EXPLANATION OF PLATE LXXXV. 



PERISSOLAX DUBIA (Gabb) , , P- 73 



i. Lateral view of an internal cast. 



Navesink marl; Mullica Hill. 

 2-3. Two lateral views of an internal cast. 



Navesink marl; near Crawfords Corner, (/<?6 7 ). 

 4-5. Two lateral views of one of the types of Tritonidca obesa 

 Whitf. 



Navesink marl; Crosswicks Creek. 



PERISSOLAX TRIVOLVA Gabb, P- 73* 



6. Lateral view of the type specimen. 



Vincentown limesand, Timber Creek. 



PYRIFUSUS MEEKI Whitfield, p. 73 2 



7-8. Two lateral views of a nearly perfect internal cast. One of 

 the type specimens. 



Navesink marl; Mullica Hill. 



PYRIFUSUS MUL/.ICAENSIS (Gabb), p. 733 



9. Lateral view of an internal cast. 

 10-11. Two lateral views of another internal cast. 



Navesink marl; Mullica Hill. 



12-13. Two lateral views of the type specimen of Pyrifusus cuneus 

 Whitf. 



Navesink marl; Freehold. 



14-15. Two lateral views of the type specimen of Eripachya paludi- 

 naformis Whitf. 



Navesink marl; Crosswicks Creek. 



PYRIFUSUS ERRATICUS Whitfield, p. 736 



16. Lateral view of an internal cast. 



Cliff wood clay; Cliff wood Point, (105). 



PYRIFUSUS MACFARLANDI Whitfield, p. 735 



17- Lateral view of an internal cast. 



Navesink marl; Mullica Hill, (169). 



HERCORHYNCHUS JERSEYENSIS n. sp., p. 737 



18. Plaster cast of a natural mould of the exterior of this species. 

 19-20. Two lateral views of the internal cast of the same individual. 

 21-22. Two lateral views of another internal cast. 



Cliff wood clay; Cliff wood Point, (185). 



1054 



