“I’ll bet it is Quizquiz. He has gathered those of his followers who are still faithful to him, and is preparing to attack the camp. That was a war horn.”

“We shall soon see. If it is anything of that kind Soncco will know and report to us.”

The excitement among the Indians was great, but as the unusual sound was not repeated, and as their adviser did not show up, the two came to the conclusion that the disturbance did not concern them, and went back to bed.

They had scarcely closed their eyes, or, at least so it seemed, when the camp was again thrown into an uproar by a repetition of the unearthly sound.

“I am going to find out about this,” Stanley said decisively. “It must be stopped.”

He had scarcely finished speaking when Soncco rushed into the apartment.

“Forgive me, great and noble king,” he panted, “for entering without asking permission.”

“I am glad you came,” Stanley replied quickly. “What is all the racket about? Find out who or what is making it and have it stopped.”

“That is why I came to you. The people are in a panic and many are fleeing toward the city. They fear it is some evil sequel to the astounding events of the day.”

“But what is it?”