Color in Nature 



335 



whicli are best adapted to their environment. AVith seleetion 

 then as a framework a number of theories have been ad- 

 vanced in explanation of animal colors. 



The first of these is that of protective color which may be 











Protective Form and Color in Animals 



A. Woodcock on her nest. From a photograph by Dugniore. 



B. Night hawk on a log. 



C. Toad on ground. 

 1). Tree toad on hark. 



E. Tree lizards on oak bark. 



F. Caterpillar on twig. 



From Metcalf , ' ' Organic Evolution. ' ' 



By permission of the Macmillan Company. 



either general or specific. '^ Camouflage" is not a new art 

 to animals, and man in adapting it to his own use has been' 

 merely following the advice of Solomon, and learning wis- 

 dom from the humbler creatures of field and forest. The 

 existence of a close resemblance between many animals and 



