A footnote has been added to the bottom of p.107 identifying a letter mentioned in the text. This note is linked to the text through the use of a corresponding symbol. There is a minor correction to the first word of l.16 on p.107 in the form of a crossing out with corrected text added superscript. The second line of p.109 has been underlined. A second hand has endorsed the MS as ‘No.50’ in the upper left-hand corner of p.107. The same hand has also added a bibliographical reference to the bottom of p.107.