Its general direction is east and west, but the entrance faces the north. It is very narrow, although it is under a pretty large natural vault. The first cave is the largest. From this to the second, one must descend by another narrow passage, at first by creeping, and afterwards by a ladder. The difference of level is 30 feet. The second cave is the richest in stalactite of all forms. The passage to the third cave is at first the most difficult of all, and we have to climb with hands and feet; but it afterwards enlarges, and the stalactites of its walls are those in which the imagination of the curious has pretended to see the best characterized figures. It has two lateral dilatations, of which the map of the _Acta Eruditorum_ makes the third and fourth caves. At its extremity, we have still to ascend, in order to arrive at the real third cave, which forms a sort of portal. _Behrens_ says, in his _Hercynia curiosa_, that it cannot be reached, because it would be necessary to descend more than 60 feet; but the above mentioned map, and the description of _Von der Hardt_, which accompanies it, describe this third cave under the name of the Fifth, and place beyond it a narrow passage, terminated by two small grottoes. Lastly, _Silberschlag_, in his _Geogony_, adds, that one of these grottoes leads to a narrow passage, which, descending much, leads under the other caves, and terminates in a place filled with water. There are still many bones in these remote and little frequented parts. Most of those bones which are in collections from this cave, or which have been described, are of the bear genus. A second cave, nearly as celebrated as the former, and very near, is that which is named, after the _unicorn, Enihornshæle_, at the foot of the chateau of _Scharzfels_, in a part of the Electorate of Hanover which is named the Dutchy of _Grubenhagen_, and nearly upon the last southern declivity of the _Hartz_. It has also been described by _Leibnitz_, as well as by _M. Deluc_, in his Letters to the Queen of England. The entrance is 10 feet high, and 7 broad. We descend vertically 15 feet into a sort of vestibule, the roof of which lowers to such a degree, that, at the end of 60 feet, we are obliged to creep. After a long passage, we come to two other caves, according to Leibnitz; but Behrens adds three or four, and says, that, according to the country people, we might penetrate nearly two leagues. _Bruckmann_, who gives a map of this cavern (_Epistol. Itin._ p. 34.), represents only five caves, arranged nearly in a straight line, and connected by extremely narrow passages. The second is the richest in bones; the third, which is the most irregular, has two small lateral caves; the fifth is the smallest, and contains a fountain. Of the bones which have been taken from it, some are in the possession of M. Blumenbach and other naturalists; and others have been figured by _Leibnitz_ and _Mylius_. They belong to the bear, hyena, and tiger or lion genera.