"Whee-oo!" was repeated, coming ever closer.
Tarzan looked at Pan-at-lee. "What is it?" he asked.
"I do not know," she replied. "Perhaps a strange bird, or another horrid beast that dwells in this frightful place."
"Ah," exclaimed Tarzan; "there it is. Look!"
Pan-at-lee voiced a cry of despair. "A Tor-o-don!"
The creature, walking erect and carrying a stick in one hand, advanced at a slow, lumbering gait. It walked directly toward the gryfs, who moved aside, as though afraid. Tarzan watched intently. The Tor-o-don was now quite close to one of the triceratops. It swung its head and snapped at him viciously. Instantly the Tor-o-don sprang in and commenced to belabor the huge beast across the face with his stick. To the ape-man's amazement the gryf, that might have annihilated the comparatively puny Tor-o-don instantly in any of a dozen ways, cringed like a whipped cur.
"Whee-oo! Whee-oo!" shouted the Tor-o-don and the gryf came slowly toward him. A whack on the median horn brought it to a stop. Then the Tor-o-don walked around behind it, clambered up its tail and seated himself astraddle of the huge back. "Whee-oo!" he shouted and prodded the beast with a sharp point of his stick. The gryf commenced to move off.
