BUTTEEFLIES OF THE DISTRICT OF COLUMBIA 139 



cl^. Hind wings witli an even and unscalloped border, beneath 

 plain brown, ligliter in the outer half (pi. 25, fig. 7). 



Incisalia aug'ustinus (p. 142). 

 d". Hind wings with a scalloped border, beneath with an 

 overwash of whitish scales in the lower two-thirds of 

 the outer half. 

 e\ Hind wings beneath with the ground color similar 

 throughout, only slightlj' darker in the inner half; 

 outer half of lower two-thirds thickly flecked with 

 whitish scales; more or less evident white scaling 

 in a broad band along the inner margin; band 

 across middle of outer half of fore wings below scal- 

 loped and very irregular; male with a conspicuous 

 stigma on the fore wings (pi. 25, fig. 8)__ Incisalia irus (p. 145). 

 e^ Hind wings beneath with the inner half very dark brown, 

 contrasting strongly with the much lighter outer 

 half, uniform in color or with a large indefinite area 

 of olive or lighter brown scales near the anterior 

 border; no whitish scales near the inner border; 

 hoary scaling confined to a broad definite or indefi- 

 nite band in the hinder two-thirds of the wing 

 which seldom extends inward beyond the row of spots 

 or crescents in the light outer portion; band across 

 underside of fore wing in middle of outer half not 

 scalloped, parallel to the outer border, usually with 

 the lower half abruptly nearer the outer border than 



the upper; male without stigma Incisalia henrici (p. 145). 



a\ Hind wings with a hairlike tail, or two tails, near the inner 

 angle. 

 &\ Wings above vivid iridescent blue broadly bordered with dark 



brown (pi. 23, figs. 1, 2) Strymon m-album (p. 140). 



V. Wings above brown or grayish brown. 



c^. Undersurface of wings dark green with a narrow submar- 

 ginal white line, which becomes tortuous on hind wings ; 



above golden brown (pi. 25, figs. 3, 4) Mitoura gryneus (p. 142). 



(f. Brown or gray beneath. 



d\ Undersurface dark gray with a fine line of white inte- 

 riorly bordered with black and brownish red in the 

 outer third of the wings, and conspicuous orange 

 markings at the base of the tail ; above brownish gray 

 with a broad orange crescent at the base of the tail 



(pi. 23, figs. 5, 6) Strymon melinus (p. 140). 



(f. Beneath brown with an orange crescent or chevron at the 



base of the tail and a conspicuous blue patch between 



it and the inner angle; above brown with a small 



orange mark at the base of the tail. 



e\ Outer portion of the cell in each wing crossed by a 



dark bar bordered with white (pi. 24, figs. 7, 8). 



Strymon calanus (p. 142). 

 e^ No markings within the fine line, white bordered inte- 

 riorly with dark, that delimits the outer third of the 

 wings (pi. 28, figs. 7, 8) Strymon Ontario (p. 141). 



