Fig. 148.—From the Baths of Diocletian, Rome. Showing a fragmentary Entablature at the starting of part of a Vault.
Fig. 149.—From the Palace of Diocletian, Spalatro. Showing an Arch springing from a Column.
In conclusion, it may be worth while to say that the Roman writers and architects recognised five orders: the Tuscan, Doric, Ionic, Corinthian, and Composite, the first and last in this list being, however, really only [!-- original location of Fig. 150 --] variations; and that when they placed the orders above one another, they invariably used those of them which they selected in the succession in which they have been named; that is to say, the Tuscan or Doric lowest, and so on in succession.
Fig. 150.—Mouldings and Ornaments from various Roman Buildings.