EXPLANATION OF PLATE C. 



NAUTILUS DEKAYI Morton, p. 817 



i. Lateral view of an incomplete internal cast. 



Red Bank sand; Shrewsbury River, (//$?). 



2-3. Lateral and dorsal views of a small internal cast, illustrated 

 by Whitfield. 



4. Ventral view of a fragmentary internal cast, illustrated by 



Whitfield. 



Navesink marl; Marlboro. 



5. Dorsal view of a fragmentary internal cast illustrated by 



Whitfield. 



Hornerstoivn marl; Cook's pits near Tinton Falls. 



1084 



