24 GEOLOGICAL SURVEY OF NEW JERSEY. 



CRYPTUS, Fabr. 

 C. alacris, Cress. 



O. americanus, Cress. 

 C. contignus, Cress. 

 C. extrematis, Cress. 

 C. limatus, < 

 O. nuncius, Say. 

 C. persimilis, d> 

 C. semirufus, Brulle. 

 O. subclavatus, Say. 



MESOSTENUS, Grav. 

 M. albomaculatus, Cress. 

 M. americanus, Cress. 

 M. thoracicus, Cress. 



HEMITELES, Grav. 

 H. nemativorus, Walsh. 

 H. tenellus, Say. 

 H. utilis, Norton. 



APTESIS, Forst. 

 A. micropterus, Say. 



PEZOMACHUS, Grav. 

 P. dimidiatus, Cress. 



P. gentilis, Cress. 

 P. gracilis, Cress. 

 P. macer, Cress. 



P. obscurus, Cress. 



Recorded from New Jersey only. 



P. unicolor, Cress. 



