444 E. L. Troxell — Entelodonts in Marsh Collection. 



whose diameters are 42 and 36 mm. Both of these teeth 

 have the strong cingulum aronnd the base of the metacone 

 as in M. zygomaticus (fig. 16). Each molar is narrower 

 behind than in front. The very high proto- and meta- 

 coirules in M 3 are an nnnsnal feature in this tooth. 



Fig. 20. — Clioerodon caninus, gen. et sp. nov. Genoholotype. Cat. No. 

 11665. Palatal view of skull. One-fifth nat. size. 



In the mandible, the heavy tubercles directed downward 

 and ontward are located some f onr centimeters in advance 

 of the beginning of the symphysis. They are long, 35 

 mm., slightly enlarged on the ends and flat posteriorly. 

 The chin in front of the canines is broad, 110 mm., and 



