BUTTERFLIES OF THE DISTRICT OF COLUMBIA 215 



^. Size medium or small, tlie fore wing not more than 

 22 mm. long ; wings marked with yellow above. 

 7i\ Hind wings below with the yellow spots much 

 larger and lighter than on the upper surface, 

 and also more numerous, there being a cluster 

 of large spots, or a large irregular patch, in 

 the basal half of the wing ; size small, the fore 

 wing 13 mm. long or less (pi. 49, flgs. S-11). 



Polites coras (p. 220). 

 7i^ Spots on hind wing beneath not more extensive 

 than on upper surface; no additional light 

 spots below; rather large, the fore wings at 

 least 15 mm. long. 

 ?:\ Hind wings beneath dark gray with a broad 

 more or less obscure light band running 

 from the base to the outer margin, and 

 some light spots near its outer end; fore 

 wings about 20 mm. long (pi. 20, fig. 3). 



Poanes viator (p. 229). 

 f. Hind wings beneath brown or cinnamon, with- 

 out a broad light central band ; size smaller. 

 ;\ Hind wings below bright cinnamon with an 

 angled row of clearly defined light spots 

 in the outer fourth of the wing and an 

 isolated spot in the cell ; discal stigma on 

 fore wings above inconspicuous (pi. 16, 



figs. 5, 7) Erynnis leonardus (p. 218). 



/. Hind wings below brown, with the spots 

 above repeated indefinitely, with obscure 

 outlines; discal stigma on. fore wings con- 

 spicuous (pi. 54, figs. l-6)-Atrytone pontiac (p. 224). 

 f. Hind wings above brown, unmarked. 



g^. Fringes of wings conspicuously alternating dark 

 and very light; above dark brown, the fore 

 wings with two or three (rarely more) minute 

 white spots near the costal margin ; hind wings 

 below dark brown, slightly mottled, clouded 

 with pale bluish scales, especially in the outer 



third (pi. 52, figs. 17, IS) Amblyscirtes vialis (p. 231). 



p^ Fringes of wings uniform in color. 



7i\ Fore wings with a few small white spots. 

 i\ A conspicuous white spot just beyond the mid- 

 dle of the fore wing, with another smaller 

 spot beyond it and some minute spots above 

 the latter; outer border of fore and hind 

 wings slightly concave in the middle (pi. 8, 



fig 8) Prenes ocola (p. 233). 



^^ No conspicuous white spot near middle of fore 

 wing ; three minute white spots near costal 

 border in outer third of wing, and another 

 some distance beneath these ; border of fore 

 and hind wings convex. 

 66544—32 15 



