PLATE CCXIV 



Fourth Lkft Metacarpal of the Type of Brontops robustus Marsh 

 Plate prepared under the direction of Professor Marsh. One-half natural size. (See p. 668) 



1, Anterior view; la, section at point marked by dotted line; 2, medial or inner view (radial side); 2a, outline of section at point 

 indicated by dotted line; 3, posterior view; 4, lateral or outer view (ulnar side); 5, proximal end; 6, distal end. m, Facet 

 for articulation with magnum; mcIII-mcIII' , facets for articulation with third metacarpal; mcV, facet for articulation with 

 fifth metacarpal; p/i, facet for articulation with first phalanx; s, facet for articulation with sesamoid; un, facet for articulation 

 with unciform. The principal ligamentous and muscular attachments of this element are given on pages 716, 717. 



