Chapter III. 
inundate, tear up, and destroy everything upon their path, 
and are said to be not infrequent in Uganda. 
The changes of weather are, as a rule, sudden. In a few 
minutes the sky, up till then clear or scarcely veiled with a 
light cloud, grows black as midnight and threatening. With 
equal rapidity, after a brief period of rain the heavy dark 
clouds are dispelled bv the blazing sun. 
BUILDING A HUT. 
The duration of the marches was from three to six 
hours, during which period from 10 to 18 miles were covered. 
The porters, as a rule, walk fast; in some places they nearly 
run. The caravan usually started with the dawn, about 5.30 ; 
and stopped by midday so as to rest during the hot hours. 
On the march the caravan covered nearly half a kilometre. 
80 
