

PLATE 20. 



Crocodilia. — Plesiosuchus Mansellii. 



Fig-. 

 1. 



2. 

 3. 

 4. 

 5. 



Upper view of skull, one sixth natural size. 



Under view of part of palatal surface of the same, one sixth natural size. 



Side view of a dorsal vertebra of the same, natural size. 



Portions of an upper and lower tooth of the same, natural size. 



Upper view, in outline, of the skull of the type-species of the genus Steneo- 



saurus, Geoffroy St. Hilaire (after Cuvier, ' Ossemens Fossiles,' 4to, vol. v, 



pt. ii, pi. vii, fig. 13, one twelfth natural size). 

 6. Under view of part of the palatal surface of the skull of another specimen of 



Geoffroy' s Steneosaurus (after Cuvier, ' Ossemens Fossiles,' ut supra, fig. 



8, one fourth natural size. 



The specimens of Plesiosuchus are from the Kimmeridge Clay, Dorsetshire, 

 and are in the British Museum of Natural History, Cromwell Eoad. 



