"Shall we set up a shout?"
"It will do no good. They could not hear us."
"We might fly a signal of distress."
"It is too dark for that now."
Both watched the ship with interest. The captain was right, the vessel was not headed for the island, and in a few minutes it passed from view.
"If that was a friendly vessel, it's a chance gone," was Dave's sober comment.
"True, but it cannot be helped."
As usual in the tropics, night came on quickly. There was no moon, but countless stars shone from on high. The birds ceased their songs, and presently all was quiet.
"I suppose we may as well proceed to make ourselves comfortable," said Dr. Barrell.
"Somebody has got to remain on guard," came from Dave, who was not inclined to forget that the gorilla was still at large.