At Alban in Tarn there are retreats of like nature under the houses, refuges at one time of the persecuted Albigenses, at another of the inhabitants secreting themselves and their goods from the Routiers. At Molières in Lot they are beneath the church, and the approximate date can be fixed when these were excavated, as Molières was founded in 1260. Bourg-sur-Garonne is likewise honeycombed with such retreats, so is Aubeterre, of which more hereafter. The network of underground galleries and chambers is now closed, because the soft chalk rock has fallen in in several places. At Ingrandes-sur-Vienne there are three groups of these refuges, extending to a considerable distance. At Chateau Robin in the Touraine is a chalk cliff that rises above the road to the height of sixty feet and is crowned by a tumulus. In its face are two sets of caves, one superposed over the other. This upper cave or shelter is the most ancient, and dates from prehistoric times, but has been utilised much later. The lower cave is exposed by the widening of the road which has obliterated the original face of the cliff and the original entrance, having made three openings by cutting into a chamber to which formerly there was but a single entrance. The plan of the excavation was made by M. Antoine and communicated to the "Bulletin de la Société Archéologique de Touraine," in 1858, but I will give a description from the pen of a later visitor. "The upper rock-shelter has been dug out or enlarged with a pick. The stone is a tender tufa, containing a quantity of little cores of black silex, giving it a spotty appearance. It was quite impossible to cut the stone so as to give a smooth surface. "The most mysterious portion, however, of the whole is certainly the lower range of vaults, a subject of terror to the inhabitants of the neighbourhood, who believe them to be the abode of the devil. Some persons have visited them, but very few have explored them. Having calculated on the assistance of a poacher of some repute as a fearless fellow, he pointblank refused to accompany me when I proposed an expedition into the cave. I applied to a man of more resolution, a landowner at Arzay-le-Rideau, who readily volunteered his assistance; but when we arrived on the spot, contented himself with showing me the entrance, but declined to adventure himself within, though he assured me he had visited the interior some five-and-twenty or thirty years ago. "These excavations have now several openings upon the road; the two principal are accessible enough, if one is suitably dressed, for beyond the entrance one has to crawl on hands and knees, and this is but the initiation of other discomforts.