CIRCULAR 6 4 3, U. S. DEPARTMENT OF AGRICULTURE 



,£3 



bfi 



3 

 o 

 ra 

 J3 

 O 



a 



Si 



© 



B 



a 



5 



S 



2 



o 



CO 



May 



17 to 



Oct. 



18, 1937 



C\ 





CN 













O0 











s 









CD 



I 















CN — 



o 









CS 01 



So-- ' 



CN 







f^ CN CN 



CO 



co 









"I"l 











"i 



*-< CSTf<-«< 



CD CO CD 



CO . lO J J _ | 



Sis i 



SoS j 



1Q 





— 1 O TO"* 



O —I 







o 



CO 











00 



IC rH 



00 



CN 





CN 



CD 





t^ 



co ! 



i 



co 



CN 



1-1 







c 3 . 



CN 



,>r -" -1 







coco 





— 



00 

 00 

 CN 









CO 



r 





"* 



■ OS 

 ' CN 



a 



o 



O 



3 



^£3 



CN CO -H 



co 







o 



CO 









1-1 









O 

 CN 









1-1 



O 

 CN 





— 



'co 

 i CO 



s-' O -JO 



CN 









cs 

















•* 









g 









■o 



CI 

 CO 





^co jg- 



O 



03 



M 

 5 



a 

 -a 



C3 

 O 



t«J S - 















CN 

























CN" 













CO 





3 



OS 1 



00 I 



T* 1 



CD 



co 



1-1 











o ^ ^ 





CN 













"* 



o 



CO 



8f 









1-1 



CD 





CD -^ CD i 



CN 















CDTf 

























CN CD CN CO 



CD -r-, 



OC" 



~ 



t ~ 





OOt« 

 CN " ! 



















CO 

























00 



o 



CN 



1-1 







CN CN 

 UO 





Z1 lO i 



CD i OS i 

 •O ' CO I 



w 

 O 



c3 



M 



>> 



03 



H 



"S+seo 









































OS 

 CO 

 00 

 CN 









CO 



CN 





K ro — cj 

 CN " 



0QN U O 

 CO 















CO 















CO 









1 













ce 



OS 





O 



CO i 

 CO i 







c3 



M 



c3 



"S 



a 



CN .J CO 













CN 

 CN 



























CO 













CN 

 CN 





rt 



! CN 



1 ° 

 1 ■>#" 





CN 



CO 











OS 



^ 























CN 









CN 



o 



CN ^ 00 

 i © 

 i CN 



c3 -" > co 



CN 

 CN 





CN 





CN 



























C5 

 ft© 









■>? 



DS 



rtOCN !o 



' co 



00 eW 





rt 





CO 



00 

















rt 









o 



CO 









o 



CN 



1 





■^l 



1 lO 



■ 00 



2 c3 c3 t^-" -1 











































1-1 













CO 









i co 



T3 



o 



o 



p, 



_bjj 



> 



1 



> 



1 



'7 



b 



< 

 1 

 > 



I 

 +■ 



C 



■c 



b 



■5 



c 



c 



j 



c 



c 



a 



Ex 



< 

 > 



I 



> 





e 



a 



v 



i 



- 





C 

 a 

 K 



k-i- 

 C 



>> 



1 



b 

 < 

 c^ 



i 

 cc 



c 

 O 



< 



> 



c 



4 



c 



a 



r 



C 



C 



bi 



o 

 O 



bi ^ 



3 c, 



•< o 



c 



c 



f 



55 



- 



~ 5 



bo's 



- s 



<zn 





t 



si 

 



v 



- 



a 

 o 

 O 



03 



a 



be 1 - 



|| 



.9 s 

 "S-~ 



CO 



03 

 .3 



C 

 s 



g 



c 

 ft. 



>! 



6 

 ft 



i 



p 



,1 









c 



E 



| 

 "- 



5 



- 



E3 



=: 

 C 

 | 





c 



«; 

 u 



65 





c 

 - a 



c 



'c 



ft. 



-- 

 o 



- 



S 



; 



c 



E 



c 

 ft) 



- 



c 



c 



S 



ft 



a: 



C 

 c 



c 



1 



c 



K 



C 



B 

 o 



a 



S C 



o fcq 



I \ 



c 



El 



E 



X 



fts 

 6S 

 ■« 



Q 1- 



-> _cr 



