EXPLANATION OF PLATE LXXV. 



DENTALIUM SUBARCUATUM Conrad, p. 661 



1. View of a squeeze from a natural mould of the exterior. 



2. View of an internal cast. 



Woodbury clay; Lorillard, (102}. 



CADULUS OBNUTUS (Conrad), p. 663 



3-4. Lateral views from different sides of two internal casts, 



(X2). 



Woodbury clay; Lorillard, {102). 



PATELLA TENTORIUM Morton, p. 663 



5-6. Lateral and vertical views of the type specimen, (x2). 

 Navcsink marl; near Arneytown. 



PLEUROTOMARIA CROTALOIDES (Morton),. p. 665 



7-9. Vertical, basal and lateral views of an internal cast. 



Naresink marl; near Crawfords Corner, (126*). 



PLEUROTOMARIA BRITTONI Whitfield, p. 667 



10-12. Lateral, vertical and basal views of the type specimen. 

 Manasquan marl; Farmingdale. 



PLEUROTREM A SOLARIFORMIS Whitfield, p. 667 



13-14. Lateral and basal views of one of Whitfield's type specimens. 

 Vincentown limesand; Timber Creek. 



LEIOSTRACA CRETACEA (Conrad) , p. 671 



15. Lateral view of a specimen (x4). 



16. Lateral view of a specimen (x4). 



17. Lateral view of a specimen (x3). 



Woodbury clay; Haddonfield, (183). 



DELPHINULA NAVESINKENSIS n. sp., p. 669 



18-19. Vertical and lateral views of the type specimen. 

 Navesink marl; near Walnford, (49). 



MARGARITA ABYSSINA (Gabb), p. 669 



20-21. Basal and lateral views of an internal cast. 



Merchantz'ille clay-marl; Lenola, (/6j). 

 22. Lateral view of an internal cast. 



Navcsink marl; Middletoivn, 



1034 



