Transcriber’s Notes In a few cases, obvious errors or omissions in punctuation have been fixed. Page ii: “nervous insistance,” changed to “nervous insistence,” Table of Contents and Index: “Eurthymics” changed to “Eurhythmics” Page xvi: “of human ature” changed to “of human nature” Page xix: “forget his preconcieved” changed to “forget his preconceived” Page 8: “delerium, melancholy and mania” changed to “delirium, melancholy and mania” Page 12: “she admitted after after having” changed to “she admitted after having” Page 25: “in every singly key” changed to “in every single key” Page 31: “Largo al Factotem” changed to “Largo al Factotum” Page 41: “Most people have been conditioned” changed to “Most people who have been conditioned” Page 44: “sooner those who remained” changed to “sooner than those who remained” Page 53: “are readily adpatable” changed to “are readily adaptable” Page 60: “which has lead some musicians” changed to “which has led some musicians” Page 65: “may appear quiet normal” changed to “may appear quite normal” Page 68: “more powerful subconcious” changed to “more powerful subconscious” Page 69: “for heterogenious groups” changed to “for heterogeneous groups” Page 77: “preferable the piano” changed to “preferably the piano” Page 78: “places of assemble” changed to “places of assembly” Page 84: “barbershop and other public” changed to “barbershops and other public” Page 92: “alloting certain periods” changed to “allotting certain periods” Page 94: “musical programs and hospital announcement,” changed to “musical programs and hospital announcements,” Page 110: “age range of the patient” changed to “age range of the patients” Page 115: “with continuous acession” changed to “with continuous accession” Page 120: “the appelation “music aide”” changed to “the appellation “music aide”” Page 122: “programing for concerts” changed to “programming for concerts” In the bibliography, “Electrophsiology of Mental Activities” was changed to “Electrophysiology of Mental Activities”; there is no anchor for reference [6] Barker. L., in the text. In the index, “Mental disease classication” changed to “Mental disease classification” and “Cavotte from Mignon” changed to “Gavotte from Mignon” The original index had T located after W. This has been fixed. There are numerous probable mistakes in the French and German references in the footnotes; these have been intentionally left as per the original. The spellings of “Philippe Pinel” and “Richard Wallaschek” have been corrected.