ANNUAL 



OF 



SCIENTIFIC DISCOVERY: 



OB, 



- 



TEAR-BOOK OF FACTS IN SCIENCE AND ART 



FOR 1855. 



EXHIBITING THE 



MOST IMPORTANT DISCOVERIES AND IMPROVEMENTS 



IN 



MECHANICS, USEFUL ARTS, NATURAL PHILOSOPHY, CHEMISTRY, 

 ASTRONOMY, METEOROLOGY, ZOOLOGY, BOTANY, MINER- 

 ALOGY, GEOLOGY, GEOGRAPHY, ANTIQUITIES, &c. 



TOGETHER "WITH 



A LIST OP RECENT SCIENTIFIC PUBLICATIONS ,' A CLASSIFIED LIST OF 



PATENTS ; OBITUARIES OF EMINENT SCIENTIFIC MEN J NOTES ON 



THE PROGRESS OF SCIENCE DURING THE YEAR 1854:, ETC. 



EDITED BY 



DAVID A, WELLS, A. M. 



BOSTON: 

 GOULD AND LINCOLN, 



59 WASHINGTON STREET. 



LONDON: 

 TRUBNEB, AND COMPANY, 



12 PATERNOSTER ROW, 



1855. 



