552 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxx. 



Genus PERO Herrich-Schaeffer. 

 PERO BINASATA, new species. 



J^oreinm/.—Grajiiih. olive in ba.sal and marginal areas, dark olive 

 shaded with brown in the median; basal patch on costa pale gray Avith 

 dark gra,y streaks; costal area of median space lilac-gray, with short 

 dark striae, the pale area running out as an oblique tooth along upper 

 half of discocellular; inner edge of fascia, as usual, incurved above 

 median and less prominently below; outer edge vertical from three- 

 fourths of costa, bent at right angles on vein 5 and forming a deep sinus 

 containing small lunules to vein 1 where it forms a second, more acutely 

 angled projection, it is edged with whitish, most clearly at costa and 

 preceded b}" a faint dark parallel line; marginal area with three pale 

 curved streaks; one from costa at edge of fascia to hind margin at end 

 of vein 3, bent on vein 6; a second, shorter, curved from fascia above 

 vein 2 to anal angle; the third wedge-shaped beyond the tooth on vein 

 1; black submarginal dots in paler spaces; traces of dark wedge-shaped 

 marks on veins 2, 3, and 4 beyond fascia; apical area brown tinged. 



IJinduu'm/. — Dull olive; pale along costa and tinged with fulvous 

 toward anal angle; a pale outer line, bluntly angled on the cell fold, 

 preceded by a deeper olive tint; inner marginal area with long fulvous 

 hairs; submarginal spots large, distinct. 



Under side smooth lilac-gray, with a slight pink flush, costal area of 

 forewing and whole of hind wing before outer line with black strife; 

 outer line whitish; cell spots large and black, that on forewing bent 

 and containing a tine angled mark on discocellular; marginal area olive- 

 green; with a fulvous apical patch beyond outer line on forewing and 

 at anal angle of hindwing; a whitish patch on forewing from anal angle 

 to vein 4 and along hind margin in hindwing. 



Head, thorax, and abdomen olive-gra}'; anal tuft olive-brown; beyond 

 a paler dorsal space. 



Exjyaiue of wimj^. — 35 mm. 



Locality. — Rockstone, Essequibo, British Guiana; 1 male, Septem- 

 ber, 1904. 



Forewing slightly toothed at apex and vein 0, hindwing without 

 teeth; antennte ciliated. 



Type.—ilvii. No. 9440, U.S.N.M. 



PERO DISJUNCTA, new species. 



Forewing. — Male olive-gray in basal and marginal areas, thickl}^ 

 cov^ered with olive-fuscous striations, which are darker and partially 

 suftused in the former; median area dull chestnut-brown Avith the 

 strife plainer along costa where the brown is paler; the lines dark 

 brown; first line from one-fourth of costa forms a rounded projection 

 above median, another verticallv below it and a third above inner 



