"Well, very likely they heard that the Chimoos had treasure there.

Indeed they must have known, because, you see, not one of the other stones is broken, so they evidently knew where that chamber was situated."

"Yes, I suppose that was it. Well, we are in fine working order now, and we sha'n't be very long getting the other stones up."

"Not very long this side anyhow, Bertie. We shall want some short blocks of wood to put under the stones as we raise them. I expect they are all five inches thick, and they must be a very big weight.

Evidently it is going to be a longish job. As we have been a fortnight without fresh meat, Dias had better go off and buy half a dozen sheep.

We won't have dead meat this time. He can bring them slung over the mules, and we can kill them as we want them."

"We have not had fresh meat, but we have not done badly, Harry; we have generally had a good many eggs and some pigeons, and Jose has brought us in fish from that pool. But they have dwindled down lately. He only brought in a couple of fish yesterday evening."

"Well, the pigeons are getting scarcer too, Bertie. We have killed a good many, but the rest are getting very shy, and I think most of them must have gone off and settled in new places on the face of the rocks above the ravine. While Dias is away, we will try and lay in a stock of sea-fish. We can swim out and sit on the rocks during the day, and lay our lines at night. We have worked very hard for a fortnight, and we deserve a holiday."

Dias, when he was spoken to, said he would start at once with four mules for Huacha. "It is not above fifteen miles," he said, "and I can get there this evening. I should think that I could buy the sheep there; if not, I must go on to Huaura. Each mule will bring two sheep.

Of course I could drive them, but that would seem more singular."

"You had certainly better take the mules, Dias. Tie the sheep carefully on them, so that they will not be hurt."

"I will take eight of the leather bags, senor. The sheep are not large, and I will sling one on each side of the mules."

"Yes, it would be as well, while you are about it, to bring eight. You may as well get some more coffee. We drink a lot of that, and like it strong. If your wife thinks we shall want more sugar, or anything else, by all means get some."

As soon as Dias started, the lines were got ready. They cut a couple of saplings to serve as rods, and Jose, digging among the rocks, found plenty of worms, beetles, and grubs for bait. In addition, they took a cake or two of maize, to break up and throw in to attract the fish.

"We had better swim out in our flannel shirts and trousers," Harry said. "They will soon dry, and they will keep off the sun. If we were to sit there without them, we should get blistered from head to foot."

"Shall we fish outside the rocks, or inside, Harry?"

"We will try both; but I think we are likelier to catch most inside. I should think a back-water like that would attract them."

They met with equal success on both sides of the rocks, and by evening had caught over forty fish, at least half of which weighed over four pounds. Then they set the long lines, each carrying forty hooks, and returned to the castle with as many fish as they could possibly carry.

Maria was delighted with the addition to her larder, and she and Jose set to work at once to clean and split them. In the morning they were hung in strings from the broad window. Maria said they would get the benefit of the heat from the walls, and any air there might be would be able to pa.s.s round them.

By means of the night-lines they caught almost as many fish as they had done with their rods, and that day they had the satisfaction of bringing in more than they could carry in one journey.

"We have got plenty now to keep us going for another three weeks,"

Harry said, "and we can always replenish our stock when we choose."

Dias returned at sunset carrying one sheep over his shoulders.

"I have left the others out there, senor; I don't think there is any fear of their straying. There is no fresh gra.s.s anywhere except near the stream, and moreover, being strange to the valley, they will naturally keep near the mules."

Another month pa.s.sed in continuous labour. The stones had all been taken up in the bas.e.m.e.nt they had first visited, but no other chamber had been found. The parallel chamber had given them much trouble at starting, as no stone had been found showing any cracks upon it, and they had had to blast one stone to pieces before they could begin to cut up the others. No chamber whatever had been discovered until they were within six feet of the farther end. Then one was found, but it showed no signs whatever of having ever been used. "So far so bad,"

Harry said when the supper had been eaten almost in silence; "but that is no reason why we should be disheartened. If the Incas buried a treasure they may have thought it prudent to choose some other spot than that used by the old people."

"But where could it be, Harry? You agreed that there was not sufficient depth between the floors for any place of concealment."

"That is so, Bertie, of course. I have been thinking of it a lot during the past few days, when the chances of our finding a treasure under the bas.e.m.e.nt were nearly extinguished. There are still the side walls."

"The side walls!" Bertie repeated. "Surely they are built against the rock?"

"Yes, but we don't know how straight the wall of rock is. You see, they did not build against it at all in the bas.e.m.e.nt, but above that the side walls begin. The rock must have been irregular, and as the walls were built the s.p.a.ce behind may have been filled in or may not. When they came to build they may have found that there was a cavern or caverns in the rock--nothing is more likely--and they may have left some sort of entrance to these caverns, either as a place of refuge to the garrison if the place were taken, or as a hiding-place. They might have thought it more secure for this purpose than the underground chamber, which was their general hiding-place. At any rate it is possible, and to-morrow I vote that we have a thorough inspection of the walls of the storeroom below this. That would be the most likely place, for near the sea-level the chances of finding caverns would be much greater than higher up."

Bertie's face brightened as Harry proceeded.

"It certainly seems possible, Harry. Of course the other place seemed so much more likely to us that we have never given the side walls a thought. We may find something there after all. I do hope we may, old boy. I cannot believe that after things have gone altogether so well with us, and we have been twice so near finding treasure, that we should fail after all. Which side shall we begin on?"

"We will have a look at them before we decide, Bertie. We have not really examined them since the first day; I really forget what stores we found in the two side-rooms."

An examination in the morning showed that the pa.s.sage near the entrance to the rock on the left-hand side had been used for fuel, that on the other side was filled at the upper end with skins for some distance, and spears and sheaves of arrows were piled against the outer wall along the rest of the distance.

"Which do you think is the most likely hiding-place?"

"I should say the right-hand pa.s.sage. The other with the fire-wood in it might be visited every day, but the spears and arrows would only be wanted in case of any attacks upon the castle, or to arm a large force going out to give battle there. They would naturally put anything they wanted to hide in the pa.s.sage less likely to be visited."

"That does seem probable," Bertie agreed; "therefore, hurrah for the right-hand side!"

"I still think, senor," Dias said, "that there must be treasure concealed somewhere. I should not think a guard would have been placed here, and remained here so many years still keeping watch, as we find they did at that big loophole on the top floor, unless there was something to watch."

"Quite so, Dias. I have thought that over in every way, and I can see no possible motive for their being here except to prevent the place from being examined. That was needless if there was nothing to guard, and nothing to take away, except these silver brackets, which in those days would scarcely have been worth the trouble of getting out and carrying away. There must be treasure somewhere. We know now that it is not in the bas.e.m.e.nt, and we will try these side walls, even if we have to blow half of them in; there is no doubt that the stones are at least as thick as those at the end, but they will not be difficult to manage.

I noticed in the upper story that they had not taken the trouble to fit them nearly so accurately as they did those of the outer walls. I don't say that they didn't fit well, but the stones were of irregular sizes, and I have no doubt that in many places we could prize them out with a crowbar. Once an opening is made, there will be no difficulty in getting a lot of them out, as the old people did not use cement or mortar. Well, to-morrow morning we will move all the spears and arrows across to the other side of that pa.s.sage and have a good look at the stones, but we will go up first and look at the side walls of all the other rooms and see if they are of the same build. There may be some difference which we have not noticed. You see all the side walls of this room are built like those in front. I didn't notice whether it was the same in the other rooms."

"I will look at once," Dias said, lighting a torch at the fire.

"No, senor," he said, when in ten minutes he returned; "none of the walls on this floor are built of stone like this. This was the grand chamber, the stones are all nearly one size, and so well fitted that you can hardly see where they join each other. In the other rooms they are not so, but the stones are, as you noticed above, irregular in size, and although they fit closely, there is no attempt to conceal the cracks."

"Thank you, Dias! Well, we won't look any more to-night; we shall see in the morning if the room below us is built in the same way. I have no doubt it is. At any rate we have done enough for to-day. There is some whisky left in that bottle, Bertie, and we may as well make ourselves a gla.s.s of grog. Maria, you had better get down that jar of pulque. We will drink to better luck next time."

The woman smiled faintly. She did not often do so now, her spirits had gradually gone down as the hopes of success faded.

"Now, Maria," Harry said, "you had better take a gla.s.s of pulque for yourself. I know you don't often touch it, but you have been working so of late that I think you want it more than any of us."

"I cannot help feeling low-spirited, senor," she said. "I have so hoped that you would find the treasure you wanted, and marry this lady you love, and it would be such joy for us to have in some small way repaid the service you rendered us, that I felt quite broken down. I know I ought not to have been, when you and your brother bear the disappointment so bravely."

"'It is of no use crying over spilt milk', which is an English saying, Maria. Besides, it is possible that the milk may not be spilt yet, and until lately your good spirits have helped us greatly to keep ours up.

If I were once convinced that we had failed, I have no doubt I should feel hard hit; but I am a long way from giving up hope yet. There is treasure here, and if I have to blow up the whole of the old place I will find it. I have got six months yet, and in six months one can do wonders. Anyhow, these brackets will pay us very well for our work. I certainly should not have earned half the sum in any other way in the same time. And even if I fail in my great object, I shall have the satisfaction of knowing that I have done all in my power to gain it.

She will know that I have done my best. I have always told her, when I have written, how much I owe to you and Dias, how faithfully you have served me, and how you have always been so bright and pleasant. I have no doubt it has cheered her up as well as me."

Maria was wiping her eyes now. "You are too good, senor; it is so little I can do, or Dias either, to show our grat.i.tude."

"Nonsense! You show it in every way, even in the matter-of-fact way of always giving us excellent food, which is by no means unimportant. Now we will all turn in, and make a fresh start to-morrow morning."

They were up at daybreak, and after taking their usual cup of coffee lit the torches and descended the stairs to the floor below.

As soon as they reached the right-hand wall, Harry exclaimed: "Why, this is built in the same way as the one we have left! The stones are squared and fitted together as closely as those in the drawing-room.

Then why should that be, except in that one room? The side walls all the way up are roughly built. Why should they have taken the trouble on this floor to build these, which are only meant as store-rooms, when even in the rooms above, which were meant for the habitation of the chief and his family, the rough work was deemed sufficiently good?

There must have been some motive for this, Dias."

"There must have been, senor; it is certainly strange."