EXPLANATION OF PLATE LXXXIII. 



PETROCERELLA TIPPANA (Conrad), p. 718 



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



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

 20,994. 



2. Lateral view of a small internal cast. 



Wenonah sand; near Crawfords Corner, (i26 :i ). 



ANCHURA ABRUPTA Conrad, p. 715 



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



Navesink marl; near Craivfords Corner, (i26 7 ). 



ANCHURA ARENARIA (Morton) p. 717 



5. Lateral view of the type specimen. 



Navesink marl. 



PUGNELLUS DENSATUS Conrad, p. 720 



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



Wenonah sand; near Craivfords Corner, (z<?6 3 ). 



TURBINOPSIS ? MAJOR Whitfield, p. 799 



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

 Navesink marl; Navesink hills. 



ROSTELLARIA CURTA Whitfield, p. 721 



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

 Navesink marl; Crosswicks Creek. 



TURBINOPSIS ? ELEVATA Whitfield, p. 797 



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

 Navesink marl; Mullica Hill, (169). 



ROSTELLARIA FUSIFORMIS Whitfield, p. 722 



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



Navesink marl; Crosszvicks creek. 



1050 



