This file uses _underscores_ to indicate italic text. New original cover
art included with this eBook is granted to the public domain. Itemized
changes from the original text:
• p. 282: Replaced “n” with “in” in phrase “the war in which the human
race engages.”
• p. 282: Replaced “endered” with “rendered” in phrase “is rendered
absolutely necessary by the wants of navigators.”
• p. 282: Replaced “s” with “as” in phrase “as they come from the sea.”
• p. 283: Supplied partially misprinted words “which” and “actually” in
phrase “from which it must not be concluded that such an event
actually will take place.”
• p. 284: Added closing double quotation mark after phrase “many
thousands of years must elapse before the event can be _really_
expected.”
• p. 285: Changed “as we must first” with “we must first” in phrase “As
we cannot measure anything exactly, we must first decide what degree
of accuracy is necessary.”
• p. 286: Replaced “4/12” with “8/12” in phrase “Thus, ⅔, 4/6, 6/9,
8/12, &c. are all of the same value.”
• p. 287: Replaced “ast” with “last” in phrase “his master was at last
induced to let him off.”
• p. 287: Added comma after phrase “the Resolution and the Adventure.”
• p. 287: Added comma after phrase “after four of them had been
killed.”