“Well, as it’s buoyed, I should advise you to pick it up as soon as you can,” said von Brüning, carelessly; “or someone else will.”

“Yes, by Jove! Carruthers,” said Davies, eagerly, “we must get out on this next tide.”

“Oh, there’s no hurry,” I said, partly from policy, partly because the ease of the shore was on me. To sit on a chair upright is something of a luxury, however good the cause in which you have crouched like a monkey over a table at the level of your knees, with a reeking oil-stove at your ear.

“They’re honest enough about here, aren’t they?” I added. While the words were on my lips I remembered the midnight visitor at Wangeroog, and guessed that von Brüning was leading up to a test. Grimm (if he was the visitor) would have told him of his narrow escape from detection, and reticence on our part would show we suspected something. I could have kicked myself, but it was not too late. I took the bull by the horns, and, before the Commander could answer, added:

“By Jove! Davies, I forgot about that fellow at Wangeroog. The anchor might be stolen, as he says.”

Davies looked blank, but von Brüning had turned to me.

“We never dreamed there would be thieves among these islands,” I said, “but the other night I nearly caught a fellow in the act. He thought the yacht was empty.”

I described the affair in detail, and with what humour I could. Our host was amused, and apologetic for the islanders.

“They’re excellent folk,” he said, “but they’re born with predatory instincts. Their fathers made their living out of wrecks on this coast, and the children inherit a weakness for plunder. When Wangeroog lighthouse was built they petitioned the Government for compensation, in perfect good faith. The coast is well lighted now, and windfalls are rare, but the sight of a stranded yacht, with the owners ashore, would inflame the old passion; and, depend upon it, someone has seen that anchor-buoy.”

The word “wrecks” had set me tingling. Was it another test? Impossible to say; but audacity was safer than reserve, and might save trouble in the future.