PEOCEEDINGS 



OF THE 



CAMBRIDGE PHILOSOPHICAL 

 SOCIETY 



VOL. XIX. PART I. 



[Michaelmas Term 1916.] 



ODamijrilJgc: 



AT THE UNIVERSITY PRESS 

 AND SOLD BY 

 DEIGHTON, BELL & CO., LIMITED, 

 AND BOWES & BOWES, CAMBEIDGE. 



CAMBBIDGE UNIVEESITY PRESS, 

 C. F. CLAY, MANAGER, FETTER LANE, LONDON, E.G. 



1917 



Price Ttuo Shillings and Sixpence Net 



January 1917. 



