"And these plans——"

"Are drawn from personal knowledge of the interior of the bank and its vault. Let me tell you, Sam Cutts, this is the biggest thing of the kind I ever put you on to. Billy here knows that I'm giving it to you straight."

"Rat-tat-tat! Rat-tat-tat!" Both Jerry Buck and the woman were upon their feet in an instant.

The rapping was upon the door of the room in which the listeners were.

"Who can it be!" whispered the woman, turning pale.

"Give it up. Better throw suthin over the hole while I open the door an' see. It's some of the neighbors have come to borry suthin', most like, or a peddler mebbe."

"Rat-tat-tat! Rat-tat-tat!"

The boy hastily crossed the room, and turning the key, cautiously opened the door upon the crack.

Instantly a man sprang into the room, and seizing Jerry by the shoulders with a vise-like grip, clapped one hand over his mouth.