EXPLANATION OF PLATE IX.

Figures four fifths natural size.

Orohippus major.

Fig. 1.—Right femur, anterior view, length estimated.

Fig. 2.—Right fibula.

Fig. 3.—Right tibia, anterior view.

Fig. 4.—Calcaneum.

Figs. 5 and 6.—Astragalus and navicular.

Fig. 7.—Metatarsals and phalanges.