PRODUCTION NOTES:
1. Notes have been placed in square brackets[] where indicated in the published
text or at the end of the paragraph, as appropriate.
2. Italics in the published text have been capitalised in the eBook, with the
exception of common and scientific names appearing in the appendices at the
end of volume 2, which appear in the eBook as normal text.
3. Errata have been corrected. Original text has been placed in the eBook between braces{}.