NORTH AMERICAN BUTTERFLIES. 155 



399 CIIRYSOPIIANUS SIRIUS Edw. 

 SiRius Copper. 

 Similar in general coloration to C. rubidus, but differs in Ijeing very 

 much more strongl}'' tinged with violaceous above, all of the surface, ex- 

 cepting borders and veins, being covered, and in having a row of dots 

 on hind wing beloAv, one in cell, and one below this. The female differs 

 from that of rubidus in being brown above, with sub-marginal band of 

 orange. Expands 1.30. Found from Montana to Arizona, and at Fort 

 ]\Icleod, British America. 



GEiSUS LIII. LYCAENA. BLUES. 

 Size, small. Often blue above, with or without spots, 

 but frequently spotted beneath. Hind wings, occasionally 

 tailed. The difference between this and the two preced- 

 ing genera is very slight, and the three could, without great 

 impropriety, constitute one genus. Type L. pseudargiolus. 

 ( Plate X. 1 ) 



400. LYCAENA HETERONEA Bd. 



Varied Blue. 

 Size, large. Sexes, dissimilar. Above bright blue, white-fringed 

 and Ijlack-bordered. There is an indication of a row of dusky spots cross- 

 ing both wings, and within this the surface is tinged with violet. Be- 

 death, pale buff, with a double row of spots, crescent-shaped outwardly 

 on fore wings, and this line is paler on hind pair. There is aline at end 

 of central cell on both wings, a spot in cell, (two on fore pair, ) and one 

 below it. Female, brown above, with spottings seen below repeated, ex- 

 cepting some of basal. Expands 1.40. Found in California, Utah, 

 Nevada, and Colorado. 



401. LYCAENA LYCEA Edw. 

 Purplish Blue. 



Size, medium. No tails. Sexes, not very dissimilar. Puridish 

 blue above wltli a broad dusky margin on outer border to both wings. 

 Grayish white beneath, with both wings having a row of brown dots; 

 a second row of eight white-ringed black spots. There is a large spot 

 at end of cell on fore wing, one fainter at end of cell on hind pair, one 

 above it, and one on lower border. Female differs in being dusky above 

 excepting basally, and in having the spottings indicated. Expands 

 L20. Found in Colorado, Nevada, ^Montana. Arizona, and New Mexico, 



