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.
Page 463: “fixd rule” was printed that way.
Page 464: The Greek transliteration “hoi polloi” was added by
Transcriber and enclosed in {curly braces}.
Page 466: The opening quotation mark for “half-fanatical” has no
matching closing mark; Transcriber added one after “personality
worship”.
Page 495: “carbon dioxid” was printed that way.
Page 515: “easily reduce” may be a misprint for “easily deduce”; “by
the sign of” may be an archaic spelling of “sine”.
Page 536: “pompes funébres” is a misprint for “funèbres”.
Page 553: “Belelgueze” was printed that way, probably refers to
“Betelgeuse”.
Page 559: “chlorid” was printed that way.