Dinosauria. 
PLATE 12. 
The body of the fourth sacral vertebra of a young Zguanodon ; nat. size. 
= 
de 
سر 
. Side view. 
bo 
. Front view. 
. Under view. 
ge دن‎ 
. Upper view, showing the place of the escape of the sacral 
nerves at oo. 
From the Wealden of Tilgate Forest, Sussex. In the British Museum. 
