PROCEEDINGS 



OP THE 



CAMBBIDGE PHILOSOPHICAL 

 SOCIETY. 



VOLUME X. 



October 31, 1898— May 21, 1900. 



ODambritige : 



AT THE UNIVERSITY PRESS, 



AND SOLD BY 



DEIGHTON, BELL & CO. AND MACMILLAN & BOWES, CAMBRIDGE. 



C. J. CLAY AND SONS, AVE MARIA LANE, LONDON. 



1900 



