[143]. Not included in this volume.
[144]. Aboulie et idées fixes, Revue philosophique, 1891, i., p. 279. Mental State of Hystericals, p. 408.
[145]. P. 33.
[146]. The switching process is an interesting problem in itself. (Cf. Max Levy-Suhl: Ueber Einstellungsvorgänge in normalen und anormalen Seelenzuständen. Zeitschrift für Psychotherapie und Medizinishe Psychologie, Bd. 11, Hft. 3, 1910.) An example is the well-known psychological diagram which may be perceived at one moment as a flight of steps and at another as an overhanging wall, according as which perception of the same line is switched in.
[147]. Lectures not included in this volume.
[148]. In the case of Miss B., for example, Sally had absolute amnesia for certain systems of subject-complexes (Latin, French, etc.) possessed by the other personalities.
[149]. William Sharp, A Memoir, by Elizabeth A. Sharp.
[150]. My Life as a Dissociated Personality, Journal of Abnormal Psychology, October-November, 1908, December-January, 1909.
[151]. The Dissociation, Chapter XXIII.
[152]. Provided, of course, this new knowledge is justified and not contradicted by the facts and principles of life. In other words, it must be believed, at least, to be the truth.