5. Plan of the Stoa of Hadrian, at Athens. From Miss Harrison's _Mythology and Monuments of Ancient Athens_ 17 6. Elevation of a single compartment of the wall of the Library discovered in Rome, 1883. From notes and measurements made by Signor Lanciani and Prof. Middleton 23 7. Plan of the Record-House of Vespasian, with the adjoining structures. From Middleton's _Remains of Ancient Rome_ 26 8. Part of the internal wall of the Record-House of Vespasian. Reduced from a sketch taken in the 16th century by Pirro Ligorio. From _Commissione Archeologica Comunale di Roma_ 26 9. A reader with a roll: from a fresco at Pompeii 28 10. Book-box or capsa 30 11. A Roman taking down a roll from its place in a Library 35 12. Desk to support a roll while it is being read 36 13. A Roman reading a roll in front of a press (_armarium_). From a photograph of a sarcophagus in the garden of the Villa Balestra, Rome _To face_ 38 14. Press containing the four Gospels. From a mosaic above the tomb of the Empress Galla Placidia at Ravenna 39 15. Ezra writing the Law. Frontispiece to the _Codex Amiatinus_. In the background is a press with open doors. The picture was probably drawn in the middle of the sixth century A.D. _Frontispiece_ 16. Great Hall of the Vatican Library, looking west _To face_ 47 17. A single press in the Vatican Library, open. From a photograph _To face_ 48 18. Rough ground-plan of the Great Hall of the Vatican Library, to illustrate the account of the decoration _To face_ 60 19. Press in the cloister at the Cistercian Abbey of Fossa Nuova 83 20. Ground-plan and elevation of the book-recesses in the cloister of Worcester Cathedral 84 21. Ground-plan of part of the Abbey of Fossa Nuova. To shew the book-room and book-press, and their relations to adjoining structures: partly from Enlart's _Origines Francaises de l'Architecture Gothique en Italie_, partly from my own measurements 85 22. Ground-plan of part of Kirkstall Abbey, Yorkshire 86 23. Ground-plan of part of Furness Abbey. From Mr W. H. St J. Hope's plan 88