“My soul!” he gasped. “They will be upon us before the alarm can be given!”

It was easy to foresee the effect of such a surprise upon the prospectors.

They would, no doubt, be cut down before they could really prepare themselves for the onslaught.

In that moment a dozen daring schemes flitted through the brain of the young inventor.

He thought of starting the Steam Man out amongst them with a view to breaking up their advance.

But the creek was between, and it would be some trouble to find a fording place.

Under the circumstances Frank executed the most sensible move that he could.

He stole quickly back into the camp.

It was but a moment’s work to silently arouse Silver Sam and Diamond Jake.

He quickly explained the situation to them.