Transcriber's Note:
Minor punctuation errors have been corrected without note. Inconsistent hyphenation has not been changed.
The following corrections were made to the text:
[p. 17]: contantly to constantly (constantly enlarging and more comprehensive)
[p. 24]: admiting to admitting (even while admitting)
[p. 24]: which which to with which (with which it is used)
p. 28 ([Footnote 2]): contraint to constraint (Freedom and constraint)
p. 30 ([Footnote 3]): acton to action (all volitional action)
[p. 34]: Maudesley to Maudsley (says Dr. Maudsley)
[p. 41]: missing "from" added (shall be expelled from our)
[p. 58]: occured to occurred (occurred in the past)
[p. 86]: absurdem to absurdum (argument ad absurdum)
[p. 98]: condiitons to conditions (certain conditions, circumstances)
[p. 107]: Hamiliton to Hamilton (Sir William Hamilton)