about this mound were three old females armed with short, heavy clubs with which they presently began to pound upon the flat top of the earth mound which gave forth a dull, booming sound and almost immediately the other apes commenced to move about restlessly, weaving in and out aimlessly until they carried the impression of a moving mass of great, black maggots.
The beating of the drum was in a slow, ponderous cadence, at first Without time but presently settling into a heavy rhythm to which the apes kept time with measured tread and swaying bodies. Slowly the mass separated into two rings, the outer of which was composed of shes and the very young, the inner of mature bulls. The former ceased to move and squatted upon their haunches, while the bulls now moved slowly about in a circle the center of which was the drum and all now in the same direction.
It was then that there came faintly to the ears of the girl from the direction of the village she had recently quitted a weird and high-pitched cry. The effect upon the apes was electrical—they stopped their movements and stood in attitudes of intent listening for a moment and then one fellow, huger than his companions, raised his face to the heavens and in a voice that sent the cold shudders through the girl's slight frame answered the far-off cry.
Once again the beaters took up their drumming and the slow dance went on. There was a certain fascination in the savage ceremony that held the