Bob and Jack had done the same.

Bok crouched near the fire, with a horror-struck look in his eyes.

"It's the dead walking, maybe," he gasped.

A muffled thump, thump, thump! was again heard.

A minute or more passed.

Then our hero again seized a brand, and made a rush along the cabin passage.

Jack followed, and after him Bok.

A glance sufficed.

The body from the head of the table had disappeared.

"What can it mean?" exclaimed Jack. "I don't think I am a coward, but this is horrible."