Some of the houses are much larger, and must have contained two or more apartments. But what strikes the eye of the observer most is the relatively large number of purely circular edifices, and this it is that has mainly attracted the speculations of archæologists. Mr. Oswald Crawford, who went over the place whilst the excavations were in their earlier stages many years ago, was mistaken in his estimate that the round buildings were eight or nine times more numerous than the square, and he founded upon this and other data the opinion that the whole place was a great granary, where the food of the tribes might be stored in safety. So far from the round houses being eight times as numerous as the square, found at least four square houses to every one round; but that which struck me as most curious, and so far as I could learn, it had not specially attracted the attention of previous visitors, was that in a large number of cases the round houses were enclosed in a square or angular walled space, not very much larger than the circle, but leaving a passage of some two feet wide, in most cases on the right-hand side, between the two walls, leading to a space at the back between the circular wall and the wall of the square enclosure, the left-hand side of the circular wall being mostly built to touch the square wall on that side. Dr. Sarmento was of opinion that the space thus formed was for the purpose of sheltering cattle and domestic animals, and says that he had found some rough stone excavations like troughs in them, with, in one or two cases, a ring in the wall as if to tether beasts. The width of the entrance passage and the extent of the enclosed space in the rear of the circle would be too small to admit any large animal; but probably goats would be housed in them easily. In one or two cases I noted that the stone post forming a jamb to the entrance to the passage between the round house and the square enclosure was grooved on the inner surface. This in Dr. Sarmento’s opinion proved that the entrance to the passage was closed by a lifting hatch of wood, which to some extent confirms the idea that the back space was intended to shelter animals such as goats, as a lifting door set in a groove would be much less likely to be forced by them than a swing door turning, as the house door did, on wooden pegs.