CHAPTER I 



INTRODUCTION 



The world we live in is a fairyland of 

 exquisite beauty, our very existence is a 

 miracle in itself, and yet few of us enjoy as 

 we might, and none as yet appreciate fully, 

 the beauties and wonders which surround us. 

 The greatest traveller cannot hope even in a 

 long life to visit more than a very small part 

 of our earth, and even of that which is under 

 our very eyes how little we see ! 

 \Wh at we do see depends mainly oti^what 

 we look for.^ When we turn our eyes to the 



sky, it is in most cases mei^ely to see whether 

 it is likely to rain. In the same field the 

 farmer will notice the crop, geologists the 

 fossils, botanists the flowers, artists the colour- 

 ing, sportsmen the cover for game. Though 



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