GENERAL BIOLOGY . 5 



with species and the factors of organic evolution. Ob- 

 viously if we were to study any one of these topics to the 

 limits of our knowledge concerning them, we would com- 

 pass the entire realm of the biological sciences so intimately 

 is general biology related to them all. This, however, is 

 just what General Biology should not do; it should, rather, 

 provide a foundation suitable for the further study of any 

 one or all of the many branches of biological science. 



