U. S. NATIONAL MUSEUM 



PROCEEDINGS, VOL. 50 FL. 8 



OOq 



oo 



12 



13 



o o 



o 



18 



19 



sz 



20 



21 



4 f 



North American Achorutinae, Neanurinae, and Podurinae. 



For explanation of plate see pace 520. 



