Cannon-bones, half nat. size.

Fig. 9a.

Eric.

Fig. 9b.

Protohippus.

Fig. 9c.

Hypohippus.

Fig. 10.—Fore and hind foot, Eohippus, ½ nat. size.

Fig. 11.—Fore and hind foot, Orohippus, ½ nat. size.

Fig. 11a.