212 PROCEEDINGS OF THE NJLTIONAL MUSEUM. vol.47. 



Type. — Female, No. 15923, U.S.N.M.; selected from a series of nine; 

 La Chorrera, May, 1912 (Busck). Others from Taboga Island, Feb- 

 ruary, 1912 (Busck); Porto Bello, April, 1912 (Busck); Corozal, 

 Canal Zone, April, 1911 (Busck) ; Trinidad River, June, 1912 (Busck). 



PLYNTERIA MELANOPASA, new species. 



Short and broad winged; black, scarcely irrorate, but enough so to 

 show the lines faintly darker, rather broad; inner curved, outer 

 excurved over cell; subtermined indicated by pale scales; costa with 

 pale dots; discal spot faintly yellowish, oblique. Hind wing with 

 dark discal dot and outer line, very faint. Expanse, 13 mm. 



Type. — Male, No. 15924, U.S.N.M.; selected from a series of nine; 

 La Chorrera, May, 1912 (Busck); others from Taboga Island, Feb- 

 ruary, 1912 (Busck); Corozal, Canal Zone, March, 1911 (Busck). 



PLYNTERIA IRRESPONDENS, new species. 



Dark brown, not black; costa touched with an ocherous tint to 

 beyond the outer Ime, dotted thence to apex; lines obscure, dark, 

 coarsely and slightly waved; discal marks reduced nearly to oblitera- 

 tion, a few white scales in reniform; a terminal dark line interrupted 

 by ocher points at ends of veins. Hind wing with discal dot, obscure 

 but marked by a few white scales; mesial line dark, angular. 

 Expanse, 16 mm. 



Type. — Male, No. 15925, U.S.N.M.; selected from a series of sLx; 

 all males; Trinidad River, March, 1912 (Busck). One other from 

 Corozal, Canal Zone, June, 1912 (Busck). 



Ostha nomion Schaus resembles this, but is browner, narrower 

 wmged, and without the costal pale shading. 



PLYNTERIA MAISES, new species. 



Smooth dark browni; a broad bright ocher band on costa to beyond 

 cell, where it widens; lines lost; a group of yellow scales for discal 

 spot on hhid wing. Palpi, vertex and anterior part of thorax mixed 

 with yellow scales. Beneath, costa of fore wing washed with yellow; 

 hind wing yellow, irrorated with brown; a broad terminal brown 

 band. Expanse, 15 mm. 



Type.—^o. 15926, U.S.N.M.; Porto Bello, February, 1911 (Busck). 



The specimen is badly broken, but the markmgs visible. 



PLYNTERIA CONTENTA, new species. 



Bronzy brown, like florens Schaus. Discal mark dark, obscure; 

 lines obliterated, visible only in oblique light; outer of fore wing 

 blackish, denticulate, scarcely excurved, without white edgings. 

 Line of hind wing bent at right angles in the middle; no termmal 

 dots. Expanse, 15 mm. 



Type.— Fem&le No. 15927, U.S.N.M.; Trinidad River, June, 1912 

 (Busck). 



Nearest to Jlorens; smaller and without any white scales. 



