[17] Exhibited in the Roman Section, by some blunder of the Committee; the picture having been painted in Rome. [18] Purchased for £2,000 by the President and Council of the Royal Academy, under the terms of the Chantrey Bequest. [19] Painted by invitation for the Collection of Portraits of Artists painted by themselves in the Uffizi Gallery, Florence. [20] Painted for the house of Mr. Murquand, New York. [21] Purchased for 1,000 guineas by the President and Council of the Royal Academy, under the terms of the Chantrey Bequest. * * * * * Transcriber's note: Passages in italics are indicated by _underscore_. Images have been moved from the middle of a paragraph to the closest paragraph break or to the end of a long quote. The following misprints have been corrected: "Dyson-Perrin" corrected to "Dyson-Perrins" (page v) "Frederic" corrected to "Frederick" (page 25 and index) Missing word added on page 101 (assumed "the"). Additional spacing after some of the quotes is intentional to indicate both the end of a quotation and the beginning of a new paragraph as presented in the original text. The original text includes Greek characters. For this text version these letters have been replaced with transliterations.