MOUNT LAUREL-NAVESINK. 115 



PEIvECYPODA. 



Cucullaea neglecta Gabb. 

 Ostrea mesenterica Mort. 

 Gryphaca convexa Mort. 

 Gryphaeostrea vomer (Mort.). 

 Pecten venustus Mort. 

 Lithophaga ripley'ana ( Gabb. ) . 

 Cardium temiistriatum (Whitf.) 



Cephalopoda. 



Belemnitella americana Mort. 



Locality 13 S- — Iri an old marl pit 3 miles west of Freehold, 

 and I mile a little east of south from Tennants station, at the 

 liead waters of a small tributary of Wemrock Brook, the lower 

 portion of the Navesink is shown, and the following species of 

 fossils have been collected : 



PELECYpoda. 



Cucullaea antrosa Mort. 

 Gervilliopsis ensiformis (Con.) 

 Inoceraanus confertim-annulaius Roemer. 

 Exogyra costata Say. 

 Pecten venustus Mort. 

 Pecten tenuitestus Gabb. 



Gastropoda. 



Margarita abyssima (Gabb.). 

 Lunatia halli Gabb. 

 Turritella encrinoides Mort. 

 Anchura pennata (Mort.). 

 Trachytriton atlanticum Whitf. 

 Volutomorpha conradi Gabb. 

 Cinulia naticoides Gabb. 



Cephalopoda. 



Belemnitella americana Mort. 



