PROCEEDINGS *$[*} v *; 
SNiW&raflt^'A^r! 
OF THE 
CAMBRIDGE PHILOSOPHICAL 
SOCIETY. 
VOL. XI. PART VI. 
[Easter Term 1902.] 
<£amfmtige : 
AT THE UNIVERSITY PRESS, 
AND SOLD BY 
DEIGHTON, BELL & CO. AND MACMILLAN & BOWES, CAMBRIDGE. 
C. J. CLAY AND SONS, AYE MARIA LANE, LONDON. 
1902 
Price Two Shillings and Sixpence. 
13 August 1902. 
