CHAPTER VI

THE TUNNEL

Fred found the secret passage much less confusing than he had thought it likely to be. As soon as he had stepped in, the panels slid back into place, and the passage was immediately dark. But Boris had had time to find an electric torch for him, and had told him where to find another—or two or three, for that matter—when that was exhausted.

"We've always kept them there in case of emergencies," he had explained.

So Fred had felt assured of a supply of light, which was the one absolutely necessary thing if, as was entirely possible, the German soldiers stayed in the house for any time. One other thing, of course, was necessary; food and drink. And that, too, he knew where to find. Boris had told him of a store of compressed foods, and of fresh water, piped into this amazing passageway from the outer entrance, far beyond the limits of the gardens and grounds of the house.

The first thing Fred did was to switch on the light of his torch and inspect the warren in which he had found sanctuary. It was not at all the musty, bad smelling place he had expected it to be. The walls had been plastered and stained a dull grey, which did not reflect the light from his torch appreciably. The arrows appeared, as Boris had said they did, at frequent intervals.

"Not much of a secret." That was Fred's first thought. "But it needn't be. The men who worked in here are the ones the family can trust absolutely, I suppose."

It gave Fred a certain thrill to feel himself in touch with such things, to know that he belonged to such a family as the Suvaroffs, capable of inspiring such devotion in its retainers—which, though Boris regarded it as a matter of course, seemed a great thing to Fred, with his American upbringing.

"What a piece of luck!" he reflected. "Imagine my stumbling on such a splendid fellow as Boris! If it hadn't been for all this trouble, I might never have known I had a cousin! And he's the sort of cousin I call worth having! He amounts to something—and I don't believe he's as old as I am. Well, I've got to show him that an American scout can keep up his end! I'll try to play the game with him."

It made up for all the trouble he had had since he had first seen his uncle. He was more puzzled than ever, after what Boris had told him, to account for the behavior of Mikail Suvaroff.

"I'll bet there's some explanation," he said to himself. "I certainly hope so! Seeing Boris makes me inclined to like these Russian relatives a whole lot, and I'd like to think that Uncle Mikail could square himself somehow. He's got a whole lot to make up for, of course."

Though he did feel that very strongly, he was able now to frame a thought that had come to him more than once after he had become certain that it was Prince Suvaroff who had caused his arrest. And that was that Suvaroff had seemed far too big and important a man to do a small, petty thing.

"He's got a wrong idea of me, some way," Fred decided. "He has heard something, or made up his mind to something that isn't so. Well, I hope I get back to Russia and stay out of jail long enough to find out what was wrong. Perhaps this war will make a difference, especially if I'm lucky enough to be able do something for 'Holy Russia'."

Fred moved along quietly while he was thinking of the extraordinary sequence of events that had brought him to where he now was, flashing his light on the arrows, and looking for the double mark that would show him he had reached the spot of which Boris had told him. But when he got there he had no need of any sign, for he could hear voices distinctly on the other side of a very thin wall. Boris was speaking.

"I'm so sorry, Herr Hauptmann," Boris was saying, in faultless German. "I did see some of the peasants chivying a fellow down below. And I did go out, of course, in my car, to see if I could help him. I got him away from them. But he didn't come all the way back. He wanted to go on, and it's not just the time I should choose for entertaining guests. So I didn't urge him to stay."

"I'm sorry to seem to doubt your word. In fact, Prince, I don't," said a rumbling voice, that of the German captain Boris had been addressing, as Fred could guess. "But was this person you rescued so—chivalrously—an Englishman?"

"I really don't know, Herr Hauptmann. He might have been. Or an American. One or the other, I should think."

"Clever Boris!" thought Fred. "He'll tell him some truth and some fiction! He has got to deceive him, of course—that's war."

"I have reason, Prince, to think that he was an English spy," the captain went on. "You will allow my men to make a search? And, by the way, I shall be sorry to take away your servants, but my orders are to arrest and send to detention camps every man of military age I find here."

"I understand, captain. I am entirely in your hands, of course. I should like to know if it will be possible for me to return soon to Russia?"

"You must go to higher officers than myself, Prince," said the captain. "If it rested with me—! But, of course, it does not. If you see your father soon, however, will you give him my compliments? And tell him from me that I should esteem it an honor if we should meet in the field?"

"Gladly, captain. It is a pity that such good friends and neighbors as we have all been must be enemies, is it not? But it was not our doing."

Fred frowned a little.

"That sounds rather bad," he said to himself. "If this captain has lived near here, he must know a good deal about the place. And, by George, if they make a search they will find the wireless machinery that Ivan brought in with him! It may be a mighty bad thing for this house and for Russia that Boris saw me and brought me in, though it was certainly lucky for me!"

But even then Fred did not guess the extent of the trouble he had really caused. He listened intently, but for a time there was silence beyond the wall. Then he heard a murmur of voices, and guessed that a report of the search for him was being made. And then the captain's voice boomed out.

"Prince," he said, "I must ask you to come with me and to consider yourself under arrest. It is very painful but those are my orders. Colonel Goldapp wishes to see you. I think it is only a form."

"What? You will take me away?" Fred caught the dismay in his cousin's tone, and winced slightly. But then he understood that it was not fear for himself that moved Boris, but anxiety lest the important plans of which he was such an essential part should be spoiled. "But my father—he thinks that I am safe here until he can make arrangements for me to return to Russia."

"I am sorry." The German's tone, gruff though it was, was by no means unkindly. "Orders, however—I have no choice. Doubtless you will be allowed to return as soon as the colonel has seen you."

"Well, there is no use in arguing, of course," said Boris. He raised his voice, and Fred understood that what followed was meant especially for his ears. "Where will you take me, Herr Hauptmann?"

"Colonel Goldapp's quarters are at present in the parsonage near the village. You will be examined there, Prince. We shall be there to-night, at least, perhaps longer."

"I see. I will be ready in a few moments. Will you excuse me if I write some instructions for Vladimir, who will be in charge after I go? You may, of course, read what I write."

"Assuredly."

Then there was silence. The room outside was so quiet that Fred had a chance to realize how perfectly the place in which he was hidden served its purpose. He could hear the heavy breathing of someone near the wall. Then a chair scraped along the floor, and in a moment he heard the scratching of a pen. And then there came a new sound, a tapping, as with two fingers. That was Boris, and quite suddenly Fred understood. Boris was tapping out a message to him in telegraphic code.

"You must take charge here," Boris tapped with his fingers. "I will tell Vladimir to get you as soon as it is safe. The parsonage where I will be taken is very near the outlet of the secret passage. If Ivan returns, tell him I am there, and that I will sing or whistle the song of the Volga boatmen from time to time, so that he may know the window of my room, if there is no guard in the room with me. Do not answer, for they might hear."

"Good boy! He certainly has nerve!" said Fred to himself, admiringly. "He doesn't know what's going to happen to him next, but he is certainly doing all he can to make things come right."

Then there was a new confusion of noise outside. Fred heard Boris call Vladimir and speak to the old servant in Russian. Then the German officer gave Vladimir his instructions.

"This place will be left alone for the present," he said. "Prince Alexander Suvaroff has been a good friend and neighbor, and, though he is an enemy, we desire to respect his property as long as possible. But neither you nor any who are left in the house with you must go out—this for your own safety—except to get food and then go yourself."

Fred heard a general movement then, and guessed that they were going out. Silence followed, and, after listening for a time, he decided upon an exploration of the secret passage. A vague plan was taking form in his mind already. It seemed to him that, as he was at liberty, he should do anything that was in his power to free Boris. Until he knew more of the lay of the land, he could not even make a real plan, but it was possible, he thought, that something that was in his mind might easily prove to be feasible.

It was easy, with his torch and the guiding arrows, to follow the devious, winding course of the passage. He surmised that its ascents and descents, which seemed arbitrary and unreasonable as he pursued them, were due to other entrances than the one he knew. It would be necessary, as he could understand, to have more than one means of getting in andout of such a passage. And when he found himself at last going in a straight path which sloped easily downward, he guessed that he was beyond the house, and that he had come to a part of the passage that led to the outer world.

Here there was a trace of dampness, but nothing like what might have been expected in what was really a tunnel. Fred had to admire the excellence of the construction work. The descent, as he knew from what he had seen outside, must really be very sharp. But it was managed here with turns and zigzags so that the grade was never very sharp.

Fred became suddenly conscious of a change in the air.

"I must be near the opening," he thought.

A couple of minutes proved that he was right. He now remembered thatBoris had not had time to tell him how the door or gate was operated. But he decided not to go back at once, but to try to discover the secret for himself. It had occurred to him that it was more than probable that a sentry or two might be left in the house, and he had no mind to stay in the passageway, helpless and useless, if Vladimir found it impossible to let him out at once.

At the end of the passage he found a solid, seamless door. He decided at once it must work on an axis of some sort and that it must be set in motion by pressing a spring. And so, steadily and systematically, he searched the whole door, until he struck the right spot at last. As the door moved, he marked the spot with a tiny pencil mark. It swung open—and he looked into the eyes of a startled German soldier, his mouth wide open!

A DARING RUSE

It would be hard to say which was more surprised—Fred or the soldier. For just a moment they stood, both of them, perfectly still, staring at one another with fallen jaws. And then Fred acted by pure instinct, and without the semblance of a plan in his mind. He had played football in school and on the team of his scout troop in America. And now he dived for the astonished German's legs and brought him down with a flying tackle. The heavy gun flew out of the soldier's hands, and, fortunately for Fred, he fell so that his head struck the ground heavily. He was stunned and, for the moment at least, safe and out of commission.

There was time, therefore, for Fred to see how the ground lay. He found that he was in a slight hollow, sandy in the bottom, where he stood and the soldier lay. He imagined that at certain times this hollow might be filled with water, for the sand had that appearance, and, moreover, there was a gully, evidently washed out by water, leading down into thepit.

"Wonder how long he's good for?" speculated Fred, looking at the soldier. "A few minutes, anyhow. He got quite a bump!"

He satisfied himself in a moment that the soldier was not badly hurt. He was a ridiculous figure as he lay there sprawled out. His breathing was heavy; it sounded almost like heavy snoring. He was very young, scarcely more than a boy himself. His uniform was entirely new, as was his equipment. He was very slight too, and his face was typical of a certain sort of German. He looked, Fred thought, like a bird. It was a queer idea, and he laughed as it came to him, but it did describe this German absolutely.

"I'll risk it," Fred decided. He hesitated about the door. Perhaps he ought to close it. But if he did, he couldn't open it again from this side for that was a secret he hadn't learned. And, after all, the only danger was that the soldier might come to his senses and go in—and if he did that, Fred could follow him. So taking the rifle, he crawled along the gully the rain had washed out, moving very cautiously. As he neared the top, he lifted his head and saw, not more than fifty yards away, a grey stone house, simple and unassuming. A flag pole had been put up in front of this house, and a German flag drooped from it. Soldiers were all about the place, and two automobiles stood before the door. Motorcycles were lying on the ground. While Fred watched, two men rode up on the snorting, crackling little machines and hurried into the house.

This was undoubtedly the parsonage, now being used as the headquarters of Colonel Goldapp. Fred's heart sank as he surveyed the place. It seemed to him that there wasn't much chance that he could rescue Boris. There were too many Germans about. Even though there was no reason for the staff to anticipate an attack, he could guess that the place would be well guarded. And yet he was here because he hoped that he would be able, after seeing the parsonage, to devise some plan of getting Boris away.

However, that was something to be attempted later, if at all. His chief concern now was for the soldier he had thrown. And now he made his way back, and found to his dismay that the man was beginning to recover his senses. As Fred came back he stretched, yawned, and sat up, with the most ludicrous mixture of fright and wonder in his eyes. Fred had his gun, and at the sight of that the soldier spoke indignantly.

"Give me back my gun!" he said, testily. "It is against the rules for anyone to touch my gun. If you let the corporal catch you with that, there'll be trouble. I promise you!"

Fred had hard work to control his features. He wondered if the man was really a little simple-minded, or if the effects of his fall still confused him. He finally decided that both theories were right. For a moment he hesitated, wondering what to do. He wanted to get back into the passageway, and he did not want the German to see him doing it. As he thought, he studied the entrance attentively. And he was startled suddenly to find that he could not seeit! Had something happened? Had the door closed automatically? If that were so, he was in a nice fix, and he would soon join Boris as a prisoner.

But then he realized that the seeming disappearance of the opening was simply the result of clever screening, by means of bushes. It had deceived him for the moment. He saw that the door was so contrived that anyone emerging from it would seem to anyone even a few feet away, to be simply coming out from behind a bush. And then he got his great idea, an idea that made him turn his head, so that the soldier would not see the grin he could not suppress.

"Here, give me that gun!" said the soldier, again. He was more impatient than before, and his tone was one of anger. He struggled to his feet, too, and stood, swaying uncertainly, still weak and very dizzy as the result of his fall.

"Beware!"

The word came in a sepulchral, heavy voice from directly behind the soldier. He swung around, greatly puzzled.

"Who's there?" he called, sharply.

"I am everywhere!" said the same voice.

But now it came from the very ground at his feet.

And then the voice spoke, swinging around, as the soldier turned, like a dancing dervish, trying always to face the voice, only to have it come from some new quarter.

"Attend carefully to what I say!" said the mysterious voice. "You have risked death by coming to this spot! But I am merciful, and I wish to preserve all soldiers who fight for their fatherland! I am the spirit of this place! I command you to go! Go up the gully. Stand with your back turned to this place and count one hundred. Then, and only then, you may return. Your gun will be here, and you may then go in peace. This ground is sacred to me. On your life, when you have regained your gun, go! Do not look back! Do not hesitate! And, above all, tell no one what you have seen! I have spoken!"

The soldier was trembling now in every limb. He looked hard at Fred, asif he suspected that he might have something to do with this mysterious, awesome voice. But Fred's lips had never moved. Fred, at home, had often amused the guests of his family and the gatherings of the scout patrol to which he belonged with this trick of ventriloquism. But the German evidently had never heard of such a thing. And suddenly he broke into a run. He made for the gully and ran along it with stumbling feet.

"Now stop!" boomed the voice—directly in front of him! "Not a step further! Begin to count aloud. But do not shout!"

"Ein, zwei, drei, vier—" began the German, obediently.

And Fred, half choking with suppressed laughter, slipped behind the screened entrance of the secret passageway, while the soldier's back was still turned. He did not quite close the door, but waited to make sure that the German's curiosity did not get the better of his fright, which had certainly been real enough. But it was all right. The man counted right up to a hundred, and once or twice, to Fred's huge amusement, when he stammered, and lost track of his numbers, he went back and counted several of them over again! But he finished at last, and Fred heard him come stumbling down the gully. He seemed to hesitate then.

"May I really go now?" he asked. "I did not know there was a spirit here, or I would not have come."

"Yes. Go, and quickly!" said Fred, throwing his voice out so it came from far above the soldier.

He heard the soldier running then, and in a moment closed the door behind him, and began retracing his steps along the secret tunnel.

"Gee! That was a close call!" he said to himself. "Serves me good and right, too, for doing more than I was told! I might have spoiled everything by not waiting until I knew more about the place. If that soldier hadn't been ready to see a ghost in anything he didn't have some reason to expect to meet, I'd be in a lot of trouble now. And yet I'll bet he's brave enough, too. If he had an enemy he could see and touch,he'd fight all right."

But Fred had more to think about now than what had happened, or what might have happened, either. He was more interested in what was to come next. He went along, flashing his torch. There was no sound at the thin wall, where he stopped, when he reached it, to listen for the sound of voices in the great hall. That encouraged him. He decided that if any soldiers had been left on guard in the place, they would have been in there. And when he came near to the panel by which he had entered, when he let his torch wink out he saw that there was a light ahead of him.

For a moment he caught his breath, wondering if some enemy had discovered the secret, and was waiting to pounce on him. But he went on, because he decided that if anyone were waiting they must know already that he was in the tunnel. And in a moment he came face to face with old Vladimir.

"The coast is clear, excellency," said the old Russian. "All the Germans have gone—a curse upon them! My master has told me to treat you as if you stood in his place until he returns. I have the things that Ivan brought. Is it your pleasure that I should deliver them to you?"

Fred was puzzled for a moment. Then he remembered the wireless.

"Oh, yes, by all means!" he said. "And show me the room where the wireless is. You know all about that, Vladimir?"

"I know where it is. I do not understand such devil's work, but I am an old man, and stupid."

Fred laughed.

"Perhaps it's devil's work, but if we have any luck it will be pretty useful to us," he said. "Come on, if it's safe for me to come out. There's a lot for me to do."

Vladimir led the way to the top of the house. On the roof, like a pent-house, there was a little room or cupola, and in this was a partially dismantled wireless installation. Fred was left there alone while Vladimir went off to get the things that Ivan had given to him for safekeeping, and he studied the installation closely. It was different from any that he had ever seen, but its leading principle, of course, was familiar to him. At first it surprised him to find that it was supplied with power by weak batteries, which the Germans had ruined.

"You couldn't send more than twenty miles with those batteries!" he said to himself.

But when Vladimir returned that was explained. For he removed a picture that hung on the wall and disclosed a number of wires.

"I do not understand," he said. "But my master and Ivan have told me that those wires that you see run down to a place far below the cellar, where there is a great engine that moves when petrol is put into it—"

"Oh, I see, a dynamo run by a Diesel engine, probably!" said Fred, suddenly enlightened. "That's a fine idea! They can develop power without steam! Costs a lot—but it's worth it, of course! I'll just try that out!"

Quickly he connected up the wires, tried out his key, after replacing the parts that had been taken away, and in a moment got a powerful spark.

"That's great!" he said, to himself, ignoring old Vladimir, who watched him in fascinated wonder. "I can send a long distance with that spark!"

Then he pounced on something he had overlooked before,—a little book bound in black leather. As he opened it, he gave an exclamation of joy. It was a code book, as he saw at once, and on the inside of the cover was a list of wireless stations, with their calls. There was one at Virballen, he saw, and a dozen other places just over the border, and running quite a distance into Russian territory, including one at Augustowo, were named.

"Ivan told me to guard that book as if it were my life," said Vladimir. "He said to put it in a safe place, and to destroy it if the Germans found it, even if they killed me for doing it."

"He was right," said Fred, soberly. "If the Germans got that book, it would be as valuable to them as a whole army, Vladimir."

"It is very strange," said the old man. "I do not understand, but I am old and stupid, and it is not for me to question my betters."

Fred sat down and studied the code for a few moments. More than ever he was glad now that his mother had always insisted that he must be able to read and speak her Russian tongue. He would have to send in Morse, instead of in the somewhat simpler Continental code, but that, he thought, would make little difference. Some operator would be certain to understand his sending.

And now he sat down and began calling Suwalki. He would have liked to call Virballen, which was nearer, but he was not sure that the Russians were still in possession of their station there, since he remembered that the Germans had had the superior force there on the Saturday night when the war broke out—a night that seemed to lie a century in the past now!

For a long minute he hammered out his call. And then through the air, over miles of hostile country, came a welcome whisper in his ear—the whisper of the answering call from Suwalki! He was in touch with Russia!

WITHIN THE ENEMY'S LINES

For many reasons Fred did not want to hold a long talk with the Suwalki operator. German wireless stations were undoubtedly at work in the surrounding country, and, though there was no great danger that his messages might be intercepted and read, it was not advisable, of course, to let the Germans, who were sure to be watchful, know that there was a private Russian station somewhere within German limits. The instruments here were tuned to a certain wave length, and he guessed that this was standard for all Russian military stations, and different from that of the Germans. But when he held his circuit to listen he got whisperings that sounded almost like static electricity. It was evident that a good many stations were sending, and that the air all about was full of the waves.

So he contented himself with a brief and direct report of what had happened, explaining why Boris was not himself present to make this report. He asked for information as to the movements of the Russian army, but got no satisfaction.

"We don't know ourselves," said the Suwalki operator. "Things are moving very fast, but absolutely no news is being given out. I know that our cavalry—Cossacks, chiefly—have crossed the border at half a dozen different points. The Germans and the Austrians have invaded Poland, and our troops have all been withdrawn from that region. The concentration there is going on at Brest-Litovsky, and behind the line of Warsaw-Novo Georgevsk. But here there are a good many troops. There may be Cossacks within a few miles of you. They are raiding. Here it is said that our first move will be to try to cut the German railways."

That was all he could find out. He arranged for word of Boris's seizure to be sent to his father, and then closed his circuit and went below, in search of old Vladimir.

By now it was afternoon, and Fred began to think that if Boris had been coming back that day he would have arrived already. Plainly, it seemed to him, Colonel Goldapp must have decided to retain him as a prisoner. He wanted to get down near the parsonage again, but he was afraid to venture out by the secret passage. He didn't know how thoroughly he had frightened the soldier who had so nearly caught him. If the man had recovered his wits and decided that it was no ghost, but a very substantial and real person who had bowled him over, there would doubtless be a guard in the hollow, by the outer entrance of the tunnel. And, in any case, it was too risky to seek egress by that means again in broad daylight.

"Vladimir," he said, when he found the old servant, "I want you to make me look like a German, if you can. Disguise me, so that I may go down toward the village safely. Is it possible?"

Vladimir studied him for a moment.

"I think so," he said. "There are plenty of clothes here, and there is a man who has often helped when there were to be private theatricals."

The transformation was soon completed, and when he looked at himself in a glass Fred had to laugh. His clothes were those of a Prussian peasant, and a few very slight changes in his appearance had been made by the man to whom Vladimir had spoken. They worked wonders, and Fred decided that he could go anywhere in Prussia now with impunity.

"Is it safe for you to leave the house?" he asked Vladimir.

"Yes, for they think that I am harmless," said the old man.

"I wish to know how to open the door of the tunnel from the outside," said Fred. "But I think it would be unsafe to go there directly. It will be better for you to start out and get there as if you had gone by chance. It is near the parsonage where my cousin is, and if anyone questions you, you could say, I should think, that you wanted to be near your master."

"Yes," said Vladimir. "That would be safe."

"Then do you go there and stay, unless they drive you away. I will go there, too, if I can, and if the coast is clear and no one is watching, you can show me. Unless, indeed, you can tell me now?"

"It will be better for me to show you," said Vladimir. "The looks of the outside change constantly. A storm will destroy a bush, or some other landmark there, and, though I could touch the proper spot in the darkness myself, I would find it hard to describe it to you. I will start at once?"

"Yes. And I will come to you, if it is safe, as soon as I can. I should not be more than ten minutes behind you in reaching the hollow."

Nothing about the whole adventure upon which he had embarked so strangely, and with so little intention on his own part, impressed Fred more than the unquestioning obedience old Vladimir yielded to him. More than ever before, he realized that the Suvaroffs must indeed be as great a family as his mother had declared. Though she had become a true American, Mrs. Waring had never ceased to love the land of her birth, and she had always tried to impress Fred with her own feeling for the great house to which she had belonged.

"Such families as the Suvaroffs can do much harm to themselves and to others," she had said. "But they can also be of great service to those of their blood, to those who are dependentupon them, and to their country."

The truth of this was constantly being impressed anew upon Fred at this time. He was struck especially by the difference between the way that the people of this house treated Boris and himself, and the attitude that had been noticeable in those who had served his uncle, Mikail Suvaroff. Mikail was decidedly a greater figure than Boris's father. Yet it was not devotion that he seemed to inspire. He won obedience, not because his people were devoted to him, but because he had filled them with fear, and because they knew the consequences that would certainly follow if he were displeased in any way.

It was still light when Fred left the house. He went out by a side entrance, reaching the road from the garden. Vladimir had gone down the hill before him. It was understood that he would manufacture some errand as an excuse for his appearance in the village. A number of the people of the village were in the road near the great house; they stared at it curiously, and with hostile murmurs. They paid no attention to Fred, however, and this convinced him that his disguise was good. He passed near them, and he breathed more freely when he had gone by.

At the foot of the hill he turned away from the village. Here he remembered something that both amused and annoyed him. He had not asked just where the parsonage was. He knew its location with reference to the outer portal of the tunnel, to be sure, but he had come to that underground. However, he remembered where the sun had been when he had emerged into the open air before, and, after some profitless scouting about, a passing motorcycle set him on the right track. It set him thinking, too.

"There are an awful lot of these fellows with dispatches running about," he said to himself. "It seems to me that this place is more than a colonel's headquarters. A colonel has just one regiment under him, and he certainly wouldn't need so many riders to carry his orders about—unless he were in command of a detached fort or position, and Colonel Goldapp isn't. I guess he's there, right enough, but I've an idea there's someone more important, as well. It might be worth while to find out just what is going on around here."

But that could wait. For the moment his task was to meet Vladimir and then to spy out the parsonage. Meeting Vladimir proved easier than hehad hoped. He followed the trail of the man on the motorcycle until he was within sight of the grey stone parsonage, and then had his bearings exactly. He approached the hollow cautiously, but no one was around. The ground was fairly soft; there had been rain within the last three or four days. And so, as he approached the spot of his encounter with the superstitious soldier, Fred was able to tell that no visitation had been made to the hollow. He marked the footsteps of the soldier; the man had evidently run from the place.

Looking around cautiously, he saw that everything was clear, and dropped down on hands and knees as he reached the gully. Vladimir was waiting, and in less than a minute explained the secret of the door.

"All right," said Fred. "Now you get back to the house, and either be near the entrance to the passage yourself, or keep someone stationed there. I don't know what's going to happen, so I can't tell you, but I think that maybe I shall get Boris away from the parsonage."

Vladimir's eyes gleamed.

"I am an old man," he said, "and I fear that I am useless. But if I can help to rescue him—"

"If you can help, I'll let you know," said Fred. "But I don't know yet even how I shall set about it. And I think it's more important for someone we can trust absolutely to be in the house. There may be nothing for you to do there, and yet, if anything does come up, you will be needed there very quickly. Shall you go back through the tunnel?"

"No. They may have watched me as I came out, and it will be better for them to see me return. No one suspects the tunnel yet, but some of these Germans are clever."

"Right! Well, I know how to get into it now from this end, and that may help a lot. But I hope that when I use it again Boris will be with me."

He let old Vladimir go out first. Then, after waiting for several minutes, he went up the gully in his turn, and set out boldly and with no attempt to hide his movements, for the parsonage.

There was even more activity there now than there had been when he had first set eyes upon it. There were more automobiles; four of them altogether. At the wheel of each sat a soldier driver in grey uniform, and with a cloth covered helmet. Each car was of the same type, a long rakish grey body, low to the ground. As he neared the house an officer wearing a long, grey coat came out, accompanied by two or three younger men. He turned to speak to them, then got into one of the cars, which immediately drove off. As it went a peculiar call was sounded, more like a trumpet than an automobile horn. Fred guessed then what he afterward learned to be a fact; that the automobiles used by the German staff officers on active service had horns that indicated the rank of the officer using them.

It seemed to Fred that there were more officers than soldiers about. There seemed to be only enough soldiers to provide a guard. Sentries were all about, but there were officers almost in swarms. He walked along, indifferently rather than boldly, and he was sharply challengedwhen he drew fairly near to the house.

"You can't go any further, youngster," said the soldier. "The staff has taken this house."

Fred stared at him rather stupidly, but turned away. Then he was called back suddenly, and for a moment his heart was in his mouth at the thought that his disguise had been penetrated and that he was about to be made a prisoner. Like Boris, he was concerned only with the effect of this upon his plans. He did not think of his own safety, although, had he been caught, he might have expected the fate of a spy, since he was in disguise within the German lines. It proved, however, that he was not to be arrested. A young captain was eyeing him sharply.

"Come with me, boy," he said. "We are short of servants in the house here. You will do."

For a moment he was indignant, but then his heart leaped happily. If he was taken into the house as a servant, he could find out all and more than he had hoped, and that without risk.

"THERES MANY A SLIP—"

Once inside the house, Fred found a scene of orderly confusion. That is, it looked like confusion to him, but he could see that, for all thebustling and the hurrying that went on, everyone knew just what his part in the work was. Telephone bells were ringing all the time, and Fred noticed now that wires entered the house through the dining-room window. Evidently a field telephone system had been installed and connected this house with a whole region, of which, in a military way, it seemed to be the brain. Then Fred heard a voice that he recognized at once, and started at the sound, until he placed it as that of the captain who had taken Boris away, and remembered that the captain had not seen him, even before he was disguised.

Fred's work, he soon found, was simplicity itself. He was to do the bidding of any officer. He was sent on errands, from one part of the house to another; often he carried written messages, handed to him by staff officers, to the room in which three telegraph operators were hard at work. Generally speaking, he was there to do odd jobs and make himself generally useful. Luckily, he was taken for granted. Everyone seemed assured that he was one of the village boys, pressed into service because he happened to be the first one to come along.

But for the first hour or so it was impossible for him to make any attempt to discover if Boris was still in the house. He was too busy, and he dared not spoil his opportunity to learn something really worth while by seeming to spy about. He was rewarded before long for his patience, for just as he was beginning to despair, an officer spied him in a moment when he was not actively engaged upon some errand.

"Here, boy," called the officer, "take this tray!"

Fred took a tray from a soldier who was holding it awkwardly.

"Take it upstairs to the room on the third floor where a sentry is on guard. He will let you in. When the prisoner there has finished his meal, return with the tray to the kitchen. Do not let any knife or fork or spoon stay in the room when you go. So you will make yourself really useful and release a man who can do things for which you are too young."

It seemed to Fred, as he started upstairs with his tray, that this luckwas almost too good to be true. He scarcely dared to hope for what had seemed to him the inevitable explanation of his errand. But when the sentry opened the door of the locked room, and he looked in, he saw Boris sitting dejectedly on the side of a bed. It was all he could do to suppress a cry of delight, but he managed it, and he was hugely tickled as he saw Boris's indifferent glance at him. His disguise must be good, or Boris would have known him. He put the tray down, and then walked to the window. He looked down first, and then up. Then with a grin, he turned to his cousin.

"Not a word," he said, quickly. "Do you know me?"

Boris stared; then a smile broke out all over his face. There was no need for him to put his answer into words. Fred came very close.

"Speak low, but do not whisper," he said. "Tell me, what have they done to you?"

"Nothing. Colonel Goldapp has been too busy to see me."

"I don't wonder! Boris, this is no colonel's headquarters. It is more like that of an army corps. And there is at least one general here. His name is von Hindenburg."

"Von Hindenburg? He is commander-in-chief in East Prussia! If he is here, there must be a German concentration in this region! They did not expect that! Oh, I must get out and get the news back—"

"Yes. The wireless is working. I talked this afternoon to Suwalki."

And in a few words he told Boris the essential facts of what had happened since the raid upon the great house on the hill on that morning.

"How often do they come in here?" he asked.

"Only when my meals are brought to me. There will be no one else now to-night, I think, unless Colonel Goldapp sends for me. They are very polite. I think I shall be alone most of the time. They have noidea that I will try to get away, because they think I know they have so many sentries and patrols about that it would be useless for me to try to do it."

"Listen, then, Boris. I will go now. I think they will let me go now. I have been working hard for them about the house. But I will come back later. Stay near your window, so that I can see a handkerchief if you hold it. Then I will throw up a stone with a string tied about, and you can draw up a rope and slip down. If this general is so important we ought to let them know. I will send the word by wireless and then come back."

"Good! It is risky for you. They wouldn't spare you if they caught you trying to help me to get away. But if you can manage it at all, have clothes like the ones you wear ready for me, in a bundle. Vladimir will get them for you."

Fred nodded, and was off at once. He was detained a little time when he went down with the tray, but he pleaded finally with a kindly looking officer, telling him that he was very tired, and had not expected to stay away from home so long, and was allowed to go. He went to the opening of the tunnel, found that the place was unguarded, and decided from the general appearance of the hollow that it was not visited by soldiers. Indeed, it was within the outer line of sentries, and, in a way, safer because of that. Had it been beyond that line, it would have been much harder to reach.

The operator at Suwalki, when he called him by wireless, complained bitterly, saying that he had been trying for hours to get an answer. Boris's father had been heard from and was extremely anxious to get into touch with his son. But it seemed the news that Fred sent made up for this. The man at Suwalki was incredulous.

"Our information is that General von Hindenburg is many miles fromwhere you are," he flashed back. "Are you sure of your facts?"

"Absolutely sure," Fred answered. "Do you want the exact location of the house used as headquarters? I can describe it for you if you have the village shown on your map."

"Yes. Give it to me," came the answer.

Before he finished his wireless talk, Fred felt that the Russian operator did not fully trust him. Nor did he blame him. He knew the excellence of the German spy system; he had heard a good deal about it from Boris, and, for that matter, before he had even seen Boris at all. So he only laughed, though he hoped that this feeling would not prevent the Russians from using the information he had given. He could not see just how it was to be useful to them, however. Possibly the fact that von Hindenburg was here, and not to the south, was the important thing.

By this time it was growing dark, and Fred decided that it would soon be safe to try to throw the cord up to Boris's window—as safe, at least, as it would ever be. He got a bundle of clothes from Vladimir, and this time he determined to travel through the tunnel, since he knew that if he went by the outside route he would have trouble in getting through the sentries. Luck was with him again. He was nervous as he opened the door and came out into the night, but there was no one about. At a little distance he could hear steady footsteps; evidently a sentry was walking his beat near by. But Fred's scout training had taught him how to move quietly and he slipped through the gully and toward the house without raising an alarm.

Once he was on the right side of the house, he found shelter in a clump of bushes, where, unseen himself, he could study the situation. His first thought was of the house. He soon found the window of Boris's room. Immediately below it were the windows of corresponding rooms, and one of these was lighted. This made him pause at once. For the rope to be drawn up, or for Boris to show himself before that lighted window for even the moment of a swift descent, might well be fatal. That was one point, but he speedily devised a way of overcoming that.

There was another danger to be considered, and it took him longer to calculate this. Naturally there was a patrol about the house. Fred himself had had to avoid the sentry, making his steady round. Now he lay in the bushes and timed the man's appearances for nearly half an hour. There were two men, as a matter of fact, and they met on each circling of the house. Fortunately, their meeting came at the very end of the garden. So Fred was able to work out a sort of mental chart of their movements, and to confirm it by timing them. The two sentries met on his side of the house at the eastern end. The first walked west, the second north. The one who walked west had his back to Fred and to the window where Boris waited for a minute. Then he, too, turned north. Then came a blessed interval of just a minute, in which neither sentry was in sight. Altogether, there was a period of almost two minutes in which no eye would be fixed on Boris's window, unless the sentry chanced to turn and look back.

To make sure, Fred studied both men. And not once did either of them look back or up. Their attention did not seem to centre on the house at all. It was as if their instructions were more to prevent a surpriseattack from outside, or the coming of some spy, than to watch those who were already in the house.

Once he had made up his mind, Fred buried himself deeper in the shrubbery and risked using his pocket flashlight while he wrote a note to Boris, telling him what he had learned of the movements of the sentries. He told Boris, also, not to draw up the rope at once, but to climb from his window to the flat roof, something easy enough to manage, and then to move along five paces. There the rope, when it was drawn up, would be invisible against the grey stone of the house wall, whereas, against a lighted window, it would show up so plainly that the most stupid sentry would be sure to see it.

Fred had substituted a tennis ball for the stone he had originally intended to throw. The ball had many advantages. In case his aim was bad, the ball would not make a noise if it fell or if it struck against the wall, while the sound of a stone would have betrayed them had he failed to put it through the window. Now he tied his note to the ball, making it firm and secure with the end of a ball of twine. About his body he had coiled a long, very thin,very strong rope. After Boris had the end of the cord he would fasten the rope to his end, and so enable Boris to draw it up. And to guard against losing the end of the cord, he tied it to his own left wrist.

He waited for the sentries to meet; gave the one who stayed on his side a start, and then, taking careful aim, threw his ball. At home Fred had played baseball. More than once a game had depended on the accuracy of his toss of a hot grounder to the first baseman. In basketball games, he had stood, with the score tied, to shoot for the basket on a foul, when the outcome was to be settled by the accuracy of his throw. But never had he been as nervous as he was now. The ball flew straight and true, however. He saw it enter the window. And the next moment a tug on his wrist told him that Boris had it.

He waited breathlessly. Then two short pulls signalled that Boris had read his note and would follow his instructions. He gave three sharp tugs, and then settled down to wait, with beating heart, for now the crucial test was coming. The other sentry was about to appear. If he noticed the thin string, by any chance, thewhole scheme would be spoiled and Fred, in all probability, would be caught and treated as a spy.

The man came around the corner of the house, walking slowly, his head down. As he neared the twine he stopped for just a moment and looked up. Fred scarcely dared to breathe. He knew what had happened. The twine had brushed against the sentry's cheek. But then a puff of wind carried it away, and the man went on, brushing at his cheek, thinking, perhaps, a moth had touched it.

One sharp tug of the twine. That was the signal to Boris to go ahead. His eyes strained on the window, Fred saw his cousin's figure appear on the sill, saw him climbing swiftly up a water pipe, and then saw him drop to the flat roof, hidden for the moment by a low parapet. Then there was another period of agonized waiting, for again a sentry was to pass. Fred used the brief interval of enforced inaction to loosen the rope and place it on the ground, tied to the loose end of the twine he took from his wrist, so that it would have a clear passage through the bushes. Then the coast was clear again, and he signalled to Boris to draw it up. Up, up went the twine; then the rope started. And at last it dangled against the side of the house. Fred, knowing it was there, could scarcely see it himself. He decided that the sentries would never notice it.

Then came the last pause. And when the sentry had passed the rope, Boris slipped over the parapet and started his descent. He had to come quickly for he had less than two minutes to reach the ground and join Fred in his shelter. Down he came, hand over hand, so fast at the end, when he just slid, letting the rope slip through his fingers, that he must have burned the skin from his palms. But he made it, and came running toward Fred. He was crouched low against the ground. But, just before he reached the bushes there was a shout from above, a flash, a loud report. A bullet sang over Fred's head, and the next moment the garden was alive with rushing, shouting men, ablaze with flashing points of electric light. They tried to hide in the shrubbery. But in vain. At this last moment, when Fred's plan had seemed sure of success, disaster had come—for some German officer, going on the roof, had been just in timeto see the rope and spoil everything with his chance shot!

SENTENCED

Both Fred and Boris recognized at once the hopelessness of flight. Both thought instinctively of the hollow and the concealed entrance to the tunnel, and both knew that to attempt to use that now would not save them, and would give away a secret that might be supremely important at some future time, either to them or to someone else among those who shared the precious secret. The grounds were flashing with light in all directions; soldiers called to one another; men ran all around, lookingfor them.

And yet, hopelessly caught as they were, neither could give up supinely. Both had the dauntless fighting spirit that must be conquered, that will never give up, not only while hope remains, but while disaster, be it ever so certain, has not actually come to pass. They were in a sort of thicket, almost as thick as a primeval jungle. At the same moment the thought seemed to come to each of them that the one chance for momentary safety lay in keeping perfectly still. They were side by side, wedged in a little opening they had made for themselves, and now they went down together.

All about them the din of the pursuit continued. Officers were pouring out of the house to join the hunt. Shouts and cries resounded. Fred had to smile to himself. It seemed to him that the boasted system and order of the German army could not be what he had always heard about it if the escape of two boys could produce such a disorganization.

And then there was a sudden diversion. The noise seemed to die away. It did not cease for there was still a good deal of talking, but there was no more shouting, until there was a sudden whirring sound.

"An aeroplane!" whispered Boris. "I've seen them for the last few days, flying in all directions. They use them for scouting."

"I knew I ought to recognize that sound!" said Fred.

It seemed fairly safe for them to speak to one another now. For some reason it was quite evident they had been forgotten.

There was an interval of almost complete silence; then came a sudden explosion of orders. Half a dozen motorcycles sprang into crackling life; there was the unmistakable din of a powerful aeroplane engine, which, with no muffler, is noisy enough to wake the dead. Then came the whirring of its propeller. They were sure that if they only dared to raise their heads, they would see the machine rising near by.

But there was more to follow that was just as inexplicable. The motorcycles chugged away; then three automobiles started. Their engines roared for a moment before they subsided to the ordered, steady hum of a smooth running motor. On the first car that got away there was a horn that made Boris start convulsively as he heard its bugle note, and grasp Fred's shoulder.

"That horn belongs only to a car used by a full general!" he said. "It must be von Hindenburg going, Fred! That flying machine brought important news!"

That had been evident to Fred almost from the first. He wondered mightily what was going to happen next. It seemed incredible that the Germans, knowing that he and Boris must soon be found, and that only patience was necessary if they were to be caught, would so quickly give up looking for them. And yet—Boris was right, of course. A general would not depart with such abundant evidence of haste and sudden decision unless some grave news had come through the air.

One question was soon settled. Scarcely had General von Hindenburg's car started, with the musical call of its horn clearing the way for it, when the search for the two scouts was renewed with as much vigor as had been shown before the coming of the aeroplane. And this time it was speedily successful. There was less din and confusion. Fred saw at once that some officer with a cool and level head had taken charge. The searchers nowdid the simple, obvious thing. They divided the grounds up into sections, and beat over each section thoroughly, with the result that a corporal and a private speedily came upon Boris and Fred, and, raising a sort of view halloo, dragged them out into the open, flashing their electric torches in their eyes.

"Here they are!" cried the corporal. "Herr Hauptmann, here they are!"

A captain came up quickly, and at the sight of Fred exclaimed sharply in his surprise.

"You're the boy I chose to help with the work in the house here!" he said. His face darkened. "He is a spy! Take him into the guard room and lock him up." He barely glanced at Boris. "Yes, that is the other. See that he is taken back to his quarters, corporal, and that a sentry remains constantly on guard."

"He is not a spy! If he is one, then so am I!" Boris broke out in a sharp protest. "He must be treated exactly like myself, or I must beused as he is!" throwing caution to the four winds.

"I am giving the orders here," said the German, coldly. "We have no desire to treat you harshly, Prince. You and your father have won the liking and respect of all your neighbors here, and it is a matter of regret that we must detain you at all. But you must be able to see for yourself that there is a great difference between an open enemy like yourself and one who pushes his way among us to get what information he can—"

"I beg your pardon, captain," Fred interrupted, thoroughly awake by this time to the danger in which he stood. "It was by your orders, and against my own protest, that I came into the house here at all."

"You will have an opportunity to explain all such matters at your trial," said the captain. "I can assure you that all will be done in aregular fashion, and that you will have every opportunity to defend yourself. Colonel Goldapp will doubtless arrange for a quick hearing since we shall not be here much longer."

Fred was quite cool and collected. He was frightened, to be sure, and he was brave enough to admit that to himself. He had good reason to be frightened. There is no offence more serious than espionage in time of war, and by every rule of war he was a spy. He had pretended to be a German, which he was not, and had been found within the German lines. It was true, of course, that he had been ordered into headquarters, but that was a trifling point, and, though he had raised it, Fred knew very well that no technicality would save him if the truth about him came out.

Boris understood all this, undoubtedly, quite as well as Fred or the German captain, but he was beside himself. He felt that Fred had runinto this terrible danger because of him, in order to try to rescue him from an imprisonment that, though annoying, was by no means a serious matter.

"Take me instead of him!" he cried, forgetting that with every word he was really making Fred's case worse. "I—"

"I'll be all right," said Fred, with a cheerfulness he certainly did not feel. "All I want is a fair trial. If I get that, I'll be all right."

Unwillingly enough, Boris let himself be led away. Something in Fred's look, or in his voice, had warned him not to say anything more. So Fred saw him go, and was taken himself to the guard room, of which he was the only occupant save for the impassive Pomeranian sentry. Fred guessed, somehow, that German soldiers in war time did not often do things that caused them to be put under arrest. In the little he had seen of them he had come to understand what it was that made a German army so formidable.

He expected to be brought before the court early in the morning but, in fact, he was called out in less than an hour, and taken into the dining-room of the parsonage. Here, at the head of the table, sat an officer in a colonel's uniform; Colonel Goldapp, unquestionably, presiding over the court, which included four officers beside himself. Fred knew enough of the military law to understand what was going on. He saw a young lieutenant sitting with some papers before him. Another came and drew him aside.

"I am to defend you," this officer said, pleasantly. "That is, of course, I am to see that you get fair treatment. You are accused of being a spy. The charge, as I understand it, is that you are a Russian, but have disguised yourself as a German. If this is true, the best advice I can give you is to plead guilty and throw yourself on the mercy of the court. Your age will be taken into consideration."

"I am not a Russian," said Fred, quickly. "I am an American. I demand an opportunity to see the American ambassador, or at least the nearest American consul."

"Is that all?"

"That is all I can say. It is true that I am an American, and I believe it is my right, as a foreigner, to ask to see the representative of my country, since America and Germany are not at war, but are friendly one to the other."

"That would be true if you were charged with an offence in a civil court. But in a court-martial there are no such rules. Once more, I believe your best course is to plead guilty. I do not know the evidence against you, but I can tell you that the court might be merciful if you admitted your guilt frankly, while it would probably treat you more harshly if you forced it to prove your guilt."

Fred shook his head, however. And so the trial began. It was a real trial, and fair enough, but a trial by court-martial is not like one in a civil court, especially in time of war. There were no delays. The judge-advocate stated the case against Fred very briefly. He called as witness the officer who had brought Fred into headquarters, who said that the prisoner had been entirely willing to come. Then the corporal who had found him testified. And the third witness, when he was called, was none other than Lieutenant Ernst, who had befriended Fred at Virballen! At the sight of him Fred's heart sank. He began to understand what a strong case there really was against him.

At Ernst's first words there was almost a sensation, for the lieutenant brought out the fact that Fred was related to the Suvaroff family. The fact that Fred had gone straight to the house of his kinsman came out as a result of Ernst's evidence, and Fred knew that it would be useless to say that this had been the result of pure chance, and that he had not even known of Boris's existence. It was true, but it was none the less incredible. It was easy to see when Ernst had finished giving histestimony, which he did reluctantly, and with a good deal of sympathy for Fred, that the court had made up its mind.

There were no witnesses for Fred to call. He told his own story, but it was not believed. The finding of the court was inevitable: "Guilty as charged!" And Colonel Goldapp, in an expressionless voice, pronounced sentence.

"The prisoner is old enough, though he is only a boy, to know the fate of a spy. He risked this fate. He will be shot at once. Captain von Glahn will take charge of the execution of the court's sentence."

Fred passed through the minutes that followed as if he were in a dream. It seemed to him that it was someone else who was led into the garden, placed against a wall, and blindfolded. Von Glahn, a young officer, came and stood beside him.

"The firing squad will be here at once," he said. "I am sorry. Is there any message I can deliver for you?"

And then outside a bugle rang out, and there was a burst of wild, frenzied yelling and the next moment a crash of firing.


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