[22] Die Psychophysik.

[23] Psychologie des idées forces.

[24] Les Sociétés animales, Paris, 1877.

[25] Bau und Leben des Socialen Körpers.

[26] Medicinische Psychologie.

[27] I have argued that the great increase of knowledge of the functions and structure of the nervous system attained by recent research does but provide for the argument a surer basis of empirical data; and I have contended that some at least of the cases of disintegration of personality are more easily reconcilable with this view, than with the contrary doctrine which regards the individual consciousness as the collective consciousness of the brain-cells. See my Body and Mind, a book I found myself compelled to write in order to arrive at a reasoned judgment on this difficult problem, which obtrudes itself at the outset of the study of group life.

[28] Social Psychology, Chapter IX.

[29] See especially A. Stoll’s Suggestion und Hypnotismus in der Völkerpsychologie, where the events of the French revolution have been treated in some detail from this point of view.

[30] Hon. Maurice Baring in an article in the Morning Post of April 21, 1906.

[31] Social Psychology, Chapter IX.