Phil sucked his breath at what he saw, or rather did not see.

It was not a cellar after all,––but a tunnel.

“Weel ye may gasp!” ejaculated Jim, holding up the lantern and peering ahead. “Come on!

“Have you your revolver?”

“Yes!”

“Keep a grip of it then. I hardly think there’ll be a body here now. But it’s as well to keep your wits about ye.”

Jim went on first and Phil followed.

Phil’s foot struck metal. He looked down.

Two rails ran along the bottom of the tunnel.

“Nothing obsolete about this bunch!” whispered Jim jocularly.