. Upper view of the mandible of a Chelonian. 
. Side view of the same mandible, nat. size. 
. Under view of the mandible of another species of Chelonian. 
. Side view of the same mandible, nat. size. 
8. A marginal plate of the carapace of a Turtle (Chelone). 
. The scapula 51, and coracoid 52, of a Turtle (Chelone). 
„ Part of the coracoid of a Turtle (Chelone). 
. The upper or inner surface of the left hyosternal bone of Protemys serrata, 
. The left hyosternal bone of an immature Zmys, similarly mutilated of its inner 
PLATE 48. 
Upper view of the skull of Chelone pulchriceps, nat. size. 
Side view of ditto ditto. 
Under view of ditto ditto. 
7. Parietal. 
8. Mastoid. 
11. Frontal. 
12. Post-frontal. 
14. Pre-frontal. 
15. Nasal. 
20. Palatine. 
21. Maxillary. 
29. Premaxillary. 
24. Pterygoid. 
From the Green-sand, Barnwell, Cambridgeshire. In the Collection of the 
Rev. Thomas Image, M.A., of Whepstead. 
'The above three specimens are from the Chalk of Kent: and are in the 
collection of James Scott Bowerbank, Esg., F.R.S. 
From the Chalk of Sussex. In the Collection of Henry Catt, Esg., of Brighton. 
From the Burham Chalk-pit, Kent. In the Collection of Mrs. Smith, of 
'Tonbridge Wells. 
nat. size. From the same specimen as the subject of T. VII. 
process. 
