DINOCERATA. 

 Metacarpals of Dinoceras mirabile, Marsh. (Left foot.) 



One-half Natural Size. Page. 



Fig. 1. — Fourth metacarpal ; posterior, or palmar, view, 124 



Fig. 2. — The same; lateral view, showing outer, or ulnar, .side, 124 



Fig. 3. — The same ; proximal end, . 124 



Fu;. 4. — Fifth metacarpal ; front view, 127 



Fig. 5. — The same; lateral view, showing inner, or radial, side. 127 



Fig. (5. — The same; posterior, or palmar, view, . -, 127 



Fig. 7. — The same; lateral view, showing ulu.ar side,.. 127 



Fig. 8. — The same; proximal end, . .-- 127 



Fig. 9.— The same; distal end, _ - ,_ 127 



