Then he rose to the surface and desperately began using his legs.

It was of little use.

He had only time to blink once or twice and catch a lungful of air when he shot into a current that was running like a millrace between the butts of two fallen trees, and for another twenty feet the sharpest eyes could not have seen hair or hide of him.

He came up again at the edge of a shallow riffle over which the water ran like the rapids at Niagara in miniature, and for fifty or sixty yards he was flung along like a hairy ball.

From this he was hurled into a deep, cold pool.