The table of contents was generated and does not appear in the book.
Obvious punctuation errors repaired.
Inconsistent hyphenation fixed.
P. 138: one of the most serious crisis -> one of the most serious crises.
P. 158: a gentlemen sung a sea-song -> a gentleman sung a sea-song.
P. 176: after a dicussion -> after a discussion.
P. 219: Lieutenants D. Forbes -> Lieutenant D. Forbes.