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This book consists of the following lectures: i. on the essence and method of psychology; 2. the intellectual side of psychic life, including sensations, perceptions, attention, suggestion, association and memory; 3. the side of feeling and will; 4. psychology of Aussage as represented by Stern; and 5. the Tatbestandsdiagnostik from the standpoint of Freud.

This work deals with imagination, feeling, principles of art, rhythm, dancing, music, color, light and form, design, architecture, sculpture, painting, language as an art medium, poetry, drama, prose, and general conceptions of beauty and art. The work certainly does fill a long-felt want, for we know nothing in English that covers this ground.

This book makes individual experiments as opposed to class demonstrations practicable, regardless of laboratory facilities or the size of the class. A student is given means and encouragement for pursuing each problem intensively, that he may acquire independence of thought and action, realize the actuality of mental processes, and get here and there a vision of the vastness and orderliness, the practical significance and the charms of the mental life.

In chapter I the author shows the origin of the theory of change in common knowledge. In the succeeding chapters he reviews the principles that underlie human life under the form of an inquiry into the possible destiny of man's various activities, viewed in the light of the past. He next considers the universe of matter and ether, points out the true importance of the problem of reason and will, shows the bearing of this philosophy on the special theory of dissolution, deals with the relation between life and death, discusses the mode of life of any terrestrial race who should hold as rational the view of faith as now attainable. The two last chapters contain random observations upon life as we know it, the uses of rational pessimism, and literary style. It must have given the author great pleasure to solve so neatly so many of the great open questions of the universe.

The first chapter states the problems, the second the material (sense, colored paper, nonsense, symbols) with the operations of chance and various limitations. The third gives the method of presenting a series. The fourth deals with the effects of experiments in memorizing upon the serial order of smells and colors. The fifth gives the actual processes involved in memorizingthe serial order. The work is carefully, not to say elaborately, done, and is worthy of the author's well-known care and diligence as an investigator.

This book on intermittent depression and excitation may be said in