unsuspected, without any assistance or advice except yours, my dear Fritz, which I accept with all my heart; so pray find out some means of descending and ascending readily.'
"I immediately recollected your rope ladder, father; it was forty feet long, and we could easily fasten it to the point of the rock. Ernest was delighted and sanguine. We returned with all speed. We took first a roll of cord and some candles; then the rope ladder, which we rolled up as well as we could, but had great difficulty in conveying it up the rock; once or twice, when the ascent was very difficult, we were obliged to fasten a cord to it, and draw it up after us; but determination, courage, and perseverance overcame all obstacles. We arrived at the opening, and, on sounding it, we were glad to find our ladder would be long enough to reach the bottom. We then measured the outside of the rock, and ascertained that the floor of the grotto was near the same level as the ground outside. We remembered your lessons, father, and made some experiments to discover if it contained mephitic air. We first lighted some candles, which were not extinguished; we then kindled a large heap of sticks and dried grass, which burned well, the smoke passing through the opening like a chimney. Having no uneasiness about this, we deferred our commencement till the next day. Then we lighted the forge, and pointed some iron bars we found in the magazine; these were to be our tools to break open the rock. We secured, also, your chisel, as well as some hammers, and all our tools were thrown down below; we then arranged two gourds to serve us for lamps; and when all was
