40 Mr. E. Meyrick's Dcscriptioois of 



Brenthia cyanastra, n. sp, 



5 . 14-15 mm. Head dark fuscous, face and sides of crown 

 white. Palpi white, terminal joint dark fuscous. Antennae dark 

 fuscous. Thorax dark fuscous with a white line on each side of 

 back. Abdomen dark fuscous, a dorsal stripe and segmental margins 

 more or less suffused with white. Fore-wings moderate, posteriorly- 

 dilated, costa gently arched, apex rounded, termen rather obliquely 

 rounded ; dark fuscous ; markings white, edged or suffused with 

 bright pale blue ; a short narrow downwards-oblique streak from 

 base ; short oblique streaks from costa at J and f , between the first 

 of which and dorsum are three small spots or dots arranged in a 

 triangle ; from second proceeds an irregular sinuate-curved line of 

 dots to tornus ; two small spots transversely placed and more or less 

 connected in disc at f, another beneath these towards dorsum, and 

 another on dorsum before this ; a row of dots round apex and 

 termen : cilia dark fuscous, with large white patches at apex and 

 tornus except on a basal line. Hind-wings dark fuscous, lighter 

 towards base; cilia white, with a dark fuscous spot below apex. 



Bolivia, Songo; three specimens. 



Brentliia nialachitis, n. sp. 



^ . 12-1.3 mm. Head and thorax dark bronzy-fuscous, eyes edged 

 in front and behind with fine white lines, patagia with two fine white 

 lines. Palpi thickened with scales, black, apex of second joint, and 

 a subbasal ring and apex of terminal joint white. Antennae black 

 dotted with white. Abdomen dark fuscous, beneath with segmental 

 margins suffused with white towards middle. Fore-wings elongate- 

 triangular, costa moderately arched, apex obtuse, termen slightly 

 sinuate beneath apex, bowed, little oblique ; dark fuscous ; markings 

 pale shining blue-metallic ; two short fine oblique streaks from 

 costa towards base, and three dots placed in a triangle between these 

 and dorsum ; short direct streaks from costa before middle and at f , 

 latter forming a white dot on costa ; a small spot in disc at J ; mid- 

 way between this and termen a transverse line from near costa to 

 near tornus, edged with black posteriorly, terminal fascia beyond 

 this lighter than ground-colour : cilia dark fuscous, with a white 

 patch beneath apex, and a small white spot above tornus. Hind- 

 wings dark fuscous ; an indistinct paler small discal mark before 

 middle ; a rather irregular jjaler transverse line at f ; a violet- 

 blue-metallic posteriorly black-edged subterminal line, terminal 

 fascia beyond this paler; cilia dark fuscous, with blackish basal 



