close quarters there was no room to fence for openings. Instantly the two beasts locked in deadly embrace, each seeking the other's throat. Pan-at-lee watched, taking no advantage of the opportunity to escape which their preoccupation gave her. She watched and waited, for into her savage little brain had come the resolve to pin her faith to this strange creature who had unlocked her heart with those four words—"I am Om-at's friend!" And so she waited, with drawn knife, the opportunity to do her bit in the vanquishing of the Tor-o-don. That the newcomer could do it unaided she well knew to be beyond the realms of possibility, for she knew well the prowess of the beastlike man with whom it fought. There were not many of them in Pal-ul-don, but what few there were were a terror to the women of the Waz-don and the Ho-don, for the old Tor-o-don bulls roamed the mountains and the valleys of Pal-ul-don between rutting seasons and woe betide the women who fell in their paths.
With his tail the Tor-o-don sought one of Tarzan's ankles, and finding it, tripped him. The two fell heavily, but so agile was the ape-man and so quick his powerful muscles that even in falling he twisted the beast beneath him, so that Tarzan fell on top and now the tail that had tripped him sought his throat as had the tail of In-tan, the Kor-ul-lul. In the effort of turning his antagonist's body during the fall Tarzan had had to re-
