I must begin with a few words about Roman libraries, because their methods influenced the Middle Ages, and are, in fact, the precursors of those in fashion in our own times. The Romans preserved their books in two ways: either in a small room or closet, for reading elsewhere; or in a large apartment, fitted up with greater or less splendour, according to the taste or the means of the possessor, in which the books were doubtless studied as in a modern library. An instructive example of the former class was one of the first discoveries at Herculaneum in 1754. It was a very small room, so small in fact that a man who stood with his arms extended in the centre of it could almost touch the walls on either side, yet 1700 rolls were found in it. These were kept in wooden presses (armaria) which stood against the walls like a modern bookcase. Besides these a rectangular case occupied the central space, with only a narrow passage to the right and left between it and the wall-cases. These cases
