CAMBRIDGE UPPER GREENSAND. 
33 
Series 6. 20 Specimens. 
The remains in this Drawer belong to a new Emydian genus 
which had an exterior pustulous ornamentation not unlike 
Trionyx, and was covered with scutes. It may be named 
Trachydermochelys. 
Case. 
Comp. & 
Drawer. 
Tablet. 
J 
9 5 
1 
three cervical vertebra. 
9 5 
2 
posterior dorsal vertebra. 
g$ 
3 
proximal end of humerus. 
g$ 
4 
proximal end of femur. 
9 5 
5 
ilium. 
9 5 
6 
marginal plate. 
9 5 
7 
six fragments of marginal plates. 
8 
five fragments of costal plates. 
9 5 
9 
[undetermined]. 
Series 7. 10 Specimens. 
The following are associated. 
J 
9 5 
10 
anterior part of skull. 
g5 
11 
fragments of seven marginal plates. 
9 S 
12 
marginal plate. 
13 
marginal plate. 
The following are not associated. 
J 
S'5 
14 
four neural plates. 
S' 5 
15 
four marginal plates. 
g 5 
16 
two marginal plates. 
95 
17 
three marginal plates. 
9 5 
18 
marginal plate. 
19 
marginal plate. 
20 
two fragments of costal plates. 
5-5 
21 
two fragments of marginal plates. 
9-5 
22 
fragments of costal plates. 
23 
centrum of sacral vertebra] 
24 
centrum of sacral vertebra? 
3 
