218 Mr. E. Meyrick's Descriptions of 



Brenthia monolychna, n. sp. 



(J $. 11-12 mm. Head dark fuscous, orbits white except above. 

 Palpi white, with subapical ring of second joint, and base and an 

 anterior streak of terminal joint dark fuscous, in ($ with fine dark 

 fuscous projecting scale-pencil from basal joint beneath. Antennal 

 cilia tions in (J 1|. Thorax and abdomen dark fuscous. Forewings 

 elongate-triangular, cost a gently arched, apex rounded, term en 

 slightly rounded, hardly oblique; dark fuscous; a slightly curved 

 transverse lighter shade at J, sometimes partially whitish-tinged, 

 marked with violet-blue-metallic on costa and in middle ; a violet- 

 blue-metallic streak just below costa in middle; three irregular 

 transverse lines of whitish irroration on dorsal half of wing between 

 middle and tornus ; a narrow transverse spot of ground colour 

 outlined with white in disc beyond middle; a violet-blue-metallic 

 dash running from top of this to terminal fascia; a white dot on 

 costa at f ; a broad black terminal fascia, in middle occupying J of 

 wing but rounded off to extremities, including a conspicuous white 

 dot or transverse mark in middle and a deep golden-violet-metallic 

 praemarginal streak bearing uneven triangular projections inwards, 

 finely interrupted below apex : cilia rather dark fuscous, with 

 darker subbasal line, and white spots on outer half at apex and above 

 tornus. Hindwings dark fuscous; a small cloudy whitish spot 

 in disc towards base ; an oblique-oval whitish-fuscous spot in disc 

 before middle ; an inwardly oblique whitish mark from costa at 

 J; a short indistinct whitish transverse line from tornus; a trans- 

 verse white streak towards termen in middle, its lower end touching 

 termen; a golden-violet-metallic streak across apex; cilia dark 

 fuscous, with oblique white apical, median, and tornal patches. 



British Guiana, Bartica, in January and February 

 {Parish) ; four specimens. 



Brenthia ceutholychna, n. sp. 



(^ $. 9-10 mm. Head bronzy-fuscous, orbits white except above. 

 Palpi white, with two rings of second joint, and base and an anterior 

 streak of terminal joint dark fuscous, in o with short fine dark 

 fuscous projecting scale-pencil from basal joint beneath. Antennal 

 ciliations of (^ 1. Thorax dark fuscous, with very fine whitish lines 

 on shoulder and inner edge of patagia. Abdomen dark fuscous. 

 Forewings elongate-triangular, costa gently arched, apex rounded- 

 obtuse, termen slightly rounded, hardly oblique ; dark fuscous ; 

 base and a fascia at i lighter, whitish -sprinkled; a transverse-oval 

 spot of ground colour outlined with whitish irroration in disc beyond 

 middle, preceded and followed by very indefinite fasciae of scanty 



