RECTIFIED PERUVIAN GUANO. 



325 



Pebutian Guano. 



Rectified Peruvian Guano. 

 (Manufactured by Messrs. Hobson, Hurtado, & Co., New-York City, and collected of Messrs. 



The composition of this article corresponds quite satis- 

 factorily with the guaranteed amount of its constituents. 

 This " Rectified Guano " was offered for sale at sixty-five 

 dollars per ton of two thousand pounds. Its valuation is 

 based on the following rates by the manufacturer : — 



For ammonia > 

 Or nitrogen ) 

 Soluble phosphoric acid 

 Reverted " " 



Insoluble " " 



Potassium oxide 



Cents per pound. 



20 



24-25 



10 



8 



7.5 



n. 



Warranted No. I. Peruvian Guano. 

 (Collected of Messrs. J. & J. A. Bice, Worcester, Mass.) 



Moisture at 100° C. . . . 

 Nitrogen (equal to 10.10 ammonia) 

 Phosphoric acid .... 

 Potassium oxide .... 



Per cent. 



7.82 



8.32 



14.00 



2.40 



in. 



Warranted No. I. Peruvian Guano. 



(Collected of Messrs. Bagg & Batchelder of Springfield, Mass.) 



Per cent. 



Moisture at 100° C. . . .• . . . 20.14 



Nitrogen (equal to 9.8 per cent of ammonia) . 8.06 



Phosphoric acid 18.59 



Potassium oxide 1.70 



Samples No. II. and III. are sold at sixty dollars per ton 

 of twenty-two hundred and forty pounds : they are desig- 



