DESCRIPTION OF THE PLATES. 
Fig. 10. A small fossil tooth resembling, in form, the following. 
1 1. The figure of a tooth of one of the dog-fish, as given by Scilla. 
12. Part of the palate of some unknown fish. 
13. A scale of a fish found in chalk. 
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PLATE XIX. 
Fig. 1. The head of the large fossil animal from Maestricht. 
2. A fossil tooth, resembling those of squalus zygena in form. 
3. A fossil tooth of a fish, from the Kentish chalk pits, somewhat resembling in form the 
tooth of squalus mustelus. 
4. Conicthyodontes striatus. 
5. A fossil tooth, resembling in its form those of sq. ciuereus. 
6. A Bufonites of a large size. 
7. Bufonitce, imbedded in bone. 
8. A fossil tooth of the kind called Plectronitoe. 
9. A small fossil tooth, resembling that of squalus squatina. 
10. A fossil tooth of a fish longitudinally striated. 
11. Fossil tooth, resembling that of the shark in form. 
12. Two Bufonitce. attached to their bony processes. 
13. A recent preparation illustrative of Fig. 16. and 17- 
14. A fossil palate of a fish from Shepey. 
15. Palatum Umax, a body like a slug or leech, being part of a fish’s palate. 
16. A fossil palate or tongue of a fish of the ray kind from Shepey. 
17- Nearly the same as the preceding. 
18. A fossil body with a sharp rugous surface, having been part of a fish’s palate. 
PLATE XX. 
Fig. 1. 
2 . 
1. The horns of the fossil elk of Ireland. 
2. A fossil tooth, perhaps of some animal of the whale kind. 
3. A fossil horn about half its original size from Etampes. 
