26 



Life histoe^ and habi'is. 



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

 the circumstances imder which each species lives. 



General statements are nearly impossible as they are certain to convey 

 false ideas. Throug-hout 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 individuahty as each human being*, no two species living 



Fig. 34. 

 Cicada, slightlt/ enlarged. 



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

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



:^^t 



Fig. 35. 



A Hairy Caier^iUar, and ils pupa icith the cocoon formed of silk and hairs made ly 

 the caterpillar lefore it lecomes a pvpa. 



