540 



ning alike from S. W. to N. E. The culmi- 

 nant points of those two systems rise to 1138 

 and 1040 toises. Such are the elements of this 

 curve, of which the convex summit is placed in 

 the chain of the shore of Venezuela : 



AMERICA, ON THE EAST OF THE ANDES. 



SYSTEMS OF MOUNTAINS. 



Groupe of Brazil 



Groupe of Parime 



Chain of the shore of Ve- £ 

 nezuela i 



Groupe of the West Indies... 

 Chain of the Alleghanies 



MAXIMA OF HEIGHTS. 



Itacolumi... 900 1. 



(south lat. 20j o ). 



Duida 1300 



(north lat. 3|°). 



Silla de Caraccas.... 1350 

 (north lat. 10|°). 



Blue Mountains. 1138 



(north lat. 18f). 



Mount Washington. 1040 

 (north lat. 44| 0 ). 



I have preferred indicating in this table the 

 culminant points of each system, to the mean 

 height of the line of elevation ; the culminant 

 points are the results of direct measures, while 

 the mean height is an abstract idea somewhat 

 vague, above all when there is only one groupe 

 of mountains, as in Brazil, Parime, and the West 

 Indies, and not a continued chain. Although 



