EXPLANATION OF PLATE VI. 



Figures one third natural size. 

 UlNTATHERIUM LEIDIANUM. 



Fig. i. Cervical vertebra, fifth or sixth, anterior view. 

 Fig. 2. Dorsal vertebra, anterior region, view of left side. 

 Fig. 3. Dorsal vertebra, middle region, posterior view. 

 Fig. 4. Last lumbar vertebra, view of right side. 

 Fig. 5. Last lumbar vertebra, posterior view. 

 Fig. 6. Caudal series, first four vertebrae. 



