Educational psychology . Fig. Fig. 9. Fig. 8. The discharging end of a motor neurone on the gastrocnemius muscleof the frog. After Barker, after SchiefEerdecker, after W. Kuhne. Fig. The discharging ends of neurones in striped muscles of the white ratAfter Van Gehuchten [oo, vol. i, p. 205]. 2l6 THE ORIGINAL NATURE OF MAN

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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1921