DEATH AND RESURRECTION. 141 



therefore in every organism but one, 

 whose sole purpose is to circulate the 

 products of the various organs, and 

 thus, so to speak, make each organ 

 represented in every part of the whole 

 community. We find that every or- 

 ganic building is constructed in this 

 way to suit the individuals that form 

 its building-material, and so of course 

 it must be, since it was built for that 

 purpose by the same individuals. 



The consequence is that the degree 

 of development an organism possesses 

 is closely related to the state of evolu- 

 tion reached by the individuals which 

 constitute it. The more perfected the 

 organism, the higher and more devel- 

 oped also are the necessities it is able 

 to satisfy. 



The way in which independent liv- 

 ing beings build such an organic ma- 

 chine may be denned as "division of 

 labor." Every organism is a union, 

 founded on the division of labor, be- 

 tween a multitude of kindred individu- 

 als which thus combine their isolated 1 



