Art and Science 



overthrow of a system based ostensibly on 

 the accumulation of fortunate accidents. In 

 assigning the lion's share of development to 

 the accumulation of fortunate accidents, he 

 tempted fortuitists to try to cut the ground 

 from under Lamarck's feet by denying that 

 the effects of use and disuse can be inherited 

 at all. When the public had once got to 

 understand what Lamarck had intended, and 

 wherein Mr. Charles Darwin had differed 

 from him, it became impossible for Charles- 

 Darwinians to remain where they were, nor 

 is it easy to see what course was open to them 

 except to cast about for a theory by which 

 they could get rid of use and disuse altogether. 

 Weismannism, therefore, is the inevitable out- 

 come of the straits to which Charles-Dar- 

 winians were reduced through the way in 

 which their leader had halted between two 

 opinions. 



This is why Charles-Darwinians, from Pro- 

 fessor Huxley downwards, have kept the 

 difference between Lamarck's opinions and 

 those of Mr. Darwin so much in the back- 

 ground. Unwillingness to make this under- 



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