672 Mr. W. Schaus on 



Argyraciis amethystina, sp. n. 



? . Head, collar, and tliorax white, the collar outwardly 

 fuscous grey. Abdomen dorsally white at base and on 

 seventh and eighth segments, otherwise shaded with fuscous 

 grey. Fore wings white ; costa on basal third and ante- 

 medial shade broad and inbent on inner margin, olive-brow^i, 

 the latter closely followed by an inbent medial line from 

 costa to submedian ; costa medially buff, shaded with brown ; 

 reniform outlined by a geminate olive-brown line, sometimes 

 meeting behind ; an outbent similar postmedial shade from 

 costa to vein 8, followed by a broad white shade ; a sub- 

 terminal silvery-white line, faintly edged with dark grey 

 and preceded by a brown and yellowish shade; termen 

 yellow ; outer space from below cell before discocellular to 

 inner margin yellow, with a terminal horizontal silvery 

 streak below fold. Hind wings white ; a broad antemedial 

 grey-brown space, expanding on inner margin towards angle 

 and crossed by a whitish streak just below cell; a medial 

 yellow spot above vein 2, the white following it opalescent ; 

 outer portion of wing above vein 2 yellow, its inner edge 

 vertical ; a terminal black space, on wiiich are annular metallic 

 lines, preceded by a narrow white space, crossed by a brown 

 line between veins 6 and 7. 



Expanse, $ 12, ? 17 mm. 



Hah. Esperanza, Guapiles, Carillo. 



Argyraciis nitens^ sp. n. 



? . Body white; subdorsal brown spots on second segment 

 of abdomen. Wings silky white. Fore wings : a fuscous- 

 brown spot on costa and one on inner margin near base ; an 

 oblique brownish antemedial shade on inner margin and faint 

 trace of similar shade on costa ; a medial fuscous-brown spot 

 on costa and fine vertical medial brownish line, slightly 

 inbent on inner margin ; two short oblique brown lines at 

 discocellular, from inner one a fine brown line incurved, 

 then outwardly oblique, and downcurved on inner margin; 

 a postmedial brown line outbent from costa to vein 4, where 

 it is slightly hooked ; a subterminal brown shade, wide on 

 costa, narrowing to vein 2, then inbent along it and ex- 

 panding; below it and vein 2 an orange line upturned along 

 termen and not quite reaching apex, inwardly edged along 

 termen by a fine fuscous line ; a marginal dark grey streak 

 along submedian fold to tornus, and below it a yellow spot 

 on inner margin ; cilia grey, tinged with fuscous at base and 



