Sad to Ay 
NS 
PROCEEDINGS 
OF THE 
CAMBRIDGE PHILOSOPHICAL 
SOCIETY. 
VOU Vila PARE Y: 
[MicHAELMAS TERM, 1888. | 
Cambridae : 
PRINTED AT THE UNIVERSITY PRESS, 
AND SOLD BY 
DEIGHTON, BELL AND CO. AND MACMILLAN AND CO. CAMBRIDGE. 
G. BELL AND SONS, LONDON. 
1889 
Price Half-a-Crown. 
