"Oh, yes. I've often explored this place," replied Mr. Dalton, readily. "It's a passage leading under the swamp to the mainland."
"Show us the way, and we will follow it."
"Come along, then, and in a few minutes we'll be out of here."
They entered the tunnel, and Old King Brady said to the broker:
"When I entered the Thirty-sixth street house the night you were abducted, I found a curious dagger lying on the floor, and blood-stains on the boards. These clews led me to suppose a murder had been committed there. Do you know anything about those things?"
"Yes," replied the broker. "The dagger was one I had purchased as a curiosity that evening from a shop in Fourth avenue. When those two men attacked me, I drew it, and cut the negro before they got the best of me by knocking it from my hand. Sim bound up his wound, and then they knocked me down and drugged me."
Old King Brady laughed.
"Another mystery solved," he muttered.
"You thought I was the victim, eh?"
"I did. But I see my error now."