HOW TO KNOW THE BUTTERFLIES 



B. Upper surface of wings conspicuously marked with blue 

 scales. 



C. The blue of the upper surface confined chiefly to the 

 hind wings ; lower surface of wings with a conspicu- 

 ous red band on the outer half of wings. (C. cecrofs), 

 p. 231. The Least Purple Hair-streak. 



CC. Upper surface of both pairs of wings largely blue ; no 

 red band on the outer half of lower surface of wings. 

 D. Under side of abdomen orange. {A. halesus), 



p. 220. The Great Purple Hair-streak. 



DD. Under side of abdomen not orange. (E.m-album), 

 p. 221. The White-M Hair-streak. 



BB. Upper surface of wings with but tew if any blue scales. 

 C. Lower surface of hind wings bright green marked with 

 brown and white. (Jlf. dam.011), p. 229. 



The Olive Hair- streak. 

 CC. Lower surface of hind wings not green. 

 D. Lower surface of wings pearl gray. 



E. Lower surface of wings with a narrow white-edged 

 bar at the end of cell R + M. ( T. acadica), p. 224. 

 The Acadian Hair-streak. 



EE. Without bar at end of cell R + M. (U. melinus), 

 p. 223. The Gray Hair-streak. 



DD. Lower surface of wings slate-brown or blackish. 

 E. Lower surface of wings crossed just beyond the 

 middle by a bright red band. (C. cecrops~), p. 231. 

 The Least Purple Hair-streak. 

 EE. Lower surface of wings not crossed by bright 

 red band. 



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