PLATE 21. 
OROCODILIA.— Streptospondylus major. 
Side view of anterior dorsal vertebra; a, fore end; b, hind end. 
Side view of anterior portion of a hinder dorsal vertebra; a, fore end. 
Side view of summit of neural spine of do. 
Back view of do. 
'Top view of summit of do. 
Top view of centrum of hind dorsal vertebra. 
From the Wealden of Sussex, 
