48 THE COMMONER BUTTEUFLIES. 



g\ Head sleuder and, including the spines, 

 twice as high as broad. 



20. Satyrodes. 



g'. Head stout and, inchiding the spines, half 



as high again as broad.. 21. Enodia. 



e'. Head uniformly rounded above 22. Cercyonis, 



B\ Body never furnished with spines; the joints crossed 



by more than three creases, the last 

 joint never forked. 

 C*. Body oval and slug-shaped, flattened beneath, 



rarely almost cylindrical, with very 

 small head. 



(Fam. Gossamer-winged Butterflies.) 

 D'. Head not one fourth, sometimes not one sixth, 



the width of the body; dorsal shield 

 behind head wanting or covered with 

 hairs like the parts about it. 



(Tribe Blues.) 

 e\ Last segment of body broad and greatly flat- 

 tened 28. Everes. 



e\ Last segment of body comparatively slender 



and less flattened 29. Cyaniris. 



D\ Head generally at least one third the width of 



the body; dorsal shield behind head 

 distinct and naked or covered with 

 many fewer hairs than the parts 

 about it. 

 E\ Segments of body highest next hind edge, or 

 at least with the hinder slope the 

 more abrupt. Head capable of im- 

 mense extension. 



(Tribe Hair-Streaks.*) 



* The genera of this group are not sufficiently known to give a 

 key to them. 



