NO, 2050. LEPIDOPTERA OF THE P.liYAJ/A CA.VAL ZONE—DYAR. 213 



PLYNTERIA DILMIS, new species. 



Wings trigonate, normal. Dark brown, lines pale, oclierous 

 tinted; inner nearly straight; outer coarsely wavy and excurved 

 somewhat over cell. Stigmata dark, the orbicular with a white 

 point, reniform with two, of wliich the upper is minute; very minute 

 ocher terminal dots. Hind wing similar; no discal dot, the mesial 

 line pale, curved. Expanse, 16 mm. 



Type.— FemaXe, No. 15928, U.S.N.M.; Cabima, May, 1911 (Busck). 



PLYNTEIOA EXTIRPENS, new species. 



Somewhat round-winged like irrespondens or Jlorens. Brown-gray 

 with a violaceous cast; markings reduced, but the terminal dots of 

 both wmgs dark and heavy, narrowly cut by pale at the veins. 

 Discal marks dark, somewhat lunate; outer line of fore wing running 

 close m, narrowly excurved over discal mark; of hind wing similar. 

 Nothing visible in termmal field. Expanse, 14 mm. 



Type.— Female, No. 15929, U.S.N.M.; Trinidad River, June, 1912 

 (Busck). 



PLYNTERIA CORYPHATA, new species. 



Similar to contriponens, but the wings more pointed at apex, the 

 discal dots mconspicuous ; lines slender, blackish, the subterminal 

 less distinct than m centriponens; orbicular a black dot; reniform on 

 both wings dusky, marked by white scales. Expanse, 14 mm. 



Type. — Male, No. 15930, TJ.S.N.M.; selected from a series of four; 

 La Chorrera, May, 1912 (Busck). Others from Trmidad River, 

 March, 1912, and Taboga Island, February, 1912 (Busck). 



PLYNTERIA UNIFACTA, new species. 



Large, bronzy blackish, like costata, but less brown and without 

 the white subcostal line; lines dark as in costata, obscure. Hmd wing 

 with central line only shown; reniform with a few white scales; a pale 

 dash on costa opposite and tlu-ee before apex; minute white terminal 

 points as in costata. Expanse, 25 mm. 



7^2?^.— Female, No. 15931, U.S.N.M.; Trinidad River, March, 1912 

 (Busck). 



PLYNTERIA CONFORMENS, new species. 



Dark brown with olive-yellow tmt, especially through median area 

 of both wings. Lines distinct, black; inner curved, irregular; outer 

 denticulate, excurved over cell, followed by white specks in the 

 incisures; reniform large, black, centered by white scales; terminal 

 black Ime cut by pale dots. Hmd wing with discal dot and outer 

 line as on fore wmg, the discal dot small. Expanse, 18 mm. 



Type.— Female, No. 15932, U.S.N.M.; Trinidad River, March, 1912 

 (Busck). 



Quite distinct from any of the forms before me, though of the same 

 general type. 



