Note 578 — Chapter XI

My first impression of this letter was strongly in favour of its authenticity. I still allow it to stand in the text because it exists, and because there is no evidence, external or internal, to prove it to be a forgery. The more carefully I have examined the MS., however, the greater uncertainty I have felt about it. It is not an original. It is not an official copy. It does not appear, though here I cannot speak conclusively, to be even a contemporary copy. The only guide to the date is the watermark on the paper, and in this instance the evidence is indecisive.—Note to the 2d edition.