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. M.R.I.A. 



CORRESPONDING MEMBER OF THE INSTITUTE OF FRANCE ; CORRESPONDING MEMBER OF THE ROVAI. 



PRUSSIAN ACADEMY OF SCIENCES ; MEMBER OF THE ROYAL SWEDISH ACADEMY 



OF SCIENCES; OF THE ROYAL SOCIETY OF SCIENCES OF DENMARK ; 



OP THE ROYAL SOCIETY OF GOTTINGEN, &C. &C. 



VOL. VIII. 

 NOVEMBER— APRIL. 



JOHN THOMSON, EDINBURGH 

 AND T. CADELL, LONDON. 



M.DCCCXXVIII. 



