diaphana; alls posticis vitta di.scoidali cyanea, subtus luteis nigro 

 marginatis. 



Male. Black, rather stout. Head luteous beneath; vertex 

 silvery white. Palpi obliquely ascending, not rising higher than 

 the vertex, 3rd joint linear, much more slender than the 2nd, and 

 less than half its length. Antennae moderately pectinated, setu- 

 lose towards the tips. Pectus luteous. Abdomen extending rather 

 beyond the hind wings; under side luteous, with incomplete black 

 spots on each side; apical tuft very small, very pale testaceous 

 beneath. Legs silvery beneath. Fore wings with a broad white 

 hyaline oblique streak in the exterior pait of the disk. Hind 

 wings with an abbreviated metallic blue stripe in the disk; under 

 side luteous, black about the tips, and along the exterior border. 

 Length of the body 8 lines; of the fore wings 21 lines. See 

 Plate V, Fig. 3. 



9. Alexis postica. Mas. Ochracea; corpore nigro; capite 

 pal})is pectoreque albis, vertice nigro albo-bivittato; thorace albo 

 maculate et bifasciato ochraceo-unifasciato; abdomine vittis tribus 

 macularibus ventre pedibusque albis; alls anticis dimidio exteriore 

 nigro plagam magnam transversam maculasque duas posteriores 

 albas includente; alis posticis macula discoidali f<xsciaque lata 

 marginali strigas sex albas lanceolatas includente nigris. 



Male. Ochraceous. Body black. Head white; vertex black, 

 with two white stripes. Proboscis pale testaceous. Palpi white. 

 Antennse pectinated, white above; branches short. Thorax with 

 some Avhite spots in front, with two white bands behind, and with 

 a broad intermediate ochraceous band. Abdomen with three 

 rows of white spots; under side, pectus, and legs white. Fore 

 wings with somewhat less than half of the exterior surface black, 

 including a large transverse white patch, and two posterior white 

 spots. Hind wings with a black spot in the disk, and with a 

 broad marginal black band, which includes six lanceolate white 

 streaks. Length of the body 8 lines; of the fore wings 2 lines. 

 See Plate V, Fig. 4. 



10. PiiiEGORiSTA STMiLis. Mas. Ochracea; capite thoraceque 

 atris albo notatis; capite subtus palpisque ochraceis, his apice 

 albis; al)dt)mine fusco basi ochraceo segmentis albo fasciatis; 

 p(!dibus fuscis albo vittatis; alis anticis costa linea subcostali dinii- 



