Chicago: Open Court, 1910. 8vo. vi. 163 pp. In English, translated from the original French. Ex library copy as is evident from small stamp inside front cover. Facsimile inscription by author. Otherwise book in Very Good Condition. vg. Item #17787
Author was the Professor of Comparative and Experimental Psychology in the College de France. Interestingly valuable volume from the Religion of Science Library on Mental Health. Wonderful for anyone interested in he history of psychology or psychiatry.