CLASSIFICATION. 47 



Suborder (2). CONDYLARTHRA. 

 Family Phenacodontidae. Phenacodus. 



Suborder (3). HYRACOIDEA. 

 Family Hyracidae. Procavia (Hyrax). 



Suborder (4). AMBLYPODA. 

 Family Coryphodontidae. Coryphodon. 

 Family Uintatheriidae. Uintatherium (Dinoceras). 



Suborder (5). PROBOSCIDEA. 

 Family Dinotheriidae. Dinotlierium. 

 Family Elephantidae. Mastodon. 



Elephas elephant. 



Group TlLLODONTIA. 



Order 5. RODENTIA. 

 Suborder (1). SIMPLICIDENTATA. 



Section SCIUROMORPHA. 

 Family Castoridae. Castor beaver. 



Section MYOMORPHA. 

 Family Lophiomyidae. Lophiomys. 

 Family Muridae. Hydromys. 



Acanthomys spiny mouse. 

 Mus mouse. 



Family Spalacidae. Bathyergus. 

 Family Dipodidae. Dipus jerboa. 



Pedetes Cape jumping-hare. 



Section HYSTRTCOMORPHA. 

 Family Hystricidae. Hystrix porcupine. 

 Family Chinchillidae. Chinchilla. 



Lagostomus viscacha. 



