PLATE CCXI 



Left Unciform 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; 2, medial or inner view (radial side); 3, posterior view; 4, lateral or outer view (ulnar side); 5, proximal view; 

 6, distal view. I, Facet for articulation with lunar; m, facet for articulation with magnum; mcIII, facet for articulation with 

 third metacarpal; tncIV, facet for articulation with fourth metacarpal; mcV, facet for articulation with fifth metacarpal; 

 p, facet for articulation with cuneiform (pyramidal). The ligamentous and muscular attachments of these elements are given 

 on pages 716, 717. 



