UNIVERSITY OF CALIFORNIA LIBRARY 

 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, increasin 

 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 18 1920 

 NOV 151920 



JAN 121921 

 SEP 5 '1921 

 25 t 



50m-7,'16 



