1. P. 173, the portions listed in “Potassium permanganate, oz. 111.; liquid formaldehyde, pint 1.” are unlikely to be correct. Did not alter the passage. 2. Silently corrected obvious typographical errors and variations in spelling. 3. Retained archaic, non-standard, and uncertain spellings as printed. 4. Re-indexed footnotes using numbers. 5. Enclosed italics font in _underscores_. 6. Enclosed bold font in =equals=. 7. 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}.