! ,• 



THE 



PHILOSOPHICAL TRANSACTIONS 



OF THE 



ROYAL SOCIETY OF LONDON, 



FROM THEIR COMMENCEMENT, JN 1665, TO THE TEAR 1800; 



aijntjgeti* 



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. XIII. 



FROM 1770 TO 1776. 



LONDON : 



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



1809. 





