NORTH AMERICAN BUTTERFLIES. 159 



413b. Lycaena antiacis orcus Edw. is purplish blue with spots 

 very pale, and yellowish gray beneath. Found in California. 



414. LYCAENA COUPERIl Grout. 



Couper's Blue. 

 Rather pale blue above, white-fringed and narrowly bordered, 

 (broadly in female, and with a line at end of each central cell ). Dusky 

 gray beneath ; a common line of black white-ringed spots, one spot at 

 end of cell, on fore wing, one on upper border of hind pair, and one, with- 

 out pupil, at end of cell. Fig. 54, e. Expands 1.25. Found in Anti- 

 costi, Southern Labrador, and Newfoundland. 



415. LYCAENA LYGDAMAS Doubl. 



Silvery Blue. 

 Medium size. Beautiful silvery blue above, gray-fringed and nar- 

 rowly black-margined. Gray beneath with black bars at end of cells 

 and a common sub-marginal row of large black spots, two spots at base 

 of hind wings, and one at base of fore pair ; all spots white-ringed. Ex- 

 pands 1.10 to 1.25. Found in Michigan, and from Wisconsin to Geor- 

 gia, also in West Virginia. 



41G. LYCAENA SAGITTIGERA Feld. 

 Arrow-head Blue. 

 Medium size. Dark blue above, wliite-fringed, and widely black- 

 bordered. ( female more so, and with some faint orange crescents above 

 border at inner angle of hind wings. ) Dusky beneath ; a common line 

 of black crescents, and a line of round spots inside them; the space be- 

 tween the lines being bluish and arrow-shaped on hind pair, Fig. 54, b. 

 Patch in central cells, bluish, with a spot at end of cell on fore pair and 

 two dots, side by side ; one on hind pair and one above, bluish ringed. 

 Expands 1.10 to 1.15. Found in California, Nevada, and Colorado, 



417. LYCAENA SPECIOSA II. Edw. 

 Beautiful Blue. 

 Size, very small ; no tails. Pale silvery blue above, black-margined 

 and broadly white-fringed, black at end of veins. Pale silvery gray be- 

 neath, wuth a minute dot on upper margin on fore wings, and a series of 

 six sub-marginal spots. There is a small bar at end of cell, and a dot 



