“Anyway,” insisted Dan uneasily, “I think we’d ought to go back.”

“All right,” said Nelson. “Come on and we’ll hoist anchor. It seems to me we don’t do anything else nowadays; I’m getting a crick in my back over it.”

They went across the engine room and stepped out into the cockpit. Then they stared about them in surprise. There was nothing to be seen. The fog had crept up since they had gone below and was now stealing silently past them, blown landward before a tiny southeast breeze. Nelson and Dan looked at each other inquiringly.

“Isn’t this the dickens?” asked Dan.

“It surely is,” was the reply. “O Bob! Come out here!”

Bob appeared. After a moment of surprise he asked:

“Where’s the shore?” Nelson pointed off to starboard.

“Sure?” asked Bob.

“Yes, pretty certain. The tide’s still running in and so we can’t have swung around.”

“Hang these old fogs, anyhow!” growled Dan. “What are we going to do now?”