South American Micro-Lepidoptera. 239 



veins, and towards margin with some black specks sometimes 

 forming short dashes ; three or four black marginal dots round apex 

 and termen : cilia fuscous, basal third ochreous. Hind-wings dark 

 grey ; cilia grey, darker towards base. 



British Guiana, Bartica and Mallali, in February and 

 March (Parish) ; eight specimens. 



Commatica Iwpata, n. sp. 



(J $. 8-10 mm. Head and thorax pale ochreous. Palpi white, 

 second joint ochreous-grey except apex. Abdomen dark grey, anal 

 tuft whitish-ochreous. Fore-wings elongate, narrow, costa slightly 

 arched, apex obtuse, termen obliquely rounded ; pale ochreous, 

 brownish-tinged posteriorly, suffused with ochreous-whitish towards 

 costa anteriorly; costal edge black towards base; a dark fuscous 

 dot or oblique mark beneath fold before \ ; plical and first discal 

 stigmata blackish, plical very obliquely before first discal, both some- 

 times merged in a very oblique dark fuscous mark ; a thick black 

 streak along costa from before middle to apex, attenuated anteriorly, 

 cut by a very oblique fine white strigula from f ; sometimes some 

 fuscous suffusion along fold posteriorly; a fine black dash in disc 

 about I, sometimes anteriorly extended and rather curved down- 

 wards; a stronger black dash above tornus, sometimes connected 

 with tornus by fuscous suffusion ; a dentate whitish line just before 

 termen, terminal interstices speckled with blackish : cilia ochreous- 

 whitish, towards base pale ochreous, on costa with dark fuscous 

 subbasal line becoming fuscous or faint on termen, and blackish- 

 grey shade on tips rather projecting at apex. Hind-wings dark 

 fuscous; cilia grey, darker towards base, at apex with subbasal 

 dark fuscous mark. 



British Guiana, Bartica, from December to April 

 [Parish) ; nine specimens. 



Commatica nerterodes, n. sp. 



$. 9 mm. Head, thorax, and abdomen dark fuscous, face 

 lighter. Paljii whitish, second joint finely ribbed with blackish 

 irroration, anterior edge of terminal joint black. Fore-wings 

 elongate, rather narrow, costa gently arched, apex obtuse, termen 

 obliquely rounded; dark purplish-grey; a thick blackish costal 

 streak from near base to apex, cut at J by an oblique mark of 

 ground colour sprinkled with whitish, and by oblique white strigulae 

 beyond middle and at |, from second of which a fine strongly curved 

 whitish subterminal line runs to tornus; an oblique mark across 



