442 Darwin, and after Darivin. 



of lime on the one hand, and with degrees of evolution, of 

 change of environment, &c.. on the other. Or, in the 

 words of Le Conte, when dealing with this very subject, " It 

 is impossible to conceive a more beautiful illustration of 

 the principles we have been trying to enforce ^." 



' Evolution and its Relation to Religious Thought, p. 194. 



