the person's name. And so each of his portraits are not only (in Doctor Johnson's phrase, aptly quoted on the catalogue) "a piece of history," but a piece of biography into the bargain. It is devoutly to be wished that all biography were equally amusing, and carried its own credentials equally upon its face. These portraits are racier than many anecdotes, and more complete than many a volume of sententious memoirs. You can see whether you get a stronger and clearer idea of Robertson the historian from Raeburn's palette or Dugald Stewart's woolly and evasive periods. And then the portraits are both signed and countersigned. For you have, first, the authority of the artist, whom you recognise as no mean critic of the looks and manners of men; and next you have the tacit acquiescence of the subject, who sits looking out upon you with inimitable innocence, and apparently under the impression that he is in a room by himself. For Raeburn could plunge at once through all
