Transcriber's Note:
- Minor typographical errors have been corrected without note. Other corrections are noted below.
- Ambiguous hyphens at the ends of lines were retained.
- Word combinations that appeared with and without hyphens were changed to the predominant form if it could be determined.
- Footnotes were moved to the end of the book and numbered in one continuous sequence.
- In the index the numbers i. and ii. refer to volumes i. and ii.