NORTH AMERICAN BUTTERFLIES. 49 



darker ; there is a narrow sub-marginal band of brownish which becomes 

 most Conspicuous in elongated spots of whitish, on upper and lower an- 

 gles of outer margin of hind, and lower angle of fore, wings, and enclo- 

 ses elsewhere a reddish line. There are two minute, black-ringed, white 

 spots at base of hind wings, outside of which is a small triangular spot 

 of reddish, from which, to the outer margin of the wing, runs a dusky 

 band. Female, much duller, with oblique, black band on fore wings, 

 somewhat incomplete, but the borderings are wider. Beneath, the cloud- 

 ings assume the form of more regular patches ; the marginal band is 

 more prominent ; and the basal portion of upper margin of fore, and a 

 bordering along the basal half of the band on hind wings, are whitish. 

 Expands, o.'2o to o.oO. Habitat, Southern Florida and Texas. 



100. COLAENIS DELILA Fab. 

 West Indian Long-wing. 

 Similar in size and form to C. julia, but differs in being of a yel- 

 lowish orange color above, in having the black bordering reduced to a 

 narrow fringe, and the oblique band on fore wings, is represented by two 

 spots, Fig. 21, d. Beneath, the cloudings are broken up into smaller 

 patches. Habitat, Bahamas and other West Indies, and rarely, Texas. 



GENUS XV. 



AGRAULIS. RED WINGS. 



Size, medium. Colors, red conspicuously marked with 

 black a])o\'e, and spotted below. Antennae, about two- 

 thirds as long as the body. Fore wings a little wider than 

 one half their lengfth ; hind wings about as wide as Ions:. 

 Eody, not reaching to the extremity of the hind wings. 

 Type, A. vanillae. ( Plate three, 4. ) 



101. AGRAULIS VANILLAE Linn. 



Red Silver-wing. 

 Above, rich reddish-orange, with sub-marginal band of spots on 

 fore wings, within which are three spots , at end of central cell, is a tri- 

 angular s[)0t, and in the middle of the cell are two spots, and all three 

 of these cellular spots contain a d<jt of white. Hind wings, with a mar- 

 ginal band containing a row of reddisli spots, while inside of this are 

 three spots, all these markings being l)lack. Beneath, on fore wing. 



