PROCEEDINGS 
OF THE 
CAMBRIDGE PHILOSOPHICAL 
SOCIETY. 
- A 7 A- " * \ - .... t « - •• * ( ' "t ' -••• 
' • . J ■ ' - . ' ' A • ' ■ 
/ - ■ - • - 
•" ' / . - j • - . "• • ■ . 
VOL. XIV. PART VI. 
[Easter Term 1908.1 
WASHINGTON. 
(ZDamtm&ge : 
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. 
1908 
Price Three Shillings and Sixpence. 
20 November, 1908. 
