they were doubtless now already upon the rim of the valley of Opar, if this was their ultimate destination. And what other they could have in view Tarzan could not imagine.
He had always kept closely to himself the location of Opar. In so far as he knew no white person other than Jane, and their son, Korak, knew of the location of the forgotten city of the ancient Atlantians. Yet what else could have drawn these white men, with so large a party, into the savage, unexplored wilderness which hemmed Opar upon all sides?
Such were the thoughts that occupied Tarzan's mind as he followed swiftly the trail that led toward Opar. Darkness fell, but so fresh was the spoor that the ape-man could follow it by scent even when he could not see the imprints upon the ground, and presently, in the distance, he saw the light of a camp ahead of him.
