Page:A Journey to the Western Islands of Scotland - Johnson (1775).djvu/175

 great way under ground, which had been discovered by digging after a fox. These caves, of which many have been found, and many probably remain concealed, are formed, I believe, commonly by taking advantage of a hollow, where banks or rocks rise on either side. If no such place can be found, the ground must be cut away. The walls are made by piling stones against the earth, on either side. It is then roofed by larger stones laid across the cavern, which therefore cannot be wide. Over the roof, turfs were placed, and grass was suffered to grow; and the mouth was concealed by bushes, or some other cover.

These caves were represented to us as the cabins of the first rude inhabitants, of which, however, I am by no means persuaded. This was so low, that no man could stand upright in it. By their construction they are all so narrow, that two can never pass along them together, and