THE TRIBE OF THE HAIR-STREAKS 251 



bright blue with blackish margins, the blackish coloring 

 extending nearly to the middle in the female. Two dis- 

 tinct tails on each hind wing. Under surface sepia 

 brown with blue and red spots. Abdomen orange below. 



White-M Hair-streak (Eupsyche m-alhum or Thecla 

 m-alhum). Wing expanse \\ inches. Upper wing sur- 

 face blue with wide blackish margins in both sexes. 

 Under surface marked with whitish lines suggesting the 

 letter M, with a reddish spot near it. Each hind wing with 

 two small tails. 



Least Purple Hair-streak (Calycopis cecrops or Thecla 

 cecrops). Wing expanse 1 inch or less. Upper wing 

 surface dark brown, more or less marked with blue, es- 

 pecially at base of front wings and inner half of hind wings. 

 Under wing surface marked with a brilliant red line edged 

 outside with white. Two very fine tails on hind wings 

 with brightly colored spots near their base on lower sur- 

 face. 



Gray Hair-streak (Uranotes melinus or Thecla melinus). 

 Wing expanse I3 inches. Upper wing surface bluish 

 gray with a brilliant red spot at base of tails on hind wing. 

 Lower wing surface much lighter gray, each wing marked 

 with a brown and white stripe and a row of dots nearer 

 the margin. 



Banded Hair-streak (Thecla calanus). Wing expanse 

 li inches. Upper wing surface dull dark brown, com- 

 monly without markings although sometimes there is an 

 orange spot on each hind wing. Lower wing surface 

 a little lighter than upper with bright red and blue spots 

 at the base of the tiny tails, and with distinct narrow blue 

 and white broken bands extending across the outer half 

 of each wincj. 



