"But the diamond makers have only been in this mountain recently,"
objected Mr. Jenks, "and the phantom was here before them. In fact, that was what gave the place its name."
"That may be," admitted the lad. "There are many places that have the name of being haunted, but no one ever sees the ghost. It is always some one else, who has heard of some one who has seen it. That may have been the case here. I grant that this place may have been called "Phantom Mountain" for a number of years, due to the superst.i.tious tales of miners. The diamond makers came along, found the conditions just right for their work, and adopted the ghost, so to speak. As there wasn"t any real spirit they made one, and they use it to scare people away. I think that"s what we"ve just seen, though I may be wrong in my theory as to what the phantom is."
"Well, it"s gone now, at any rate," said Mr. Jenks, "and I think we"d better get back inside the tent. It"s cold out here."
"Aren"t some of us going to stand guard?" demanded Mr. Damon.
"What for?" asked Mr. Jenks.
"Why--er--bless my key-ring! Suppose that ghost takes a notion to come down here, and use his gun, as he did on the miners?"
"I don"t believe that will happen," remarked Tom. "The diamond makers, if the white thing had anything to do with them, have given us a warning, and I think they"ll at least wait until morning to see how we heed it."
"We aren"t going to heed it!" burst out Mr. Jenks. "I"m going to go right ahead and find that cave where they make diamonds!"
"And we"re with you!" exclaimed Tom. "We"ll have a good fire going the rest of the night, and that may keep intruders away. In the morning we"ll begin our search, and we"ll go up the trail where we saw the white figure."
A big pile of wood had been collected for the fire, and Tom now piled some logs and branches on the blaze. It would last for some time now, and the adventurers, still talking of the "ghost" went back into the tent. It was over an hour before they all got to sleep again, and Mr.
Jenks and Mr. Damon took turns in getting up once or twice during the remainder of the night to replenish the fire.
Morning dawned without anything further having occurred to disturb them, and, after a hearty breakfast, to which Tom added some fish he caught in a nearby mountain stream, they set off up the trail on Phantom Mountain.
They had left their tent standing, as they proposed making that spot their headquarters until they located the cave they were seeking. What their course would be after that would depend on the circ.u.mstances.
If they had expected to have an easy task locating the cavern in which Mr. Jenks had seen diamonds made, the adventurers were disappointed. All that day they tramped up and down the mountain, looking for some secret entrance, but none was disclosed. The higher they went up the great peak, the fainter became the trail, until, at length it vanished completely.
But this was not to be wondered at, since it was on solid rock, in which no footsteps would leave an impression.
"They never brought you up here in a wagon, Mr. Jenks," decided Tom, when he saw how steep the place was.
"I"m inclined to think so myself," admitted the diamond man. "They must have reached the cave from some other way. As a matter of fact, I walked some distance after getting out of the vehicle, before we got to the cavern. But, even at that, I don"t believe we came this way."
"Yet the phantom was here," persisted Tom, "and I"m convinced that the cave is in this neighborhood. It"s up to us to find it!"
But they searched the remainder of that day in vain, and as night was coming on, they made their way back to the camp. As Tom, who was in the lead, approached the tent, he saw something black fastened to the entrance.
"h.e.l.lo!" he cried. "Some one"s been here. That wasn"t on the tent when we left this morning."
"What is it?" asked Mr. Damon.
"A black piece of paper, written on with white ink," replied the lad. He was reading it, and, as he perused it a look of surprise came over his face.
"Listen to this!" called Tom. "It"s evidently from the diamond makers."
Holding up the black paper, on which the white writing stood out in bold relief Tom read aloud:
"Be warned in time! Go back before it is too late! You are near to death! Go back!"
"Bless my shoelaces!" cried Mr. Damon. "This is getting serious."
CHAPTER XV--THE LANDSLIDE
Gathered about the young inventor, the three men looked at the warning.
The writing was poor, and it was evident that an attempt had been made to disguise it. But there was no misspelling of words, and there were no rudely drawn daggers, or b.l.o.o.d.y hands or anything of that sort. In fact, it was a very business-like sort of warning.
"Rather odd," commented Mr. Jenks. "Black paper and white ink."
"White ink is easy enough to make," stated Mr. Parker. "I fancy they wanted it as conspicuous as possible."
"Yes," agreed Tom, "and this warning, together with the antics of the thing in white last night, shows that they are aware of our presence here, and perhaps know who we are. We will have to be on our guard."
"Do you think that fellow Munson, whom we left in the forest, could have gotten here and warned them?" asked Mr. Damon.
"It"s possible," admitted Tom, "but now let"s see if the person who pinned this warning on our tent took any of our things."
A hasty examination, however, showed that nothing had been disturbed, and Tom and Mr. Damon were soon getting supper ready, everyone talking, during the progress of the meal, about the events of the day, and the rather weird culmination of it.
"Well, we haven"t had a great deal of success--so far," admitted Tom, as they sat about the fire, in the fast gathering dusk. "I think, perhaps, we"d better try on the other side of the mountain to-morrow. We"ve explored this side pretty thoroughly."
"Good idea," commented Mr. Jenks. "We"ll do it, and move our camp. I only hope those fellows don"t find our airship and destroy it. We"ll have a hard time getting back to civilization again, if we have to walk all the way."
This contingency caused Tom some uneasiness. He did not like to think that the unscrupulous men might damage the Red Cloud, that had been built only after hard labor. But he knew he could accomplish nothing by worrying, and he tried to dismiss the matter from his mind.
They rather expected to see the thing in white again that night, but it did not appear, and morning came without anything having disturbed their heavy sleep, for they were tired from the day"s tramp.
It took them the greater part of the day to make a circuit of the base of Phantom Mountain in order to get to a place where a sort of trail led upward.
"It"s too late to do anything to-night," decided Tom, as they set up the tent. "We"ll rest, and start the first thing in the morning."
"And the ghost isn"t likely to find us here," added Mr. Damon. "Where are you going, Mr. Parker?" he asked, as he saw the scientist tramping a little way up the side of the mountain.
"I am going to make some observations," was the answer, and no one paid any more attention to him for some time. Supper was nearly ready when Mr. Parker returned. His face wore a rather serious air, and Mr. Damon, noting it, asked laughingly:
"Well, did you discover any volcanoes, that may erupt during the night, and scare us to death?"
"No," replied Mr. Parker, calmly, "but there is every indication that we will soon have a terrific electrical storm. From a high peak I caught a glimpse of one working this way across the mountains."
"Then we"d better fasten the tent well down," called Tom. "We don"t want it to blow away."
"There will not be much danger from wind," was Mr. Parker"s opinion.
"From what then?" asked Mr. Jenks.