The fellow instantly sprang from the boat and took his station on the rock, as the successor of him who had died so ignominiously.

Little fear of his falling asleep on his post.
A minute later the boat shot out upon the moonlit surface of the enchanted lake.

There the occupants used their eyes for all they were worth, the craft making a partial circuit of the sheet of water.

There was a possibility that the fugitives were there, though it was slight.
Many places afforded a landing, where they might have found temporary shelter, but nothing was seen of the boat, and Haffgo ordered the oarsmen to pass through the tunnel leading to the underground lake.
This was speedily effected, and the large boat debouched into the wonderful body of water, so brilliantly illuminated by the glare from the burning mountain on the western side.
Instinctively every eye was cast in that direction, but nothing rewarded the scrutiny.

Then the vision swept along the shores, every portion of which, as will be remembered, was in plain view.
Almost at the same moment; Ziffak uttered an excited exclamation, and pointed to the northern shore.