CLASSIFICATION OF MAMJIALS. 



XV 



SCIURID-S {continued) 



1 . Xekus . . 



2. Rhinoscibrds . . 



3. SCIDRUS 



4. Pteromys 



1. Sciuropterus 



2. Pteromys 



5. Tamias . . 



6. Spermophilus . . 



7. Ctnomts 



8. Arctomts 



7. PECTIN ATORID^.. 



8. MURIDiE 



1. Castorin^ 



2. Arvicolin^ 



3. Spalicinje 

 4 SaccomtinjE 



5. Ceicetin^ 



6. SiGMODONTES 



7. Hespeeomtinje 



8. Murine 



9. Sminthin^ 



10. Merionides 



11. DiPODINyE 



MARSUPIALIA. 



1. Entomophaga 



1 . Antechini . . 



2. Phascogale 



2. Sarcophaga 



1. Dasturid^ . . 



2. DiDELPHIDES 



3. Phalangist^ 



3. volitantia 



1. Petauri 



4. Rhizophaga 



1. Phascolomtid^ 



Eecess of 

 Glacial 

 Epoch. 



* 

 * 



* 



Access of 

 Glacial 

 Epoch. 



JMiocene. 



Eocene. 



Secondar)'. 



* 

 * 



* 

 * 



