ANCERYX. 201 



The anterior wings of the specimens described are unfortunately 

 worn. 



Mature Larva. Head purple ; body obscure brown, with a 

 black dorsal line, and spotted irregularly with white on the sides ; 

 caudal horn purple. (Merian.) 



Food-plants. The leaves of a species of Psidium or Guava. 



South America ; West Indies ; Mexico ; Texas ; Southern 



United States ; California. 



CLEMENS. 



Vertex and thorax with distinct double crests. 



2. A. obscura Fab. sp. II, 142, 14. Erinnys stheno Hubner. 



Hoary and somewhat bluish gray. Head and thorax dark gray 

 and paler on the sides, the latter with a few short black lines, or 

 with the disk before blackish brown, and a stripe of the same hue 

 on the sides. Abdomen dusky gray without bands, and two brown- 

 ish dorsal lines. Anterior wings hoary, or gray tinted with bluish, 

 with blackish markings ; a blackish streak extending from base to 

 the tip, and a short, nearly parallel blackish streak above the inte- 

 rior angle ; a blackish patch on costa at the posterior extremity 

 of the disk, a fainter one about the middle, and another at the 

 origin of the post-apical nervule ; a row of black dots on the lower 

 third of the nervures and another about the middle, each series 

 being connected by a faint acutely angled line ; a row of marginal, 

 black dots in which terminate faint, slender, blackish lines in the 

 interspaces from the post-apical to the medio-central. Posterior 

 wings rust-red or reddish fawn-color, with a dark-brown patch on 

 the terminal margin, about the interior angle, and a series of indis- 

 tinct dots above the nervules. 



In the markings of the anterior wings this species bears a very 

 striking resemblance to A. ello. 



Mexico ; West Indies ; Texas. 



CLEMENS. 



3. A. scyron Cram. IV, 23, pi. 301. 



Hoary, cinereous. Thorax with a broad, anterior, blackish 

 band, and two blackish, posterior, abbreviated bands. The seg- 

 ments of the abdomen with interrupted, blackish bands, separated 

 and whitish. Fore wings dark brown, varied with yellowish, with 



