84 



The Colours of Animals. 



butterflies and moths, as you may see by turning over 

 the illustrations of any monograph of the group. 

 They exist among the Hawk-moths as, for in- 

 stance, in the Humming-bird Hawk-moth ; they 



Fig. n. The Caterpillar of the MARBLED WHITE 

 BUTTERFLY (Arge galathea). 



occur in many butterflies, especially in those which 

 feed on grass ; and in many moths. But you will 

 find that the smallest caterpillars rarely possess 

 these white streaks. As regards the second point, 



