He noted the grayish strip of smooth water that marked the end of the dead-line.

Three or four of the stronger animals were forging steadily toward this.

The others grouped close together, almost motionless in their last tremendous fight, were left farther and farther behind.

Then came the break.

A mare and her yearling colt had gone in with the bunch.
Aldous saw the colt, with its small head and shoulders high out of the water, sweep down like a chip with the current.