QL 



UNIVERSITY OF IOWA STUDIES 

 ,_ ; ' IN NATURAL HISTORY 



L?/)fl Professor Charles Cleveland Nutting, M.A., Editor 



CONTINUATION OF BULLETIN FROM THE LABORATORIES OF NATURAL HISTORY 

 OF THE STATE UNIVERSITY OF IOWA 



VOLUME IX NUMBER 



THE HESPERIOIDEA OF AMERICA 

 NORTH OF MEXICO 



A Generic Revision and Synopsis of the Species 



by 

 ARTHUR WARD LINDSEY, Ph.D. 



iJ- 



PUBLISHED BY THE UNIVERSITY, IOWA CITY 



