PLATE IV. 



Theriosuchus pusillus. 

 Fig. 



1 . Portion of skull, trunk-vertebrae, and bones of fore limbs. 



2. Bones of right hind limb and ridged caudal scutes of the same skeleton, 



3. An un ridged scute with peg, a. 



4. Under surface of a scute, showing peg and groove, h. 



All the figures are of the natural size. 



Prom the Middle Purbeck ; in the British Museum. 



