14 DAY USE 



RETURN TO DESK FROM WHICH BORROWED 



BIOLOGY LIBRARY 



TEL NO. 642-2531 



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



on the date to which renewed. 

 Renewed books are subject to immediate recall. 



OCT28 1970 



WQV101970 



8 1975, 



LD 21A-15m-2,'69 

 (J6057slO)476 A-32 



General Libran 

 University of Cali' 

 Berkeley 



