ii IMMUTABILITY OF SPECIES 101 



be childish and grotesque. Mr. Moore 

 has reminded us, too, that both among 

 the Fathers and the Schoolmen of the 

 Christian Church there was no antipathy 

 to the idea that animals were, somehow, 

 genetically related to each other. I 

 doubt whether there is now any man 

 of common education who believes, for 

 example, that each of the many kinds of 

 wild pigeons which are spread over the 

 globe, and which are all so closely related 

 to each other by conspicuous similarities 

 of form, were all separately and individu- 

 ally created out of the raw materials of 

 nature. 



Lord Salisbury in his Address says 

 that one thing Darwin has done has been 

 to destroy the doctrine of the immuta- 

 bility of species. This may be true of 

 absolute immutability, which can be 

 asserted of nothing that exists in this 

 world. Yet it does not follow that the 



