Art and Science 



what impressions are more profound, what 

 needs engage more assiduous attention than 

 those connected with self-protection, the pro- 

 curing of food, and the continuation of the 

 species ? If the mere anxiety connected 

 with an ill-healing wound inflicted on but 

 one generation is sometimes found to have 

 so impressed the germ-cells that they hand 

 down its scars to offspring, how much more 

 shall not anxieties that have directed action 

 of all kinds from birth till death, not in 

 one generation only but in a longer series of 

 generations than the mind can realise to itself, 

 modify, and indeed control, the organisation 

 of every species ? 



1 see Professor S. H. Vines, in the article 

 on Weismann's theory referred to in my pre- 

 ceding article, says Mr. Darwin " held that it 

 was not the sudden variations due to altered 

 external conditions which become permanent, 

 but those slowly produced by what he termed 

 * the accumulative action of changed conditions 

 of life.' ' Nothing can be more soundly La- 

 marckian,and nothing should more conclusively 



show that, whatever else Mr. Darwin was, he 



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