The Wonder of the World 23 



nearly related fellows, between foes of entirely 

 diverse nature, between the powers of life and the 

 merciless forces of the inorganic world. 



On the other hand, we see the love of mates, 

 family affection, mutual aid among kindred, many 

 quaint partnerships and strange friendships, and 

 intricate interrelations implying at least some 

 measure of mutual yielding. 



On the one hand, as in a human society or in the 

 single body, we see a regulated system, the har- 

 monious working of correlated parts, mutual ad- 

 justments, and the subordination of the individual 

 to the whole. On the other hand, we see strug- 

 gle, friction, anarchy, the natural self-assertive- 

 ness of the individual or of the individual part 

 rising against the limitations imposed by environ- 

 ing circumstances. 



We watch the wondrous industry of birds and 

 bees who work from the dawn until the dusk 

 brings enforced rest to their brains, which we 

 know to suffer fatigue as ours do; on the other 

 hand, we see the parasite's drifting life of ease. 

 Here locust eats locust, and rat eats rat; there, in 

 the combat of stags, lover fights with lover till 

 death conquers both; there, again, a mother ani- 

 mal loses her life in seeking to save her chil- 

 dren. At one pole we see simple, brainless crea- 

 tures pursuing their daily life with what we can 

 hardly call more than dull sentience; at a higher 



