78 



ZOOLOGY OF THE VOYAGE OF THE BEAGLE. 



WEST COAST 



Valparaiso. 



Mus Renggeri. 

 decumanus. 



Concepcton. 

 Mus longicaudatus. 



Chiloe and Chonos Archipelago 



■ 



Mus brachiotis. 



EAST COAST. 



Buenos Ayres. 

 Mus decumanus. 





Bahia Blanca. 





Mus Braziliensis. 



elegans. 



gracilipes. 



Rio Negro. 

 Mus griseo-flavus. 



Port Desire. 

 Mus canescens. 



St. Julian. 

 Reithrodon cuniculoi'des. 



xanthopygu?. 



Reithrodon cuniculoides. 



Santa Cruz. 

 Mus canescens. 



micropus. 

 xanthopygus. 





Reithrodon cuniculoides. 



Falkland Islands. 

 Mus decumanus. 



Musculus. 



Straits of Magellan. 



Mus xanthorhinus. 

 Magellanicus. 



Reithrodon chinchilloides 



Section— HYSTRICINA 



Family 



? 



Myopotamus Coypus. 



Myopotamus Coypus, Auct 



" This animal, in Chile, is known by the name of " Coypu ;" at Buenos Ayres, 

 where an extensive trade is carried on with their skins, they are improperly 

 called ' nutrias,' or otters. In Paraguay, according to Azara, their Indian name 

 is ' guiya.' On the east side of the continent they range from Lat. 24° (Azara) 



