In the original book's List of Illustrations and Appendix, repeated text is indicated by dittos; in this e-book, the repeated text is copied in full.
The cover image included with the EPUB and MOBI versions was made by the transcriber and has been placed in the public domain.
The following changes have also been made:
[Page 76]: ancent => ancient: (the ancient Ægyptians).
[Page 182]: Shangai => Shanghai: (Dr. Lockhart of Shanghai).