PLATE XIX. 



Page 



Veniella subovalis Conrad "* 



Fig. 1. View of the right side of the cast, which had been labeled by Mr. Conrad. 

 2. View of the hinge, as obtained by a gutta-percha impression on the cast. 

 Veniella trapezoidea Conrad ; 



Fiff. 3. View of the right side of a specimen, which is slightly distorted by compression. 



X47 

 Veniella inelata Conrad - - - 



Fig. 4. View of the left side of the type specimen, natural size. 

 5. Enlarged cardinal view of the same. 

 Veniella elevata Conrad - 



Fig. 6. Vertical view of the type specimen I enlarged to two diameters. 



7. Profile view of same. 



l44 

 Veniella Conrabi Morton - 



Fig. 8. View of a cast of this species, natural size, from Holmdel, N. J. 



9. Similar view of another cast. 



10. View of the interior of a specimen from Eufaula, Ala., of which the exterior cor- 



responds to Fig. 9 in its varices. 



Veniella trigona Gabb - 



Fig. 11. View of the left side of the type specimen. 



12. Anterior view, showing the convexity. The figure is very imperfect. 



13. Left view of a second example, also from the collection of the Academy of Natural 



Sciences, Philadelphia. 



14. Anterior view of the same. 



Veniella ? DECiSA Morton ^ ■ — '''"1 



Fig. 15. Left view of a nearly perfect cast of the species, showing the general features. 

 16. Anterior view of the same. 



SPHiERlOLA UMBONATA Whitfield 



Fig. 17. Right view of the type specimen. 



18. Cardinal view of the same. These figures show the ligament and general form of 



the shell. 

 306 



