56 THE COMMONER BUTTERFLIES. 



e^ Front and lower planes of head not forming 

 less than a right angle. 



22. Cercyonis. 

 B\ Fastened aronnd the middle by a silken sling as well 



as by the tail. 

 C\ Body stont, short, and with all j^i'^j^^tions 



rounded, the front end broadly 

 rounded. 



(Fam. Gossamer-winged Butterflies.) 

 \)\ llair-like appendages of the skin cylindrical, 



pointed, or else stellate at tip. 

 E'. These appendages tapering only at tip, the 

 abdomen rarely more than half as 

 long again as broad. 



(Tribe Ilair-Streaks.*) 

 f^ A delicate ridge along middle of thorax. 



24. Incisalia. 

 f . No distinct ridge along middle of thorax. 

 g\ Abdomen much wider than thorax. 



h\ Longest hairs nearly half as loug as 

 segments of abdomen. . 25. Uranotes. 



h^ Longest hairs not one fourth the length 

 of abdominal segments. 26. Mitura. 

 g*. Abdomen scarcely wider than thorax. 



27. Thecla. 

 E^ These a2'>pendages tapering throughout or 

 stellate at tip, the abdomen gener- 

 ally almost twice as long as broad. 



(Tribe Blues.) 

 f*. Body much more than three times as long 



as broad 28. Everes. 



V. Body much le?s than three times as long as 

 broad 29. Cyaniris. 



* Chrysalis of Stryinon not examined. 



