1116 CATALOGUE OF 



undulating incomplete blackish line, which is partly contiguous to 

 an interrupted brownish band ; marginal points blackish. Fore 

 wings with a small blackish spot, which is connected with the outer 

 side of the first line; two small blackish costal marks, one near the 

 base, the other between the first and second lines. Length of the 

 body 6 lines ; of the wings 16 lines. 



a. Ega. From Mr. Bates' collection. 



Genus B1THTASA. 



Mas. Corpus sat gracile. Caput supra dense pilosum. Pro- 

 boscis mediocris. Palpi graciles, pubescentes, verticem longissime 

 superantes ; articulus 2us supra subconvexus, subtus subfimbriatus ; 

 3us lanceolatus, 2o multo brevior. Antennae pectinatae. Abdomen 

 alas postieas longe superans ; fasciculus apicalis parvus. Pedes sat 

 graciles ; femora fimbriata. Alas anticee elongatse, vix acutae, mar- 

 gine exteriore convexo; posticae latiores. 



Male. Body rather slender. Head above thickly clothed with 

 short erect hairs. Proboscis of the usual length. Palpi slender, 

 pubescent, much longer than the breadth of the head, and rising 

 very much higher than the vertex ; second joint slightly convex 

 above, except towards the tip, with a short thick fringe beneath ; 

 third lanceolate, much shorter than the second. Antennae moderately 

 pectinated. Abdomen extending much beyond the hind wings ; 

 apical tuft small. Legs rather slender; femora fringed ;. spins 

 long, slender; fore legs very short. Wings elongate. Fore wings 

 hardly acute; exterior border convex, moderately oblique; first^ 

 second and third inferior veins contiguous at the base ; fourth remote. 

 Hind wings much broader than the fore wings. 



BlTHIASA DETERMINATA. 



Mas. Ferrugineo-fusca ; abdomen segmentorum marginibus pos- 

 ticis fasciculoque apicali pallide cinereis ; aim lineis dvabus 

 denticulatis post mediis obscure fuscis cinereo marginatis ; 

 antica linea ante media subangulosa vix obliqua obscure fusca 

 cinereo marginata, orbiculari e puncto albo, reniformi alba 

 angusta nigro marginata ; posticm subtus macula ante media 

 nigra. 



