LBPIDOPTERA HETEROCERA. 79 



before the middle. Hind wings cinereous, semihyaline, with a 

 slight aeneous tinge. Length of the body 4£ lines ; of the wings 

 11 lines. 



Sarawak, Borneo. In Mr. Saunders' collection. 



Genus 33. UFA. 



Mas. Corpus sat validum. Caput penicillis duobus lateralibus. 

 Proboscis conspicua. Palpi quatuor lanceolati, capitis latitudine 

 paullo breviores ; articulus 3us parvus ; labiales porrecti ; max- 

 illares oblique ascendentes. Antennae validae, glabrae ; articuli 

 lus et 2us incrassati. Alee anticae longae, angustae, apice subro- 

 tundatee, margine exteriore obliquo subconvexo. 



Male. Body moderately stout. Head with a small penicil- 

 late tuft on each side at the base of the palpi. Proboscis distinct. 

 Palpi lanceolate, a little shorter than the breadth of the head; 

 third joint minute. Labial palpi porrect. Maxillary palpi obliquely 

 ascending, a little longer than the labial palpi. Antennae stout, 

 smooth, incrassated towards the base. Fore wings long, narrow, 

 slightly rounded at the tips ; exterior border slightly convex, mode- 

 rately oblique. 



1. Ufa Venezuelans. 



Mas. Pallidissime cervina ; palpi apice nigricantes ; alee antica 

 strigis duabus aut tribus fasciaque submarginali nigricantibus 

 diffusis, punctis tribus discalibus nigris ; posticce albida, 

 iridescentesyfere hyalinee. 



Male. Very pale fawn-colour. Palpi with blackish tips. 

 Fore wings with two or three diffuse blackish streaks, and with 

 a diffuse straight oblique blackish submarginal band; three black 

 discal points, two of which are in a longitudinal line, and the third 

 is hind ward. Hind wings whitish, iridescent, nearly hyaline. 

 Length of the body 3 lines ; of the wings 8 lines. 



o. Venezuela. From Mr. Dyson's collection. 



Genus 34. ASSARA. 



Mas. Corpus sat gracile. Proboscis conspicua. Palpi arcuati, 

 ascendentes, caput posticum attingeutes; articulus 3us lanceolatus. 

 Antennae robustae, glabrae. Abdomen alas posticas non superans. 

 Pedes validi, laeves ; tibiae posticae calcaribus quatuor longis. Alae 

 anticae sat latae, apice rotundatae, costa recta, margine exteriore 

 subconvexo subobliquo. 



