TRANSACTIONS 



CAMBRIDGE 



PHILOSOPHICAL SOCIETY. 



ESTABLISHED November 15, 1819. 



VOLUME THE FOURTH. 



CAMBRIDGE: 



PRINTED BY J. SMITH, PRINTER TO THE UNIVERSITY: 



AND SOLD BY J. & J. DKIGHTON, AND T. STEVENSON, CAMBRIDGE; 

 AND T. CADELL, STRAND, LONDON. 



M.DCCC. XXXII 



