CHAPTER II 

 BIOLOGICAL CONTROL 



We may define nature as the sum total 

 of that which is experienced. This in- 

 cludes ail that is presented to us through 

 our senses and also the act of experiencing. 

 This is our cosmos of which each of us 

 is part. Natural processes are not dis- 

 orderly. And the life that experiences 

 these processes also runs an orderly course. 

 Natural science Is the aggregate of this 

 experience as formulated In an orderly or 

 lawful system. In natural science we 

 search for facts and their meanings, that 

 is, their relationships. 



In a scientific inquiry we must first mar- 

 shall the facts as we experience them. 

 These experiences are then fitted together 

 in a unitary system of natural events and 

 the gaps in our knowledge filled in as best 

 we may by faultless logical process. Nat- 

 ural science is not merely facts, nor facts 

 classified according to some arbitrary 

 system. It Is facts in their natural rela- 

 tionships. And these relationships can be 



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