CHAPTER XXXIII 



COLORS AND MARKINGS OF ANIMALS, AND 



THEIR USES 



The colors and markings of animals are among the most 

 conspicuous of their external characters, and constantly 



FIG. 224. Owl butterfly, Caligo, under side. (Two thirds natural size.) 



incite us to ask how they are produced and why they are 

 of such great variety. As no more familiar or interesting 

 examples of color patterns can be found than those on the 



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