The ecclesiastical architecture of the later Middle Ages was not only beautiful, but it was eminently suitable for its purpose, and above all provided light and air. The churches, the town halls, the monasteries and abbeys, were models in their kind, and it would have been quite surprising if the hospitals alone had been unworthy products of that great architectural period. As abundant remains serve to show even to the present time, they were not. The hospitals built in the thirteenth century particularly usually were of one story, had high ceilings with large windows, often were built near the water in order that there might be abundance of water for cleansing purposes, and also so that the sewage of the hospital might be carried off, had tiled floors that facilitated thorough cleansing, and many other provisions that the architects of our time are reintroducing into hospital construction. They were a complete contrast to the barrack-like hospitals with small windows, narrow corridors, cell-like rooms, which were built even two generations ago, and which represented the lowest period in hospital building for seven centuries. [Illustration: LEPER HOSPITAL OF ST. BARTHOLOMEW, OXFORD _From "Medieval Hospitals," by Miss R. M. Clay_] Viollet le Duc, in his "Dictionary of Architecture," has given a picture of the interior of one of these medieval hospitals, that of Tonnerre in France, erected by Marguerite of Bourgogne, the sister of St. Louis, in 1293, which we reproduce here. Mr. Arthur Dillon, discussing this hospital from the standpoint of an architect, says: "It was an admirable hospital in every way, and it is doubtful if we to-day surpass it. It was isolated, the ward was separated from the other buildings, it had the advantages we so often lose of being but one story high, and more space was given to each patient than we can now afford. "The ventilation by the great windows and ventilators in the ceiling was excellent; it was cheerfully lighted, and the arrangement of the gallery shielded the patients from dazzling light and from draughts from the windows, and afforded an easy means of supervision; while the division by the roofless, low partitions isolated the sick, and obviated the depression that comes from the sight of others in pain. "It was, moreover, in great contrast to the cheerless white wards of to-day. The vaulted ceiling was very beautiful; the woodwork was richly carved, and the great windows over the altars were filled with coloured glass. Altogether, it was one of the best examples of the best period of Gothic architecture."