The Discovery of Ruwenzori. 
the sea-level, about the beginning of June. He followed one of 
the north-western valleys of the chain for two days, steering for 
two rocky peaks of a striking conical shape (Twin Cones) which 
had been marked from a distance on the north-west extremity of 
the range. He reached an altitude of 10,677 feet, about 
1,500 feet below the rocky peaks. Here he came in sight of a 
snowy peak which he estimated at 16,600 feet, but which was 
not the highest point. 
Lieutenant Stairs had not an equipment sufficient to 
enable him to remain several days in the mountains. He was 
therefore obliged to cut his exploration short and descend to 
the plain. From the appearance and shape of these mountains 
he thought it possible to maintain their origin to be volcanic. 
NATIVE PORTERS, UGANDA. 
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