TRANSCRIBER’S NOTES
Simple typographical errors have been silently corrected; unbalanced quotation marks were remedied when the change was obvious, and otherwise left unbalanced.
Punctuation, hyphenation, and spelling were made consistent when a predominant preference was found in the original book; otherwise they were not changed.
To preserve the integrity of the original text, archaic terminology across all languages used by the author has been retained.
The manuscripts for the figures on pages 59–61 and 71–74 were transcribed as accurately as possible by this transcriber.
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