I tasted a piece. This was a cavern of rock salt. There was no doubt about it--here was an unlimited supply of the best and purest salt! But one thing detracted from my entire satisfaction and delight--large crystals lay scattered here and there, which, detached from the roof, had fallen to the ground; this, if apt to recur, would keep us in constant peril. I examined some of the masses and discovered that they had been all recently separated, and therefore concluded that the concussion of the air occasioned by the rockets had caused their fall. To satisfy ourselves, however, that there were no more pieces tottering above us, we discharged our guns from the entrance, and watched the effect. Nothing more fell--our magnificent abode was safe. We returned to Falconhurst with minds full of wonder at our new discovery, and plans for turning it to the best possible advantage. Nothing was now talked of but the new house, how it should be arranged, how it should be fitted up. The safety and comfort of Falconhurst, which had at first seemed so great, now dwindled away in our opinion to nothing; it should be kept up, we decided, merely as a summer residence, while our cave should be formed into a winter house and impregnable castle. Our attention was now fully occupied with this new house. Light and air were to be admitted, so we hewed a row of windows in the rock, where we fitted the window cases we had brought from the officers' cabins. We brought the door, too, from Falconhurst, and fitted it in the aperture we had made. The opening in the trunk of the tree I determined to conceal with bark, as less likely to attract the notice of wild beasts or savages should they approach during our absence. The cave itself we divided into four parts: in front, a large compartment into which the door opened, subdivided into our sitting, eating, and sleeping apartments; the righthand division containing our kitchen and workshop, and the left our stables; behind all this, in the dark recesses of the cave, was our storehouse and powder-magazine. Having already undergone one rainy season, we knew well its discomforts, and thought of many useful arrangements in the laying out of our dwelling. We did not intend to be again smoke-dried; we therefore contrived a properly built fire place and chimney; our stable arrangements, too, were better, and plenty of space was left in our workshop that we should not be hampered in even the most extensive operations.