ie* 



HlSTOllt AND HABl'lS. 



or entirely suspend vital activities temporarily, and this is determined by 

 the circumstances under which each species lives. 



General statements are nearly impossible as they are certain to convey 

 false ideas. Throughout it must be remembered that every species of in- 

 sects is distinct from every other species in habits, and that every species 

 has as much individuality as each human being, no two species living 



FIG. 34. 



Cicada, slightly enlarged. 



under identical conditions. We can go much further than this, since 

 even species are not well marked and shade imperceptibly into one another, 



FIG. 35. 



A. Hairy Caterpillar, and its pupa with the cocoon formed of silJc and hairs made by 

 the caterpillar lefore it becomes a pupa. 



