83 
we 
Potamochoerus Gray== Choiropotamus Gray. 
Sus Linn. 
Sus Gray. Scrofa Gray. 
Centuriosus Gray=Gyrosus Gray=Ptychochoerus Fitz. 
Porcula Hodgson. 
Extinct genus incerte sedis. 
Hippohyus Fale. and Cautl. 
XLIV. DICOTYLIDAE. 
Genera. 
Dicotyles Cuy. 
Notophorus Gray. 
Extinct. 
Platygonus Lec., Leidy.=Hyops Lec.=Protochoerus Lec.=Euchoerus Leidy. 
Leidy. ) 
SUPER-FAMILY ANTHRACOTHEROIDEA. 
XLV. ANTHRACOTHERIIDAE. 
Extinct. 
SUB-FAMILIES, 
A. Premolars of upper jaw in part (PM 4) resembling the true molars, 
and with tubercles in transverse series (+ |<) separated by transverse 
vallies; the preceding (PM 3, 2,1) successively more and more differ- 
entiated forwards. 
(Fide 
HYOPOTAMINAE, (A.) 
B. Premolars (PM 4, 3, 2, 1) of upper jaw all differentiated from the true 
molars, and each with a conical crown and a small inner lobe. 
ANTHRACOTHERIINAE, (B.) 
A, HYOPOTAMINAE. 
Hyopotamus Owen. 
Bothryodon Aymard=Ancodus Pomel. 
B. ANTHRACOTHERIINAE, 
Anthracotherium Cuv. 
Elotherium Pomel. 
EXTINCT OMNIVORA?t INCERTZ SEDIS. 
Choeropotamus Cuv. 
Palaeochoerus Pomel== Cyclognathus Croizet = Brachygynathus Pomel = Synaphodus 
Pomel. 
Choeromorus Lartet. 
Entelodon Aymard. 
Heierohyus Gervais. 
Acotherulum Gervais. 
Choerotherium Fale.—=Tetraconodon Fale. 
