upon the inside a very ferocious and angry lion that pawed and clawed at the rocks and uttered mighty roars that caused the earth to tremble; but roars did not frighten Tarzan of the Apes. At Kala's shaggy breast he had closed his infant eyes in sleep upon countless nights in years gone by to the savage chorus of similar roars. Scarcely a day or night of his jungle life—and practically all his life had been spent in the jungle—that he had not heard the roaring of hungry lions, or angry lions, or love-sick lions. Such sounds affected Tarzan as the tooting of an automobile horn may effect you—if you are in front of the automobile it warns you out of the way, if you are not in front of it you scarcely notice it. Figuratively Tarzan was not in front of the automobile—Numa could not reach him and Tarzan knew it, so he continued deliberately to choke the entrance until there was no possibility of Numa's getting out again. When he was quite through he made a grimace at the hidden lion beyond the barrier and resumed his way toward the east. "A man-eater who will eat no more men," he soliloquized.
That night Tarzan lay up under an overhanging shelf of rock. The next morning he resumed his journey, stopping only long enough to make a kill and satisfy his hunger. The other beasts of the wild eat and lie up; but Tarzan never let his belly interfere with his plans. In this lay one of the greatest differences between the ape-man and his fellows of the jungles and the forests. The firing
