Words and phrases in italics are surrounded by underscores, _like this_. Footnotes were renumbered sequentially and were moved to the end of the chapter. Obvious printing errors, such as backwards, upside down, or partially printed letters and punctuation, were corrected. Final stops missing at the end of sentences and abbreviations were added. On 1236 line, several words of text in the original were unprinted. A later edition of this book uses “to an,” which were added to this text.