Minor punctuation errors have been corrected without notice. A few
obvious typographical errors have been corrected, and they are listed
below. All other inconsistencies are as in the original. The author's
spelling has been maintained.
Page 17: "covered wth forest" changed to "covered with forest".
Page 18: "was this day week that" changed to "was this day last week that".
Page 73: "opinion which is contains" changed to "opinion which it
contains".