APPLETONS' SCIENCE TEXT-BOOKS. 



In response to the growing interest in the study of the Natural Sci- 

 ences, and a demand for improved text-books representing the more 

 accurate phases of scientific knowledge, and the present active and 

 widening field of investigation, arrangements have been made for the 

 publication of a series of text-books to cover the whole field of science- 

 study in High Schools, Academies, and all schools of similar grade. 



The following are now ready. Others in preparation. 



THE ELEMENTS OF CHEMISTRY. By Professor F. W. 

 CLARKE, Chemist of the United States Geological Survey. 12mo, 

 369 pages. 



THE ESSENTIALS OF ANATOMY, PHYSIOLOGY, 

 AND HYGIENE. By ROGER S. TRACY, M. D., Sanitary In- 

 spector of the New York Board of Health. 12mo, 299 pages. 



ELEMENTARY ZOOLOGY. By C. F. HOLDER, Fellow of the 

 New York Academy of Science, Corresponding Member Linneean 

 Society, etc. ; and J. B. HOLDER, M. D., Curator of Zoology of 

 American Museum of Natural History, Central Park, New York. 

 12rno, 386 pages. 



A COMPEND OF GEOLOGY. By JOSEPH LE CONTE, Professor 

 of Geology and Natural History in the University of California; 

 author cf "Elements of Geology," etc. 12mo, 399 pages. 



APPLIED GEOLOGY. A Treatise on the Industrial Relations of 

 Geological Structure. By SAMUEL G. WILLIAMS, Professor of Gen- 

 eral and Economic Geology in Cornell University. 12mo, 386 pages. 



DESCRIPTIVE BOTANY. A Practical Guide to the Classifi- 

 cation of Plants, with a Popular Flora. By ELIZA A. YOUMANS. 

 12mo, 336 pages. 



PHYSIOLOGICAL BOTANY. By ROBERT BENTLEY, F. L. S, 

 Professor of Botany in King's College, London. Adapted to Ameri 

 can Schools and prepared as a Sequel to " Descriptive Botany," b) 

 ELIZA A. YOUMANS. 12mo, 292 pages. 



THE ELEMENTS OF POLITICAL ECONOMY. By J. 



LAURENCE LAUGHLIN, Ph. D., Assistant Professor of Political Econ* 

 omy in Harvard University. 12 mo. 



For specimen copies, terms for introduction, catalogue, and price list of all 

 our publications, write to publishers at either address below. 



D. APPLETON & CO., Publishers, 



NEW YORK, BOSTON, CHICAGO, ATLANTA, SAN FRANCISCO, 



