Jabari's words wounded Tarzan. They filled the ape man with anger -- not because they were untrue, but because they were precisely what Tarzan had hoped no one would ever find out: he was afraid of losing his long-held place as king of the jungle.
Jabari must pay for his words, Tarzan knew in his heart. Tarzan was king. Tarzan was a hero! No man would make a mockery of his name and continue to stand on unbruised legs!
Tarzan dropped the jewel to the soft grass and coned his hands around his wide-open mouth. The proud, white savage bellowed his famous cry, signalling to the jungle that a fight had begun!