M. L. Druyn, in his _La Guyenne Militaire_, Bordeaux, 1865, gives the following account of a refuge he explored. "Ascending the valley that separates the castle of Roquefort from the church of Lugasson, after having passed the village of Fauroux, one reaches, on the left side of the road, a splendid quarry of hard stone, but a few paces further on, upon the same side, the stone becomes soft. Here on the right, in a little coppice beside the road, is found a place of refuge of which I give the plan as accurately as it was possible for me to take it where one had to crawl on hands and knees, and sometimes wriggle forward lying on one's stomach, over earth that was damp and rubble fallen from above, and in corridors completely filled by one human body. "The entrance is at A on a level with the soil outside against the rock, but this cannot have been the original place of admission. It is a round hole and very narrow. The real entrance was at K, where one can distinguish a circular opening like the orifice of a silo, but which is now in the open and is choked with stones; or else at the end of the gallery H B. The chamber Y containing silos for preservation of grain must have been the furthest extremity. It is 6 feet 3 inches high, and the floor is higher above the mouth of the silos than elsewhere. The cavern is hewn out of the rock. All the chambers are circular. They are vaulted for the most part in the form of low cupolas. The domes of some are so low that one cannot stand upright in them. The corridors are still lower than the chambers, and one can only get along them by creeping. The extremities of the corridors and the entrances to the chambers had doors originally. One can see the notches for the reception of the closing beams. I saw no trace of hinges. The passages are all arched over in semicircle." [Illustration: Cluseau de Fauroux.] Lacoste, speaking of the Saracen invasion and devastation of Quercy, says that "in Lower Quercy, where caverns are not common as they are in Upper Quercy, the inhabitants dug _souterrains_ with a labour that only love of life could prompt. Three of vast extent have been discovered at Fontanes, Mondoumerc, and Olmie. That of Mondoumerc is cut in the tufa, and is about 20 feet deep. It consists of an infinity of cells, or small chambers, united by a corridor. But the vastest and most remarkable for its extent and the labour devoted on it, is that of Olmie. The chambers are scooped out of a very hard sandstone. In some of them are little wells or reservoirs that were filled with water as a precaution against thirst, if refugees were obliged to remain long in this asylum. The passages, with their turns, constitute a veritable labyrinth whence it would be hard to find one's way out without the assistance of a guide." The entrance to these hiding-places was either under a ledger stone in a church, or through a cellar, or half-way down a well, or in a thicket.