398 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.47. 



TIPPECOA, new genus. 



Fore wing with vein 2 from the cell, 3 to 5 stalked, 6 below apex of 

 cell, 7 and 8 stalked, 9 and 10 absent, 11 anastomosing with 12. 

 Hind wing with 2 from the cell, 3 and 5 stalked, 4 absent. Differs 

 from Xantippe in the loss of veins 9 and 10 of fore wing and 4 of hind 

 wing. 



Type of the genus. — Tippecoa infans, new species. 



TIPPECOA INFANS, new species. 



Fore wing reddish ocher, the lines dark, shading centrally, making 

 the median space appear darker than the rest of the wing, inner 

 straight, outer incurved on submedian fold; a faint terminal dark 

 line. Hind wing fuscous, fringe pale. Expanse, 11 mm. 



Type. No. 16457, U.S.N.M.; Teapa, Tabasco, Mexico, December, 



1912 (R. MuUer). 



CROMARCHA, new genus. 



Pali slender, porrect, curved toward each other at tips, extending 

 nearly twice the length of the head. Fore wing with vein 2 long 

 before the angle of the cell, 3-5 stalked, 6-9 stalked, 10 absent, 11 

 from the cell. Hind wing with 3 before the angle of the cell, 4-5 

 stalked, 6-7 stalked, 7 anastomosing Avith 8. 



Type of the genus. — Cromarcha polyhata, new species. 



CROMARCHA POLYBATA, new species. 



Fore mng carneous brown at base and along inner margin below 

 the submedian fold to outer hne; subbasal area gray with scattered 

 black scales, forming a wide wedge ending in a point above the mar- 

 gin near an angle thickly clothed with black scales; next a costal 

 white wedge ending at submedian fold ; discal area bright red-brown 

 inwardly, purple-brown outwardly; a red streak above submedian 

 fold and small purple reniform; outer line wliitish, double, wavy, 

 crossing the purple field; a subterminal white band, bent out below 

 vein 5, narrowing to tornus; terminal space purple, red-brown at 

 apex. Hind wing fuscous. Expanse, 20 mm. 



Type.— Male, No. 16516, U.S.N.M.; Tehuacan, Mexico, July, 1913 



(R. Mtiller). 



BALIDARCHA, new genus. 



Palpi slender, porrect, curved toward each other at tips, extending 

 nearly twice the length of the head. Fore wing with veins 2, 3 separ- 

 ate, 4-5 shortly stalked, 6-9 stalked, 6 shortly so, 10 absent, 11 from 

 the cell. Hind wing with 4-5 from a point, 6-7 stalked, 7 anastomos- 

 ing with 8 shortly. 



Type of the genus. — Balidarcha cuis, new species. 



