CHAPTER XXI 



GENESIS OF MAN, INTELLECTU- 

 ALLY 



THE chief difficulty which most persons 

 find in accepting the Doctrine of Evo- 

 lution as applied to the origin of the 

 human race is the difficulty of realizing in im- 

 agination the kinship between the higher and 

 the lower forms of intelligence and emotion. 

 And this difficulty is enhanced by a tendency of 

 which our daily associations make it hard to rid 

 ourselves. There is a tendency to exaggerate 

 the contrasts which really exist, by leaving out 

 of mind the intermediate phenomena and con- 

 sidering only the extremes. Many critics, both 

 among those who are hostile to the development 

 theory and among those who regard it with 

 favour, habitually argue as if the intelligence and 

 morality of the human race might be fairly re- 

 presented by the intelligence and morality of a 

 minority of highly organized and highly edu- 

 cated people in the most civilized communities. 

 When speaking of mankind they are speaking 

 of that which is represented to their imagination 

 by the small number of upright, cultivated, and 



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