14 DAY USE 



JRN TO DESK FROM WHICH BORROWED 



BIOLOGY LIBRARY 



TEL. NO. 642-2532 



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



on the date to which renewed, 

 enewed books are subject to immediate recall. 



o 4 1969 



AR 2 3 1969 11 





L,D 21A-12m-5,'68 

 (J401slO)476 



General Library 



University of California 



Berkeley 





