TRANSACTIONS 



CAMBRIDGE 



PHILOSOPHICAL SOCIETY. 



ESTABLISHED NOVEMBER 15, 1819, 



VOLUME THE TENTH. 



CAMBRIDGE: 



^tinteO at tfie sanibrnttB ^wss ; 



AND SOLD BY 



DEIGHTON, BELL AND CO. AND MAOMTT.T.AN AND CO. CAMBRIDGE; 

 BELL AND DALDY, LONDON. 



1I.DCCC.LXIT. 



