king of beasts, whereat Numa, greatly to the ape-man's surprise, started to climb up into the branches toward him. Now, never before had Tarzan seen a lion climb a tree, yet, for some unaccountable reason, he was not greatly surprised that this particular lion should do so.
As the lion climbed slowly toward him, Tarzan sought higher branches; but to his chagrin, he discovered that it was with the utmost difficulty that he could climb at all. Again and again he slipped back, losing all that he had gained, while the lion kept steadily at his climbing, coming ever closer and closer to the ape-man. Tarzan could see the hungry light in the yellow-green eyes. He could see the slaver on the drooping jowls, and the great fangs agape to seize and destroy him. Clawing desperately, the ape-man at last succeeded in gaining a little upon his pursuer. He reached the more slender branches far aloft where he well knew no lion could follow; yet on and on came devil-faced Numa. It was incredible; but it was true. Yet what most amazed Tarzan was that though he realized the incredibility of it all, he at the same time accepted it as a matter of course, first that a lion should climb at all and second that he should enter the upper terraces where even Sheeta, the panther, dared not venture.
To the very top of a tall tree the ape-man clawed his awkward way and after him came Numa, the
