“What shall we do?” called the elder of the two men.

“If you can’t untie the knots, cut the rope,” I called back, “and don’t lose any time about it.”

One of the men immediately started to follow out my suggestion. I saw him draw out his pocket-knife, open the blade, and begin to saw on the rope.

The next instant another puff of wind, stronger than any of the others, came sweeping down the lake. I was prepared for it, and sheered off to windward.

But the puff caught the large sloop directly broadside. The mainsheet and the jib filled, then the craft careened, and before I could realize what was happening, the four occupants were sent tumbling out into the waters of the lake.

CHAPTER II.
AT THE BANK.

I was both astonished and dismayed to see the large sloop go over and precipitate its passengers into the water. The catastrophe happened so quickly that for a moment I knew not what to do.

Then my presence of mind came back, and I set promptly to work to rescue those who had gone overboard. In a moment I had the woman on board of my own craft. She was insensible.