THREE CONTRIBUTIONS TO SEXUAL THEORY. By John C. Van Dyke. Fully illustrated. New edition revised and rewritten. Send $1.60.

THREE CONTRIBUTIONS TO SEXUAL THEORY. By Prof. Sigmund Freud. The psychology of psycho-sexual development. Price, $2.

FUNCTIONAL PERIODICITY. An experimental study of the mental and motor abilities of women during menstruation by Leta Stetter Hollingworth. Cloth, $1.15. Paper, 85c.

ART

MICHAEL ANGELO. By Romain Rolland. Twenty-two full-page illustrations. A critical and illuminating exposition of the genius of Michael Angelo. $2.65, postpaid.

INTERIOR DECORATION: ITS PRINCIPLES AND PRACTICE. By Frank Alvah Parsons. Illustrated. $3.25, postpaid.

THE BARBIZON PAINTERS. By Arthur Hoeber. One hundred illustrations in sepia, reproducing characteristic work of the school. $1.90, postpaid.

THE BOOK OF MUSICAL KNOWLEDGE. By Arthur Elson. Illustrated. Gives in outline a general musical education, the evolution and history of music, the lives and works of the great composers, the various musical forms and their analysis, the instruments and their use, and several special topics. $3.75, postpaid.

MODERN PAINTING: ITS TENDENCY AND MEANING. By Willard Huntington Wright, author of “What Nietzsche Taught,” etc. Four color plates and 24 illustrations. “Modern Painting” gives—for the first time in any language—a clear, compact review of all the important activities of modern art which began with Delacroix and ended only with the war. Send $2.75.

THE ROMANCE OF LEONARDI DA VINCI. By A. J. Anderson. Photogravure frontispiece and 16 illustrations in half-tone. Sets forth the great artist as a man so profoundly interested in and closely allied with every movement of his age that he might be called an incarnation of the Renaissance. $3.95, postpaid.