Transcriber's Notes:
Page [23]: [Fn. 8]: Phychology amended to Psychology
Page [25]: Missing footnote marker in original. Added footnote marker after James quote.
Page [35]: casual amended to causal
Page [38]: haphazard amended to haphazardly; grouping amended to groupings
Page [39]: subejct amended to subject
Page [54]: vender sic
Page [56]: "Under the influence of alcoholic drinks and of poisonous intoxicants attention and will always fall into exhaustion." sic Possibly the word "does" or similar is missing before "and," or "and" is superfluous.
Page [55]: subtances amended to substances
Page [75]: images amended to image