Punctuation, hyphenation, and spelling were made consistent when a predominant preference was found in this book; otherwise they were not changed.

Simple typographical errors were corrected; occasional unbalanced quotation marks retained.

Ambiguous hyphens at the ends of lines were retained.

In versions of this book that do not support accented letters, “Canon” (with a tilde over the middle “n”) is spelled “Canyon”.

Page 103: For consistency with the preceding enumerated definitions, the Transcriber added extra spacing after the last of them, just before “We have given”.

Page 348: In some versions of this eBook, the chemical symbols for methane and phosphine are represented as CH4 and PH3.

Page 367: “The scale runs from 0 = calm to = hurricane” is missing the value for hurricane, which is “12”.