"The captain is out on duty and cannot be here for a half hour, so he informs me over the wire," said the orderly. "Then suppose I go out and tell Joe to watch that end of the field, and from there I will go to the entrance. Probably they,——" "Wait one moment," said the colonel, interrupting, as he turned to the orderly. "'Phone to the corporal of the gate squad and ask whether a peddler has passed out within the past half hour; if not, tell him to arrest a peddler if he attempts to go out." "I will go over to the warehouse," said Alfred. "I have an idea he is sneaking around in that part of the grounds." "Good idea," said the colonel. "Hand this to the officer in charge," he said, as he sat down and wrote a few lines on a pad, and handed it to Alfred. The latter lost no time in presenting himself to the officer in charge. "Is this Lieutenant Brand?" asked Alfred, as he addressed a trim-looking officer. "Yes; at your service," was the reply. He looked at the note. "What is this?" he continued. "A spy, we think," said Alfred. "Do you mean he has been here?" said the officer in an incredulous tone. "Yes; not more than a half hour ago," answered Alfred, "and he is here somewhere on the grounds; we are trying to find him." "One moment; there is a call on the 'phone; excuse me," said the lieutenant, as he disappeared into the next room. "Yes, he is here!" Alfred heard the lieutenant say. "Do you want him?" Alfred was moving toward the door when the lieutenant appeared and announced: "They have arrested a peddler at the gate. The colonel wishes to speak to you." Alfred took the receiver. "They have the peddler at the gate. They are bringing him over now, so be kind enough to get here at once," was the message. Alfred hurried to the commandant's office, and met Ralph at the door. "Too bad; they have gotten the wrong peddler. He is in that room. Look in through the door and see what you think," said Ralph. Alfred waited and finally obtained a glimpse. "No, it doesn't look like the man we spotted. What was this fellow selling?" asked Alfred. "There's his pack," said the orderly. "That looks just like the pack that our peddler had. Same kind of things, too; same strap,—and that flap; well,—I'll bet he belongs to the other fellow, or knows something about him," said Alfred. "What is that?" said the colonel, as he entered and heard the last remark. "I just said that this pack is just the same, the flap and the belt are exactly like the one the peddler had that we are after, and although that doesn't look like the man, I wouldn't be surprised if he belonged to the same gang," answered Alfred. "I have a way that will tell the story," said Ralph. "Where are the things that were taken from him?" he asked. "In my office," said the colonel; "come in and look them over." They made a careful examination of the peddler's pockets, and Ralph shook his head doubtfully. "Where is his money?" said Alfred. "That's it!" almost shouted Ralph.