THE LEAF-BUTTERFLY, KALLIMA, ILLUS- 

 TRATING PROTECTIVE COLORATION 



A. The butterfly with outspread wings, the upper 

 surface of which is beautifully colored, with blue, 

 orange, and other tints. 



B. The butterfly has settled down on a twig, opposite 

 three withered leaves, and it has, as is usual with 

 resting butterflies, folded its wings together vertically. 

 Thus the under surface, which is colored brown, is 

 exposed. It harmonizes adaptively with the withered 

 leaves. Moreover, the venation of the wings is like the 

 venation of a leaf. This is a good example of adaptive 

 coloration. The butterfly puts on a cloak of invisibility. 



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