BULLETIN 869, U. S. DEPARTMENT OF AGRICULTURE. 



S.s (■ 



4.95± .26 

 5.75± .32 

 8.15± .54 

 5.54± .34 



6.79± .33 

 5.65± .65 

 6.50± .S3 

 3.69± .49 

 7.10± .72 

 5.06± .35 

 5.76± .39 

 9.13±1.45 



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