Chap. VI] EnAPIIIC IXFLUKNCICS IN THE TROPICS 



3«3 



extremely impoitniit. 1?\- the infiltration of water from ri\ers and lakes, 

 conditions for forest growth arc secured in grassland districts, and 



Fig. .'07. Exterior of a bamboo-wood. Left hand : Areca Catechu. Java. Krom a photograph. 



tropophilous or xerophilous deciduous forest is transformed into hygro- 

 philous evergreen forest. Stagnant water occasions still more fundamental 



