72 BULLETIN 15 7, U. S. NATIONAL MUSEUM 



rows of spots, botli white (female), or the outer 

 orange and the inner white (male) (pi. 13, figs. 1, 2; 



pi, 14, fig. 1) Argynnis idalia (p. 104). 



d'. Both fore and hind wings above brownish golden with 

 black markings. 

 e\ Underside of hind wings with the light-yellow sub- 

 marginal band broad, occupying the entire space 

 between the two rows of silver spots; no reddish 

 tint on wings above (pi. 15, figs. 1, 2)_ Argynnis cybele (p. 109). 

 e'. Underside of hind wings with the light-yellow sub- 

 marginal band very narrow and more or less inter- 

 rupted; hind wings above with a slight reddish 

 tinge toward the base (pi. 16, figs. 1, 2; pi. 17, 



figs. 1, 2) Argynnis aphrodite (p. 112). 



cl Smaller, the fore wings less than 25 mm. long; wings 

 above orange with a black border and fine black mark- 

 ings (pi. 3, figs. 5, 6) Brenthis myrina (p. 102). 



6*. No silver spots on the underside of the hind wings. 

 c\ Rather large, with the fore wings more than 35 mm. in 

 length. 

 d\ Wings above lustrous black, the hind wings broadly bor- 

 dered with dark metallic blue or green (pi. 5, figs. 1, 2). 



Basilarchia arthemis astyanax (p. 76). 

 (f. Wings above light brownish orange or red, with the 

 veins, a narrow band across the hind wings, and the 



outer borders black (pi. 6, fig. 1) Basilarchia archippus (p. 78). 



c.^ Medium sized or small, with the fore wings not so much as 

 35 mm. in length. 

 d^. Medium sized, with the fore wings more than 20 mm. in 

 length. 

 e\ Wings above blackish, or very dark brown, the fore 

 wings crossed by an orange-red band beyond which 

 are some Vv'hite spots, and the hind wings broadly 

 bordered with orange-red (pi. 7, figs. 5, 6), 



Pyrameis atalanta (p. 84). 

 e\ No orange-red band across the fore wings. 



f. Wings above velvety black with numerous small white 

 or light yellow spots and broadly margined with 

 brick red (pi. 11, figs. 7, 8)— Euphydryas phaeton (p. 100), 

 f. Wings not black above. 

 g^. Portion of lower surface of fore wings covered by 

 the hind wings when at rest bright pinkish 

 marked with black ; wings above golden or 

 pinkish orange, the apex of the fore wings 

 black with a few white spots and their inner 

 half irregularly marked with black. 

 h^. Hind wings below with two large eye spots, 

 each broader than an interspace, situated 

 near the margin in a broad band bordered 

 with white interiorly ; fore wings below 

 mostly bright pink (pi. 27, figs. 1, 2). 



Pyrameis virginiensis (p. 86). 



