NORTH AMERICAN BUTTERFLIES. 145 



371. TIIECLA BEIIRII Edw. 

 Coppery IIair-streak. 



Size, small. Tails, two. Bright shining copperish j-ellow above, 

 broadly bordered with blackish on upper margin of fore Avings, and nar- 

 rowly on outer border of both pairs. Slaty gray beneath, with the outer 

 margin, lined with black, that is succeeded, internally, by a Avhite line. 

 On fore wings is a sub-marginal band of orange spots, edged internal- 

 ly with white in middle. There is a white band, black-edged inwardly. 

 On hind wings is a sub-marginal band of black arrow-shaped points, of 

 varying sizes, the sixth from upper angle being largest, the seventh is 

 nearest outer margin, and is surmounted by a large red spot, that is 

 edged by a black crescent. Beneath the eight black spot is a grayish 

 patch, and there is a black spot at inner angle. Crossing wing is an 

 irregular wavy white line, black-edged inside. Expands 1.00 to 1.25. 

 Found in California, Nevada, and Colorado, 



372. THECLA FOTIS Str. 

 FoTis Butterfly. 



Size and form of T. augustus, but differs from it in being grayish 

 slate on both surfaces, and there is a line of sub-marginal white spots 

 on under surface of hind wings. Found in Arizona. 



373. THECLA ERYPIION Be. 

 Lined Butterfly. 

 Size of T. irus, and similar above, pale beneath, with a small cen- 

 tral patch on fore wings, and a wavy band of blackish arrow-shaped 

 white-edged spots. On hind wings is an overwashing of purplish, and 

 they are crossed by three black wavy lines, white-edged, the outer be- 

 ing composed of arrow-shaped spots. Found in California and Colora- 

 do. 



374. THECLA DUMETORUM Bd. 



Greenish Hair-streak. 

 Size, small. No tails. Greenish brown above, unspotted. Rusty 

 beneath, on fore wings, tinged with greenish. Greenish on hind wings, 

 with a row of black dots on outer portion. Expands 1.00. Found in 

 California, Oregon, and Nevada. 



