﻿PLATE XIII. 



Omomurus armatus. 



Fig. 



1. Back-view of the neural arch of the dorsal vertebra, fig. 1, PI. XII. 



2. Side-view of the neural arch of the same vertebra. 



3. Side-view of the centrum and base of neurapophysis of the same. 



The figures are of half the natural size. 



From the Kimmeridge Clay of Swindon, Wilts. 



In the British Museum. 



