After examining his bonds and assuring themselves that they were tight, the Indians lay down to sleep, but in the morning continued their journey as soon as daylight broke. From the absence of undergrowth and of lianas stretching from tree to tree anywhere low down, Stephen came to the conclusion that they were following what was in the dry season a track through the forest. The Indians were quite young men, and laughed and talked without any of the gravity that distinguished the older men among the natives. For some hours they paddled on, then their progress was stopped by a deep tangle of creepers stretching from tree to tree across their way. There was an exclamation of surprise and, as Stephen thought, of apprehension; they began to talk rapidly and eagerly together, one pointing in one direction and another in quite an opposite one. “They have lost the path,” he said to himself, “perhaps they took the wrong turn at starting.” The argument between them was an animated one, until one pointed to a ray of sunlight that penetrated the foliage and fell on the trunk of a tree near the water’s level. All looked surprised and even graver than before. The head of the canoe was turned, and they started in the direction from which they had come, by which Stephen concluded that they had unwittingly made half a circuit. They now paddled steadily and gravely, watching the darts of sunlight, and evidently steering by them. Before they had gone far the character of the forest changed, the trees grew somewhat further apart; but an undergrowth of smaller trees rendering it extremely difficult for them to force their canoe onward, their knives had frequently to be brought out to cut a way through the creepers. Angry words were frequently exchanged between them, each, it was evident to Stephen, accusing the others of being the cause of the disaster. The quarrel became more and more embittered, until at last two of them started up, and, drawing their knives, fell furiously upon one another. In the struggle they almost capsized the boat, and catching at each other to save themselves, both went overboard together.