EXPLANATION OF PLATE XCIII. 



VOLUTOMORPHA CONRADI (Gabb), p. 780 



1-2. Two lateral views of a large internal cast. 



Nai'csink marl; near Holmdcl. 



3. Lateral view of a cast retaining some of the surface mark- 

 ings. 



Navesink marl. 



VOLUTOMORPHA Sp., 



4-5. Two lateral views of an internal cast. 



Wenonah sand; near Crawfords Corner., 



1070 



