CONTENTS 



PAOF. 



INTRODUCTION . . xvii 



PART I 



FACTOES GOVERNING AND INFLUENCING THE 

 EXISTENCE OF FORESTS 



CHAPTER I 



Soil 



Classification of soils and their functions Their mineralogical origin 

 Their physical properties Soil fertility. 



CHAPTER II 



Climate ... 17 



Factors affecting the climate of the Tropics Days and nights Dis- 

 tribution of rain Saturation of the atmosphere Range of temperature 

 Elevation Description of forests in different rainfall zones. 



CHAPTER III 



Locality 36 



Factors affecting locality Elevation Its effects on forests Prox- 

 imity to the sea or other sheets of water Winds Aspect Con- 

 figuration of the ground. 



vii 



