[271] The work of Theophilus was composed certainly not later than A. D. 1000, probably earlier; that of Heraclius, de Artibus Romanorum, was written about the same period. Raspe published Theophilus under the title of “Theophilus Monacus de omni scientia artis pingendi, e codice manuscripto Collegii Trinitatis Cantabrigiensis.” [272] Linseed oil does not dry well without management, any more than the nut oils. Theophilus directs that it should be simmered in a new pipkin over a slow fire (but by no means boil), till one-third was evaporated; then powdered fornice, _i.e._ resin from the pitch-tree, stirred in; and observes, that every kind of painting glazed with this becomes glossy and durable. Thus the simple oil varnish was known and used at least as early as the eleventh century, four hundred years before the Van Eycks. A ground, named by Theophilus, and afterwards by Cennino, for cementing panel, was composed of powdered lime and cheese,--the chief ingredients, if I am not mistaken, of Vancouver’s and other strong cements. [273] Venice turpentine, perhaps. [274] A term now, I believe, only used in heraldry, either in English or French. In Rome they now make pencils of the fine hair of kids. THE END. LONDON: BRADBURY AND EVANS, PRINTERS, WHITEFRIARS. ERRATA. Page 19, line 6, for _Trimuti_ read _Trimurti_ 52, in the note, l. 3 from bottom, for _Sira_ read _Siva_ 107, l. 6, for _cotemporary_ read _contemporary_ 144, l. 11, for _Nausictæa_ read _Nausicaa_ 163, bottom line, for _cotemporary_ read _contemporary_ 167, l. 12, the same the same 209, l. 5, for _Guileo_ read _Giulio_ 225, l. 9, omit the full stop 253, in the second note, for _terula_ read _ferula_ JUST PUBLISHED BY EDWARD MOXON, DOVER STREET. I. _In 3 Vols. price 1l. 7s. 6d. cloth_, THE PROSE WORKS OF CHARLES LAMB. II. _Price 7s. 6d. cloth_, THE POETICAL WORKS OF CHARLES LAMB. III. _In 2 Vols. price 14s. cloth_, SPECIMENS OF ENGLISH DRAMATIC POETS: WITH NOTES. BY CHARLES LAMB. A New Edition. IV. _In 2 Vols. price 18s. boards_, LETTERS, CONVERSATIONS, AND RECOLLECTIONS OF SAMUEL TAYLOR COLERIDGE. V. _Price 4s._, ION. A TRAGEDY, BY MR. SERJEANT TALFOURD.