PLATE XVIII. 



All figures three-fourths natural size. 

 Procamclus major. 



Fig. i . Right astragalus. Posterior view. 



Figs. 2, 3, and 4. Proximal, median, and ungual phalanges. 



Procamclus medius. 



Fig. 5. Right astragalus. Posterior view. 

 Fig. 6. Proximal phalanx. 



Procamelus minimus. 



Fig. 7. Right astragalus. Posterior view. 

 Figs. 8, 9, and 10. Proximal, median, and ungual phalanges. 



Hippotherium plii v t life. 

 Fig. n. Proximal phalanx. 

 Fig. 12. Left metatarsal. Proximal end. 

 Fig. 13. Left metacarpal. Proximal end. 

 Fig. 14. Left astragalus. 



Hippotherium gratunt. 

 Fig. 15. Left astragalus. 

 Fig. 1 6. Proximal phalanx. 



