ANNALS OF PHILOSOPHY ; 
OR, MAGAZINE OF 
CHEMISTRY, MINERALOGY, MECHANICS, 
NATURAL HISTORY, 
AGRICULTURE, AND THE ARTS. 
BY THOMAS THOMSON, M.D. F.R.S, L. & E. F.L.S. &c. 
MEMBER OF THE GEOLOGICAL SOCIETY, OF THE WERNERIAN SOCIETY, AND OF THE 
IMPERIAL MEDICO-CHIRURGICAL ACADEMY OF PETERSBURGH, 
VOL. IX. 
JANUARY TO JUNE, 1817. 
Aondon : 
Printed by C. Baldwin, New Bridge-street ; 
FOR BALDWIN, CRADOCK, AND JOY, 
47, PATERNOSTER-ROW. 
SOLD ALSO BY 
W. BLACKWOOD, EDINBURGH; AND J. CUMMING, DUBLIN, 
OE. 
1817. 
