The Bulletin. 



33 



TON ; EFFECT OF VARYING QUANTITIES OF PHOSPHORIC ACID. 

 IN 1903. 1904, 1906 AND 1909. 



IN 1905 AND 1907. 



142 



152 



(62+142) 



102 



170.0 



867.5 



305.6 



1002.5 



1077.5 



697.5 



696.9 



857.5 



31.39 



31.36 



38.59 



3.51 



4.21 



5.61 



27.88 



27.15 



32.98 



2 



