Where a cliff stood up precipitous or overhanging, and in its face gaped caverns, those who sought refuge in time of danger naturally looked to them, and contrived means of reaching them, therein to ensconce their goods and secure their persons. They might have to contemplate the devastation of their fields, and their farms burning, from their eyries, but they knew that their persons were safe. There were various ways by which these caves could be reached; one was by cutting notches in the face of the cliff for fingers and toes, so that it could be climbed to from below, but not accessible to an enemy exposed to the thrust of pikes, and to stones being cast down upon him. Or else the notches were cut laterally from an accessible ledge, but if so, then this mode of approach was carefully guarded. A second method was by ladders, but as some of these caves are so high up that no single ladder could reach their mouths, a succession was contrived notched below and above into the rock where ledges either existed naturally or were contrived artificially, so as to enable the climber to step from one ladder to the next. In the event of danger the ladders could be withdrawn. A third method was by a windlass, rope and basket, and this was employed where the ascent by finger and toe notches was peculiarly perilous, for the conveyance of goods or of children and old people. But cattle had also to be saved from the depredators, and in some of the cliff refuges are stables for horses and cowstalls, with mangers and silos; places also where the windlass was fixed and there the sharp edge of the rock has been smoothed to an easy slope to facilitate the landing of the beasts, that were hauled up by bands placed under their bellies. Provision was also made for the baking of bread and the storage of water, this latter in the same way as already described in the account of the contrivances for permanent rock- dwellings. These cliff refuges can have been had recourse to only on emergencies, on account of their inaccessibility. At Cazelles in the commune of Sireuil (Dordogne) is a cliff 1200 feet long, and about 150 feet high. It has been worn into a deep furrow some twenty or thirty feet from the top, horizontal and running its entire length. The whole cliff overhangs its base. The entire groove has been occupied as a refuge, and there have been excavations in the back of the groove for additional chambers. In front, moreover, there must have been a balcony of wood, sustained by beams and props. In three places the edge of the terrace has been cut through for the convenience of hauling up cattle and farm produce. At the time when this was in use there was a hamlet at the foot of the cliff, as is shown by the furrows cut in the rock into which the tile roofing was let, and notches for the reception of the roof timbers.