1. Silently corrected typographical errors and variations in spelling. 2. Archaic, non-standard, and uncertain spellings retained as printed. 3. Enclosed italics font in _underscores_. 4. Enclosed bold font in =equals=. 5. Superscripts are denoted 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}. 6. Subscripts are denoted by an underscore before a series of subscripted characters enclosed in curly braces, e. g. H_{2}O.