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TRANSCRIBER'S NOTE
Obvious punctuation errors have been corrected after careful comparison with other occurrences within the text and consultation of external sources.
Except for those changes noted below, all misspelling in the text, and inconsistent or archaic usage, have been retained. For example: develop, develope; dulness; inclose; starfish, star-fish.
[Table of Contents.] '228' replaced by '248'.
[Pg 18,] Footnote [7]. 'Weissmannism' replaced by 'Weismannism'.
[Pg 50.] 'Rosshire' replaced by 'Ross-shire'.
[Pg 126.] 'You letter' replaced by 'Your letter'.
[Pg 190.] 'Fetichism' replaced by 'Fetishism'.
[Index: Huxley.] '237' replaced by '287'.