What the Footprints Told 51 opposite side of the clearing, while the bulls, bris«. tling and growling, faced the intruder. “ Come,” cried Tarzan, “ do you not know me? I am Tarzan of the Apes, friend of the Mangani, son of Kala, and king of the tribe of Kerchak.” “We know you,” growled one of the old bulls; “ yesterday we saw you when you killed Gobu. Go away or we shall kill you.” “ I did not kill Gobu,” replied the ape-man. “ I found his dead body yesterday and I was following the spoor of his slayer, when I came upon you.” “ We saw you,” repeated the old bull; “ go away or we shall kill you. You are no longer the friend of the Mangani.” The ape-man stood with brows contracted in thought. It was evident that these apes really believed that they had seen him kill their fellow. What was the explanation? How could it be ac¬ counted for? Did the naked footprints of the great white man whom he had been following mean more, then, than he had guessed? Tarzan wondered. He raised his eyes and again addressed the bulls. “It was not I who killed Gobu,” he insisted. “ Many of you have known me all your lives. You know that only in fair fight, as one bull fights another, have I ever killed a Mangani. You know that, of all the jungle people, the Mangani are my best friends, and that Tarzan of the Apes is the best friend the Mangani have. How, then, could I slay one of my own people? ”