82 



Cebochoerus Gervais. 



Zooligus Aymard. 



Diplocus Aymard. 



Hyaegulus Pomel. 



Microtherium v. M.eyer=Amphimeryx Pomel. 



Adapts Cuv. 



Homaladotherium Huxl. 



OMNIVOEA. 



SUPER-FAMILY MERYCOPOTAMOIDEA. 

 XL. MERYCOPOTAMIDAE. 



Extinct. 

 Merycopotamus Falc. and Cautl. 



SUPEE-FAMILY HIPPOPOTAMOIDEA. 

 XLI. HIPPOPOTAMIDAE. 



SUB-FAMILIES. 



A. Skull depressed between the orbits and with the frontal sinus ob- 

 solete ; the orbits prominent above the level of the forehead, and closed 

 behind. 



HIPPOPOTAMINAE. (A.) 



B. Skull convex between the orbits and with the frontal sinus well 

 developed ; the orbits depressed below the level of the forehead and 

 incomplete behind. 



CHOEROP&INAE. (B.) 

 A. HIPPOPOTAMINAE. 



Hippopotamus Liun.=Tetraprotodon Falc. and Cautl. 



B. CHOEROPSINAE. 



Choeropsis Leidy. 



Extinct. 



(Hippopotaminae.) 

 Hexaprotodon Falc. and Cautl. 



SUPEK-FAMILY SETIFERA. 

 XLII. PHACOCHOERIDAE. 



Genus. 

 Phacochoerus F. C\iv.-=.Eureodon G. Fisch. 



Extinct genus referred {erroneously?') to Phacochoeridae. 

 Calydonius v. Meyer. 



XLIII. SUIDAE. 



J.I. 



Babirussa F. Cuv.=Porcus Wagler. 



