ward to greater speed by the sharp spear of the white man; when they had all ascended Tarzan followed, and Manu saw them disappear apparently into the heart of the great rock.
It was only a short time later that they commenced to reappear, and now each was burdened by two heavy objects which appeared to Manu to be very similar to some of the smaller stone blocks that had been used in the construction of the buildings in Opar. He saw them take the blocks to the edge of the kopje and cast them over to the ground beneath, and when the last of the blacks had emerged with his load and cast it to the valley below, one by one the party descended the ladder to the foot of the kopje. But this time Tarzan of the Apes went first. Then they lowered the ladder and took it apart and laid its pieces close to the foot of the cliff, after which they took up the blocks which they had brought from the heart of the kopje, and following Tarzan, who set out in the lead, they commenced to retrace their steps toward the rim of the valley.
Manu would have been very much mystified had he been a man, but being only a monkey he saw only what he saw without attempting to reason very much about it. He knew that the ways of men were peculiar, and oftentimes unaccountable. For example, the Gomangani who could not travel through the jungle and the forest with the ease of any other of the animals which frequented them, added to their difficulties by loading themselves
