7 DAY USE 



RETURN TO 



AGRICULTURE U3RARY 

 40 Giannini Hall - Tel. No. 642-44^> 

 This publication is due on the LAS']? DATE 

 and HOUR stamped beloWi 



-GCP IT 1Q74 



A 



_ 



p Q ft 2001 



ED 



>r 



received in 

 Natural Resources Library 



LD 21-40m-2,'69 

 (J6057slO)476 A-32 



General Library . 

 University of California 

 Berkeley 



