i2 4 CRETACEOUS PALEONTOLOGY. 



CRUSTACEA. 



Callianassa mortoni Pilsb. 



Locality 150. From an exposure of the Navesink marl, 1^/4 

 miles northwest of Jacobstown, and about iy 2 miles southwest 

 of Arneytown, the following fauna has been identified: 



BRACHIOPODA. 



Terebratella plicata Say. 



; 

 VERMES. 



Hamulus line at us n. sp. 



PELECYPODA. 



Nemo don eufaulensis (Gabb). 

 Cucullaea antrosa Mort. 

 Cucullaea tippana Con. 

 Area sp. 



Axinea subaustralis (d'Orb.). 

 Pinna laqueata Con. 

 Ostrea mesenterica Mort. 

 Gryphaea convexa Mort. 

 Gryphaeostrea vomer Mort. 

 Hxogyra costata Say. 

 Pecten whitfieldi n. sp. 

 Lima pelagic Mort. 

 Liopistha sp. 



Crassatellites subplana Mort. 

 Cardwn, spillmani Con. 

 Cardmm sp. 

 Leptosolen biplicata Con. 



GASTROPODA. 



Margarita abyssima Gabb. 

 Lunatia halli Gabb. 

 Gyrodes petrosa Mort. 

 Xenophora leprosa Mort. 



