references for individual study of special topics is given at the end of the book. Teachers College, Columbia University, January, 1905. PREFACE TO SECOND EDITION The changes from the first edition consist of alterations of form, especially in the case of the exercises, which the experience of teachers who have used the book recommends. The content remains practically identical with that of the first edition. The reference lists are improved by the utilization of the psychological literature of the past two years. Since an excellent English version of the fifth edition of Wundt's Physiologische Psychologie is now progressing toward completion, the references to it have been changed to fit the fifth, instead of the fourth, edition. Teachers College, Columbia University, December, 1906. FEELINGS OF THINGS AND QUALITIES AS PREsent: § 5. The Nature of Sensations.... FEELINGS OF PERSONAL CONDITIONS: EMOTIONS 14. The Nature of the Emotions..... THE ACTION OF THE NERVOUS SYSTEM § 25. The Functions of the Neurones.... 834. The Growth of Instincts into Habits.... § 35. The Formation of Connections in General. |