COLUMBIA  UNIVERSITY  LIBRARIES
 

This book is due on the date indicated below, or at the
expiration of a definite period after the date of borrowing, as
provided by the library rules or by special arrangement with
the Librarian in charge.
 

DATE BORROWED
 

DATE DUE
 

DATE BORROWED
 

DATE DUE
 

i'k
 

-jit^a^
 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 

.
 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 


 

C28 (1149} 100M