14 DAY USE 



RETURN TO DESK FROM WHICH BORROWED ED 



AGRIC'" 'T L'BRARY 



40 Giannini nan - lei. No. 642-4493 



'" 

 This book is due on the last date stamped below, or 



on the date to which renewed. 

 Renewed books are subject to immediate recall. 



nr.T 7 1970 



LD 21-40m-2,'69 

 (J6057slO)476 A-32 



General Library 



University of California 



Berkeley 



