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ponent parts. And so it is with the objects which we 

 have been just discussing. When contemplated in a 

 mass, and by an uneducated eye, hosts of them may 

 appear to be identical ; but as our vision becomes clearer 

 and more acute, differences, formerly inappreciable, are 

 gradually made manifest, until at last we can detect 

 modifications innumerable, throughout the entire length 

 of the living panorama ; and are enabled to endorse the 

 belief (repugnant a priori though it be), that individual 

 variations, even to the extent which I have ventured to 

 suggest, are not incompatible with specific similitudes. 



