Instantly the shaggy black rushed in with drawn knife which it
buried in the beast's heart. For a few moments Tarzan retained his
hold but when the body had relaxed in final dissolution he pushed
it from him and the two who had formerly been locked in mortal
combat stood facing each other across the body of the common foe.

Tarzan waited, ready either for peace or war. Presently two shaggy
black hands were raised; the left was laid upon its own heart and
the right extended until the palm touched Tarzan's breast. It was
the same form of friendly salutation with which the pithecanthropus
had sealed his alliance with the ape-man and Tarzan, glad of every
ally he could win in this strange and savage world, quickly accepted
the proffered friendship.

At the conclusion of the brief ceremony Tarzan, glancing in the
direction of the hairless pithecanthropus, discovered that the
latter had recovered consciousness and was sitting erect watching
them intently. He now rose slowly and at the same time the shaggy
black turned in his direction and addressed him in what evidently
was their common language. The hairless one replied and the
two approached each other slowly. Tarzan watched interestedly the
outcome of their meeting. They halted a few paces apart, first one
and then the other speaking rapidly but without apparent excitement,
each occasionally glancing or nodding toward Tarzan, indicating
that he was to some extent the subject of their conversation.

Presently they advanced again until they met, whereupon was repeated
the brief ceremony of alliance which had previously marked the
cessation of hostilities between Tarzan and the black. They then