3 3 SCIENCE PROGRESS 



illustrates phenomena of limited distribution or occasional occur- 

 rence ; the products of the widely distributed changes which 

 it is the province of the beginner to study are easily acquired, 

 and it is these which find their proper place in the teaching 

 museum. 



I have in this article advocated the use of physical geography 

 as an educational instrument. Apart from that, it is surely the 

 duty of every educated person to know something about the 

 earth on which he lives. 



