Abstract Abstract Manual of Mental and Physical Tests. By G. M. Whipple, Ph. D. Warwick & York, Baltimore, 1910. 8vo. Pages 534. Price, $2.50. Old Age Deferred, The Causes of Old Age and Its Postponement by Hygienic and Therapeutic Measures. By Arnold Lorand, M. D., of Carlsbad, Austria, translated by the author from the second German edition. Published by F. A. Davis Company, Philadelphia, 1910. Size 6×9 inches. 458 pages. Price Sprains and Allied Injuries of Joints. By R. H. Anglin Whitelocke, M. D., M. C., F. R. C. S. Published by Henry Frowde and by Hodder & Stoughton. second edition, London, England, 1910. Size 5×9 inches. 280 pp. Price $3.00. The Wider Use of the School Plant. By Clarence Arthur Perry, with introduction by Dr. Luther Halsey Gulick. Published by Charities Publication Committee, New York, 1910. Size 5×8 inches. 423 pp. Price postpaid $1.25. The Human Body. By H. Newell Martin, D. Sc., M. A., M. D., F. R. S. Ninth edition, thoroughly revised by Ernest G. Martin, Ph. D., instructor in physiology, Harvard Medical School. Henry Holt & Co., New York, 1910. 546 pages. 12mo. The Vegetable Proteins. By Thomas B. Osborne, Ph. D. Longmans, Green & Co., New York, 1909. Royal 8vo. 135 pp. Reviewed by Elmer Berry. Education in Sexual Physiology and Hygiene. By P. Zenner, M. D. Robert Clark Company, Cincinnati, 1910. 16mo. 126 pp. Price $1.00. Pioneers of Modern Physical Training. By F. E. Leonard, M. D. Physical Directors' Society of the Young Men's Christian Associations of North America, 1910. 12mo. 89 pp. Price 75 cents.