14 DAY USE 



RETURN TO DESK FROM WHICH BORROWED 



BIOLOGY LIBRARY 



TEL. NO. 642-2532 



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



on the date to which renewed. 

 Renewed books are subject to immediate recall. 



NQV '* a ffio 



QCT28B 



LD2lA-6m-3,'72 

 (Qll736lO)476-A-32 



General Library 



University of California 



Berkeley 



