Cordillera (rfthe Andes. 353 



any errors exist, they must be very trifling, or at least errors 

 which cannot be called gross. If, then, we except three or four 

 points among those which are marked in the following tables, 

 all the other determinations of heights are the result of barome- 

 tric measures, frequently repeated with the excellent instruments 

 of M. Fortin. 



Heights of' Mountains in Upper Peru, above the Level of the 

 Sea *. 



Eastern Cordillera. 



Feet. 



1. Nevado di Sorata^ . - . _ 25,250 



It is the loftiest summit in this range, and is considerably 

 higher than the former loftiest summit of the New 

 World, Chimborazo, which is only 21,425 feet abore 

 the sea. 



2. Nevado di Illimani, which is situated to the eastward of 



the city of La Paz, is - - - - 24,350 



3. Cerro de Potosi, ... - 16,037 



This is the famous metalliferous mountain, which gives 

 name to the neighbouring city- The highest point 

 where mines are worked in the Cerro de Potosi, is 15,912 



Western Cordillera. 



1. Mountain of Tajora, or Chipicani, - - 18,898 



2. Mountain of Pichu. — Pichu, composed of trachite, - 18,603 



3. Volcano of Arequipa, - . . . 18,373 



This is the most perfect and picturesque volcanic cone 

 in the whole range of the Andes. 



Passes (Cols) of the two Cordilleras. 

 Pass of Atlos de los Huessos, is - - - 13,605 



This pass is on the southern base of the volcano of Are- 

 quipa. The name is from the circumstance of its 

 being strewed over with numerous bones of beasts of 

 burthen, who have perished during the journey : Hues- 

 sos, in Spanish, signifying bone or bones. 

 Pass of Paquani, . - - . . j 5,227 



• The following are some terms of comparison : — 



English Feet. 



Javaher, in the Himalaya, . . . 25,745 



Chimborazo, in the Andes of Quito, . . 21,425 



The Elbruz, in the Caucasus, according to Dr Kupfer, 16,411 



Mont Blanc, ..... IA,781 



Peak of Tenerifle, . . . 12,172 



Malahasen, in Granada, in Spain, . . ll,b'G3 



La Malahite, in the Pyrenees, . . 11,421 



JANUARY — MAllCH 1830. E 



