MOUNT LAUREI^NAVESINK. 107 



Vertebrata. 



Fish vertebrae. 

 Bone of reptile. 

 Coprolite. 



In a marl pit at Middletown (Locality 113), a little more than 

 Yi mile west of the railroad station, the sandy Mount Laurel 

 bed (113^) is poorly exposed in the gullies by the roadside, the 

 typical Navesink (113^) being well shown in the excavation a 

 little higher up. 



Locality 113^- — This bed is more or less calcareous, with 

 rounded quartz pebbles the size of peas. The exposure is not 

 well adapted for the collection of fossils and only a few species, 

 all more or less fragmentary, have been identified, as follows : 



PBI^ECYPODA. 



Gryphaea .sp. 

 Bxogyra costata Say. 

 Pecten sp. 



Gastrochaena ? (tube). 



Gastropoda. 



Anchura pennata Mort. 

 Pyriftisus mullicaensis (Gabb). 



Locality 113^- — The fossils here occur in a grayish, greensand 

 marl, which has been dug for fertihzing purposes. The species 

 which have been identified are as follows : 



Brac'hiopoda. 



Terebratella plicata Say. 



PELECYPODA. 



CucuUaea neglect a Gabb. 

 Ostrea mesenterica Mort. 

 Gryphaea convexa Mort. 

 Bxogyra costata Say. 



