1. P. 97, changed “is was sufficient” to “it was sufficient”.
2. Silently corrected obvious typographical errors and variations in
spelling.
3. Retained archaic, non-standard, and uncertain spellings as printed.
4. Enclosed italics font in _underscores_.
5. Denoted superscripts by a caret before a single superscript
character or a series of superscripted characters enclosed in
curly braces, e.g. M^r. or M^{ister}.