spinal vertebra grew a thick, heavy horn. Only a portion of the back was visible to the ape-man, the rest of the body being lost in the dense shadows beneath the tree, from whence there now arose the sound of giant jaws powerfully crunching flesh and bones. From the odors that rose to the ape-man's sensitive nostrils he presently realized that beneath him was some huge reptile feeding upon the carcass of the lion that had been slain there earlier in the night.
As Tarzan's eyes, straining with curiosity, bored futilely into the dark shadows he felt a light touch upon his shoulder, and, turning, saw that his companion was attempting to attract his attention. The creature, pressing a forefinger to his own lips as to enjoin silence, attempted by pulling on Tarzan's arm to indicate that they should leave at once.
Realizing that he was in a strange country, evidently infested by creatures of titanic size, with the habits and powers of which he was entirely unfamiliar, the ape-man permitted himself to be drawn away. With the utmost caution the pithecanthropus descended the tree upon the opposite side from the great nocturnal prowler, and, closely followed by Tarzan, moved silently away through the night across the plain.
The ape-man was rather loath thus to relinquish an opportunity to inspect a creature which he realized was probably entirely different from
