/^ 



rn 



2153 



PROCEEDINGS 



OF THE 



CAMBRIDGE PHILOSOPHICAL 



, ^h!u^§QCIETY. 



& \ 



C^p It) c* 



VOL. XIII. PAKT Y. 



[Lent Teem 1906.] 



©amfertUge : 



AT THE UNIVERSITY PRESS, 



AND SOLD BY 



DEIGHTON, BELL & CO. AND MACMILLAN & BOWES, CAMBRIDGE. 



CAMBRIDGE UNIVERSITY PRESS WAREHOUSE, 

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



1906 

 Price Two Shillings and Sixpence. 



15 May, 1906. 



