_Figures one third natural size._
Uintatherium leidianum.
Fig. 1.--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 vertebræ.
[Illustration]