"To preserve the Union!"

"You're a liar!" shouted the lieutenant. "You're fighting to free the
niggers."

"Well, have it your own way," answered Frank. "But, if I'm a liar,
you're a gentleman, so take it and go on. You need not ask me any more
questions, for I shan't answer them."

The lieutenant muttered something about hanging every Yankee he could
catch if he could have his own way, and moved away; and Frank was left
to finish his dinner in peace.

That afternoon, a soldier, whose name was Cabot, came and sat down
beside Frank, and inquired:

"Didn't you try to escape last night?"

"Yes, but I was discovered."

"You would not have been, if one of our own men hadn't split on you."

"What!" exclaimed Frank, "you don't pretend to say that a Federal
soldier was mean enough to inform against me?"

"Yes, I do; and there he stands now." And, as Cabot spoke, he pointed
to a tall, hard-featured man standing by the window, looking out
into the street. "I slept at the head of the stairs last night, and
distinctly heard him tell the guards that you were intending to leave.