82 



Cebochoerus Gervais. 



ZooJiyus Aymard. 



Diplocus Aymard. 



Ilyaegulus Pomel. 



Microtherium v. M.eyeT=Amphimeryx Pomel. 



Ail a pis Cuv. 



Homaladotherium Huxl. 



OMNIVORA. 



SUPER-FAMILY MERYCOPOTAMOIDEA. 



XL. MERYCOPOTAMLDAE. 



Extinct. 

 Merycopotamus Falc. and Cautl. 



SUPER-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. 



CHOEKOPSINAE. (B.) 

 A. HIPPOPOTAMINAE. 



Hippopotamus Liuu.=Tetraprotodon Falc. and Cautl. 



B. CHOEROPSINAE. 



Choeropsis Leidy. 



Extinct. 

 ( Hippopota minae. ) 

 Hexaprotodon Falc. and Cautl. 



SUPER-FAMILY SETIFERA. 

 XLII. PHACOCHOERIDAE. 



Genus. 

 Phacochoerus F. Cxxv.—Eureodon G. Fisch. 



Extinct genus referred (erroneously?') to Phacochoeridac. 

 Calydonius v. Meyer. 



XLIII. SUIDAE. 



§ I- 

 Babirussa F. Cuv. = Porcus "Wagler. 



