DINOCERATA. 

 Metacarpals of Dinocekas mikabile, Marsh. (Left foot.) 



One-half Natural Size. Pa^e. 



Fig. 1. — First metacarpal; front view, jo^ 



Fig. 2. — The same; lateral view, showing inner, or tibial, side, . 12I 



Fig. 3. — The same; posterior, or palmar, view, _ 121 



Fig. 4. — Tlie same ; lateral view, showing outer, or ulnar, side, ._ 12I 



Fig. 5. — The same; proximal end, 121 



Fig. 6. — The same; distal end, 121 



Fig. 1. — Second metacarpal; front view, 122 



Fig. 8. — The same; lateral view, showing inner, or radial, side, 122 



Fig. 9. — The same ; posterior, or palmar, view, 122 



Fig. 1 0. — The same ; later.al view, showing outer, or ulnar, side, 122 



Fig. 1 1. — The same ; proximal end, 122 



Fig. 12.— The same; distal end, 122 



