U. S. NATIONAL MUSEUM 

 I 



PROCEEDINGS, VOL. 71. ART. 9 PL. I 



mspl *^ msc rate 



sc b 



^V '^ I i' /f << 



to 



a - d 



Details of Parts of Digger Wasps 



For EXPLANATrON OF PLATE SEE PAGE 40 



