APPLETONS' SCIENCE TEXT-BOOKS. The following works of this new series are now ready. Others are to follow : The Elements of Chemistry. By Professor F. W. CLARKE, Chemist of the United States The Essentials of Anatomy, Physiology, and By ROGER S. TRACY, M. D., author of "Hand-book of Sanitary Information for Householders," Sanitary Inspector of the New York City Health Department. A Compend of Geology. By JOSEPH LE CONTE, Professor of Geology and Natural History in the University of California; author of "Elements of Geology," etc. Applied Geology. By SAMUEL G. WILLIAMS, Professor of General and Economic Elements of Zoology. By C. F. HOLDER, Fellow of the New York Academy of Sciences, Corresponding Member of the Linnean Society, etc.; and J. B. HOLDER, M. D., Curator of Zoology of American Museum of Natural History, Central Park, New York. Descriptive Botany. A Practical Guide to the Classification of Plants, with a Popular Flora. By ELIZA A. Youmans. Physiological Botany. By ROBERT BENTLEY, F. L. S., Professor of Botany in King's Principles of Political Economy. By J. LAURENCE LAUGHLIN, Harvard College. |