PLATE XIV. 



Page. 

 Tkigonia EuFAULENSis Gabb 113 



Fig. 1. Exteriorof a .specimen from uear Red Bank, N. .T.. in the nollection of the Academy 

 of Natural Science, Philadelphia. 



2. Interior of same. 



3. A small cast from Monmouth County, New Jersey. 



4. View of a cast from Shultz's Mills, near Long Branch, N. J. 



Trigonia Mortoni Whitfield ll'i 



Fig. 5. Left view of an internal cast of the usual form from Freehold, N. J. 

 5a. Cardinal view of same. 



6. View of an imperfect impression of the left side as obtained from a gutta-percha 

 cast in the natural mold, Holmdel, N. J. 



Trigonia cerulea Whitfield 114 



Fig. 7. View of a right valve, natural size, showing the form and the style of ribs charac- 

 teristic of the species. 



Pteri A NAVICULA Whitfield 70 



Fig. 8. View, twice enlarged, of the t.ype specimen. 



Pteria laripes Morton sp 69 



Fig. 9. View of a left valve of this species. 



Pteria petrosa Conrad's sp _ 68 



Fig. 10. View of an imperfect cast from an iron nodule from Keyport, N. J. 



Mei,eagrineli,a abrupta Conrad sp 72 



Fig. 11. View of a left valve, natural size. 



12. Enlargement of the hinge from the same. 



13. Enlargement of the exterior of a right valve from Freehold, N. J. 



14. Enlargement of the interior of the same specimen. 



Inoceramus Sagensis Owen 76 



Fig. 15. View of an imperfect right (convex) valve from the limestone nodules nt Holm- 

 del, N. J. 



Ikoceramus Sagensis var. quadrans Wliitfleld 79 



Fig. 16. View of the specimen described. 



Inoceramus pro-obliqua Whitfield 80 



Fig. 17. View of the type specimen, showing its features. 



296 



