THE 



JOURNAL OF SCIENCE, 



EXHIBITING 



A VIEW OF THE PROGRESS OF DISCOVERY 



IN NATURAL PHILOSOPHY, CHEMISTRY, MINERALOGY, GEOLOGY, BOTANY, 

 ZOOLOGY, COMPARATIVE ANATOMY, PRACTICAL MECHANICS, GEOGRAPHY, 

 NAVIGATION, STATISTICS, ANTIQUITIES, AND THE FINE AND USEFUL ARTS. 



CONDUCTED BY 



DAVID BREWSTER, LL.D. 



F.R.S. LOND. SEC. R. S. EDIN. F.S.S.A. 



HONORARY MEMBER OF THE ROTAL IRISH ACADEMY; MEMBER OF THE ROTAL SWEDISH 

 ACADEMf OF SCIENCES ; AND OF THE ROTAL SOCIETY OF SCIENCES OF DENMARK, &C. &C. 



VOL. II. 

 NOVEMBER— APRIL. 



WILLIAM BLACKWOOD, EDINBURGH : 

 AND T. CADELL, LONDON. 



M.DCCC.XXV. 



