Vol. 40. 



December 1812. 



No. 176. 



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Published the Last Day of every Month, 

 [PRICE 2s. 6d.] 





THE 



PHILOSOPHICAL MAGAZINE: W 



m 





COMPREHENDING 



GEOLOGY, 



THE VARIOUS BRANCHES OF SCIENCE, 



THE LIBERAL AND FINE ARTS, 



AGRICULTURE, 



MANUFACTURES AND COMMERCE. 



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.^S 



i^m 



NUMBER CLXXVI. 

 For DECEMBER 1812. 



CONTAINING THE FOLLOWING ENGRAVINGS: 



J, Chavasre's Marine Transit. 



2. A Piute to illustrate Mr, Brodie's Experiments on the 



Influence of the Brain on the Generation of Animal Heat. 



Br ALEXANDER TILLOCH, 



M.R.I. A. F.S.A. EDTN, AND PRRTH, &C. 



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LONDON: 



PRINTED BV UICHAKD TAYLOR AND CO., SHOE LANE: 



'.nd?o!d by Richardsons; Cadell and Davies; Longman^ 

 HuRbT, Rees, Obme& Brown; Murray; Highley; Sher-|| 

 WOOD and Co.; Harding; London: Constable and Co. 

 ixlinburgh: Bbash and Rbid, and D. Niven, Glasgow : 

 and Gilbert and Hodges, Dublin. 



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