+--------------------------------------------------------------------+ THE INTERNATIONAL SCIENTIFIC SERIES. • • • • • EACH BOOK COMPLETE IN ONE VOLUME, 12MO, AND BOUND IN CLOTH. • • • • • 1. FORMS OF WATER: A Familiar Exposition of the Origin and Phenomena of Glaciers. By J. TYNDALL, LL. D., F. R. S. With 25 Illustrations. $1.50. 2. PHYSICS AND POLITICS; Or, Thoughts on the Application of the Principles of “Natural Selection” and “Inheritance” to Political Society. By WALTER BAGEHOT. $1.50. 3. FOODS. By EDWARD SMITH, M. D., LL. B., F. R. S. With numerous Illustrations. $1.75. 4. MIND AND BODY: The Theories of their Relation. By ALEXANDER BAIN, LL. D. With 4 Illustrations. $1.50. 5. THE STUDY OF SOCIOLOGY. By HERBERT SPENCER. $1.50. 6. THE NEW CHEMISTRY. By Professor J. P. COOKE, of Harvard University. With 31 Illustrations. $2.00. 7. ON THE CONSERVATION OF ENERGY. By BALFOUR STEWART, M. A., LL. D., F. R. S. With 14 Illustrations. $1.50. 8. ANIMAL LOCOMOTION; or, Walking, Swimming, and Flying. By J. B. PETTIGREW, M. D., F. R. S., etc. With 130 Illustrations. $1.75. 9. RESPONSIBILITY IN MENTAL DISEASE. By HENRY MAUDSLEY, M. D. $1.50. 10. THE SCIENCE OF LAW. By Professor SHELDON AMOS. $1.75. 11. ANIMAL MECHANISM: A Treatise on Terrestrial and Aërial Locomotion. By Professor E. J. MAREY. With 117 Illustrations. $1.75. 12. THE HISTORY OF THE CONFLICT BETWEEN RELIGION AND SCIENCE. By J. W. DRAPER, M. D., LL. D. $1.75. 13. THE DOCTRINE OF DESCENT AND DARWINISM. By Professor OSCAR SCHMIDT (Strasburg University). With 26 Illustrations. $1.50. 14. THE CHEMICAL EFFECTS OF LIGHT AND PHOTOGRAPHY. By Dr. HERMANN VOGEL (Polytechnic Academy of Berlin). Translation thoroughly revised. With 100 Illustrations. $2.00. 15. FUNGI: Their Nature, Influences, Uses, etc. By M. C. COOKE, M. A., LL. D. Edited by the Rev. M. J. Berkeley, M. A., F. L. S. With 109 Illustrations. $1.50. 16. THE LIFE AND GROWTH OF LANGUAGE. By Professor WILLIAM DWIGHT WHITNEY, of Yale College. $1.50. 17. MONEY AND THE MECHANISM OF EXCHANGE. By W. STANLEY JEVONS, M. A., F. R. S. $1.75. 18. THE NATURE OF LIGHT, with a General Account of Physical Optics. By Dr. EUGENE LOMMEL. With 188 Illustrations and a Table of Spectra in Chromo-lithography. $2.00. 19. ANIMAL PARASITES AND MESSMATES. By Monsieur VAN BENEDEN. With 83 Illustrations. $1.50. 20. FERMENTATION. By Professor SCHÜTZENBERGER. With 28 Illustrations. $1.50. 21. THE FIVE SENSES OF MAN. By Professor BERNSTEIN. With 91 Illustrations. $1.75. 22. THE THEORY OF SOUND IN ITS RELATION TO MUSIC. By Professor PIETRO BLASERNA. With numerous Illustrations. $1.50.