CHAPTER XXI

  CROSSING THE LINE

  Nick Rabig was a young man of powerful build, and under ordinaryconditions Tom would have had his work cut out for him. But thesurprise and the shock had taken all the fight out of the traitor, andTom's sinewy hands never relaxed until Rabig's face was purple and helay limp and gasping. Then Tom improvised a gag and thrust it into therascal's mouth and rapidly bound his hands and feet.

  When he had the miscreant helpless, Tom rose panting to his feet andlooked about him. There was no sign that the struggle had attractedattention. Rabig himself had had no time to utter a cry for help.

  The renegade had revived sufficiently now to understand what hadhappened, and his face was a study of conflicting emotions. Rage andhate and fear showed in his features. He recognized Tom, and he knewthat his treachery stood discovered. He knew that with the evidenceagainst him he was doomed to stand before a firing squad if he shouldbe taken into the American lines.

  Tom looked at him as one might look at a leper.

  "You low-down traitor!" he said bitterly. "You vile scoundrel! I'vecaught you at last and caught you dead to rights. You're the mostcontemptible thing that breathes. You're a disgrace to your uniform.You ought to be wearing a wooden overcoat and you will when Uncle Samlays his hands on you. I ought to kill you myself this minute."

  His hand clenched the pistol which he had taken from Rabig's pocket,and a look of craven fear came into the traitor's eyes.

  "Oh, don't be afraid," said Tom scornfully. "I'm not going to do it.Perhaps you'll suffer more if I let you live than if I killed you.You're a marked and branded man. You're a man without a country. Thevery men you've sold yourself to look upon you as a yellow dog.

  "Now, Rabig, listen to me," Tom went on with deadly earnestness. "I'mgoing to strip you of the uniform you've disgraced. I'll have to untieyour hands for a minute to get the coat over your arms, but I've gotthe drop on you and if you make the slightest move except to do what Itell you to you're a dead man."

  Rabig was too cowed to do anything but obey, and in a few minutes Tomhad stripped him of coat and trousers and put them on himself. Here-bound Rabig's hands tightly. Then he went through the pockets ofthe coat.

  As he had expected he found the pass that had admitted Rabig to theGerman lines. Opposite the word "_Losung_," which Tom knew meant"countersign," was scribbled the word "Potsdam."

  "I guess this thing that brought you over will take me back," Tomremarked. "Now, Rabig, I'm going to leave you here with your Germanfriends. They'll pick you up after a while, though I don't carewhether they do or not. I'm going back to the boys of the oldThirty-seventh and tell them just what has happened to Nick Rabig, thetraitor. So long, Benedict Arnold."

  With a parting glance of contempt Tom left the traitor and went downthe hill with a confidence that he was very far from feeling.

  He had the pass and the countersign, but he was not sure that thesewould be sufficient. Perhaps an officer would be called by the sentryto make sure that everything was all right. Perhaps the sentry at thepoint where he should try to pass the line might be the same one whohad let Rabig through, and he might notice the difference in personalappearance. Any one of a dozen things might happen to arouse suspicion.

  Luckily it was growing dark and Tom had pulled Rabig's hat well downover his face, yet not so far as to make it appear that he was tryingto evade scrutiny. He walked on briskly to a point where a sentry onduty before an opening in the wire fence was standing.

  "_Halt! Wer da?_" hailed the sentry.

  "_Ein Freund_," replied Tom.

  "_Losung._"

  "_Potsdam._"

  At the same time Tom carelessly extended the pass which the sentryglanced at and returned to him with a curt gesture, in which Tomthought he saw contempt. But it meant that he was free to pass, and hedid so with an air of indifference.

  His heart was beating so fast that it seemed as if he would suffocate.At every step he feared to hear a shout behind him that would tell himthat the ruse was discovered. But the fortune that had frowned uponhim so many times of late this time was friendly. Behind him were theusual camp noises and nothing more.

  In a few minutes he had gotten out of sight of the lines and was in thewoods at a point where the trees grew thickly and only a half-beatentrail led through the underbrush. Then he quickened his pace and soonfound himself running.

  If he were pursued, he had fully made up his mind what he would do. Hewould never again see the inside of a German prison. He had therevolver and he would fight to the last breath. He might go down,probably would, considering the odds that there would be against him,but he would die fighting, and would take one or more of his enemieswith him.

  He was racing along now at top speed and he only slackened his gaitwhen he knew that he had put miles behind him. By that time it hadgrown wholly dark, and in the woods it was as black as pitch. He wassafe for that night at least. His enemies could not have seen him ifthey had been within ten feet of him.

  And the darkness brought with it a word of warning. While in one senseit was a protection, on the other it had in it an element of danger.He could no longer know the direction in which he was traveling. Heknew the danger there was of traveling in a circle. If he kept on hemight swing around in the direction of the German lines. And it wouldbe a sorry ending to his flight to have it finish at the very pointfrom which he had started.

  He made up his mind that he would curl himself up in some thicket andsnatch a few hours of sleep. At the first glimmer of dawn he wouldresume his journey. Then he could see, no doubt, the American lines,from which he knew he could not be very far away. The big guns, too,that had now settled down to their nightly muttering, would be in fullcry at dawn, and sound as well as sight would help him.

  He found a heavy clump of bushes into which he crawled. He had no fearof oversleeping. He knew that his burdened mind would keep watch whilehis body slept, and that he would surely wake at the first streak ofdawn.

  Some distance ahead of where the old Thirty-seventh was posted on thefar-flung battle line, the Army Boys were on sentry duty. It was theturn of Corporal Wilson's squad to perform this irksome task, and theywere glad that it was nearly over and that soon they would be relieved.

  Their beats adjoined each other and there were times when they met andcould exchange a few words to break the monotony of the long grind.

  "This sentry stuff doesn't make a hit with me," grumbled Bart. "I'mgetting blisters on my feet from walking."

  "Where do you expect to get them, on your head?" laughed Frank. "Cheerup, old man. The sun will be up in a few minutes and then the reliefwill be along."

  "It can't come too soon," chimed in Billy. "Gee, but I'm hungry! Thisearly morning air does sure give you an appetite."

  "If only something would happen," complained Bart. "It's the deadlymonotony of the thing that gets my goat. Now if a Hun patrol shouldcome along and stir things up, it would be worth while."

  A sharp exclamation came from Frank.

  "Look out, fellows!" he warned. "I saw those bushes moving over on theslope of that hill just now and there isn't a bit of wind."

  In an instant they had their rifles ready.

  The bushes parted and a figure stepped forth into the open.

  "Why, it's one of our fellows!" said Bart, as he saw the Americanuniform.

  "Been out on scout duty, I suppose," remarked Billy.

  Frank said nothing. His keen eyes noted the newcomer and his heartbegan to thump strangely.

  As the soldier came nearer he took off his hat and waved it at them.

  A yell of delight broke from the startled group.

  "It's Tom! It's Tom! It's Tom!"