00 ANIMAL COLORATION. 



most numerous as well as the best examples of special 

 protective resemblances. 



A most instructive case of butterflies has just been added to 

 the Natural History Museum at South Kensington, illus- 

 trating the colour resemblances of a species of Kallima. 

 This butterfly is a native of the East ; it is of large size, and 

 adorned with blue and orange patches upon the upper surface 

 of both fore and hind wings. It is therefore one of the most 



\$6 



Fig. 4. Lappet Moth. 



conspicuous of insects. But this is at once changed when the 

 insect settles upon a twig. The under side of the wings is 

 brownish, and marked with a median line, from which 

 branches are regularly given off. The contour of the wings in 

 this position is oval, terminating in a sharp point anteriorly, 

 while the tails of the hind wings touch the stem of the plant 

 and perfect the remarkable resemblance to a decayed leaf. 

 Furthermore, just as the processes of decay in the leaf are 

 not absolutely alike in any two leaves that is to say, the spots 



