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 



■:Etl OF THH GEOLOGICAL SOCIETY, OP THE WER.VERIAX SOCIETY, AND OF THF 

 IMPERIAL MEDICO-CI1UUJRGICAL ACADEMY OF PETERSBURGn, 



VOL. IV. 



JULY TO DECEMBER, 18M-, 



Xonbon : 



Printed by C. Ilaldiein, New Bridge-street ; 



jfor ROBERT BALDWIN, paternoster -roav. 



SOLD ALSO BY 

 W. BI,ACKAVOOD, EDINBURGH; AXD J. CUMMING, DUBLIN. 



1S14. 



