Naturally, widely differing opinions were held as to the nature of this object. But no hypothesis rested on any secure basis. Seamen were as much at a loss as others. At first sailors thought it must be some great fish, like a whale. But it is well known that all these animals come to the surface with a certain regularity to breathe, and spout up columns of mingled air and water. Now, this strange animal, if it was an animal, had never "blown" as the whalers say; nor, had it ever made any noises of breathing. Yet if it were not one of these huge marine mammals, how was this unknown monster to be cla.s.sed? Did it belong among the legendary dwellers in the deep, the krakens, the octopuses, the leviathans, the famous sea-serpents?
At any rate, since this monster, whatever it was, had appeared along the New England sh.o.r.es, the little fishing-smacks and pleasure boats dared not venture forth. Wherever it appeared the boats fled to the nearest harbor, as was but prudent. If the animal was of a ferocious character, none cared to await its attack.
As to the large ships and coast steamers, they had nothing to fear from any monster, whale or otherwise. Several of them had seen this creature at a distance of some miles. But when they attempted to approach, it fled rapidly away. One day, even, a fast United States gun boat went out from Boston, if not to pursue the monster, at least to send after it a few cannon shot. Almost instantly the animal disappeared, and the attempt was vain. As yet, however, the monster had shown no intention of attacking either boats or people.
At this moment Mr. Ward returned and I interrupted my reading to say, "There seems as yet no reason to complain of this sea-serpent. It flees before big ships. It does not pursue little ones. Feeling and intelligence are not very strong in fishes."
"Yet their emotions exist, Strock, and if strongly aroused--"
"But, Mr. Ward, the beast seems not at all dangerous. One of two things will happen. Either it will presently quit these coasts, or finally it will be captured and we shall be able to study it at our leisure here in the museum of Washington."
"And if it is not a marine animal?" asked Mr. Ward.
"What else can it be?" I protested in surprise.
"Finish your reading," said Mr. Ward.
I did so; and found that in the second part of the report, my chief had underlined some pa.s.sages in red pencil.
For some time no one had doubted that this was an animal; and that, if it were vigorously pursued, it would at last be driven from our sh.o.r.es. But a change of opinion had come about. People began to ask if, instead of a fish, this were not some new and remarkable kind of boat.
Certainly in that case its engine must be one of amazing power.
Perhaps the inventor before selling the secret of his invention, sought to attract public attention and to astound the maritime world.
Such surety in the movements of his boat, grace in its every evolution, such ease in defying pursuit by its arrow-like speed, surely, these were enough to arouse world-wide curiosity!
At that time great progress had been made in the manufacture of marine engines. Huge transatlantic steamers completed the ocean pa.s.sage in five days. And the engineers had not yet spoken their last word. Neither were the navies of the world behind. The cruisers, the torpedo boats, the torpedo-destroyers, could match the swiftest steamers of the Atlantic and Pacific, or of the Indian trade.
If, however, this were a boat of some new design, there had as yet been no opportunity to observe its form. As to the engines which drove it, they must be of a power far beyond the fastest known. By what force they worked, was equally a problem. Since the boat had no sails, it was not driven by the wind; and since it had no smoke-stack, it was not driven by steam.
At this point in the report, I again paused in my reading and considered the comment I wished to make.
"What are you puzzling over, Strock?" demanded my chief.
"It is this, Mr. Ward; the motive power of this so-called boat must be as tremendous and as unknown as that of the remarkable automobile which has so amazed us all."
"So that is your idea, is it, Strock?"
"Yes, Mr. Ward."
There was but one conclusion to be drawn. If the mysterious chauffeur had disappeared, if he had perished with his machine in Lake Michigan, it was equally important now to win the secret of this no less mysterious navigator. And it must be won before he in his turn plunged into the abyss of the ocean. Was it not the interest of the inventor to disclose his invention? Would not the American government or any other give him any price he chose to ask?
Yet unfortunately, since the inventor of the terrestrial apparition had persisted in preserving his incognito, was it not to be feared that the inventor of the marine apparition would equally preserve his? Even if the first machine still existed, it was no longer heard from; and would not the second, in the same way, after having disclosed its powers, disappear in its turn, without a single trace?
What gave weight to this probability was that since the arrival of this report at Washington twenty-four hours before, the presence of the extraordinary boat hadn"t been announced from anywhere along the sh.o.r.e. Neither had it been seen on any other coast. Though, of course, the a.s.sertion that it would not reappear at all would have been hazardous, to say the least.
I noted another interesting and possibly important point. It was a singular coincidence which indeed Mr. Ward suggested to me, at the same moment that I was considering it. This was that only after the disappearance of the wonderful automobile had the no less wonderful boat come into view. Moreover, their engines both possessed a most dangerous power of locomotion. If both should go rushing at the same time over the face of the world, the same danger would threaten mankind everywhere, in boats, in vehicles, and on foot. Therefore it was absolutely necessary that the police should in some manner interfere to protect the public ways of travel.
That is what Mr. Ward pointed out to me; and our duty was obvious.
But how could we accomplish this task? We discussed the matter for some time; and I was just about to leave when Mr. Ward made one last suggestion.
"Have you not observed, Strock," said he, "that there is a sort of fantastic resemblance between the general appearance of this boat and this automobile?"
"There is something of the sort, Mr. Ward."
"Well, is it not possible that the two are one?"
Chapter 6
THE FIRST LETTER
After leaving Mr. Ward I returned to my home in Long Street. There I had plenty of time to consider this strange case uninterrupted by either wife or children. My household consisted solely of an ancient servant, who having been formerly in the service of my mother, had now continued for fifteen years in mine.
Two months before I had obtained a leave of absence. It had still two weeks to run, unless indeed some unforeseen circ.u.mstance interrupted it, some mission which could not be delayed. This leave, as I have shown, had already been interrupted for four days by my exploration of the Great Eyrie.
And now was it not my duty to abandon my vacation, and endeavor to throw light upon the remarkable events of which the road to Milwaukee and the sh.o.r.e of New England had been in turn the scene? I would have given much to solve the twin mysteries, but how was it possible to follow the track of this automobile or this boat?
Seated in my easy chair after breakfast, with my pipe lighted, I opened my newspaper. To what should I turn? Politics interested me but little, with its eternal strife between the Republicans and the Democrats. Neither did I care for the news of society, nor for the sporting page. You will not be surprised, then, that my first idea was to see if there was any news from North Carolina about the Great Eyrie. There was little hope of this, however, for Mr. Smith had promised to telegraph me at once if anything occurred. I felt quite sure that the mayor of Morganton was as eager for information and as watchful as could have been myself. The paper told me nothing new. It dropped idly from my hand; and I remained deep in thought.
What most frequently recurred to me was the suggestion of Mr. Ward that perhaps the automobile and the boat which had attracted our attention were in reality one and the same. Very probably, at least, the two machines had been built by the same hand. And beyond doubt, these were similar engines, which generated this remarkable speed, more than doubling the previous records of earth and sea.
"The same inventor!" repeated I.
Evidently this hypothesis had strong grounds. The fact that the two machines had not yet appeared at the same time added weight to the idea. I murmured to myself, "After the mystery of Great Eyrie, comes that of Milwaukee and Boston. Will this new problem be as difficult to solve as was the other?"
I noted idly that this new affair had a general resemblance to the other, since both menaced the security of the general public. To be sure, only the inhabitants of the Blueridge region had been in danger from an eruption or possible earthquake at Great Eyrie. While now, on every road of the United States, or along every league of its coasts and harbors, every inhabitant was in danger from this vehicle or this boat, with its sudden appearance and insane speed.
I found that, as was to be expected, the newspapers not only suggested, but enlarged upon the dangers of the case. Timid people everywhere were much alarmed. My old servant, naturally credulous and superst.i.tious, was particularly upset. That same day after dinner, as she was clearing away the things, she stopped before me, a water bottle in one hand, the serviette in the other, and asked anxiously, "Is there no news, sir?"
"None," I answered, knowing well to what she referred.
"The automobile has not come back?"
"No."
"Nor the boat?"
"Nor the boat There is no news even-in the best informed papers."
"But--your secret police information?"
"We are no wiser."
"Then, sir, if you please, of what use are the police?"