INTRODUCTION XT 



our geography becomes geogeny, that is, it 

 develops from mere empirical world-descrip- 

 tion into a rational vision of world-develop- 

 ment. And correspondingly, the abstract of 

 this, which is our evolution doctrine, becomes 

 applicable in education and in social life. 



Enough, then, of introductory outline; in 

 the following chapters we endeavour to eluci- 

 date some of these large propositions more 

 clearly. 



