, 

 with a few brown irrorations ; a faint darker antemedial 

 shade; a black discal point. Hind wings: a small white 

 discal spot. Wings below greenish white ; the costa of fore 

 wing more broadly yellowish. 



Expanse 26 mm. 



Hab. Peralta. 



Near 0. restricta, Warr. 



