"What are you doing with these two lads?"

"They are under arrest, sir."

"What!" ejaculated Uncle John. "Under arrest, and what for?"

"They are spies."

"Spies!" The good man staggered back. He forced a smile. "You are joking
with me," he said.

The Italian officer drew himself up.

"I never joke of serious matters," he said quietly. "But what interest
have you in these prisoners?"

"Well, I have considerable interest," was the reply. "One of them happens
to be my nephew. What have they been doing?"

"I couldn't say as to that. All I know is that they are spies."

"You're crazy," shouted Uncle John, now becoming angry. "They are British
army officers, and American citizens."

The young officer drew himself up.

"Crazy, am I?" he demanded. "March!" he ordered his men.

"Here, hold on a minute," gasped Uncle John. "I didn't mean to ruffle