EXPLANATION OF PLATE CVIII. 



TURRILITES PAUPER Whitfield, p. 834 



1-4. Four views of the type specimen. 



Navesink marl; Navesink Hiils. 



HETEROCERAS CONRADI (Morton), p. 833 



5-8. Two views each of two specimens. 



Navesink marl; Atlantic Highlands, 



