230 UNDER SURFACES OF 'LEAF' BUTTERFLIES. 



The next illustration (Fig. 29) shews exactly the same 

 butterflies, but arranged, unfortunately, in somewhat 

 different order. In this case the undersides only of the 

 insects are shewn, the wings being in every case shaped 

 and marked like leaves in various stages of decay, many 



Fig. 29. " Lent butterflies" : shewing under (leaf like) surfaces 

 of wings. (See Fig. 28.) 



with blotches and patches of brown or yellow, like the 

 mildew and fungus found on dead or decaying vegetation, 

 and some with small transparent spots upon them, which 

 give the appearance of small holes in dead leaves. These 

 butterflies always rest with the wings folded over the 

 back, the undersides only being exposed, and as they 

 habitually settle amongst the decaying vegetation of the 

 tropical forest the simulation to their environment possesses 



