EXPLANATION OF PLATE LII. 



PUCATULA URTICOSA (Morton), p. 484 



1-2. Views of two individuals. (After Whitfield.) 

 Navesink marl; Freehold. 



PUCATULA MULLICAENSIS n. sp., p. 485 



3. View of a natural mould of the exterior of an upper valve. 



4. A squeeze taken from the same. 



5. A much exfoliated upper valve. 



Navesink marl; Mullica Hill, (169). 



LIROSCAPHA SQUAMOSA Conrad, ! p. 489 



6-7. Two views of the type specimen, (x2). 



Woodbury clay; Haddonfield, (183). 



PUCATULA WOODBURYENSIS n. Sp., p. 485 



8. View of a natural mould of the exterior of an upper valve. 



9. A squeeze taken from the same. 



Woodbury clay; Lorillard, (102). 



PARANOMIA SCABRA (Morton), p. 500 



10. View of a large single valve illustrated by Whitfield. 



Navesink marl; Upper Freehold. 

 11-12. Two upper valves. 

 13- A lower valve. 



Marshalltown clay-marl; near Swedesboro, 



986 



