PHYSICAL GEOGSA.PHY AND BOTAmr OF CHILI. 105 



From this list it will be clearly seen that the Andes are much 

 lower in the south than in the north. All our volcano s are 

 situated to the south of Santiago. I have given, above, an 

 account of some of the principal, with notes on their present and 

 past state. 



Between these two ranges is a long valley scarcely interrupted 

 by any transverse chain from the city of Santiago (33° 25^ S.) to 



