There was scarcely any twilight in this tropical climate and it grew dark quickly. Within a few minutes the entire island, save where he stood, became dim and indistinct. He ate his daily tablet, and after watching the red glow fade in the western sky and the gray shadows of night settle around him he stretched himself comfortably upon the grass and went to sleep.

The events of the day must have deepened his slumber, for when he awoke the sun was shining almost directly over him, showing that the day was well advanced. He stood up, rubbed the sleep from his eyes and decided he would like a drink of water. From where he stood he could see several little brooks following winding paths through the forest, so he settled upon one that seemed farthest from the brushwood villages, and turning his indicator in that direction soon floated through the air to a sheltered spot upon the bank.

Kneeling down, he enjoyed a long, refreshing drink of the clear water, but as he started to regain his feet a coil of rope was suddenly thrown about him, pinning his arms to his sides and rendering him absolutely helpless.

At the same time his ears were saluted with a wild chattering in an unknown tongue, and he found himself surrounded by a group of natives of hideous appearance. They were nearly naked, and bore spears and heavy clubs as their only weapons. Their hair was long, curly, and thick as bushes, and through their noses and ears were stuck the teeth of sharks and curious metal ornaments.

These creatures had stolen upon Rob so quietly that he had not heard a sound, but now they jabbered loudly, as if much excited.

Finally one fat and somewhat aged native, who seemed to be a chief,