EXPLANATION OF PLATE LXXXVIII. 



PYROPSIS SEPTEMLIRATA Gabb, : p. 744 



1-2. Lateral and vertical views of a plaster cast from a natural 

 mould, showing some of the external features of the 

 shell. 



3-4. Lateral and vertical views of the internal cast of the same 

 individual. 

 Navesink marl; Mullica Hill, (169). 



PYROPSIS ? OBESA Whitfield, p. 748 



5-6. Two lateral views of the type specimen. (After Whitfield.) 

 Navesink marl; Mullica Hill. 



PYROPSIS RETIFER (Gabb), p. 749 



7-9. Vertical, and two lateral views of a nearly complete internal 

 cast. 



Navesink marl. 



10-11. Two vertical views of the type specimen of Dolium mul-' 

 tiliratum Whitf. 



Navesink marl; Freehold. 

 12-13. Two lateral views of an internal cast. 



Wcnonah sand; near Crawfords Corner, (126*). 



PYROPSIS WHITFIELDI n. sp., p. 750 



14-16. Two lateral views and a vertical view of the type specimen. 

 Illustrated by Whitfield as P. octolirata Con. 

 Navesink marl; near IValnford. 



PYROPSIS OCTOLIRATA (Conrad), p. 751 



17. Lateral view of a plaster cast from a natural mould, showing 



the external characters of the shell. 



18. Internal cast of the same individual. 



Woodbury clay; Lorillard, (102). 



PYROPSIS sp. 



19. Lateral view of a somewhat distorted individual. 



Red Bank sand; Shrewsbury River, (119). 



PYROPSIS LENOLENSIS n. sp., p. 752 



20. Lateral view of a distorted individual showing the elongate 



anterior canal. 



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

 23-24. Lateral and vertical views of a plaster cast from a natural 



mould of the same individual. 



Merchantville clay-marl; Lenola, (163). 



EUTHRIA ? FRAGILIS Whitfield, P- 753 



25. Lateral view of the type specimen. 



26. Enlarged outline view of the same. (After Whitfield.) 



Woodbury clay; Haddonfield, (183). 



1060 



