PLATE XXXIII. 
Ichthyosaurus. 
Fig. 
1. Restoration of bones of pectoral paddle, in outline, ^ nat. size. 
2. Articular surface of centrum of Ichthyosaurus latimanus. 
3. Side view of centrum of Ichthyosaurus brachyspondytus. 
4. Articular surface of do., do. 
5. Neural surface of do., do. 
6. Articular surface of post-abdominal vertebra of do. 
7. Side view of centrum of Ichthyosaurus latimanus. 
Pigs. 2 — 7 are of the natural size. 
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