496 NON-MARINE FOSSIL MOLLUSCA. 



PLATE 5. CRETACEOUS. 

 UNIO PENULTIMUS Gabb. (Page 427.) 

 FIG. 1. Copy of Mr. Gabb's original figure, natural size. 



UNIO HUBBARDI G. (Page 427.) 



< 



FIG. 2. Left side view, natural size. 

 FIG. 3. Outline of front view. After Gabb. 



CYRENA CARLETONI Meek. (Page 436.) 



FIG. 4. Left view, natural size. 

 FIG. 5. Dorsal view of the same. 



ANOMIA pRorATORis White. (Page 422.) 



FIG. 6. Exterior view of an upper valve, natural size. 

 FIG. 7. Lateral view of the same. 



NERITINA (VELATELLA) BELLATULA M. (Page 458.) 



FIG. 8. Dorsal view of a small example, enlarged. 

 FIG. 9. Lateral view of another example, enlarged. 



NERITINA (VELATELLA) CARDITOIDES M. (Page 458.) 

 FIG. 10. Dorsal view of the type specimen, natural size. 



NERITINA BANNISTERI M. (Page 458.) 



FIG. 11. Lateral view, enlarged, showing the color markings. The specimen has been 

 a little compressed. 



FIG. 12. Two views of a small example, enlarged. The color markings are not pro- 

 served in this example. 



MELAMPUS? ANTIQUUS M. (Page 444.) 



FIG. 13. Lateral view of a small example, enlarged. 



FIG. 14. Opposite view of the same. 



FIG. 15. Fragment of a very large example, natural size. 



FIG. 16. Apex very much enlarged, showing the reversed initial whorl. 



MELAMPUS ? ? (Page 444. ) 

 FIG. 17. Lateral view, natural size. 



PIIYSA CARLETONI M. (Page 449.) 

 FIG. 18. Lateral view, natural size. 



VALVATA NANA M. (Page 470.) 



FIG. 19. Lateral view, enlarged. 

 FIG. 20. Summit view of the same. 



