PHILOSOPHICAL SOCIETY 1 



— OF— 



OF THE 



CAMBRIDGE PHILOSOPHICAL 



SOCIETY. 



VOL. XL PAET III. 



[Easter Term 1901.] 



(JDambrttige : 

 AT THE UNIVERSITY PRESS, 



AND SOLD BY 



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



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



1901 



Price Two Shillings and Sixpence. 



10 Aug. 1901. 



