TEANSACTIONS 



CAMBEIDGE 



PHILOSOPHICAL SOCIETY. 



VOLUME X. PART II. 



CAMBRIDGE: 



PKINTED BY 0. J. CLAY, M. A. AT THE UNIVERSITY PRESS ; 



AND SOLD BY 



DEIGHTON, BELL AND CO. AND MACMILLAN AND CO. CAMBRIDGE; 

 BELL AND DAXDY, LONDON. 



M. DCCC. LXIV. 



