"What harm could have come if he had seen us?" asked the Captain, "I favor going straight up to the Deerfoot, stepping aboard and ordering the thieves to turn her over to us."

"Before doing so, one thing ought to be settled."

"What is that?"

"Find out whether it is the Deerfoot."

"Of course it is; what other boat could it be? We act as if we were afraid to claim our own property."

"Your property you mean, Captain. If I may advise, it is that you make another circuit around the islet and come up to the launch from the rear. I don't think there is a second man on watch, and, if there isn't, we shall be less likely to attract the first one's notice."

"I'll do as you say, though I see no sense in it."

With the utmost care the islet was circumnavigated as before, and the stealthy approach from the rear was made. Alvin depended upon his companion to give him warning, and while he remained silent the small boat glided forward like a shadow cast by the moon.

The man who had been seen standing near the prow would have been in sight had he held his position, and since he was invisible, he must have gone away. With the acme of caution, Alvin stole along the side of the launch, keeping just far enough off to avoid grazing her, until he came once more to the bow.

This period being one of the total eclipses of the moon, he could do no more than trace the outlines of the boat, whose familiar appearance filled him with burning indignation that thieves should have dared to lay hands upon it. There was not a breath of air stirring, and Chester who still clung to his doubts, now drew his rubber safe from his pocket and scratched a match over the corrugated bottom. As the tiny flame flickered, he held it up in front of the gilt letters on the side of the prow. Each saw them plainly, long enough to note that the name painted there was not Deerfoot but Water Witch!