72 TllE BUTTERFLIES OF Till: 



124. 

 Costal edge not yellow ; marginal and abdominal rows of spots, 



and several near the base, Carterocephala Mandan, (130) 

 Costal edge yellow, to near the end of cell ; submarginal row of 



spots, Carterocephala Omaha, (131) 



125. 

 Black, with three more or less complete rows of transverse 



white spots, Pyrgus Tessellata, (177) 



Brownish black, with two rows of transverse white spots, 



Pyrgus Centaureae, (178) 

 126. 



Tip of antenna? suddenly bent, with a much contracted, pointed 

 little hook, nearly half as long as the knob ; third joint of 

 palpi almost concealed, Pamphila, 127 



Antennae similar ; fringes light ; black at the ends of the veins ; 

 abdomen thin, scarcely reaching the anal angle, 



Amblyscirtes, 182 

 127. 

 Hind wings yellow, with an outer border of dark brown, not 



more than one-third the length of the wing, 128 



Hind wings brown, with a yellow band, 141 



Hind wings without a yellow band, 156 



128. 



Border of hind wings less than one-fourth the length of wing, 129 

 Border of hind wings one-fourth the length of wing or more, 138 



129. 



Fore wings without a black sex-mark or stigma in the middle, 130 

 Fore wings with a black sex-mark in the middle, 131 



130. 

 Fore wings with a brown patch beyond the cell ; veins in the 



yellow part usually yellow, Pamphila Zabulon, (135) 



Fore wings without a patch beyond the cell ; veins brown, 



Pamphila Delaware, $ (166) 

 131. 

 Border of hind wings a series of triangular spots, 



Pamphila Phylseus, (143) 

 Border of hind wings continuous, 132 



