156 WHAT EVOLUTION IS 



mount into the tens of thousands at 

 the very least. Among the other co- 

 lonial animals the classes of perform- 

 ance are to be counted at most in 

 scores. In the beehive, the drones 

 have as their one duty the fertiliza- 

 tion of the queen, the queen is service- 

 able only in that she lays eggs, and 

 finally the worker performs the ordi- 

 nary duties of caring for the young, 

 procuring food, cleaning the hive and 

 the like. Compare for a moment the 

 relative simplicity of even so complex 

 a situation as that in the beehive with 

 the enormous intricacies of human 

 life and civilization, where blood- 

 relationship is most diverse and per- 

 formance is specialized to an almost 

 incredible degree. These aspects of 

 human society set it in strong contrast 

 with the social organizations of all 

 other animals. 



Another feature, in which man 



