ANATINB.] 



44 



The proportions of the skeleton are: — Depth of the keel to the length of the sternum as 1 to 

 5. Breadth of the pelvis to its length as 1 to 1 4-5ths. Length of femur to that of tibia as 1 to 

 If. Depth of cranium to its length as 1 to 2j. 



Affinity. The elongated lamellae ally this genus to the two preceding. It appears., 

 indeed, to be precisely intermediate between them and the following. 



