AMERICAN LEPIDOPTERA. 277 



either margin, irregular, rather forming a double row; a similar point 

 in cell and two in the interspace above cell. 



Fnnn Dallas, Texas; taken by Mr. Boll, and in the collection of the 

 Mus. Comp. Anat. Cambridge, 

 IIesperia Dacotaii, n. sp. 



Ma/c. — Expands 1.3 inch. 



Upper side bright yellow-fulvous ; the hind margins pale fuscous, of 

 equal breadth ; disk of secondaries more or less obscured by fuscous; 

 .stigma straight, broad, extending from end of cell to submedian ner- 

 vure ; at upper extremity a dusky patch against the cell and the arc 

 covered by a black streak ; fringes long, pale fulvous. Under side of 

 both wings ochraceous, lighter in parts corresponding to the fuscous 

 portions of upper side ; base of primaries adjoining margin dark fuscous 



Body above fulvous, beneath grey-ochraceous ; palpi yellow; an- 

 tennae yellow-brown tinged with fuscous; club fulvous above at tip, 

 below brownish. 



From Colorado, taken by Mr. Mead. 

 Hesperia IIorus, n. sp. 



Female. — Expands 1.5 inch. 



Upper side brown, darkest next bases of wings, light colored on 

 disks ; immaculate, fringes long, con-colored. 



Under side brown ; primaries have two or three whitish dots on 

 costal margin near apex and a few whitish scales indicating obsolete 

 spots in the upper and middle median interspaces. 



Body above con-colored, beneath greyish ; palpi brownish-grey ; an- 

 tennje brown above, luteous below; club black. 



From Dallas, Texas; taken by Mr. Boll, and in the Museum 

 Comp. Anat. Cambridge. 



TRANS. AMKI!. ENT. SOC. (36) APRIL, 1S71. 



