"^ ADAPTA TIOiV NOT SUPREME 



were adapted, all evolution of the living world would be also 

 excluded — there would be stagnation. 



The 'chief evidence for my view of the organic growth of 

 the living world as yet withheld is now to be given : (1) The 

 evidence that external conditions modify organisms, and (2) 

 that characters so acquired are inherited. 



