Front matter

Transcriber's Notes: Greek words that may not display correctly in all browsers are transliterated in the text using popups like this: βιβλος. Position your mouse over the line to see the transliteration.

Variations in spelling and hyphenation have been left as in the original. A few typographical errors have been corrected. They have been marked in the text with popups. Hover your mouse over the line to see the correction. A complete list of corrections follows the text.

Ellipses match the original. The List of Illustrations was added by the transcriber. Other notes follow the text.