HETEROCEROUS LEPIDOPTERA. 75 



under side whitish testaceous, thinly blackish-speckled, with a 

 blackish patch by the interior border and with a blackish fringe. 

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



26. AZKLTNA BIPLAGA. Fffim. Ochracea, robusta, subtus pal- 

 lidior, pal pis validis oblique ascendentibus verticem non superantibus, 

 pectore lanugiuoso, abdomine nigro subconsperso, alis latis fusco aut 

 nigro conspersis linea postmedia obscuriore obliqua vix undulata fere 

 obsoleta fusco punctata, alis anticis linea antemedia obscuriore fusco 

 punctata vix conspicua macula discoidali cinerea rotunda nigro mar- 

 ginata margine exteriore angulato, alis posticis subtus gutta nigra 

 discoidali. 



Female. Ochraceous, stout, paler beneath. Palpi stout, obliquely 

 ascending, not rising higher than the vertex. Antenna? smooth. 

 Abdomen a little shorter than the interior border of the hind wings, 

 with a few black speckles. Pectus woolly. Legs smooth, rather 

 stout ; spurs long, slender. Wings broad, with small brown or 

 black speckles; a postmedial darker oblique hardly undulating very 

 indistinct line. Fore wings acute, with an antemedial line, which is 

 as indistinct as the postmedial line, and like it is accompanied by 

 dark brown points on the veins ; a round black spot with a cinereous 

 disk at the end of the areolet ; exterior border angular. Hind wings 

 less bright than the fore wings, with a blackish dot in the disk 

 beneath. Length of the body 7 lines; of the wings 20 lines. 



27. PASSA PYG.EROIDES. Mas. Fusca, subtus cinerea, palpis 

 brevissimis subascendentibus articulo 3o longi-conico, thorace crasso, 

 abdomine cinereo alas posticas non superante fascicule apicali parvo, 

 pectore lanuginoso, alis margine exteriore subdentato, alis anticis 

 latis acutis lineis tribus transversis la 2aque undulatis 3a angulosa 

 macula magna apicali ochraceo-cinerea nigro-marginata plaga dis- 

 coidali nigricante gutta costali nigra, alis posticis ciuereis fascia 

 subtus fusca lata marginali. 



Male. Brown, cinereous beneath.. Palpi very short, slightly 

 ascending; third joint elongate-conical, not more than one-fourth 

 of the length of the second. Thorax very stout. Abdomen cinereous, 

 tapering, not extending beyond the hind wings, much more slender, 

 than the thorax; apical tuft small. Pectus woolly. Legs rather 

 slender ; spurs long, slender. Wings with a slightly dentate exterior 

 border. Fore wings broad, acute, with three transverse black lines ; 

 first and second lines undulating ; first very near the base ; second 

 antemedial; third zigzag, slightly postmedial; a large ochraceous- 

 cinereous black-bordered spot on the tip of the costa ; a large blackish 

 piiU'h between the first and second lines ; a black costal dot between 

 the second and third lines ; exterior border rounded, rather oblique. 



