26 



<s> H 



5 W 



s I 



s> % 



I I 



1 



s 



I 



r^ 



I 



14 







e8 O 



^2 



eight 

 air*dry 

 ample. 



Wei ht 

 of fresh 

 sample, 



-ki 



as 



OCiOOSOOOJMOCCO 



. 





;l il*J 



rH O 



