70 GEOLOGICAL SURVEY OF NEW JERSEY. 



C. generosa, Dej. 



Gloucester, Camden and Atlantic counties, common locally — 

 Wenzel. Gloucester, moderately abundant — Liebeck. Newark, 

 Ocean county, Greenville — Smith. Brigantine Beach, in Sep- 

 tember, abundant — Hamilton. Also rather local, but quite 

 generally distributed. 



C. vulgaris, Say. 



Gloucester, Camden and Atlantic counties, common — Wenzel. 

 Generally distributed, moderately abundant — Liebeck. Brigan- 

 tine Beach, in September, abundant — Hamilton. Caldwell, 

 common — Crane. Not on the Newark list, and I have not 

 myself taken it. 



O. repanda, Dej. 



Common everywhere. Reported on all lists and everywhere 

 as abundant. I have seen it in all parts of the State visited. 



Var. 12-guttata, Dej. 



Gloucester, moderately abundant — Liebeck. Gloucester and 

 Camden counties, common — Wenzel. Newark. Caldwell, rare 

 — Crane. 

 C. hirticoUis, Say. 



Gloucester, Camden and Atlantic counties, common — Wenzel. 

 Gloucester, sea-shore, common — Liebeck. Brigantine Beach, in 

 September, common — Hamilton. Madison. I have taken it at 

 Sandy Hook, Long Branch and Five-Mile Beach. It will be 

 found common everywhere along the coast. It is not on the 

 Newark list. 



C. punctulata, Pabr. 



Common everywhere, and reported on all lists. It is found 

 even in cities, along side streets, and is perhaps the most abundant 

 and widely distributed of all the species of the genus. 



C. tortuosa, Dej. 



Atlantic City, rare — Liebeck. 

 C. dorsalis, Say. 



Occurs all along the sea-shore from Sandy Hook to Cape 

 May ; common. 

 C. marginata, Fabr. 



Atlantic county, not common — Wenzel. Delaware Bay, rare 

 — Liebeck. I have not taken it in this State, but have found 



