PROCEEDINGS 
OF THE 
CAMBRIDGE PHILOSOPHICAL 
SOCIETY. 
VOL. XIV. PART III 
[Easter Term 1907.] 
©amfertfcge : 
AT THE UNIVERSITY PRESS, 
AND SOLD BY 
DEIGHTON, BELL & CO. AND BOWES & BOWES, CAMBRIDGE.. 
CAMBRIDGE UNIVERSITY PRESS WAREHOUSE, 
C. F. CLAY, MANAGER, FETTER LANE, LONDON, E.C. 
1907 
Trice Three Shillings and Sixpence. 
15 October, 1907. 
