﻿PLATE XVIII. 



Omosaurus armatus. 



Fig. 



1. Anconal surface of the fourth left metacarpal. 



2. Radial surface of the same. 



3. Anconal surface of a third left metacarpal. 



4. Ulnar surface of the same. 



5. Proximal end of the same. 



6. Distal end of the same. 



All the figures are two thirds the natural size. 



From the Kimmeridge Clay at Swindon, Wilts. In the British Museum. 



