WlLLISTON.] 



Crocodiles. 



77 



Fig. 3 



process, the base only of which is present, but which appears 

 to be short. In shape and appearance the centrum agrees well 

 with one of Hyposaurus rogersii, from New Jersey, except in its 

 more cylindrical shape. Its measurements are as follows : 



Length of centrum 40mm. 



Transverse diameter of articulating face 50 " 



Vertical diameter of same face 38 " 



"The upper end of a femur (f. 3) found in the same region, 

 and from near the Red Beds, appears to belong to the same kind 

 of an animal as does the vertebra described above. The shape 

 is not unlike that of a human femur, with the trochanters evi- 

 dently small and placed much below the level of the head. The 

 neck is stout, the head gently convex, with an angular border. 

 The shaft below the trochanters is somewhat flattened from be- 



