were about a man's height, and had been numbered. It may be concluded from this that a catalogue of the books had once existed. In larger libraries the books were kept in similar presses, but they were ornamented with the busts or pictures of illustrious men, under each of which was a suitable inscription, usually in verse.
No ancient figure of one of these book-presses has been preserved, so far as I have been able to ascertain; but, as furniture is apt to retain its original forms with but little variation for a very long period, a representation of a press containing the four Gospels, which occurs among the mosaics in the Mausoleum of the Empress Galla Placidia at Ravenna, though it could not have been executed before the middle of the fifth century, may be taken as a fairly accurate picture of the book-presses of an earlier age. It is unnecessary to describe it, for it is exactly like a still later example which I am about to shew you. This picture occurs at
