NORTH AMERICAN BUTTERFLIES. 1;j7 



base, and a sub-marginal line of faint clots, and another of brown cres- 

 cents. Expands 1.10. Found at Mackenzie River, British America. 



40G. LYCAENA EULLA Edw. 

 Northern Pacific Blue. 

 Size, large. Purplish above, dusky-bordered, and white-fringed; 

 white beneath, tinged with grayish brown. There is a blackish bar at 

 end of central cell of fore wing ; a sub-marginal band of faint dusky spots 

 * on both wings ; ( with traces of crescents ) within this is a series of black 

 spots, six, large on fore wings, smaller on hind pair. There is a dark 

 spot near inner angle, much back of the line. Female, pale brown, a 

 little bluish at base. More deeply tinted with brown than in the male. 

 Expands 1.50. Found in California, Washington, and Vancouver's Is- 

 land. 



407. LYCAENA PEMBINA. 

 Slave Lake Blue. 

 Similar to L. amicus, but differs in being bluer above, in having 

 eight dots on hind wings below, and a spot in cell, and is smaller Ex- 

 pands .85 to 1.00. Found at Slave Lake, British America. 



408. LYCAENA PHERES Bd. 

 Pheres Blue. 



Violet blue above, white-fringed and narrowly black-bordered. 

 Very pale gray beneath ; six black spots cross fore wing, and there is 

 one at end cell ; on hind pair are two lines of white spots, also a bright 

 spot at end of cell, and one near base, none of the spots are pupiled. 

 Expands 1.25, Found from California to British Columbia, and in 

 Nevada, and Colorado. 



408a. Lycaena pheres evius, Bd. Differs from the type in be- 

 ing rather darker and the white spots on hind wing below areblack-pu- 

 piled. 



40y. LYCAENA PHELEROS Bd. 

 Dull Blue. 

 Size, small. No tails. Dull purplish blue above, dusky-bordered 

 and white-fringed ; brownisli gray beneath, bluish at base of fore wings. 

 There is a common sub-marginal line of small black crescents, and an 

 inner line of black spots, minute and white-ringed on hind pair. There 

 is a dot on upper margin, another in cell, and at end of cell is a narrow 

 line ; on fore pair a larger spot. Expands 1.10. Found in California, 

 Utah, Nevada, and Colorado. 



