TRANSMISSION OF ACQUIRED CHARACTERS. 417 



arc all far too uncertain and inaccurate to have any claim on 

 scientific consideration. 



I believe that I have shown that no botanical facts have been 

 hitherto brought forward which prove the transmission of acquired 

 characters (in the restricted sense), and that there are not even 

 any facts which render such transmission probable. 



A. W. 



NAPLES, ZOOLOGICAL STATION, 

 Jan. ii, 1888. 



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