UNIVERSITY OF IOWA STUDIES 

 IN NATURAL fflSTORY 



Professor Charles Cleveulnd Nutting, M.A., Editor 



CONTIXUATIOX OF BULLETIN FROM THE LABORATORIES OF NATURAL HISTORY 

 OF THE STATE UNIVERSITY OF IOWA 



VOLUME IX NIDIBER 2 



THE HESPERIOIDEA OF AMERICA 

 NORTH OF MEXICO 



A Generic Revision and Synopsis of the Species 



by 

 ARTHUR WARD LINDSEY, Ph.D. 



PUBLISHED BY THE UNIVERSITY, IOWA CITY 



