OA CORNISH CLIFFS. 215 



in a few cases. Just as a flower garden has 

 been intentionally produced by man, so 

 flowers have been unconsciously produced 

 by insects. As a rule, all bright red, blue, 

 or orange in nature (except in the rare case 

 of gems) is due to animal selection, either ot 

 flowers, fruits, or mates. Thus we may say 

 that beauty in the inorganic world is always 

 accidental ; but in the organic world it is 

 sometimes accidental and sometimes de- 

 signed. A waterfall is a mere result of geo- 

 logical and geographical causes, but a blue- 

 bell or a butterfly is partly the result of a 

 more or less deliberate aesthetic choice. 



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