AMERICAN RACES. 105 



At the earliest age it has more or less of a coppery tinge chap. ix. 

 in most of the tribes, while in others the childeni are ,,.«■ 



' , 1 /-. UifferenccE 



fair, or nearly so ; and certain tribes on the Orinoco in colour. 



preserve the same complexion during their whole life. 



Humboldt is of opinion that these differences in colour 



are but slightly influenced by climate or other external 



circumstances, and endeavours to impress the idea that 



they depend on the original constitution. 



