The one footnote has been moved to the end of its chapter and relabeled.

Punctuation has been made consistent.

Variations in spelling and hyphenation were retained as they appear in the original publication, except that obvious typographical errors have been corrected.

The following change was made:

p. 43: Sime changed to Lime (passed Lime Point)

p. 292: Line changed to Lime (for Lime Point)