EXPLANATION OF PLATE XC. 



ODONTOFUSUS MEDIANS Whitfield, p. 761 



1-2, 3. Lateral views of the type specimens illustrated by Whitfield. 



Navesink marl. 

 4-5. Two lateral views of a larger internal cast. 



Navesink marl; near Walnford, (149). 

 6. Lateral view of a shell referred to this species. 



Ripley, Mississippi, Coll. U. S. Nat. Mus., No. 

 20490. 



ODONTOFUSUS TYPICUS Whitfield, p. 763 



7-12. Two lateral views each of three type specimens used by Whit- 

 field. 



Navesink marl; Crosswicks Creek. 

 13-14. Two lateral views of an internal cast. 



Navesink marl, near Crawford's Corner, (126'). 



15-16. Two lateral views of a specimen retaining part of the shell. 

 Navesink marl; Mullica Hill, (169). 



ODONTOFUSUS SLACK: (Gabb), p. 766 



17. Lateral view of a somewhat distorted internal cast. 

 Merchantville clay-marl; Lenola, (163). 



TURBINELLA INTERMEDIA n. Sp., p. 767 



18-20. Vertical and two lateral views of a large internal cast. 

 21-22. Two lateral views of a smaller internal cast. 



Merchantville clay-marl; Lenola, (163). 



TURBINELI.A PARVA Gabb, p. 770 



23-24. Two lateral views of an internal cast. 



Navesink marl, near Crawford's Corner, (I26 1 ). 



1064 



