Chapter IV. 
it can be crossed dry-shod, leaping from stone to stone. A 
tree trunk thrown across the stream made the passage easier 
for the porters. 
The enormous difference in the volume of the Mobuku River 
at Ibanda and above Nakitawa must be specially due to the 
FOREST ABOVE BIHUNGA. 
influx of the Bujuku River below the latter point, and points 
to the conclusion that the supposed tributary is really the more 
important of the two rivers. 
The flat valley bottom is a lake of mud upon which grows 
a forest, nearly entirely composed of bamboos. The path 
is all water and mud. You sink in to the knee. Under the 
mud the foot meets with stones or pieces of wood, or is caught 
in a creeper or a fallen trunk, making it necessary to grasp the 
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