B
runette, beautiful, charming, she had a score of hearts to play with, and yet Dick flattered himself that he stood first. Perhaps the others did too.
"Of course," the girl went on, "with the Invisible Emperor threatening organized society, you gentlemen find yourselves extremely busy. Well, let us hope that you locate him and bring him to book."
"Sometimes," said Dick slowly, "I almost think that you know something about the Invisible Emperor."
Again she laughed merrily. "Now, if you had said that my sympathies were with the Invisible Emperor, I might have been surprised into an acknowledgment," she answered. "After all, he does stand for that aristocracy that has disappeared from the modern world, does he not? For refinement of manners, for beauty of life, for all those things men used to prize."
"Likewise for the existence of the vast body of the nation in ignorance and poverty, in filth and squalor," answered Dick. "No, my sympathies are with law and order and democracy, and your Invisible Emperor and his crowd are simply a gang of thieves and hold-up men."
"Be careful!" A warning fire burned in the girl's eyes. "At least, it is known that the Emperor's ears are long."
"So are a jackass's," retorted Dick.
He was sorry next moment, for the girl received his answer in icy silence. In his car, which conveyed them from the tarmac to the Embassy, she received all his overtures in the same silence. A frigid little bow was her farewell to him, while Dick, struggling between resentment and humiliation, sat dumb and wretched at the wheel.
Yet the idea that Fredegonde Valmy had any knowledge of the conspiracy or its leaders never entered Dick's head. He was only miserable that he had offended her, and he would have done anything to have straightened out the trouble.
I
t seemed impossible that in the year 1940 the peace of the civilized world could be threatened by an international conspiracy bent on restoring absolutism, and yet each day showed more clearly the immense ramifications of the plot. Each day, too, brought home to the investigating governments more clearly the fact that the things they had discovered were few in number in comparison with those they had not.
The headquarters of the conspirators had never been discovered, and it was suspected that the powerful mind behind them was intentionally leading the investigators along false trails.
The conspiracy was world-wide. It had been behind the revolution that had recreated an absolutist monarchy in Spain. It had plunged Italy into civil war. It had thrown England into the convulsions of a succession of general strikes, using the communist movement as a cloak for its activities.
But nobody dreamed that America could become a fertile field for its insidious propaganda. Yet it was behind the millions of adherents of the so-called Freemen's Party, clamoring for the destruction of the constitution. Upon the anarchy that would follow the absolutist regime was to be erected.
Already the mysterious powers had struck. Departments of State had been entered and important papers abstracted. TheGermaniahad mysteriously disappeared in mid-Atlantic, and a shipping panic had ensued. There were tales of mysterious figures materializing out of nothingness. It was known that the conspirators were in possession of certain chemical and electrical devices with which they hoped to achieve their ends.
The Superintendent of the penitentiary had had in his pocket an authorization to stop the execution of Von Kettler after he stood on the trap. Dead, he would be a mere mark of vengeance: alive, he might be persuaded to furnish some clue to the headquarters of the miscreants.
A
nd behind the conspirators loomed the unknown figure that signed itself the Invisible Emperor—in the communications that poured in to the White House and to the rulers of other nations. In the threats that were materializing with stunning swiftness.
Who was he? Rumor said that a former European ruler had not died as was supposed: that a coffin weighted with lead had been buried, and that he himself in his old age, had gone forth to a mad scheme of world conquest with a body of his nobles.
It had been practically a state of war since the shipment of gold, guarded by a detachment of police, had been stolen in broad daylight outside Baltimore, the police clubbed and killed by invisible assailants—as they claimed. The press was under censorship, troops under arms, and it was reported that the fleet was mobilizing.
In the midst of it all, Washington shopped, danced, feasted, flirted, like a swarm of may flies over a treacherous stream.
Intelligence was alert. As Dick started to drive away from the Slovakian Embassy, a man stepped quickly to the side of the car and thrust an envelope into his hand. Dick opened it quickly. He was wanted by Colonel Stopford at once, not at the camouflaged Headquarters at the War Department, but at the real Headquarters where no papers were kept but weighty decisions were made. And to that devious course the Government had already been driven.
Dick parked his car in a side street—it would have been under espionage in any of the official parking places—and set off at a smart walk toward his destination. Nobody would have guessed, from the appearance of the streets, that a national calamity was impending. The shopping crowds were swarming along the sidewalks, cars tailed each other through the streets; only a detachment of soldiers on the White House lawn lent a touch of the martial to the scene.
T
he building which Dick entered was an ordinary ten-story one in the business section; the various legal firms and commercial concerns that occupied it would have been greatly surprised to have known the identity of the Ira T. Graves, Importer, whose name appeared in modest letters upon the opaque glass door on the seventh story. Inside a flapper stenographer—actually one of the most trusted members of Intelligence's staff—asked Dick's name, which she knew perfectly well. Not a smile or a flicker of an eyelid betrayed the fact.
"Mr. Rennell," said Dick with equal gravity.
The girl passed into an inner room, and a buzzer sounded. In a few moments the girl came back.
"Mr. Graves will be here in a few minutes, Mr. Rennell, if you'll kindly wait in his office," she said.
Dick thanked her, and walked through into the empty office. He waited there till the girl had closed the door behind him, then went out by another door and found himself again in the corridor. Opposite him was a door with the words "Entrance 769" and a hand pointing down the corridor to where the Intelligence service had established another perfectly innocent front. Dick tapped lightly at this door, and a key turned in the lock.
The man who stepped quickly back was one of the heads of the Civil Service. The man at the flat-topped desk was Colonel Stopford. The man on a chair beside him was one of the heads of the police force.
T
he Colonel, a big, elderly man, dressed in a grey sack suit, checked Dick's commencing salutation. "Never mind etiquette, Rennell," he said. "Sit down. You've heard about the man Von Kettler's escape last night, of course?"
"Yes, sir."
"It's known, then. We can't keep things dark. He vanished from his cell in the death house, three minutes before the time appointed for his execution, though, as a matter of fact, he wasn't going to be hanged. Apparently he walked through the walls.
"There's a sequel to it, Rennell. It seems he had told the assistant-superintendent, a man named Anstruther, that he'd meet him at a restaurant in town that night. He promised to leave him a memento. Anstruther happened to remember this boast of Von Kettler's, and he surrounded the restaurant with armed detectives, on the chance that the fellow would show up. Rennell,Von Kettler was there!"
"He went to this restaurant, sir?"
"He walked in, just before the place was surrounded, engaged a table, and ordered a sumptuous meal. He told the waiter his name, said he expected a friend to join him, walked into the wash-room—and vanished! Two minutes later Anstruther and his men were on the job. Von Kettler never came out of the wash-room, so far as anybody knows.
"In the midst of the hue and cry somebody pointed to the table that Von Kettler had engaged. There was a twenty-dollar bill upon it, and a scrap of paper reading: 'I've kept my word. Von K.'"
Colonel Stopford looked at Dick fixedly. "Rennell, we may be fools," he said, "but we realize what we're up against. It's a big thing, and we'regoing to need all our fighting grit to overcome it. You're one of the four men we're depending on. We're counting on you because of your record, and because of your degree in science at Heidelberg. The President wishes you to take charge of the whole Eastern Intelligence District, covering the entire south-eastern seaboard of the United States. You are to have complete freedom of action, and all civil, military, and naval officials have received instructions to co-operate with you."
"There goes Mrs. Wansleigh's ball," thought Dick, but he said nothing.
W
e're not the hunters, Dick Rennell," went on Colonel Stopford. "We're hiding under cover, and I'm counting on you to turn the tables. They even know my office is here. I had a long distance call from Savannah this morning in mocking vein. They advised me to have the White House watched to-night. I warned the President, and we've posted guards all round it."
"They held the wire while you called up the President?" asked Dick.
"Damn it, no! They called me up from Scranton the instant he'd finished speaking. They have the power of the devil, Rennell, with that infernal invisibility invention of theirs. Rennell, we're fighting unknown forces. Who this Invisible Emperor is, we don't even know. But one thing we've found out. He has his headquarters somewhere in your district. Somewhere along the south Atlantic seaboard. The greater part of his activities emanate from there. But we're fighting in the dark. The clue, the master clue that will enable us to locate him—that's what we lack."
The sun had set, it was beginning to grow dark. Colonel Stopford switched on the electric lamp beside his desk.
"What have you to say, Rennell?" he asked; and Dick was aware that the two other men were regarding him attentively.
"It's evident," said Dick, "that Von Kettler possessed this means of invisibility in his cell, and wasn't detected. He simply slipped out when the guard came to fetch him."
"Invisibility? Yes! But invisible's not the same thing as transparent," cried Stopford. "These folks have operated in broad daylight. They're transparent, damn them! Not even a shadow! You know what I mean, Rennell! What I'm thinking of! That crazy man you were in touch with six months ago, who prophesied this! We turned him down! He showed me a watch and said the salvation of the world was inside the case! I thought him insane!"
Y
ou mean Luke Evans, sir. That watch was his pocket model. He went off in a huff, saying the time would come when we'd want him and not be able to find him."
"But, damn him, he wanted to produce universal darkness, or some such nonsense, Rennell, and I told him that we wanted light, not darkness."
"It wasn't exactly that, sir." Colonel Stopford was a man of the old school: he had been an artillery officer in the Great War, and was characteristically impatient of new notions. Dick began carefully: "You'll remember, sir, old Evans claimed to have been the inventor of that shadow-breaking device that was stolen from him and sold in England."
"To a moving picture company!" snorted Stopford. "I asked him what moving pictures had to do with war."
"Evans was convinced that the invention would be applied to war. He claimed that it made the modern methods of military camouflage out of date completely. He said that by destroying shadows one could produce invisibility, since visibility consists in the refraction of wave lengths by material objects.
"When they stole his invention, he foresaw that it would be used in war. He set to work to nullify his own invention. He told me that he had unintentionally given to the enemies of the United States a means of bringing us to our knees, since he believed that British motion picture company was actually a subsidiary of Krupp's. He worked out a method of counteracting it."
"You must get him, Rennell. Even if it's all nonsense, we can't afford to let any chance go. If Evans's invention will counteract this damned invisibility business—"
The telephone on the Colonel's desk rang. He picked it up, and his face assumed an expression of incredulity. He looked about him, like a man bewildered. He beckoned to the police official, who hurried to his side, and thrust the receiver into his hand. The official listened.
"All right," he said. He turned to Dick and the Civil Service representative.
"Gentlemen," he said, "the President has disappeared from his office in the White House, and there are grave fears that he has been kidnapped!"
C
olonel Stopford's car had been parked around the corner of the building, and within a minute the four men were inside it, Stopford at the wheel, and racing in the direction of the White House. A nod to the guard at the gate, and they were inside the grounds. At the entrance a single guard, in place of the four who should have been posted there, challenged sharply, and attempted to bar the way, not recognizing Dick or Stopford in their civilian clothes.
"Where's your officer?" demanded Stopford sharply.
Half-cowed by the Colonel's manner, the young recruit hesitated, and the four swept him out of the way and hurried on. The scene outside the main entrance to the White House was one of indescribable confusion. Soldiers were swarming in confused groups, some trying to force an entrance, others pouring out. Every moment civilians, streaming over the lawn, added to the number. Discipline seemed almost abandoned. From inside the building came outbursts of screams and cursing, the scuffling of a mob.
"Roscoe! Roscoe!" shouted Stopford. "Where's the President's secretary? Who's seen him? Let us pass immediately!"
No one paid the least attention to him. But a short, bare-headed civilian, who was struggling in the crowd, heard, and shouted in answer, waved his arms, and began to force his way toward the four. It was Roscoe, the secretary of President Hargreaves. The President was a childless widower, and Roscoe lived in the White House with him and was intimately in his confidence.
Roscoe gained Stopford's side. "Say—they've got him!" he panted. "They've got him somewhere—inside the building. They're trying to get him out! We've got to save him—but we can't see them—or him. They've made him invisible too, curse them! I heard him crying, 'Help me, Roscoe!' He saw me, I tell you—and I didn't know where he was!"
T
he little secretary was almost incoherent with fear and anger. The five men, forming a wedge, hurled themselves forward. Out of the White House entrance appeared a tall officer, revolver in hand. It was Colonel Simpson, of the President's staff. Half beside himself, he swept the weapon menacingly about him, shouting incoherently, and clearing a passage, into which the five hurled themselves.
Stopford seized his revolver hand, and after a brief struggle Simpson recognized him.
"He's in the building!" he shouted wildly. "Somewhere upstairs! I'm trying to form a cordon, but this damned mob's in the way. Kick thosecivilians out!" he cried to the soldiers. "Shoot them if they don't go! Guard the windows!"
Stopford and Dick, at the head of the wedge, pushed past into the White House. The interior was packed, men were struggling frantically on the staircase; it seemed hopeless to try to do anything.
Suddenly renewed yells sounded from above, a scream of anguish, howls of terror. There came a downward surge, then a forward and upward one, which carried the two men up the stairs and into the President's private apartments above.
In the large reception-room a mob was struggling at a window, beneath a blaze of electric light. A soldier was standing there like a statue, his face fixed with a leer of horror. In his hands was a rifle, with a blood-stained bayonet, dripping upon the hardwood floor at the edge of the rug. Upon the rug itself a stream of blood was spouting out of the air.
Dick looked at the sight and choked. There was something appalling in the sight: it was the quintessence of horror, that widening pool of blood, staining the rug, and flowing from an invisible body that writhed and twisted, while moans of anguish came from unseen lips.
Colonel Stopford leaped back, livid and staring. "God, it's got eyes—two eyes!" he shouted.
Dick saw them too. The eyes, which alone were visible, were about six inches from the floor, and they were appearing and disappearing, as they opened and shut alternately. It was a man lying there, a dying man, pierced by the soldier's bayonet by pure accident, dying and yet invisible.
T
he mob had scattered with shrieks of terror, but a few bolder spirits remained in a thin circle about that fearful thing on the rug. Dick bent over the man, and felt the outlines of the writhing body. It was a man, apparently dressed in some sort of uniform, but this was covered, from the top of the head to the feet, with a sort of sheer silken garment, bifurcating below the waist, and resembling a cocoon. It seemed to appear and alternately to vanish.
Dick seized the filmy stuff in his fingers, rent it, and stripped it away. Yells of terror and amazement broke from the throats of all. Instantly the thin circle of spectators had become reinforced by a struggling mass of men.
The half-visible cocoon clung to Dick's body like spider webs. But the man who had been wearing it had sprung instantly into view beneath the cluster of electric lights. He was a fair-haired young fellow of about thirty years, his features white and set in the agony of death.
He was dressed in a trim uniform of black, with silver braid, and on his shoulders were the insignia of a lieutenant. He opened his eyes, blue as the skies, and stared about him. He seemed to understand what had happened to him.
"Dogs!" he muttered.
Shrieks of fury answered him. The mob surged toward him as if to grind his face to pieces under their feet—and then recoiled, mouthing and gibbering. But it was at Dick that they were looking, not at the dying man.
He raised himself upon one elbow with a mighty effort. "His Majesty the Invisible Emperor! Long be his reign triumphant!" he chanted. It was his last credo. The words broke from his lips accompanied by a torrent of red foam. His head dropped back, his body slipped down; he was gone. And no one seemed to observe his passing. They were all screaming and gibbering at Dick.
"Rennell! Rennell!" yelled Stopford. "Where are you, Rennell? God, man, what's happened to your legs?"
Dick looked down at himself. For a moment he had the illusion that he was a head and a trunk, floating in the air. His lower limbs had become invisible, except for patches of trousering that seemed to drift through space. The mob in the room had fallen back gaping at him in horror.
Then Dick understood. It was the invisible garment that had coiled itself about him. He tore it from him and became visibly a man once more.
Shouts from another room! A surging movement of the crowd toward it. The muffled sounds of an automatic pistol, fitted with a silencer! Then screams:
"The devils are in there! They're murdering the soldiers!"
There followed a panic-stricken rush, more muffled firing, and then the sharp roar of rifles, and the fall of plaster. Some one was bawling the President's name. The rooms became a mass of milling human beings, lost to all self-control.
A bedlam of noise and struggle. Men fought with one another blindly, cursing soldiers fired promiscuously among the mob, riddling the walls, stabbing at the air. The plaster was falling in great chunks everywhere, filling the rooms with a heavy white cloud, in which all choked and struggled. The yells of the civilian mob below, struggling helplessly in the packed crowd that wedged the great stairway, made babel. Outside the White House a dense mob that filled the lawns was yelling back, and struggling to gain admittance. Suddenly the lights went out.
"They've cut the wires!" rose a wild, wailing voice. "The devils have cut the wires! Kill them! Kill everybody!"
His cry ended in a gurgle. Somewhere in that dark hell a struggle was going on, a well defined struggle, different from the random, aimless battling of the half-crazed soldiers and the civilians. President Hargreaves was still within the walls of the White House, it was known; it was physically impossible for him to have been carried away when every foot of space was packed. And through that darkness the invisible assailants were edging him, foot by foot, toward the outside.
D
ick was on the edge of this silent battle. He sensed it. Bracing himself against a bureau, while the mob surged past him, he tried to pierce the gloom, to reinforce with his perceptions what his instinct told him. A soldier, crazed with fear, came leaping at him, bayonet leveled. He thrust with a grunt. Dick avoided the glancing steel by a hand's breadth, and, as the impetus of the man's attack carried him forward, caught him beneath the chin with a stiff right-hand jolt that sent him sprawling.
From below the cries broke out again, with renewed violence: "They've got the President! Get them! Get them! Close all doors and windows!"
But a door went crashing down somewhere, to the tune of savage yells. The mob was pouring down the stairs. It was growing less packed above. Dick heard Stopford's voice calling his name.
"Here, sir" he shouted back, and the two men collided.
"For God's sake do what you can, Rennell!" shouted the Colonel. "They've got the President downstairs. They had him in this very room, in the thick of it all. I heard him cry out, as if under a gag. They put one of those damned cloths over him. God, Rennell, I'm going crazy!"
The upper floor of the White House was almost empty now. Dick thrust himself into the crowd that still jammed the stairs. He reached the ground floor. It was lighter here, but a glance showed him that it was impossible to attempt to restore any semblance of order. The big East Room was jammed with a fighting, cursing throng. Dick stumbled over the bodies of those who had fallen in the press, or had been shot down. Outside the mob was thickening, swarming through the grounds and screeching like madmen.
N
othing that could be done! Dick found himself caught once more in the human torrent. Presently he was wedged up against a broken window. He precipitated himself through the frame, dropped to the ground, stopped for an instant to catch breath.
The yelling mob was congregated about the main entrance of the White House, and on this side the grounds were comparatively empty. As Dick stopped, trying desperately to form some plan of action, he heard footsteps and low voices near him. Then two men came toward him, followed by three or four others.
The men—but, though the light was faint, Dick realized instantly that they were wearing invisible garments. He could see nothing of them; he could see through where they seemed to be—the trees, the buildings of the streets. Yet they were at his elbow. And they saw him. He heard one of them leap, and sprang aside as the butt of a pistol descended through the air and dropped where his head had been.
Yet no hand had seemed to hold it. It had been a pistol, reversed, and flashing downward, to be arrested in mid-air six inches from his face. But the men were not wholly invisible. Nearly six feet above the ground, three or four pairs of eyes were staring malevolently into Dick's. Only the eyes were there.
The two foremost men were breathing heavily. They were carrying something. Grotesquely through a rent in the invisible garment Dick saw a patch of trouser. He heard a muffled sigh. President Hargreaves, in the hands of his abductors!
Dick's actions were reflex. As the pistol hung beside his face, he snatched at it, wrested it away, struck with it, and heard a curse and felt the yielding impact of bone and flesh. He had missed the head but struck the shoulder. Next moment hands gripped the weapon, and a desperate struggle began.
I
t was torn from Dick's grasp. He struck out at random, and his fist collided with the chin of a substantial flesh and blood human being. Invisible arms grasped him. He fought free. The pistol slashed his face sidewise, the sight ripping a strip of flesh from the cheek. He was surrounded, he was being beaten down, though he was fighting gamely.
"Kill the swine! Shoot! Shoot!" Dick heard one of his assailants muttering.
Out of the void appeared the blue muzzle of another automatic, with a silencer on it. Dick ducked as a flame spurted from it. He felt the bullet stir his hair. He grasped at the hand that held it, and missed. Then he was held fast, and the muzzle swung implacably toward his head again. Helpless, he watched it describe that arc of death. It was only later that he wondered why he had fought all the while in silence, instead of crying for help.
But of a sudden the pistol was dashed aside. A woman's voice spoke peremptorily, in some language Dick did not understand. And he saw her eyes among the eyes that glared at him. Dark eyes that he knew, even if the voice had not revealed her identity. The eyes and voice of Fredegonde Valmy!
Dick cried her name. He put forth all his strength in a final struggle. Suddenly he felt a stunning impact on the back of the head. He slipped, reeled, threw out his hands, and sank down unconscious on the grass at the side of the path.
F
redegonde Valmy implicated in the conspiracy! That was the first thought that flashed into Dick's mind as he recovered consciousness. He might have suspected it! But the idea that the girl he loved was bound up with the murderous gang that was attacking the very foundations of civilization chilled him to the soul.
Dick had been picked up a few minutes after he had been struck down, identified by Colonel Stopford as he was about to be removed to a hospital, and carried into the White House. Order had been restored by the arrival of a detachment of troops from Fort Myers, the severed cables located and mended, and by midnight the interior of the Presidential home had been made habitable again.
President Hargreaves was gone—kidnapped despite the utmost efforts to protect him; and it was impossible to conceal that fact from the world. But the wheels of government still revolved. All night an emergency council sat in the White House, and, deciding that in a time of such grave danger heroic means must be adopted, with the consent of such of the Congressional leaders as could be summoned, a Council of Defence was organized.
The whole country east of the Mississippi was placed under martial law. The fleet and army were put on a war footing. Flights of airplanes were assembled at numerous points along the eastern seaboard. To this Council Donald was attached as head of Intelligence for the Eastern Division. Yet all this availed little unless the location of the Invisible Empire could be ascertained, and, despite telegraphic reports that came in hourly, alleging to have discovered its headquarters, nothing had been achieved in this direction.
T
he garment taken from the slain soldier had been examined by a half-dozen of the leading chemists of the East. Pending the arrival from New York of the celebrated Professor Hosmeyer, it was deposited under military guard in a dark closet. The result was unfortunate. The garment exhibited to the assembled scientists was a mere bifurcated silken bag.
The gas with which it had been impregnated, though it had been heavy enough to adhere to the fabric for hours, had also been volatile enough to have disappeared completely, leaving a residue which was identified as a magnesium isotope.
Equally spectacular had been the disappearance of Mademoiselle Fredegonde Valmy. A cable from the Slovakian Ambassador had arrived a few hours later, denying her authenticity. And with her disappearance came the discovery that she had been at the head of an espionage system with ramifications in every state department, and in every statesman's home.
Three days passed with no sign from the enemy. The Council sat all day. In the executive offices of the White House Dick toiled ceaselessly, planning, receiving reports, organizing the flights of airplanes at strategic points throughout his district. From time to time he would be summoned to the Council. At night he threw himself upon a cot in his office and slept a sleep broken by the constant arrival of messengers. And still there was no clue to the location of the headquarters of the marauders.
But in those three days there had been no sign of them. Hope had succeeded despair; in the rebound of confidence the populace was beginning to ridicule the nation-wide precautions against what were coming to be considered merely a gang of super-criminals. It was even whispered that President Hargreaves had not been kidnapped at all. The Freemen's Party accused the Government of a plot to subvert popular liberties.
D
ick received a summons on the third evening. Utterly worn out with his work, he pulled himself together and made his way into the Blue Room, where the Council was assembled. Vice-president Tomlinson, an elderly man, was in the chair. A non-entity, pushed into a post it had been thought he would adorn innocuously, he had been overwhelmed by his succession to the chief office of State.
Tomlinson did not like Dick, or any of the hustling younger officers who, unlike himself, realized the real significance of the danger that overhung the country. He sat pompously in his leather chair, regarding Dick as he entered in obedience to the summons.
"Well, Captain Rennell, what have you to report to us this evening?" he inquired, as Dick saluted and stood to attention at the table.
"We're improving our concentrations, Mr. Vice-president. We've eight flights of seaplanes scouring the coast in the hope of locating the stronghold of the Invisible Emperor. We've—"
"I'm sick and tired of that title," shouted Tomlinson. He sprang to his feet, his face flushed with anger. His nerves had broken under the continuous strain. "I'll give you my opinion, Captain Rennell," he said. "And that is that this so-called Invisible Emperor is a myth.
"A gang of thieves has invented a paint that renders them inconspicuous, has created a panic, and is taking advantage of it to terrorize the country. The whole business is poppycock, in my opinion, and the sooner this bubble bursts the better. Well, sir, what have you to say to that?"
"Have you ever seen any of these men in their invisible clothing, if I may ask, Mr. Vice-president?" inquired Dick, trying to keep down his anger. His nerves, too, were badly frazzled.
"No, sir, I have not, but my opinion is that this story is grossly exaggerated, and that the persons responsible are the reporters of our sensational press!" thundered Tomlinson.
H
e looked about him, a weak man proud of having asserted his authority. Somebody laughed.
Tomlinson glared at Dick, his rubicund visage purpling. But it was not Dick who had laughed. Nor any one at the council table.
That laugh had come from the wall beside the door. Again it broke forth, high-pitched, cold, derisive. All heads turned as if upon pivots to see who had uttered it.
"Good God!" exclaimed Secretary Norris, of the War Department, and slumped in his chair.
Five feet eight inches from the floor a pair of grey eyes looked at the Council members out of emptiness. Grey eyes, a man's eyes, cool, contemptuous, and filled with authority, with a contemptuous sense of superiority that left every man there dumb.
Dick was the first to recover himself. He stepped forward, not to where the invisible man was standing, but to a point between him and the door.
That cold laugh broke forth again. "Gentlemen, I am an ambassador from my sovereign, who chooses to be known as the Invisible Emperor," came the words. "As such, I claim immunity. Not that I greatly care, should you wish to violate the laws of nations and put me to death. But, believe me, in such case the retribution will be a terrible one."
Suddenly the envoy peeled off the gas-impregnated garments that covered him. He stood before the Council, a fair-haired young man, clad in the same fashion of trim black uniform as the bayonetted soldier had worn upstairs three nights before.
He bowed disdainfully, and it was Tomlinson who shouted:
"Arrest that man! I know his face! I've seen it in the papers. He's Von Kettler, the murderer who escaped from jail in an invisible suit."
"Oh, come, Mr. Vice-president," laughed Von Kettler, "are you sure this isn't all very much exaggerated?"
Tomlinson sank back in his chair, his ruddy face covered with sweat. Dick stared at Von Kettler. A suspicion was forming in his mind. He had seen eyes like those before, dark instead of grey, and yet with the same look of pride and breeding in them; the look of the face, too, impossible to mistake—he knew!
Fredegonde Valmy was Von Kettler's sister!
W
ell, gentlemen, am I to receive the courtesies of an ambassador?" inquired Van Kettler, advancing.
"You shall have the privileges of the gallows rope!" shouted Tomlinson. "Arrest that man at once, Captain Rennell!"
"Pardon me, Mr. Vice-president," suggested the Secretary for the Navy blandly, "but perhaps it would be more desirable to hear what he has to say."
"Immunity for thieves, robbers, murderers!"
"Might I suggest," said Von Kettler suavely, "that, since the United States has honored my master by placing itself upon a war footing, it has accorded him the rights of a belligerent?"
"We'll hear you, Mr. Von Kettler," said the Secretary of State, glancing along the table. Three or four nodded, two shook their heads: Tomlinson only glared speechlessly at the intruder. Von Kettler advanced to the table and laid a paper upon it.
"You recognize that signature, gentlemen?" he asked.
At the bottom of the paper Dick saw scrawled the bold and unmistakable signature of President Hargreaves.
"An order signed by the President of your country," purred Von Kettler, "ordering your military forces replaced upon a peace footing, and the acceptance of our conditions. They are not onerous, and will not interfere with the daily life of the country. Merely a little change in that outworn document, the Constitution. My master rules America henceforward."
Somebody laughed: another laughed: but it was the Secretary of State who did the fine thing. He took up the paper bearing what purported to be President Hargreaves's signature, and tore it in two.
"The people of this country are her rulers," he said, "not an old man dragooned into signing a proclamation while in captivity—if indeed that is President Hargreaves's signature."
T
here came a sudden burst of applause. Von Kettler's face became the mask of a savage beast. He shook his fist furiously.
"You call my master a forger?" he shouted. "You yourselves repudiate your own Constitution, which places the control of army and navy in the hands of your President? You refuse to honor his signature?"
"Listen to me, Mr. Von Kettler!" The voice of the Secretary of State cut like a steel edge. "You totally mistake the temper of the people of this country. We don't surrender, even to worthy adversaries, much less to a gang of common thieves, murderers, and criminals like yourselves. You have been accorded the privilege you sought, that of an envoy, and that was straining the point. Show yourself here again after two minutes have elapsed, and you'll go to the gallows—for keeps."
"Dogs!" shouted Von Kettler, beside himself with fury. "Your doom is upon you even at this moment. I have but to wave my arm, and Washington shall be destroyed, and with her a score of other cities. I tell you you are at our mercy. Thousands of lives shall pay for this insult to my master. I warn you, such a catastrophe is coming as shall show you the Invisible Emperor does not threaten in vain!"
With complete nonchalance the Secretary of State took out his watch. "One minute and fifteen seconds remaining. Captain Rennell," he said. "At the expiration of that time, put Mr. Von Kettler under arrest. I advise you to go back to your master quickly, Mr. Von Kettler," he added, "and tell him that we'll have no dealings with him, now or ever."
F
or a moment longer Von Kettler stood glaring; then, with a laugh of derision and a gesture of the hands he vanished from view. And, though they might have expected that denouement, the members of the Council leaped to their feet, staring incredulously at the place where he had been. Nothing of Von Kettler was visible, not even the eyes, and there sounded not the slightest footfall.
Dick sprang forward to the door, but his outstretched arms encountered only emptiness. In spite of the Secretary of State's instructions, he was almost minded to apprehend the man. If he could get him!
The corridor was empty. A guard of soldiers was at the entrance, but they did not block the entrance. Even now Von Kettler might be passing them! Why didn't his feet sound upon the floor? How could a bulky man glide so smoothly?
Perhaps because Dick was undecided what to do, Von Kettler escaped him. By the time he reached the guards he knew he had escaped. Suddenly there came an unexpected denouement. Somewhere on the White House lawn a guard challenged, fired. The snap of one of the silenced automatics answered him.
When Dick and the guards reached the spot, the man was lying in a crumpled heap.
"An airplane," he gasped. "Invisible airplane. I—bumped into it. Men—in it. The damned dogs!"
He died. Dick stared around him. There was no sign of any airplane on the lawn, nothing but the tents of the guards, white in the moonlight, and the grim array of anti-aircraft guns that Dick had placed there.
But behind the White House, in hastily constructed hangars, were a half-dozen of the latest pursuit airships—beautiful slim hulls, heavily armored, with armored turrets containing each a quick-firer with the new armor-piercing bullets. One of these ships, Dick's own, was kept perpetually warmed and ready to take the air.
D
ick raced across the lawn, yelled to the startled guard in charge. The mechanics came running from their quarters. Almost by the time Dick reached it the ship was ready.
He twirled the helicopter starter, and she roared and zoomed, taking an angle of a hundred and twenty-five degrees upward off a runway of twenty yards. Into the air she soared, into the moonlight, up like an arrow for five hundred feet.
Dick pulled the soaring lever, and she hung there, buzzing like a bee as her helicopters, counteracting the pull of gravity, held her comparatively stable. He scanned the air all about him.
Washington lay below, her myriad lights gleaming. Immediately beneath him Dick saw the guns and the tents of the soldiers, and the little group that was removing the body of the murdered soldier on a stretcher. But there were no signs of any hostile craft.
Had the murdered man really bumped into an invisible airship, or had he only thought he had? Had those devils learned to apply the gas to the surfaces of airplanes? There was no reason why they should not have done so.
But surely the utmost ingenuity of man had not contrived to render a modern plane, with its metalwork and machinery, absolutely transparent?