196 



PHYSIOLOGY OF INSECTS. 



one structure differs from another : to induce a reverential 

 reflection how far above us and our limited powers of com- 

 prehension must be that Being, whose infinite and all- 

 pervading intelligence could plan such a multiplicity of 

 structures, each so beautifully adapted to peculiar appetites 

 and peculiar habits, those very appetites and habits being 

 given to the possessor in order that it should perform some 

 important office in the economy of nature. 



