The ghost was making for the fence again, as if it would double upon its trail and reach some previously chosen refuge.

He stooped to scoop some of the mustard into the cup, and the succeeding spasm doubled him upon the floor.

He doubled back upon his course; followed in behind one of the very patrol cars that was seeking him.

His fine surgeon's hands doubled into fists and with twin blows upon the table he propelled himself to his feet.

The crook clasped hands to his chest and doubled upon the floor.

Barna said that "it's as if Houston had stretched out so far that it its sprawl began doubling back upon itself."

It doubled back upon itself again and again as Maharet led them higher and higher.

Rama sprinted along the knoll, running down to a point where the overhang doubled back upon itself.

He began to ascend, the road continually doubling back upon itself as the incline became steeper.

The fish doubled back upon itself and made another strike.