4'~oi- 



/ 



/ 



/ 



THE 



PHILOSOPHICAL TRANSACTIONS 



OF THE 



ROYAL SOCIETY OF LONDON, 



tKOM THEIR COMMENCEMENT. IN 1665^ TO THE YEJR 1800; 



^britigeli. 



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. IX. 



FROM 1744 TO 1749. 



LONDON: 

 PRINTED BV AND FOR C. AND R. BALDWIN, NEW BRIDGE-STREET, BLACKFRIAR8. 



1809. 



^4 1 a. 



