EASTERN UNITED STATES. 69 



90. 

 Under side with three or more whitish stripes, 



Thecla Strigosa, (105) 

 Under side with not more than two stripes, 100 



100. 



Color dark brown, 101 



Color yellowish brown, Thecla Edwardsii, (101) 



101. 



Marks at the ends of cells on under side of both wings, 102 



No marks at the ends of cells, Thecla Ontario, (104) 



102. 



Under side ash-gray, Thecla Columella, (109) 



Under side brown, 103 



103. 



Inner line on the under side double, Thecla Calanus, (103) 



Inner line on the under side single, Thecla Wittfeldii, (102) 



104. 



Brown beneath ; outer half lighter, 105 



Dark brown; under side with two light bands edged with 

 white on the hind wings and one on the fore wings, 



Thecla Niphon, (113) 

 105. 

 A fine dark-brown line separating the two colors of the under 



side, Thecla Augustus, (110) 



A white line marking the separation ; first tooth outside of 



anal angle curving outward, Thecla Irus var. Arsace, (111) 

 A white line marking the separation ; first tooth outside of anal 



angle not curving outward, Thecla Henrici, (112) 



106. 

 Under side of hind wings with one row of orange spots, 



Thecla Titus, (115) 

 Under side of hind wings with two rows of orange spots, 



Thecla Lseta, (114) 

 107. 



Color above fulvous, or coppery and black, 108 



Color above blue, or bluish black, Lycaena, 112 



