What, if the negro--for he was certain it was a negro in the cabin--should betray him?
What if--His reverie was suddenly interrupted by the approach of a horseman on the road.

Presently a rebel officer rode leisurely by.

When he arrived opposite the house, a man, who was sitting on the portico, and whom Frank had not noticed, hailed the horseman, who drew in his rein, and stopped.
"Have you caught them all yet ?" inquired the man on the portico.
"No," answered the officer; "not yet.

One of them gave us the slip; a little fellow; belongs to the gun-boats.

He's around here somewhere; but we'll have him to-morrow, for he can't escape.