Transcriber's Notes
The transcriber made this change to the text to correct an obvious error:
1. p. 12,
a watchman to every forty houses, twenty on
it one side of the way, and twenty on the other; for
is observable that a man cannot well see distinctly
beyond the extent of twenty houses in a row;
-->
a watchman to every forty houses, twenty on
one side of the way, and twenty on the other; for
it is observable that a man cannot well see distinctly
beyond the extent of twenty houses in a row;