page xvi: 'enforcible'->'enforceable'
page xvi: 'communites'->'communities'
page 11: 'postively'->'positively'
page 55: 'parargaph'->'paragraph'
page 59: 'twlight'->'twilight'
page 85: 'beloning'->'belonging'
page 109: 'probaby'->'probably'
page 133: 'occason'->'occasion'
page 138: 'separting'->'separating'
page 170: 'prescrbed'->'prescribed'
page 333: 'previousy'->'previously'