68 THE BUTTERFLIES OF THE 



Outer margin of hind wings dentate ; no orange crescents be- 

 neath, 104 

 Hind wings entire, anal angle sharp, 106 



91. 

 Upper side of wings blue, with a black border, 92 



Upper side of wings dusky or blackish brown, 94 



Upper side black, more or less tinged with blue ; a red line be- 

 neath edged with white, Thecla Poeas, (108) 



92. 

 Under side of abdomen orange, Thecla Halesus, (95) 



Under side of abdomen not orange, 93 



93. 

 Dark blue ; border one-fourth the length of wing, 



Thecla M Album, (96) 

 Pale blue ; border more than one-fourth the length of wing, 



Thecla Acis, (107) 

 94. 

 A pale-blue patch between two orange spots on under side of 



hind wings near anal angle, 95 



No blue patch near anal angle ; under side green marked with 



brown and white, Thecla Smilacis, (106) 



95. 

 Upper surface with orange at anal angle, 96 



Upper surface without orange, or at least very faint, 98 



96. 

 Orange on hind wings, a crescent enclosing a black spot, 



Thecla Humuli, (99) 

 Orange, a patch or band not clearly denned, 97 



97. 

 The points of the W formed by the inner line on the under 

 side of the hind wings touching the outer line, 



Thecla Favonius, (97) 

 The points of the W not touching the outer line, 



Thecla Autolycus, (98) 

 98. 

 Under side pale bluish gray, Thecla Acadica, (100) 



Under side not pale gray, 99 



