MR. M IV ART AND MR. DARWIN. 283 



varied successfully, intermarrying, are, I think, greater 

 than the reviewer above quoted from would admit. I 

 believe that on the hypothesis that the variations are 

 fortuitous, and certainly on the supposition that they 

 are intelligent, they might be looked for. in members of 

 the same family, who would hence have a better chance 

 of finding each other out. Serious as is the difficulty 

 advanced by the reviewer as against Mr. Darwin's 

 theory, it may be in great measure parried without 

 departing from Mr. Darwin's own position, but the 

 3 little dose of judgement and reason " removes it, 

 absolutely and entirely. As for the reviewer's ship- 

 wrecked hero, surely the reviewer must know that Mr. 

 Darwin would no more expect an island of black men 

 to be turned white, or even perceptibly whitened after 

 a few generations, than the reviewer himself would do 

 so. But if we turn from what "might" or what 

 "would" happen to what "does" happen, we find 

 that a few white families have nearly driven the 

 Indian from the United States, the Australian natives 

 from Australia, and the Maories from New Zealand. 

 True, these few families have been helped by immi- 

 gration; but it will be admitted that this has only 

 accelerated a result which would otherwise, none the 

 less surely, have been effected. 



There is all the difference between a sudden sport, 

 or even a variety introduced from a foreign source, and 

 the gradual, intelligent, and, in the main, steady, growth 

 of a race towards ends always a little, but not much, in 

 advance of what it can at present compass, until it has 

 reached equilibrium with its surroundings. So far as 



