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 my poor Kirstie.' From the wonderful midnight scene between her and Archie, we may judge what we have lost in those later scenes where she was to have taxed him with the fault that was not his—to have presently learned his innocence from the lips of his supposed victim—to have then vindicated him to her kinsmen and fired them to the action of his rescue. The scene of the prison-breaking here planned by Stevenson would have gained interest (as will already have occurred to readers) from comparison with the two famous precedents in Scott, the Porteous mob and the breaking of Portanferry jail.

The best account of Stevenson's methods of imaginative work is in the following sentences from a letter of his own to Mr. W. Craibe Angus of Glasgow:—'I am still "a slow study," and sit for a long while silent on my eggs. Unconscious thought, there is the only method: macerate your subject, let it boil slow, then take the lid off and look in—and there your stuff is—good or bad.' The several elements above noted having been left to work for many years in his mind, it was in the autumn of 1892 that he was moved to 'take the lid off and look in,'—under the influence, it would seem, of a special and overmastering wave of that