TAB. V. 

 Ckelone Camperi^ nat. size. 



Fig. 



1 . External surface of two dermal plates, probably " marg^inal" ones. 



2. Transverse section of one of the above, and of a subjacent inverted plate. 



From the Upper Chalk of Kent. In the Museum of Thomas Charles, Esq., 

 of Maidstone. 



