This boat may save our lives." "How ?" asked Mr.Tarbill.
"Why, when the sea goes down we can leave the island in her." "Leave the island?
Never! I'm on dry land now, and I'm never going to trust myself in a boat again." "Maybe you'll think differently after a bit," said the captain.
By this time Bob and Tim had the boat in very shallow water.

They managed to turn it on the keel, and the first thing they saw was the sail in the bottom.

Ropes, fastened to various projections, had prevented the canvas from floating away.
"There!" cried the captain, when he saw it.

"That solves our shelter problem for us.

We'll make a tent.