Young King Brady could hardly repress a start.

The negro was Sim Johnson!

"Great Scott!" he muttered. "It's Mason's friend, the valet. Where is the black rascal going with that big valise? Shall I put the nippers on him? What is he doing over here on West street?"

He thought it over.

Harry's first impulse was to arrest the man.

Cool second-thought restrained him, however, and he muttered softly:

"No. I'll shadow him and find out where he is going. It will be time enough to arrest him when I find he's trying to get away."

He kept a wary eye on the coon after that.

Johnson rode down to the foot of Liberty street and alighted.

To Harry's astonishment he saw the darky buy a ticket for Swamp Angel, and then the truth flashed across the boy's mind.