PLATE CCXXV 



Left Navicular and Left Cuboid of the Type of Brontops robustus Marsh 

 Plate prepared under the direction of Professor Marsh. One-half natural size. (See p. 669) 



1, Left navicular, external view; 2, the same, internal view; 3, the same, posterior view; 4, the same, external view; 5, the same, 

 superior view; 6, the same, inferior view; 7, left cuboid, anterior view; 8, the same, internal view; 9, the same, posterior 

 view; 10, the same, external view; 11, the same, superior view; 12, the same, inferior view, a, Astragalar facet; c, calcanear 

 facet; ec, ectocuneiform facet; m, mesocuneiform facet; mtlll, facet for metacarpal III ; mtIV, facet for metacarpal IV. 

 The principal ligamentous and muscular attachments of these elements are given on page 724. 



