heavy body leaped upon him from behind and brawny arms encircled him about the waist.
Taken at a disadvantage and lifted from his feet, the ape-man was, for the time being, helpless. Whatever the creature was that had seized him, it apparently had a well-defined purpose in mind, for it walked directly toward the edge of the roof so that it was soon apparent to Tarzan that he was to be hurled to the pavement below—a most efficacious manner of disposing of an intruder. That he would be either maimed or killed the ape-man was confident; but he had no intention of permitting his assailant to carry out the plan.
Tarzan's arms and legs were free but he was in such a disadvantageous position that he could not use them to any good effect. His only hope lay in throwing the creature off its balance, and to this end Tarzan straightened his body and leaned as far back against his captor as he could, and then suddenly lunged forward. The result was as satisfactory as he could possibly have hoped. The great weight of the ape-man thrown suddenly out from an erect position caused the other also to lunge violently forward with the result that to save himself he involuntarily released his grasp. Catlike in his movements, the ape-man had no sooner touched the roof than he was upon his feet again, facing his adversary, a man almost as large as himself and armed with a saber which he now whipped from its scabbard. Tarzan, however, had no mind to allow the use of this formidable weapon and so he dove for the other's
