Stuart knit his brows and reflected. Then he called to the orderly.
“Wake the adjutant-general, and have three couriers ready at once!”
Mr. Nighthawk arose.
“By-the-by, general,” he said, “I saw Swartz, whom I have mentioned to you.”
“Yes; the best spy, you say, in the Federal army.”
“I think he is, general. He is a wonderful man. He recently played a trick upon you.”
“Upon me?”
“At least he bore off a prisoner from you. It was a lady, captured by Colonel Mohun, one night on the Rappahannock.”
“Ah! Is it possible! So Swartz was the old countryman, driving the wagon that morning.”
“So he informed me, general.”