82 



Cebochoerus Gervais. 



Zoolir/us Aymard. 



Diplocus Aymard. 



Ilt/aegulus Pomel. 



Microtherium v. WLeyeTssAmphimeryx Pomel. 



A(la)>is Cuv. 



Homaladotherium IIuxl. 



OMNIVORA. 



SUPER-FAMILY MESYCOPOTAMOIDEA. 

 XL. MERYCOPOTAMIDAE. 



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. 



CHOEKOPSLNAS. (B.) 

 A. HIPPOPOTAMINAE. 



Hippopotamus L[im.=Tetraprotodon Falc. and Cautl. 



B. CHOEB.OPSINAE. 



Choeropsis Leidy. 



Extinct. 



(Hippopotaminae.) 

 Eexaprotodon Falc. and Cautl. 



SUPER-FAMILY SETIFERA. 

 XLII. PHACOCHOERIDAE. 



Genus. 

 Phacochoerus F. Cnv.=Eureodon G. Fisch. 



Extinct genus referred (erroneously?') to Phacochoeridae. 

 Calydonius v. Meyer. 



XLIII. SUIDAE. 



1. 



Babirussa F. Cuv.=Porct<s Wagler. 



