UrBRARV 

 MEMOIRS hECEivfio 



OF THE AUG!/) 1917 



AMERICAN ENTOMOLOGICAL SOCIiEffai: 7 



NUMBER 2 



THE BLATTIDAE 

 OF NORTH AMERICA 



NORTH OF THE MEXICAN BOUNDARY 



BY 

 MORGAN HEBARD 



PUBLISHED BY THE AMERICAN ENTOMOLOGICAL SOCIETY 



AT THE ACADEMY OF NATURAL SCIENCES 



PHILADELPHIA 



1917 



