Lee had been there with his army, but he had gone away! Where! They could not say.

The Southern officers had been silent and the soldiers had not known.

None of the people of Frederick had been allowed to follow.

A cloud of cavalry covered the Southern movements.
"Not so definite after all," said Dick.

"We know that the Southern army has been here, but we don't know where it has gone." "At any rate," said Pennington, "we're on the trail, and we're bound to find it sooner or later.