Mark called to him, but it was of no use, and he rushed back a little way, barking now fiercely.
"I can't let him go," said Mark hoarsely, and he dashed after the dog; but before he had gone a dozen yards he kicked against something soft, and fell down, but only to scramble up again, for the mystery of the dog's behaviour was explained.

His companion the monkey was half overcome by the vapour arising from the fire in the hold, and had crawled, it seemed, part of the way toward the hatch and then sank down, the dog refusing to leave him till he heard voices.
Mark dragged the poor, half inanimate animal to the hatch and carried him on deck, Bruff barking loudly till they were on deck, where a scene of excitement was rapidly growing.
"Silence!" the captain roared as Mark reached his side.

"No man is to go near a boat save those who are picked out.

Listen, my lads, and you gentlemen as well.

I will have discipline observed.