DINOCERATA. 

 Magnum and Unciform of Dinoceras mirabile, Marsh. (Left foot) 



One-half Natural Size. 



Fig. 1 .— :\ragnum ; front view, showing external surface, _ _ 



Fig. 2.-The same ; lateral view, showing face adjoining trapezoid, " ^ ^3 



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



^ ' ' .- j^23 



Fig. 4.— The same ; lateral view, showing face adjoining unciform, " ^ ^3 



Fig. 5.— The same ; superior, or proximal, view, 



Fig. 6.-The same; inferior, or distal, view, showing face for metacarpal articulation,. .^.^^ 113 



Fig. v.— Unciform; lateral view, showing external surface, 



Fig. 8.— The same; front view, showing face adjoining magnum, ' ^^ 



Fig. 9.— The same ; lateral view, showing inner surface, 



Fk;. 10. — The same; j oste -ior view, 



Fig. ll.-The same; superior, or proximal, view, showing faces for lunar and pyramhlaK' ^^^ 117 



Fig. 12.-The same; inferior, or distal, surface for metacarpal articulations. 



ll'i 



