South American Micro- Lepidoptera. 245 



Otoptris, n, g. 



Head smooth on face and crown, roughly tufted on forehead be- 

 tween antennae, face retreating; tongue short. Antennae t, in cj 

 simple, slender, basal joint very long, dilated and concave beneath, 

 forming a large eyecap with long rough projecting scales on margins 

 and with a tuft of hairs at extremity. Labial palpi short, drooping, 

 filiform. Maxillary palpi moderate, slender, filiform, three -jointed. 

 Posterior tibiae with long rough hairscales above. Forewings with 

 apex downturned ; 2 from angle, 3 absent, 6 and 7 stalked, 7 to costa, 

 8 absent, 11 from beyond middle. Hindwings |, linear-lanceolate, 

 cilia 4 ; transverse vein absent between 3 and 5, 4 absent, 5-7 approx- 

 imated towards base. 



Type lioxantha. The exact similarity of the pecuhar eye- 

 cap associates this genus nearly with the preceding, and the 

 two together thus form a transitional connection between 

 Lyonetia and Tischeria, confirming the position of the latter 

 genus in this family. 



Otoptris omphacina, n. sp. 



$. 6 mm. . Head, palpi, and antennae whitish. Thorax pale 

 yellow-ochreous. Abdomen grey-whitish. Forewings narrow-lan- 

 ceolate; light ochreous-yellowish ; a transverse dark fuscous dot 

 at apex : cilia yellow-whitish, more yellowish towards base. Hind- 

 wings pale grey; cilia grey-whitish. 



British Guiana, Mallali, in March [Parish) ; one speci- 

 men. 



Otoptris lioxantha, n. sp. 



^ $. 5-6 mm. Head, palpi, and antennae white, crown and 

 eyecaps ochreous-yellowish. Thorax ochreous-yellow. Abdomen 

 whitish-yellowish. Forewings narrow-lanceolate ; deep ochreous- 

 yellow : cilia ochreous-whitish. Hindwings grey- whitish ; cilia 

 ochreous-whitish. 



British Guiana, Bartica, in February {Parish) ; three 

 specimens. 



Otoptris penetralis, n. sp. 



$. 7 mm. Head, palpi, and antennae whitish. Thorax ochreous- 

 yellow. Abdomen dark fuscous. Forewings narrow-lanceolate; 

 yellow-ochreous, apex sometimes mixed with grey; a dark grey 



