Withdrawal of foot by reflex action, 75. WÜRTENBERGER, Dr., referred to, 254. Y. YARRELL, Mr., referred to, 186. LIST OF OPEN COURT PUBLICATIONS ON SCIENCE The Primary Factors of Organic Evolution. By E. D. Cope. Second edition. Pages, 550; illustrations, 121; tables, bibliography, and index. Cloth, $2.00 net. A comprehensive handbook of the Neo-Lamarckian theory of Evolution. A Mechanico-Physiological Theory of Organic Evolution. By Carl von Naegeli. Translated by V. A. Clark and F. A. Waugh. Price, cloth, 60c; paper, 30c net. A synopsis of his great work on evolution. Darwin and After Darwin. An exposition of the Darwinian Theory and a Discussion of Post-Darwinian Questions. By George J. Romanes. 3 vols. Price, $4.00 net. Part I. The Darwinian Theory. Price, cloth, $2.00 net. Part II. Post-Darwinian Questions: Heredity and Utility. Price, cloth, $1.50 net. Part III. Post-Darwinian Questions. Isolation and Physiological Selection. Price, cloth, $1.00 net. An Examination of Weismannism. By George J. Romanes. Price, cloth, $1.00 net; paper, 40c net. "The best criticism of the subject in our language."--_The Outlook._ On Germinal Selection. By August Weismann. Translated by T. J. McCormack. Price, paper, 30c net. The Rise of Man. A Sketch of the Origin of the Human Race. By Paul Carus. Pages, 97; illustrated. Boards, cloth back, 75c net. The Scope and Content of the Science of Anthropology. By Juul Dieserud. Pages, 200; cloth, gilt top, $2.00 net. "The science of Anthropology," according to Topinard, "is that branch of natural history which treats of man, and the races of men." Experiments on the Generation of Insects. By Francesco Redi. Translated from the Italian edition of 1688, by Mab Bigelow. Illustrated. Cloth, $2.00 net. This book may be counted as one of the classics of the theory of evolution. Ants and Some Other Insects. An Inquiry into the Psychic Powers of these Animals, with an Appendix on the peculiarities of their Olfactory Sense. By August Forel. Translated by William M. Wheeler. Price, $1.00 net; paper, 55c net. Plant Breeding. Comments on the Experiments of Nilsson and Burbank. By Hugo de Vries. Pages, xv, 360. Illustrated with 114 half-tone plates from nature. Printed on fine paper, in large type. Cloth, gilt top. Price, $1.50 net. A scientific book in simple language. Intensely interesting as well as instructive. Of special value to every botanist, horticulturist and farmer. Species and Varieties, Their Origin by Mutation. Lectures delivered at the University of California by Hugo de Vries, Professor of Botany in the University of Amsterdam. Pages, xviii, 847. Cloth, gilt top, $5.00 net.