MOUNT LAUREL-NAVESINK. 117 



Gryphaea convexa Mort. 

 Hxogyra costata Say. 

 Trigonia sp. 

 Plicatula urticosa Mort. 

 Spondylus gregalis Mort. 

 L,ima reticulata (L. & F.). 

 Lithopliaga ripleyana (Gabb). 

 Liopistha protexta Con. 

 Veniella trigona Gabb. 

 Crassatellites subplanum (Con.). 

 Cardium spillmani Con. 

 Cyprimeria sp. 

 Meretrix eufaulensis Con. 

 Corbula crassiplica Gabb. 



GASTROPODA. 



Margarita abyssima (Gabb). 

 Lunatia halli Gabb. 

 Gyrodes petrosus (Mort.) 

 Turritella encrinoides Mort. 

 Anchura pennata Mort. 

 Trachytriton atlanticum Whitf. 

 Volutomorpha conradi Gabb. 

 Turbinopsis depressa Gabb. 



CEPHALOPODA. 



Baculites ovatus Say. 

 Belemnitella americana Mort. 



CRUSTACEA. 



Callianassa mortoni Pilsb. 



VERTEBRATA. 



Shark's tooth. 



Locality 149. From a natural outcrop of the Navesink marl 

 in a tributary of Crosswicks Creek, about I mile south of the last 

 locality, the following species have been collected : 



