EXPLANATION OF PLATE LXXXIII. 



PETROCERELLA TIPPANA (Conrad), P- 7*8 



1. Lateral view of a very perfect specimen from Texas. 



Chatficld, Texas, Pal. Cell. U. S. Nat. Mus., No. 

 20,994. 



2. Lateral view of a small internal cast. 



Wenonah sand; near Crarvfords Corner, (126'). 



ANCHURA ABRUPTA Conrad, P- 7 T 5 



3-4. Lateral views of two small, incomplete internal casts. 



Navesink marl; near Crazi'fords Corner, (126'). 



ANCHURA ARENARIA (Morton), p. 7 1 7 



5. Lateral view of the type specimen. 



Navesink marl. 



PUGNELLUS DENSATUS Conrad, p. 7 2 



6. Lateral view of an internal cast referred to this species. 



Wenonah sand; near Craivfords Corner, (126*) . 



TURBINOPSIS ? MAJOR Whitfield, p. 799 



7-8. Two lateral views of the type specimen. 

 Navesink marl; Navesink hills. 



ROSTEU.ARIA CURTA Whitfield, p. 721 



9, lo-n, 12-13. Lateral views of the three type specimens. 

 Navesink marl ; Crossivicks Creek. 



TURBINOPSIS ? ELEVATA Whitfield, p. 797 



14-15. Two lateral views of a nearly complete internal cast. 

 Navesink marl; Mullica Hill, (/dp). 



ROSTELLARIA FUSIEORMIS Whitfield, p. 722 



16-17. Two lateral views of the type specimen. 



Navesink marl; Crosswicks creek. 



1050 



