524 



THE VERTEBRATE SKELETON. 

 ,1 



FIG. 110. ^4. LEFT PES OF A TAPIR (Tapirus americanus). x. 



.B. RIGHT PES OF A RHINOCEROS (E. sumatrensis). xf. 



C. (CAST OF) BIGHT PES OF Hipparion gracile, xf. 



D. RIGHT PES OF A HOUSE (Equus caballus). x^-. (All Camb. Mus.) 



1. calcaneum. 5. external cuneiform. 



2. astragalus. 6. middle cuneiform. 



3. iiavicular. 7. internal cuneiform. 



4. cuboid. 



