too late. The occupant of the strange automobile-- for the machine carried but a single person-- tried to come to a stop. The brakes groaned and squeaked, and the car swept slightly to one side, thus avoiding the Rovers' machine. Then, with power thrown off and the hand-brake set, it rolled out on the bridge. There was a snap, followed by a tremendous crash, and the next instant machine and driver disappeared with a splash into the swiftly-flowing river.
TO THE RESCUE
The accident at the bridge had occurred so suddenly that, for the instant, neither Rover boy knew what to do. They saw that the farther end of the bridge had given way completely. Just where the end rested in the water they beheld several small objects floating about, one of them evidently a cap, and another a small wooden box. But the automobile with its driver was nowhere to be seen.
"My gracious! That fellow will surely be drowned!" gasped Sam, on recovering from the shock. "Tom,