He called Pomp and Barney aboard the Steam Man, and the start was made.

Of course they were not aware that Barrows had started out upon the same mission.

It was decided to proceed up the Death Gulch, for Frank fancied that the abductors had likely struck out over the mountain range.

The gulch could be traversed by the Steam Man easily, and Frank deemed it safer to travel that way.

Up the gulch the Steam Man went.

For some distance all went well, and no incident worthy of note occurred.

But finally a branch of the canyon was reached, and here a halt was called.

This extended to the southward.

Frank knew that the outlaws could not have crossed this without a wide detour.

The ground was high above the walls of the canyon, and the young Inventor decided upon a different move.