322 PROCEEDIXGS OF THE NATIONAL MUSEUM. vol.47. 



dark veins and a light line in the base of the fringe. Expanse, male, 

 13 mm.; female, 15 mm. 



Cotypes.—lMe and female. No. 16335, U.S.N.M.; Porto Bello, 

 October, 1912 (G. F. Cleveland). Also four females from the same 

 place with additional data, April and May (Busck) and December, 

 1912 (G. F. Cleveland). 



Two males and two females are before me from French Guiana 

 (W. Schaus). 



ARNATTILA COLORATA, new species. 



Gray, stained with luteous before the inner and beyond the outer 

 lines; basal space dark gray without bordering line; a black dot in 

 cell; inner line at middle of wing, dark gray, bent outward below 

 median vein; outer line similar, excurved above middle and slightly 

 denticulate; a whitish mark on costa beyond it, formmg a faint border 

 below; terminal dots black. Hind wing soiled whitish, fuscous at 

 apex. Expanse, 16 mm. 



Typ^.— Female, No. 16336, U.S.N.M.; Trinidad River, March, 1912 

 (Busck). 



ARNATULA SUBFLAVTOA, new species. 



Fore wing olive gray; a white ray through the middle from base, 

 nearly touching the outer line; a similar white line on the iimer 

 margin; outer line curved, white, parallel to and near the outer 

 margin; a darker spot at end of cell and at base of inner margin. 

 Hind wing orange-yellow with narrow gray border. Expanse, 17 mm. 



Type.—Msile, No. 16337, U.S.N.M.; Trinidad River, March, 1912 

 (Busck). Also one male, Cabnna, May, 1911 (Busck). ^ 



TIOGA FOVEALIS Hampson. 



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



TIOGA TERSILLA, new species. 



Small; grayish white; fore wing with black at the base; inner line 

 white, curved to vein 1, then straight, with black shades on both 

 sides; median space with a brown shade and black UTorations out- 

 wardly; outer line white, denticulate, outbent in a blunt point a 

 little above the middle, edged within by a black dotted Hne ; terminal 

 space clouded with brownish below, ^vith black at apex; a terminal 

 row of black dots. Hind wing whitish, with fuscous veins and mar- 

 gin. Expanse, 10 mm. 



Type.—Mele, No. 16342, U.S.N.M.; La Chorrera, May, 1912 (Busck). 



POCOCERA ATRAMENTALIS Lederer. 



25. Paraiso, Canal Zone, January and February, 1911 (Busck); 

 Porto Bello, February and March, 1911, April and May, 1912 (Busck) ; 

 La Chorrera, April and May, 1912 (Busck); Corozal, Canal Zone, 

 April and May, 1912 (Busck). 



POCOCERA BASIGERA, new species. 



Fore wing with the basal space broad, black; inner line pale, 

 straight, upright bounded outwardly by a fine dark line; rest of the 



