Main Fiction: “The Witch-Doctor Seeks Vengeance” by Edgar Rice Burroughs, first published in 1919 in Jungle Tales of Tarzan.
Narrator: Nathan Lowell.
As he quenched his thirst, another denizen of the gloomy forest approached the stream along the path behind him. It was Numa, the lion, tawny of body and black of mane, scowling and sinister, rumbling out low, coughing roars. Tarzan of the Apes heard him long before he came within sight, but the ape-man went on with his drinking until he had had his fill; then he arose, slowly, with the easy grace of a creature of the wilds and all the quiet dignity that was his birthright.