284 
iG 
Fic. 2. 
FIG. 3. 
FIG. 4. 
COPE. 
EXPLANATION OF PLATE XII. 
Vertebre, asin Plate XJ. 
Mesonyx obtusidens, from specimen in Mus., Princeton College, 
Canis lupus. 
Uncia concolor. 
Simia nigra. 
