EXPLANATION OF PLATE XV. 



CYPRiEA (Aricia) Mortoni Gabb (p. 120). 

 Figs. 1-3. Three views of Mr. Gabb's New Jersey type. Acad. Nat. Sci., Phila. 



DOLITJM (UOLIOPSIS) MULTILIRATUM Whitf. (p. 121). 



4, .5. Two views of the specimen used, natural size. 

 6. Enlarged view of the same. 



FiCUS PR^CBDENS Whitf. (p. 122). 



7,8. Two views, enlarged two diameters, of the most perfect cast observed. 



Natica abyssina Morton (p. 123). 



9, 10. Two views, lateral and basal, of a cast from the white limestone nodules at Monmouth, 

 New Jersey. 

 11, 12. Two similar views of another cast from the Green Marls. 



Gyrodes infracabinata Gabb (p. 125). 



13-15. Three views of a very characteristic cast from Highlands, New Jersey. 



16. Basal view of a large cast from Burlington, New Jersey. 



Gyrodes Abbotti Gabb, (p. 124). 



17. Summit view of the type specimen. Acad. Nat. Sci., Phila. 

 328 



