44 PROCEEDINOS OF THE NATIONAL MUSEUM. vol.42. 



Genus STAPHYLUS Godnian and Salvin. 



STAPHYLUS LITUS, new species. 



Black; the wings with a faint bronzy reflection, without markings. 

 Head and collar with some cupreous scales. Beneath black with 

 slight greenish reflection; palpi below, pectus and a double ventral 

 line on abdomen white; a few white scales in the fringe at apex of 

 fore wing. Scales in the costal fold yellowish. Expanse, 25 mm. 



Type.— One male, No. 14275, U.S.N.M., Sierra de Guerrero, Mexico, 

 June, 1911 (R. MiiUer). 



Genus BUTLERIA Kirby. 



BUTLERIA ^A, new species. 



Black above; fore wing with a minute white speck in tHe cell, an 

 elongate one below, two beyond subcostaUy and an outer curved row 

 of four, none above vein 4; hind wing with a mesial row of small 

 specks, one below vein 2 distinct. Beneath a little powdered with 

 brassy; white spots larger and more distinct; on the fore wings as 

 above; on the hind wings a spot in ceU; a mesial row of four, the 

 upper two elongate and slanting in opposite directions; an outer row 

 of six, the one near anal angle moved inward. Expanse, 19 mm. 



Cotypes. — Two males, No. 14276, U.S.N.M., Sierra de Guerrero, 

 Mexico, June, 1911 (R. MiiUer); Oaxaca, Mexico (W. Schaus). 



Family PAPILIONID^E. 

 Genus BARONIA Salvin. 



BARONIA BREVICORNIS Salvin. 



Besides the form of the female resembling the male, and wliich is 

 figured in the "Biologia Centrali- Americana " there are before me 

 two very dissimilar dimorphic forms, which seem worthy of 

 description. 



Dimorphic fonn EUSEMNA^ new. 



Wings fulvous above, the veins Imed with black; fore wmg with 

 the costa black, a broken bar across the cell to vein 3 and one at end 

 of cell; apex and outer margin black; three yellow elliptical spots m 

 the interspaces beyond the cell, one below the costa, three in a line 

 below vem 8, and four submarginal, below vein 7. Hind wing with 

 the veins beyond the ceU black-lined; a spot between veins 6 and 7; 

 outer margin broadly black with submarginal fulvous spots between 

 the veins. Beneath the fore wing is fulvous on the inner area, the 

 sUvery white markings on both wings being as in the typical form. 



Type.— One female. No. 14280, U.S.N.M., Sierra de Guerrero, 

 Mexico, June, 1911 (R. Muller). 



