samples of this brand will be found to contain five, and: t 
ie 
wv. were 
: ie 
fertilizers may be mislead, since it is but natural to suppose se th rats 
when a fertilizer is represented, as containing, for exam] 
from four to six per cent of any constituent, that the aver 
these maximum and minimum amounts guaranteed, , represe 
the inequalities of composition of those raw materials used in 
the manufacture. 
Since obviously the guarantee can be binding only upon 
minimum amount, and aie it appears clear that it is in the por 
purchaser. 
On the other hand, an average of twenty-two sob 
shows an excess of 15.5 per cent of potash over the maxim) 
amount guaranteed; eight analyses show an average of § 
per cent of available phosphoric acid over the maxim 
guarantee; and five analyses show an average excesss of ; 
per cent of ammonia over the maximum amount guaranteed. 
Maximum 
‘ Minimum 
guaranived. guurauteed, 
TPE OEMs) a1) sinlis aer ese bial AU Ae Oe ane : 1.68 2.57 
JOON CCL 6 ERM SPORE e RI OER MT GL 2 Tr PNeae 2.33 3.20 
Available phosphoric acid ............-. 8.49 |, 10.72. 
Insoluble phosphoric acid,......... moses 1.73 2.76 
Potal: phosphoric wed. )./.50 ja Ges Wao wale 10.16 12.47 
SOMA MEN (ORAS Piatt. Sic. 2M as aie neta ol ei 2.23 3.31 
Potassium sulphate ...'.%. 2.6)... nee 4.84 6.68 
