riVEESITY 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 

 f c 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 13 1973 



SEP 10 





50m-7,'29 



