Cautiously and after infinite patience Tarzan passed the final outpost. Forcing his captive to walk before him he pushed on toward the west until, late into the night, he recrossed the railway where he felt reasonably safe from discovery. The German had cursed and grumbled and threatened and asked questions; but his only reply was another prod from Tarzan's sharp war spear. The ape-man herded him along as he would have driven a hog with the difference that he would have had more respect and therefore more consideration for a hog.
Until now Tarzan had given little thought to the details of revenge. Now he pondered what form the punishment should take. Of only one thing was he certain—it must end in death. Like all brave men and courageous beasts Tarzan had little natural inclination to torture—none, in fact; but this case was unique in his experience. An inherent sense of justice called for an eye for an eye and his recent oath demanded even more. Yes, the creature must suffer even as he had caused Jane Clayton to suffer. Tarzan could not hope to make the man suffer as he had suffered, since physical pain may never approach the exquisiteness of mental torture.
All through the long night the ape-man goaded on the exhausted and now terrified Hun. The awful silence of his captor wrought upon the German's nerves. If he would only speak! Again and again Schneider tried to force or coax a word from him; but always the result was the same—continued silence and a vicious and painful prod from the
