370 PROCEEDINGS OF THE 



64. BOTYS INTERFIXALIS. Foem. Pallide flava,, siibtus albida, 

 abdomine alas posticas longe superaiite, alis liueis duabus fuscis 

 transversis obliquis, fascia marginali lata pallide senea; alis anticis 

 punctis costalibus nigricaiitibus, linea V apud costam retracta, 

 2''' interrupta et abbreviata, linea exteriore fiisca fasciam mar- 

 ginalim attingente. 



Female. Pale yellow, slender, iridescent, whitish beneath. Abdo- 

 men extending much beyond the hind wings. Wings with two 

 transverse oblique brown lines, and with a broad pale aeneous 

 marginal band. Foi-e wings acute, with several lilackish costal 

 points; 1st line retracted near the costa; 2nd interrupted in the 

 disk, abbreviated near the costa; a 3rd exterior brown line, which 

 joins the hind part of the marginal band. Length of the body 

 3 lines; of the wings 7 lines. 



Nearly allied to R. villinsalis and to R. NeocUsalis. 



Gen. Xacca. 

 Foem. Corpus robustum, breve, squamosum. Caput inter 

 antennas cornubus duobus porrectis lanceolatis. Proboscis medio - 

 oris. Palpi graciles, laeves, oblique ascendentes, verticem sat 

 superautes; articulus 3'''' linearis, 2' dimidio brevior. Antennae 

 validaB, breviusculaj. Abdomen lanceolatum, alas j^osticas longe 

 superans; latera fasciculata. Pedes sat validi; eoxae anticae longae, 

 clavatse, apice fasciculatae; calcaria longa, gracilia. Alee autica? 

 acutse, margine exteriore subconvexo. 



Femcde. Body stout, smooth, squamous. Head in front with 

 two porrect lanceolate appendages between the antennae. Pro- 

 boscis moderately long. Palpi slender, smooth, obliquely ascend- 

 ing, rising somewhat higher than the vertex; 3rd joint linear, 

 rounded at the tip, less than half the length of the 2nd. Antennae 

 stout, rather short. Abdomen lanceolate, -writh small tufts along 

 each side, extending much beyond the hind wings. Legs rather 

 stout; fore coxae long, elavate, densely tufted towards the tips; 

 spurs long, slender. Wings moderately broad. Fore wings acute; 

 exterior border slightly rounded, moderately oblique; 2nd inferior 

 vein more than twice further from the 3rd than from the 1st; 

 4th emitted near the base of the wing. 



"es* 



G5. Xacca TRIGONALIS. Fcem. Cupreo purpureo, capite palpis 

 thoraceque antico ochraceis; coxis anticis luteis purpureo fasci- 



