ORIGIN OF RACES. 97 



the eye. And one of the questions on which 

 this testimony bears is a question of para- 

 mount importance in determining the anti- 

 quity of the Human Family. That question 

 is not the rise of Kingdoms, but the 

 origin of Races. The varieties of Man 

 are a great mystery. The physical dif- 

 ferences which these varieties involve may 

 be indeed, and often are, much exaggerated. 

 Yet, these differences are distinct, and we 

 are naturally impelled to ask When and How 

 did they begin ? These are two separate 

 questions ; but the one bears upon the other. 

 The question When stands before the ques- 

 tion How. The fundamental problem to be 

 solved is this : Can such varieties have 

 descended from a single stock ^ And if 



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