He spent several hours each day leaping up the stairway which led from the lower cells to the upper, and his limbs were like bundles of steel rods.

He could spring from the floor, catch the hand rail of the runway above, and swing himself with a single effort to the upper cells.

Every possible combination of strength and agility which the slender variety of means allowed he used, and not one of all the prisoners cared to try muscular conclusions with him.
Occasionally a new prisoner would experiment, but those who held over knew better than to "bother the kid." When a rash and doubting man tried it, he repented it in cotton cloth and arnica.
The only way in which Harold could be enticed into the residence part of the jail was by sending Jack to call upon him.
At such times the jailer gave him plenty of time, and Harold poured forth his latest plans in a swift torrent.

He talked of nothing but the West.

"My sentence will be out in April," he said; "just the right time to go.