TAB. III. 

 Chelone Benstedi, nat. size. 



Fig. 



1 . Upper view of the carapace. 



2. Side view of the carapace. 



3. Oblique view of fore-part and left side of the carapace. 



4. Outline of transverse section of the carapace. 



From the Middle Chalk, Kent. In the Museum of J. S. Bowerbank, Esq., F.R.S. 



