PHILOSOPHICAL 
TRANSACTIONS. 
GIVING SOME 
ACCOUNT 
OF THE 
Prefent 'Undertakings ? Studies , and Labours 
OF THE 
INGENIOUS, 
IN MANY 
Confiderable Parts of the WORLD. 
VOL. XXXIII. For the Years 172,4* 1725'. 
LONDON: 
Printed for W. and JcInnys, Printers to the Royal 
Society , at the Weft End of St. Paul's. 172 6. 
