Chapter III. 
The colour of the earth is a brick-red throughout the district. 
The vegetation is distributed according to accidents of the soil. 
The high ground, the top of the hills, and their slopes are 
covered with deep grass and occasional single trees or groups of 
a few trees set in brushwood. The valley bottoms where water 
flows are covered with luxuriant forests. Where the waters 
BETWEEN SWAMP AND FOREST. 
stagnate stretch"‘vast swamps covered with gigantic papyrus, 
under whose shade flourishes a rich growth of aquatic plants. 
From the higher ridges, as far as the eye can reach, 
stretches an undulating plain, whose rounded hillocks, covered 
with deep yellow grass, are diversified by low-lying strips of 
dark green forest. 
