
‘o) Z 
eg é 
fe) S a 
5 a a zs 
> ge Fs. OF 
5 < Ss af 
PA = 2 = Q 
2u FB 
5 2a e8 &OD 
etree ek aes 
ee : 
Z - = 
é = 

PURCHASED FOR THE 
UNIVERSITY OF TORONTO LIBRARY 
FROM THE 
CANADA COUNCIL SPECIAL GRANT 
FOR 
HISTORY. OF .SCLENCE 
