CHAPTER XIII. 

 Concluding Remarks. 



To recapitulate, the controversy stands thus : 



1. Darwin says, that variations or improvements 

 arise among animals and plants, under domestication. 



This has been conceded. 



2. Darwin's next proposition, is, Descent with Modi- 

 fication : That is, that when a modification is acquired 

 by an individual, the law of Inheritance generally 

 transmits the acquired character to the offspring. 



This, also, has been conceded. 



3. Another proposition of Darwin, is, That many 

 organs, or characters, after having been in a state of 

 full development, have been so wrought upon by the 

 adverse conditions of Nature, as to become, viz., some 

 of them, slightly reduced; others of them, greatly re- 

 duced, having the character of rudiments merely; and 

 others of them, completely suppressed, leaving not a 

 vestige of their past development. 



This proposition, also, has been fully conceded. 



4. A proposition, which Darwin formulates respect- 

 ing these reduced and suppressed organs and char- 

 acters is, viz., That, given, favorable conditions these 

 reduced and these suppressed characters are compe- 

 tent to reappear, and on many occasions have reap- 



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