Obvious typographical errors and punctuation errors have been
silently corrected after careful comparison with other occurrences
within the text and consultation of external sources. Except for
those changes noted below, original spelling in the text has been
retained.
Page 42: “Theodore L. DeVinne” replaced by “Theodore L. De Vinne”.
Page 43: “Mr.DeVinne” replaced by “Mr. De Vinne”.
Leading braces in the 3rd column of the table on page 8 were
omitted to improve readability.
Italicized text is surrounded by underscores: _italics_. Bold text is
surrounded by equal signs: =bold=.