122 WM. II. EDWARDS. 



The eosta of priraarie? is rouadeJ from the base outwardly towards 

 the apex, b3f,)re which it is depressed, the apes rising-, acuminate. 

 The external marg;ia recedes immediately below the apices, and is 

 thence outwardly rounded, hardly oblique. The full secondaries are 

 hardly prodiicad at the apical angles. The neuration is typical and 

 normal. Th^ labial palpi are advanced beyond the front; third joint 

 small, conical, scaled; middle tibiae with a single, the thicker hind 

 tibiae with two pair of spurs. 



Description of a new HESPERIAN. 

 BY WM. H. EDWARDS. 



Hesperia Waco, n. sp. 



Male. Expands y^^ inch. 



Upper side : both wings honey-yellow, immaculate, edged by a fine 

 black line; secondaries black at base; a black ray from base along 

 the costa and another a little within the abdominal margin ; fringes 

 color of wings. 



■ Under side a little paler yellow ; base of primaries black and same 

 color for a little distance along the inner margin. 



Body yellow above, white beneath ; thorax white ; palpi yellow- 

 white. 



From a single specimen, in the collection of Prof. Townend Glover, 

 who received it from Dr. G. Lincecum, Texas. 



