39 ARTICULATES : INSECTS. 



The Comma Butterfly, G. comma, Doubl., expands over 

 two inches, and is distinguished by the silvery-white 

 comma on the under surface of the hind wings. 



The Progne Butterfly, G. c-argenteum, Kirby, expands 

 about two inches, and has an angular silvery mark on the 

 middle of the under surface of the hind wings. 



SATYRIM:, Boisd., OR SATYRUS FAMILY. This Fam- 

 ily comprises butterflies which have the wings broad and 

 more or less rounded. The larvae are pale green. 

 The Genus Satyrus t Hipparchia, Fabr., Hipparchians, 

 Fig. 286. nas tne wings of a most delicate 



brown color, with eye -like spots 

 near the outer margins. The spe- 

 cies expand two or three inches. 



The Genus Chionobas contains 

 species which are restricted to Arc- 

 tic and alpine regions. 



The Mountain Butterfly, C. semi- 

 dea, Edw., is found as yet only on 

 Mount Washington, in New Hamp- 



Mt. Butterfly, C. semidea, Ed. i 



LYC.ENIDJE, Leach, OR AZURE-BUTTERFLY FAMILY. 

 This Family embraces very small and very beautiful 

 butterflies, which, in the caterpillar state, much resemble 

 wood-lice, and whose legs are so short that they seem to 

 glide over surfaces, and whose chrysalids are short, thick, 

 with the under side flat and the upper very convex. 



The Genus Chrysophanus contains the Copper Butter- 

 flies. The American Copper Butterfly, C. americana, 

 D'Urban, expands over one inch ; the fore wings are cop- 

 pery-red above, with about eight square black spots, and 

 the hind margins bordered with dusky brown ; hind wings 

 with a few small black spots on the middle, and a cop- 

 pery-red band on the hind margin. It flies all summer. 

 The caterpillar is green, and lives upon sorrel. 



