EXPLANATION OF PLATE LXIX. 



CYPRIMERIA DENSATA (Conrad), p. 601 



1-2. Lateral and ventral views of the type specimen, a large inter- 

 nal cast. (After Whitfield.) 

 Burlington. 



LEGUMEN PLANULATUM (Conrad), p. 612 



3-4. Cardinal and lateral views of an internal cast illustrated by 

 Whitfield. 



Navesink marl; Freehold. 



5. Lateral view of a large internal cast. 



Woodbury clay; Lorillard, (102). 



6. Lateral view of an internal cast. 



Merchantz'ille clay-marl; near Mataivan, (101). 



7. lateral view of an internal cast. 



Woodbury clay; near Haddonfield, (168). 



