ANNALS OF PHILOSOPHY; 



OR, MAGAZINE OF 



CHEMISTRY, MINERALOGY, MECHANICS, 



NATURAL HISTORY, 

 AGRICULTURE, AND THE ARTS. 



BY THOMAS THOMSON, M.D. RR.S. L. & E. F.L.S. 



REGIUS PROFESSOR OF CHEMISTRY IN THE UNIVERSITY OF GLASGOW, 



MEMBER OP THE GEOLOGICAL SOCIETY, OF THE WERNERIAN SOCIETY, AND OF THE 



IMPERIAL MEDICO-CHIRURGICAL ACADEMY OF PETERSBURGH. 



VOL. XIV. 



JULY TO DECEMBER, 1819. 



HottiKRt: 



Printed by C. Baldwin, New Bridge-street ; 



FOR BALDWIN, CRADOCK, AND JOY, 



47, PATERNOSTER -ItOW'. 



18KJ. 



