Obvious typographical errors and punctuation errors have been corrected after careful comparison with other occurrences within the text and consultation of external sources.
Except for those changes noted below, misspelling by the author, inconsistent or archaic usage, has been retained. For example, arm-chair, arm chair, armchair; boathouse, boat-house; well known, well-known.
[p. vii] 'Ruskin's Isola' changed to 'Ruskin's "Isola"'.
[p. ix] '109' changed to '108'.
[p. ix] '110' changed to '109'.
[p. x] '156' changed to '157'.
[p. x] '220' changed to '221'.
[p. 175] 'Kircudbright' changed to 'Kirkcudbright'.
[p. 197] 'writted' changed to 'written'.
[p. 201] 'erasible' changed to 'erasable'.
[Index:] 'Omar-Khayyam' changed to 'Omar Khayyam'.
[Index:] 'Rhone' changed to 'Rhône'.