50 



INTRODUCTION. 



Mammalian fauna. ' S C0nt ' ne "">asarich 



* supposed may have b e , ' 



I 



particular grou p of this 7 , '"' & " d to one 

 Rat-tribe. S rder -the Muri da > * or 



The above remarks refer on!,, 

 At former periods we have S* ^ S P ecie - 

 'onging to S. Marl up t ta h a d tm 6 ^T 1 * be ' 

 m fact they inhabited h Wlder ran - 



-d South America ^ " Wdl as 



and he o0 ve 

 that the ramus of a er jZ T '] ? h '' S pinion ' 

 fi eW oolite, belonJd to f W ' foUndln '^Stones- 

 Opossum. M.DeB] a i nv ammal a " ied to the 

 s doubts as regards he 



conen ce 

 -papers before 



- 277, and - Oasemeus 



