He found himself in a lofty cavern, shaped somewhat like a Gothic chapel, of vague outline,--the only light within was that which came through the narrow aperture between the stone lips. Great as was his need of shelter, the Bishop, on his way down the ladder, was struck by a reluctance, an extreme distaste for the place. The air in the cave was glacial, penetrated to the very bones, and he detected at once a fetid odour, not very strong but highly disagreeable. Some twenty feet or so above his head the open mouth let in grey daylight like a high transom. While he stood gazing about, trying to reckon the size of the cave, his guide was intensely preoccupied in making a careful examination of the floor and walls. At the foot of the ladder lay a heap of half-burned logs. There had been a fire there, and it had been extinguished with fresh earth,--a pile of dust covered what had been the heart of the fire. Against the cavern wall was a heap of piñon faggots, neatly piled. After he had made a minute examination of the floor, the guide began cautiously to move this pile of wood, taking the sticks up one by one, and putting them in another spot. The Bishop supposed he would make a fire at once, but he seemed in no haste to do so. Indeed, when he had moved the wood he sat down upon the floor and fell into reflection. Father Latour urged him to build a fire without further delay. "Padre," said the Indian boy, "I do not know if it was right to bring you here. This place is used by my people for ceremonies and is known only to us. When you go out from here, you must forget." "I will forget, certainly. But unless we can have a fire, we had better go back into the storm. I feel ill here already." Jacinto unrolled the blankets and threw the dryest one about the shivering priest. Then he bent over the pile of ashes and charred wood, but what he did was to select a number of small stones that had been used to fence in the burning embers. These he gathered in his _serape_ and carried to the rear wall of the cavern, where, a little above his head, there seemed to be a hole. It was about as large as a very big watermelon, of an irregular oval shape.