sects, and the chattering life of the lesser monkeys and the birds.
For a time Tarzan stood in statuesque silence, listening, his sensitive nostrils dilating as he assayed each passing breeze. Then he withdrew Werper into the concealment of thick brush, and waited. Presently, along the game trail that Werper and Tarzan had been following, there came in sight a sleek, black warrior, alert and watchful.
In single file behind him, there followed, one after another, near fifty others, each burdened with two dull-yellow ingots lashed upon his back. Werper recognized the party immediately as that which had accompanied Tarzan on his journey to Opar. He glanced at the ape-man; but in the savage, watchful eyes he saw no recognition of Basuli and those other loyal Waziri.
When all had passed, Tarzan rose and emerged from concealment. He looked down the trail in the direction the party had gone. Then he turned to Werper.
"We will follow and slay them," he said.
"Why? " asked the Belgian.
"They are black," explained Tarzan. "It
