UNIVERSITY OF CALIFORNIA LIBEAEY, 

 BERKELEY 



THIS BOOK IS DUE ON THE LAST DATE 

 STAMPED BELOW 



Books not returned on time are subject to a fine of 

 50c per volume after the third day overdue, increasing 

 to $1.00 per volume after the sixth day. Books not in 

 demand may be renewed if application is made before 

 expiration of loan period. 



SEP 21 1921 







20m-ll,'20 



