PLATE 46. 
Chelone Camperi (?), nat. size. 
Fig. | 
1. Outer surface of a series of five “marginal” plates. 
2. Inside view of the same. 
3. Portions of two ribs of the carapace of apparently the same species of 'Turtle. 
From the Middle Chalk of Kent. In the Museum of Mrs. Smith, of Tonbridge Wells. 
4. Last cervical vertebra of a recent Turtle (Chelone mydas). 
e. Centrum. 
7. Hypapophysis. 
z. Anterior zygapophysis. 
a 
. Posterior zygapophysis. 
. Neural arch, which is produced far beyond the centrum. 
