^-bL' 



THE 



PHILOSOPHICAL TRANSACTIONS 



OF THE 



ROYAL SOCIETY OF LONDON, 



COMMENCEMENT, IN 1665, TO THE YEAR 1800; 



f JlOAf THEIR 



giijrttigeti. 



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. XII. 



FROM 1763 TO 1769. 



PRINTED BY AND FOR C. AND R 



LONDON: 

 . BALDWIN, NEW BRIDGE-STREET, BLACKFRUR8. 



1809. 



irq/4 



/ 



