PROTECTION BY MIMICRY. 



383 



insects is familiar with numerous instances of this kind. 31 any 

 Mills and quadrupeds that are regularly hunted by men have 

 become extremely rare in many places, because, though they are 

 to a great degree protected against their enemies among other 

 animals, bv the resemblance of the colours of their feathers or 



FIG. 102. Grasshoppers that are protected by their resemblance to leaves, a. ttyllit<m 

 tiftifolium. feeds on leaves and mimics fresh leaves. 6, Acanthops sp.. one of the 

 Mantidcf, feeding on creatures which it captures among dry vegetable matter; it exactly 

 mimics dry leaves. From the Philippines. Half naturai size. 



fur to the objects among which they live, man can employ a 

 A*aiiety of means of attack or pin-suit against which the protec- 

 tion of resemblance is ineffectual. The zoologist who should 

 attempt to capture the perfectly transparent creatures which 

 swim at the surface of the sea without using a net for straining 



