Note 117 — LETTERS ON ART.
Reading edition
The reference must, I think, be to “Ariadne Florentina: Six Lectures on Wood and Metal Engraving given before the University of Oxford, Michaelmas Term, 1872,” and afterwards published, 1873-6. The lectures given in the year 1873 were upon Tuscan Art, now published in “Val d’Arno.”