"How do you know that?"

"Because you wear their uniform, sir?"

"You cannot have seen many British soldiers here," said the man. "Did you ever see the British uniform before?"

"Yes, sir," replied Arty.

"And where did you see it?" he asked, glancing sharply at Arthur and then at Dorothy. Upon the face of the latter was a look of dismay, for she had foreseen the drift of the man's questions and the trap into which Arty had fallen. He, too, saw it, now he was in. The only British uniform he had ever seen was that worn by the American spy. For a brief moment he was tempted to tell a lie. Then he said firmly, "I cannot tell you, sir."

"Cannot! Does that mean will not?" said the man threateningly. Then he put his hand into his pocket and took out a bright gold sovereign, which he held before Arthur.

"Come, now, my little man, tell me where you saw the British soldier's uniform, and you shall have this gold piece."

But all the noble impulses of the boy's nature, inherited and strengthened by his mother's teachings, revolted at this attempt to bribe him. His eyes flashed. He looked the man full in the face. "I will not!" said he.

"Come, come!" cried out the man on horseback. "Don't palter any longer with the little rebel. We'll find a way to make him tell. Up with him!"

In an instant the man had swung Arthur into his saddle, and leaping up behind him, struck spurs to his horse and dashed away. Cæsar, who had been sniffing about, suspicious, but uncertain, attempted to leap upon the horseman in the rear, but he, drawing his pistol from his saddle, fired, and Cæsar dropped helpless.