There is another farther on." He pinched himself to make sure that he was awake.
Figure after figure seemed to flit along the deck and disappear.

One of the guard rose and stretched his arms; put a fresh bit of some herb that he was chewing into his mouth; moved close to the prisoners to see if they were asleep; and then resumed his former position.

During the time that he was on his feet, Dick noticed that the phenomenon which had so puzzled him ceased.

A quarter of an hour later it began again.

He touched Harry, keeping his hand on his lips as a warning to be silent.
Suddenly a wild yell broke on the still air, and in an instant the deck was alive with men; and as the two Malay watchers rose to their feet, both were cut down.
There were sounds of heavy blows, screams and yells, a short and confused struggle, and the fall of heavy bodies, while from the little village there were also sounds of conflict.