PHILOSOPHICAL 
TRANSACTIONS, 
GIVING SOME 
ACCOUNT | 
OF THE 
Prefent Undertakings, Studies, and Labours, 
O F T H E j 
INGENIOUS 
IN MANY 
Conliderable Parts of the WORLD. 
VOL. XLIII. For the Years 1744- and 1745. 
LONDON: 
Printed for C. Davis, over-againft Gray s-Inn-G ate 
in Holbourn j Printer to the R 0 y a l Society, 
M. DCC. XLVL 
