.

SIMON FORD'S EXPERIMENT.
THE old clock in the cottage struck one as James Starr and his two companions went out.

A dim light penetrated through the ventilating shaft into the glade.

Harry's lamp was not necessary here, but it would very soon be of use, for the old overman was about to conduct the engineer to the very end of the Dochart pit.
After following the principal gallery for a distance of two miles, the three explorers--for, as will be seen, this was a regular exploration--arrived at the entrance of a narrow tunnel.

It was like a nave, the roof of which rested on woodwork, covered with white moss.