M> 



THE 



PHILOSOPHICAL TRANSACTIONS 



OF THE 



ROYAL SOCIETY OF LONDON, 



FROM THEIR COMMENCEMENT, IN 1665, TO THE YEAR 1800; 



WITH NOTES AND BIOGRAPHIC ILLUSTRATIONS, 



BY 



CHARLES HUTTON, LL.D. F.R.S. 

 GEORGE SHAW, M.D. F.R.S. F.L.S. 

 RICHARD PEARSON, M.D. F.S.A. 



VOL. XV 



from 1781 to 1785. 



LONDON: 

 PRINTED BY AND FOR C. AND R. BALDWIN, NEW BRIDGE-STREET, BLACK.FRIARS. 



1809- 



5 o 4 



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