ANNUAL 



o P 



SCIENTIFIC DISCOVERY 



O R 



YEAR-BOOK OF PACTS IN SCIENCE AND ART 



FOR 1859. 



EXHIBITING THE 



MOST IMPORTANT DISCOVERIES AND IMPROVEMENTS 



IN 



MECHANICS, USEFUL ARTS, NATURAL PHILOSOPHY, CHEMISTRY, 



ASTRONOMY, GEOLOGY, ZOOLOGY, BOTANY, MINERALOGY, 



METEOROLOGY, GEOGRAPHY, ANTIQUITIES, ETC. 



TOGETHER WITH 



NOTES ON THE PROGRESS OF SCIENCE DURING THE YEAR 1858; A LIST 



OF RECENT SCIENTIFIC PUBLICATIONS; OBITUARIES OF 



EMINENT SCIENTIFIC MEN, ETC. 



EDITED BY 



DAVID A. WELLS, A.M., 



AUTHOR 6F PRINCIPLES OF NATURAL PHILOSOPHY, PRINCIPLES OF CHEMISTRY, 



SCIENCE OF COMMON THINGS, ETC- 



BOSTON: 



O O II L. T> AND LINCOLN, 



59 \VASHINGTON STREET. 



NEW YORK: SHELDON AND COMPANY. 



CINCINNATI: GEORGE S. BLANCHARD. 



LONDON: TRUBNER & CO. 



1859. 



