18 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. r.l. 



Type.— Female, No. 19263, U.S.N.M.; Tehuacan, Mexico, Sep- 

 tember, 1913 (R. Miiller). 



The forelegs are missing in the specimen, so that the generic 

 reference is tentative. 



Genus ARAEOPTERA Hampson. 



ARAEOPTERA VILHELMINA, new species. 



Both wmgs with two marginal excavations; white, fore wmg with 

 very faint, slender, mner, median and outer Uncs, shown by black 

 dots on costa; a black discal dot; subterminal shade blackish, broad, 

 interrupted subapically and at vem 5; a row of black dots on costa 

 toward apex; a termmal black line in the margmal excavations. 

 Hind wing with similar markmgs, but much reduced; small discal 

 dot, famt half line on inner margin, subterminal brown shade and 

 short black Ime next anal angle. Expanse, 11 mm. 



Type.— Female, No. 19264, U.S.N.M.; Teapa, Tabasco, Mexico, 

 February, 1914 (R. Miiller). 



Genus COBUBATHA Walker. 



COBUBATHA IPILLA, new species. 



Smooth gray; median band broad, dark brown, edged with a white 

 luie; inner line erect, outer a little oblique above and angled slightly 

 on submedian fold; a gray shade beyond outer Ime; discal dot small, 

 black, just beyond the outer line; subterminal Ime blackish, irregu- 

 larly wavy, indentate subcostally and discaUy and angled on sub- 

 median fold. Hind wing pale fuscous. Expanse, 16 mm. 



Type. — Female, No. 19265, U.S.N.M.; Cuernavaca, Mexico, May, 

 1914 (R. Muller). 



Near C. Tiippotes Druce, but with a distinct subterminal line. 



COBUBATHA MUNNA. new species. 



Fore whig with the basal half whitish gray, outer half silver gray; 

 in the light basal part three gray shades start on the costa, and there 

 is a brown band from inner margin to median vein, close to and par- 

 allel with the black line limiting the basal pale area; this line slender, 

 black, dislocated where it crosses the position of the obsolete orbicular, 

 angled on submedian and oblique below; in the dark outer part a 

 slender, black outer Hne is strongly produced over cell, inclosing 

 traces of the reniform; subterminal hne faint, dark, waved, with a 

 dark shade and black patches next costa. Hind wing pale, darker on 

 margin. Expanse, 15 mm. 



Type.— Male, No. 19266, U.S.N.M.; Teapa, Tabasco, Mexico, 

 March, 1914 (R. MuUer). 



Close to C. damozela Dyar. 



