﻿PLATE XII. 



Omosaurus armatus. 



Fig. 



1. Front-view of a dorsal vertebra. 



2. Upper- view of the centrum of a dorsal vertebra. 



3. Side-view of the same. 



The figures are of half the natural size. 

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



