28. Galton, Francis, "Inquiries into Human Faculty," 1883; Macmillan; see
essays on association, doctrine of blends.
29. James, William, "Principles . . . ;" The Mental Cue, II, 497, 518; for
phrase, "Talks to Teachers," p. ix--118, 1900; Henry Holt & Co., New York.
30. Sherrington, C. S., "Integrative Action of the Nervous System," 1906;
Scribners, New York.
31. Bechterew, W. von, "Objective Psychologie oder Psychoreflexologie,"
1913; from the Russian, B. G. Teubner, Leipzig and Berlin.
Pavlow, "Study of the Higher Mental Functions," British Medical Journal,
October, 1913.
32. Ladd & Woodworth, "Elements of Physiological Psychology," 1911; p. 594;
Charles Scribner's Sons, New York.
33. Woodworth, R. S., "A Revision of Imageless Thought," in Psychological
Review, January, 1915; Presidential Address, American Psychological
Association, Philadelphia, 1914, December. See esp. pp. 26-27.