24 GEOLOGICAL SURVEY OF NEW JERSEY. 



CRYPTUS, Fabr. 

 C alkcris, Cress. 



O. americanus, Cress. 



C. contig-uus, Cress. 



C. extreinatis, Cress. 



C limatus, Cress. 



C nuncius, Say. 



C. persiniilis, Cress. 



C. semirufiis, Brulle. 



C. subclavatus. Say. 



MESOSTENUS, Grav. 

 M. albomaculatus, Cress. 

 M. americanus, Cress. 

 M. thoracicus. Cress. 



HEMITELES, Grav. 

 H. nemativorus, Walsh. 

 H. tenellus, Say. 

 H. u tills, Norton. 



APTB3IS, 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. 



