STUDY VII. 5 



their territory rifes infenfibly from the fhores of 

 Brafil, up to the mountains of Peru ; which, giving 

 it a greater elevation in the Atmofphere, procures 

 for it, Hkewife, a greater degree of coolnefs. 

 Fourthly, in a word, the Eaft-winds, which blow 

 there inceflantly, night and day, are always con- 

 tributing to that coolnefs. 



Finally, the colour of all thofe Nations is fo 

 much the effed of Climate, that the defcendants 

 of Europeans, fettled there, allume the black tint 

 after a lapfe of fome generations. This is evi- 

 dently perceptible in India, in the pofterity of the 

 Moguls, tribes derived from the extremity of Afia, 

 whofe name lignifies whites^ and who are this day 

 as black as the Nations which they have con- 

 quered, 



Tallnefs of llature no more charafterizes fpe- 

 cies, be the genus what it may, than difference of 

 colour. A dwarf and a large apple-tree proceed 

 from the fame grafts. Nature, however, has ren- 

 dered it invariable in the Human Species alone, 

 becaufe variety of magnitude would have deftroy- 

 ed, in the phyfical order, the proportions of Man 

 with the univerfality of her productions, and be- 

 caufe it would have involved, in the moral order, 

 confequences flill more dangerous, by fubjeding, 



B 3 beyond 





