OF NATURAL HISTORY. 463 



though the female be impregnated by the fame male, not one of 

 them has the fame colours with another. 



Domeftication not only changes the external appearances of ani- 

 mals, but alters or modifies their natural difpofitions. The dog, for 

 example, when in a ftate of liberty, is a rapacious quadruped, and 

 hunts and devours the weaker fpecies : But, after he has fubmitted 

 to the dominion of man, he relinquifhes his natural ferocity, and 

 is converted into a mean, fervile, patient, and parafuical flave. 



CHAP. 



